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The New Arid Region of the United States

The southwest and states east of the Sierras magnify the effects of global warming in the intensity of their aridity. But global warming reveals a new relation of regions to overheating, and reveals the depths of inflexibility to accommodate water scarcity, as well as the tragedy of its effects. As aridity of the soil and reduction of groundwater reaches unprecedented scales, our passivity is accentuated as we are suspended before maps that try to visualize unprecedented aridity magnified by global warming and its magnifying effects. For the cascading effects of warming on the land and environment might be mapped in ways that cannot essentialize the greater “aridity” of the region, but the effects of increased aridity of soil, air moisture, and dry air on a region that we have remade into a region of food supplies, agriculture, and livestock, but, beyond, on hydropower. Even as Californians and westerners face the threat of further fires more destructive than any in recorded history–potentially enough to energize an implausible recall effort in the state of California–we face the problems of managing not only historic drought, mandated energy shortages, reduced water supplies. The climate crisis appears to have provoked a deep crisis in leadership, but one without easy means of resolution. The most improbable political candidates–global warming skeptics after Donald Trump’s heart–have argued drought, wildfire, and electrical storms reveal Gavin Newsom’s lack of leadership, even as they stridently object to aggressive climate legislation aimed at emissions reduction as restraining the free market business, preferring a free market approach for all climes.

Yet the arid region has expanded, returning bigger and better than ever since it was described as extending west from the hundredth meridian by John Wesley Powell, in one of the foundational maps of climate aridity. In much of today’s parched ground of California, featuring dangerously low levels of rainfall across the central valley, we have yet to come to terms with the expanse of he “lands of the ‘Arid Region.'” The New Arid Region, afflicted by far more aridity and low soil moisture than at any time, parallel to increased global suffering of warming and increased heat, the persistence of private water “rights” to agrarian expanse stand increasingly on a collision course with global warming throughout the new arid West in ways we have yet to address, even as we recognize that we are facing a climate emergency of the sort without precedent in modern memory.

No single visualization can, perhaps, adequately come to terms with the unprecedented aridity of the recent years. For no visualization can fully capture the cascading and magnified effects of declining water and soil health, and their effects on ecosystems, as much as on livestock or irrigated crops: the distance from reduced irrigation and new climate specters demands an intensified map. But the terrifying nature of the intense aridity of western states in part lies in how we have seem to forgot the semi-arid nature of the region. The deeper effects of a drying out atmosphere were evident in the huge deficit in water vapor in the past decade during the “fire season” from August to September, dramatically unlike how fire fighters navigated the same terrain in previous decades, when many fire containment strategies were developed and many active firefighters had trained. The map is one that should raise immediate fears of the loss of a landscape of future irrigation, and the need for tightening agricultural belts and shifting our conceptions of food supply and water budgets–as well as the same landscape’s increased combustability and inability to manage or control by an old playbook.

Decreased Water Vapor Present in the Air in Past Decade from Two to Three Decades Previous

The previous month has brought an even more pronounced record of drought across the Upper Basin of the Colorado on which so much hydropower relies, as do other schemes of water diversion.

US Drought Monitor for Colorado River Basin, September 23 2021/Brad Rippey, USDA

The revelation of a new intensity of exceptional drought in many pockets of the Upper Basin of the Colorado River presses the bounds of how we imagine dryness, aridity, and their consequences, even as we rely on older methods of fire-fighting, and fire-prevention, and outdated models of water diversion and energy resources. The historical denial of what John Wesley Powell had already called the “Arid Region” west of the hundredth meridian, has become a snare for ecological disaster translating into a process of the drying out of long-irrigated zones, with consequences that the nation has not been able to comprehend–and demand a New Deal of their own to replace the diversion of water and generation of energy in the Hoover Dam. Or have we forgotten the intensity of a differential of climate, soil moisture, and increased aridity that Powell long ago mapped in order to illustrate the new regime of government its unique atmospheric conditions it would require, using his uniquely designed palette to hint at the best way to organize the region of water scarcity according to the units that its drainage districts–rather than the state lines surveyed by latitude and longitude?

John Wesley Powell, “Arid Region of the United States, Showing Drainage Districts”

Powell had explored the canyons, rivers, and plains, as he addressed the Senate Select Committee on the Reclamation of Arid Lands in 1890, he crafted an eloquent seven-color map of rich earth-tones to impress readers with the sensitivity of the region’s texture and urge restraint for expanding the westward flow of homesteaders with hopes to make the desert bloom. Indeed, by circumscribing areas for which sufficient water in this “Arid Region” would be able to providently allow future settlement, Powell neatly divided areas for settlement in a region by hydrographic basins collecting sufficient rainfall for farming. Whereas rainfall maps of previous years mapped a blank spot of water scarcity, Powell hoped to direct attention by a devising a map of the region’s subdivisions that called attention to its soil quality and decreased moisture, focussing on its distinctly variegated terrain in ways foreign to Senators in Washington. Powell hoped to convince who were removed from the region to acknowledge the commanding constraints created by these drainage districts for all future agricultural development and settlement–an unpopular position that ran against the notion of allocating free land in an age of expansive homesteading. If the image of a “drainage district” was foreign to existing state lines, Powell’s image of an “arid region” long haunted the geography of the American West–and contributed in no small part to the subsequent reengineering of the waters of the Colorado River.

In light of the dramatically increased aridity now endemic to the western states, Powell’s map gains terrifying relevance as western states enter severe drought, placing the breaks on once-expanding developments across western states. Powell’s map articulated a historical vision of the limited infrastructure of water in the American west. While the technologies of irrigation that allowed such a massive project of damming and canalization only later developed, did his map inspire the need for a project of such scale as a better model of land management? The intensified aridity that afflicts the western states responds not only to low levels of rainfall. We continue to hope groundwater depletion that afflicts the lower basin won’t extend to the Upper Basin of the Colorado River that has captured water on which so many farmers rely–and thirty-five million north of the border and three million living in Mexico depend, across its Lower Basin. The escalating megadrought has created pressures across the overpopulated west that the water-sharing model Powell proposed for drainage districts cannot resolve, but the distinct forms of water management he advocated have been forgotten, as the declining water level on the Colorado River seems a time bomb as its waters have fallen so far below capacity that while the waters that drain from the Upper Colorado into Lake Meade, the largest reservoir in the west, have left it only 37% full, and Lake Powell stands at 34% of its total capacity. As less and less water enters the river system of a drying-out west, the future of the river on which so many rely for irrigation and energy is all but uncertain.

The water-level of Lake Mead, the largest reservoir in the US and a critical source of water for millions across the Southwest, has fallen 140 feet since 2000, a third of capacity.  Can we come to terms with the increased aridity across the west that the drying out of the Colorado River may bring?   The western states are haunted by the return of the "Arid Region" John Wesley Powell once mapped.
Lake Meade, May 2021

Demand for water in the upper basin and older technologies have meant far less water reaches the lower basin, but what does has been redistributed across western states–absolutely none reaches the ocean at the river’s old delta. Supplies of surface water and groundwater barely provide for the border region, as the overdraft of the basin’s aquifers have made trans-border water management a crisis often overlooked in favor of water management north of the border. As unprecedented soil aridity currently seems to run off the rails, after three summers of no rainfall have depleted soil moisture, may remind us how we have missed the lesson of Powell’s map of instilling new set attitudes toward the land.

Does selective amnesia underlie how we map the drying out of the west? Most data vis of rising temperatures and low rainfall across the western states is already magnifying and escalating the effects of unprecedented heat over twenty years in a deeply melancholic vein, daunted by the scale of dryness across such an interstate expanse, and passive before an absence of atmospheric moisture that seems a modern casualty of global over-heating. If we were already “living in the future” in California’s frequent and increasingly extreme fire regimes, the multi-hued data visualizations electrify the landscape–and not with power or hydro-energy, but by the all-too familiar color ramp of the extremes of climate change we have been trying hard not to normalize. These images chart a landscape that has gotten away from us, outside seasonality changes, making the American West a cautionary case study for global climate change inspires melancholy.

The additive logic and graphic syntax of maps, long before the separate map-“layers” that accommodate information from GPS, provided a basis to define the fungibility of water and the emergence of “rights” to water across the Arid Region, enabling the idea of governing the transference of water and water “rights” across the region, that separated water from the landscape and environment. The flow of water had long been understood and reconstrued in the west by a logic of irrigation needs–and the “rights” to unpolluted water for livestock raising, pasturage, and agricultural needs of land owners–that was removed from conserving groundwater needs. The increased nature of the fungibility of water as able to be transacted across basins, state lines, and counties reflects the legal fiction of considering water as a “good” tied to the needs of property owners, that, long before global warming, had already sanctioned the removing water from the ground.

If we use metaphors rooted in temporality that try to come to scale with the new era of global warming that cut down and perhaps minimize the era of water scarcity. in which we are entering–“heat waves,” for example, that broke records in states from Washington to Idaho in June and July, breaking or matching records of hot temperatures, the levels of aridity that have allowed the ground to grow arid and degrade have not only led to a spate of western wildfires, but have changed the levels of soil moisture over the long term in ways we have difficulty to map in the scale of our weather maps, or even the maps of the U.S. Drought Monitor, as the cascading influence of such unprecedentedly dry conditions–where stresses on river water create extraction of groundwater that stresses aquifers and groundwater supplies–can be scarcely imagined, or confined to the conventions and color ramps of weather maps.

We have struggled for decades to process the cascading effects of waves of unprecedented heat that over time have produced a drying out of soil and reservoirs over the past twenty years, resulting in an expanded and far more destructive fire season and parched lands whose effects we cannot fully come to terms or comprehend, as we have not seen or experienced the extent of dryness of subsoil, soil, and low rainfall which the US Drought Monitor seems to have mapped, as drought expanded not across the entire Pacific Northwest, from Oregon to Idaho, or 86% of Idaho–by the land’s combustibility, impossible to read without premonitions of lost forests–including old growth forests–melancholic fears more than tinged by an acute sense of a lack of agency.

The sense of struggle with an absence of agency–at the same time as an almost moral urgency–reflects the difficult to process such absence of water as a landscape we have inherited from the rapidly accelerating dynamics of climate change. The history of the increased aridity is all the more poignant as a source of melancholy not only because exceptional drought was the standard before President Trump, and a national emergency before his Presidency. We have failed to register this national emergency with the same immediacy, even as the theater of the border was magnified in disproportionate ways in public discourse on migration. The sense of melancholy is compounded as the map seems haunted, if only tacitly, and perhaps without acknowledgment, by the fact that the head of the USGS in 1890 admonishingly illustrated virtually the same basins now suffering severe and moderate drought as distinguished by semi-aridity–if the current levels are nothing like those faced over a century ago, when the transition of public to private lands. We have recently mapped the substantial threat of increased aridity to the Great Plains–less than a tenth of whose croplands are irrigated–where farmers depend entirely on rainfall to grow soybeans, sunflowers, cotton, and winter wheat, the fear of greater “dry spells” as anthropogenic emissions drive decreasing rainfall and groundwater reserves–a term that tries to convince us they are not permanent–led red flags to be drawn in broad brushstrokes in those states, where extreme and exceptional ‘drought’ .

But climate change has created a new concept of “water stress”–stresses best be pictured not by the isotherms of weather maps, but the watersheds and drainage districts that were the basis of Powell’s revolutionary map, and matching the very region of the Arid Zone where the soil scientist Powell turned viewers’ attention to the crucial index of ground and soil moisture, the true determinant of the future of agrarian settlement and the future of food. The regions determined of greatest future stress were the very basins that Powell mapped, and suggest the relevance of his map, as well as his caution of the difficulties of governance in an area of severe water stress-stress being understood and indexed as a relation between supply and demand, as well as rainfall, in national watersheds.

The “Arid Region” of the Untied States had been austerely and admonishingly described by John Wesley Powell as a geologist to caution against the administration of its future settlement with a level of clarity that reveals his Methodist upbringing. It is hard to know how clearly we can ever parse aridity, in an age when rising temperatures have unremittingly drained soil of water. As if informed by a deep respect for the map as a clarity of record, possessing the power to reorient readers to the world by preaching a new relation to the land, Powell had placed a premium on cartographic form as a tool to re-envision local governance–and prepared his striking eight-color map of the limited rainwater that arrives west of the hundredth meridian, the eastern border of what he baptized as the Arid Region, an almost zonal construction akin to a torrid zone.

The imposing title of this reclassification of the interior of the United States revealed Powell’s own keen sense of the map as a visual record of the territory, whose transparency as a record of the quality of the land would be a basis for all discussion of settlement. Powell parlayed his own deep study of the geography of the Colorado Basin to query the value of parsing the administration of water rights by state lines in 1890, convinced of the need to oversee later apportionment outside the jurisdiction of the arbitrary boundaries of western states, but joined them to his sense of duty of preparing a legible map of striking colors to convey the constraints and difficulties for its future settlement– not only by the scarcity of the threads of rivers curled against its topography, but the few watersheds.

Powell trusted the map might mark the opening of the “Great American Desert” in order to alert the US Congress that the dry lands west of the hundredth meridian was a divide. Even if the meridian no longer marking as clear a divide of reduced rainfall, as we confront the growth with unprecedented degree of global warming of a parched west–both in terms of reduced rainfall and declining soil quality–it may serve as a model for the map we need for the future governance and administration of already contested water rights. Powell’s place in the long story of soil quality reflects how neatly the American west as a microcosm of global warming is rooted in the conversion of public lands to private ownership, into which warming has thrown such a significant wrench.

Arid Region of the United States, Showing Drainage Basins (1890)

For the Arid Region’s aridity has since been unremittingly magnified, producing a region more arid than we have ever experienced and struggle to find an adequate color ramp adequate. But we would do well to try to map the forgetfulness of that arid region, even as we confront the quandary of the stubborn continuity of sustained dryness of a megadrought enduring multiple years, compounding the aridity of the soil, and multiplying fire dangers–and the conditions of combustibility of the region–far beyond what the west has ever known or Powell imagined possible. If aridity of soils and poor land quality has spiraled out of control due to “global warming,” raising questions about the future of farms and livestock, the absence of groundwater and surface water alike, global warming demand we shift from national lenses of water shortage to beyond American territory,–but also to discuss the warping nature of national lenses on the remaking of the sediment of the west–and Colorado Basin.

The difficulties of parsing river-flow by “states” as helpful political aggregations for future settlement was rebutted by the map, which sought to direct attention to the aridity of the ground’s soils to orient its administration in a region where water was destined to remain front and center on settlers’ and residents minds for the foreseeable future. The subsequent attempt to jerry-rig the question of scarcity of water by entitlements that rely on re-apportioning unused water escaped the constraints Powell located in the basic common denominator of groundwater.

As much as the region needs to be mapped outside a national context–despite the national nature of climate tracking–the hope of revealing imbalances of the drought indeed exist across borders, and impact water-sharing agreements, much as the smoke from recent northwest fires has traveled across the Pacific northwest. National territory is as meaningless an analytic category for global warming, or water scarcity, which, this blogpost argues, exists in a global contest of migration, as the migration or transborder transit of fires’ smoke.

The conditions of aridity that Powell described in the Colorado Basin and its neighbors offer an oddly productive image of the dryness of the ground, in an era before irrigation, that may be useful for how we can come to terms with the fear of a suspension of irrigation across western states. But it is as if the very definition of aridity was forgotten, as infrastructures of irrigation have re-mapped the region that John Wesley Powell in 1890 mapped as an area of difficult agrarian settlement, as farmlands of agrarian fertility and wealth. Powell proposed to view the “arid region” of the United States east of the Rockies with a clarity approaching scripture in a powerful eight-color map to instructively show how limited water constrained settlement of the region after surveying the Colorado Basin.

Powell probably imagined his map in somewhat revisionary as much as rebarbative, reorienting attention to the dry nature of the soil of the semi-arid region of the Colorado Basin by parsing it in areas by which the availability of water constrainted the settlement of the “open” government lands of the west, obscuring that they were seized from indigenous, to correct the mythic geography propounded by official state-sponsored geologists. Unlike Powell, most state geologists had boosterishly endorsed a site for future pasturage, to be enriched by unknown artesian springs, and ripe for settlement by homesteaders, and Powell’s map posed a more tempered image of resettlement that would obey the laws of the availability of water in the Colorado plateaux and other regions he knew so well, cautioning against the encouragement of settlement and sale to prospective farmers in ways that have improbably made the map something of an icon of conservationist thought. Against promise of prospective bucolic lands of pasture, the dry colors chasten viewers by communicating scarcity of water of drainage basins.

The arid region that Powell correctively propounded was long inscribed in the psycho-geography of the United States to be forgotten, but the arrival of irrigation infrastructure allowing irrigation of western states continues to inform, even in our own era of global warming, the return of the boosterist sloganwhere water flows, food grows,” that is still raised in Northern California’s San Joaquin Valley, to protest “cuts to farmwater” in the recent order of an “emergency curtailment” across rivers of the Sacramento-San Joaquin Delta watershed — essentially the entire Central Valley. The recourse to an engineering “miracle” of making water flow uphill and redistributing more water from reservoirs contest calls for conservation–and only demand the further construction of dams, reservoirs, and water storage for better irrigation. The very promises that the flow of the Colorado River would irrigate lands, that made good on the promises made to homesteaders by describing the region to settlers as a New Canaan, where the growth of future streamflow and even rainfall that had never been documented, would make it suitable for the expansion of animal pasturing and farming, suggests a mythic geography of timeless bounty has replaced its actual conditions.

Friant-Kern Canal Flowing past Kern Dam/Septmeber 2020, Eric Paul Zamora, Fresno Bee

The mythic geography led to a rewriting of America’s irrigation infrastructure that in itself may be one of those pieces of infrastructure just no longer adaptable to extreme climate change. And as we face the scale of the national emergency of water shortages about to be triggered by falling reservoir levels, the crisis of using and recycling water, and the inefficiency of desalination plants of riverwater and groundwater, on which the world currently relies–and were predicted by the US Bureau of Reclamation back in 2003 to provide a “sustainable” solution to the dwindling water provided by the Colorado River, which had allowed the unexpected expansion of the settlement of western states. While desalination plants currently generate worldwide over 3.5 billion gallons daily, with 50 million gallons produced daily in Carlsbad, CA alone, desalination plants in one hundred and twenty counties, only half using sea-water, its energy expense justified as Colorado River decreased, promoted as a “sustainable and drought-proof water supply in Southern California” in an era of climate change, as if to calm our concerns at the dramatically decreased groundwater of western states.

Reclamation scientists assured the nation in 2016 of future recharge in the Upper Colorado Basin would offset temperature increases in their modeling scenarios through 2099, projecting basin-wide precipitation, the fears of the persistence of a mega-drought of extreme aridity with little recharge that may last decades has left fifty-sevens million living in drought conditions across the west according to the U.S. Drought Monitor, that has brought a new era of mega-fires. The thin blue line of the Colorado River is but a crack or thread coursing through a combustible landscape in this recent map of the expansion of unprecedented extreme drought in western states from National Geographic:

For all the disturbing and disquieting elegant if terrifying spread of deep red isotherms in Riley D. Champine’s map, the consequences of such exceptionally below-average levels of precipitation and aridity are difficult to comprehend as cumulative and deep in our nation’s history, as well as the effect of man-made climate change.

The utter saturation of this data vis of growing dryness of a region where rain far below previous norms fell forces the viewer to process an undue range of measures of aridity that they must struggle to process-if the deep orange and reds approaching emergency warning to suggest that surely a climate emergency is at hand. The absence of text in the visualization invites viewers to acknowledge they stand an eery remove of familiarity with an irrevocably landscape, posing unspoken if also unanswered questions about hydrological infrastructure in the Colorado basin, and greater west, that all but erases the geopolitical formation of this landscape–interruption of a rich color ramp at the southwestern border compartmentalize the large-scale decline in precipitation apart from national categories; but the danger lies in its focus on the economically developed north, more than the global south, as if it lacked adequate resources to prudently respond to groundwater shortages, but as an emergency for the developed world. The focus of the climate emergency is on a large scale, daunting the possibility of individual response, but focussing on prudence at a local level, even if its scale is not defined, questions whether state politics can even resolve the intensity of the dilemma of declining rainfall levels below a thirty-year norm, a deviation on so broad a scale to be impossible to process save in local terms, but that omits the way the basin has been engineered as a site where goundwater now all but fails to accumulate, increasing the basin’s deep aridity more than the color ramp reveals.

The trust that Powell placed in his maps stand in sharp contrast to the “purple” coloration of regions of extreme heat introduced across western states to suggest so many “red-flag” warnings of excessive heat. In a year already tied with 2017 for receiving “excessive heat” warnings from the National Weather Service, already in early summer at a rate that is increasingly alarming, purple designates the need for caution when leaving air-conditioned environments, and suggests the booming of electric cooling across the west: the metric of a prediction of temperatures reaching 105°F for a two-hour stretch has paralleled the debate in Washington on infrastructure spending that suggest a similar disconnect that Powell confronted when he tried to describe the need for constraints on planning settlement west of the hundredth meridian in 1890.

Four Excessive Heat Warnings issued from late May 2021 have introduced yet a new color to prominence in National Weather Service maps, the new deep purple was introduced in weather maps in 1997 as a venture of the NWS into health alerts; rarely used in other weather maps, which in recent years have shifted from urban areas to large stretches of the nation, shifting from a use of red to designate high temperatures to purple to designate risk of triple-digit temperatures, especially in man-made surfaces like asphalt (able to rise to 170°-180° Fahrenheit–territory of third-degree burns–or cars which can rise thirty degrees above air temperature.

Heat Advisories, July 11, 2021/National Weather Service

During the decade before 2003, the water-level of Lake Mead had begun to decline precipitously, inaugurating a historical decline that led it to fall to but 35% of its storage abilities. While the decline was not more precipitous than the two earlier declines in its water-levels in the reservoir from the mid-1950’s and mid-1960’s, the current decline in storage capacity of what is the largest reservoir of water in the United States has raised the unthinkable and unimaginable arrival of water cutbacks, as Arizona’s share of the Colorado River’s waters will be reduced by 7%, and Mexico–where the Colorado runs–will lose 5% of its share, in a scenario never foreseen in the dam’s history, but that reflects the increased aridity of the watershed from which the Colorado River draws. The decline to 1,075 feet in the reservoir’s depth that triggered the Tier 1 reductions in flow may only be a harbinger of the arrival of future Tier 2 reductions, should Lake Mead drop to 1,065 feet, as is expected in 2023, and raises the fear of a Tear 3 reduction, should the lake level fall below 1,025 feet, reducing the water allocated to western cities. In ways that the infrastructure of irrigating the Arid District of the United States could never have foreseen, the arrival of the driest period that the basin has ever experienced in 1200 years has brought longer periods of drier weather without rainfall that have reduced the riverwater that fills the reservoir.

The declining level of Lake Mead plunged below average lake elevation of 1173 feet, by 2003, in ways that should have sent alarms across the west, were we not consumed by a war against terror. The Bush administration’s attacks on global warming grew, questioning the science of global warming and the dangers of increasing aridity. But the disconnect between the expectation for irrigation by the farming industry and farming states was dismissed, with global warming and climate change, as temporary shifts that wouldn’t alter the landscape of irrigation or river flow.

Robert Simmon, based on data provided by the U.S. Bureau of Reclamation

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Filed under border studies, climate change, data visualization, Global Warming, Mapping Ground Water

Green Urbanism? Blue Urbanism?

Since maps invite their viewers to enter an image of the natural world, as well as to relate places to the broader geographic context in which it lies, they offer increasingly useful perspectives to relate the ocean to the land.  The perspective they offer on all regions has long been rooted on the land,  however.  And the coasts–and indeed the dangers–for adhering to such a “landlubberly perspective” on our rising oceans are increasingly apparent.  A perspective that privileges mapping inhabited lands –and orienting viewers to a set notion of place–places us at a particularly disastrous disadvantage when assessing questions of climate change, or reacting to the increasingly lethal storms, tsunami, and typhoons encountered as the inevitable consequences of climate change, and that coastal cities–from New Orleans to New York to the devastated Philippine coastal cities of Tacloban, Ormac or Baybay–seem condemned to repeat.

In continuing to rely on maps whose perspective denies that of the future expansion of oceanic seas, we threaten to lose perspective on our changing relation to the sea.  We have long found threats of the invasion of ocean waters difficult to integrate in an inherited image of the city as a bounded entity, and continue to draw clear lines around the cities in which we dwell:  our maps draw clear lines between land and water.  Perhaps this is because waters seem so difficult to circumscribe or bound, and the fluid relation between land and water difficult to render accurately or draw.  When an influential movement of urban architecture and planning calls for a greater integration of the natural world–so often bound outside of cities or city walls–within urban entities, they retain the notion of the bounded city.  Recuperating the term the entomologist and biologist E.O. Wilson coined, “biophilia,” to express the “innately emotional affiliation of human beings to other living organisms” in human nature that demanded attention, they argue that cities need to promote contact with nature, since, Wilson argued, such contact provides a spur to creativity, productivity, and well-being.  The planning of “biophilic cities” is dedicated as a movement of urban design to “contain abundant nature” in their structure.  The championing of “model cities”–such as Perth or Singapore–are promoted as examples of the “biophilic” age of urban architecture.

Yet are these models (often located in semi-tropical climates) not limit cases where we can most easily integrate oceanic waters into a built environment?  For by isolating the city as a unit in which to restore nature, there seems more than a bit of bio-fetishism in singling out new spaces where blue waters can enter an urban environment:  the optimism of its evangelical tenor as a movement of urban planners, dedicated to reframing the reintegration of cities with the watery surroundings has gained a broad charge and dedicated following, including partner cities that border on water such as San Francisco, Portland, Milwaukee, Vitoria Gastiez (Spain), Birmingham (England), and Wellington (New Zealand).  While the benefits of such urban architecture appear considerable, the challenges for expanding the role of the ocean in the horizons of city-dwellers seem only the start of restoring the historical isolation of the city from watery life, or integrating the oceans within our future urban planning.

The movement of blue urbanism is an illustration of courageous dedication to a project of reintegrating aquatic and urban environments–at least, presumably, before the shores of cities will be redrawn by ocean waters.  The considerable cognitive benefits claimed for these more enriched urban networks build on movements for integrating networks of urban “green-spaces”–including not only parks but green-belts and even forests is a reasoned reaction to urban sprawl and overbuilding and way to take charge of the built environments we create.  “Blue urbanism” would comprehend a watery frontier, offering opportunities for immersing children in rivers, urban parks, watery excursions, and underwater ambients which surround cities.   Blue urbanists espouses an improved integration among the fauna and flora lying near aand around cities within something like a green belt–and espouse the value of an analogous “blue belt” as a way to foster a new attachment to the waters and their shores, rather than seeing them as limits of built city.

Yet does emphasis on the human benefits of such contact carry a all too narrowly restricted notion of what a watery surrounding might be?  The watery oceanic borders of cities are in themselves rarely mapped, though the shifting waters of the Gulf Stream and other currents determine the shoreline inhabitants of North America, but might a map provide a fuller perspective on the interchanges and ecosystems lost by drawing firm barriers between urban and ocean life?

1.  The “blue urbanism” that Timothy Beatley advocates wields the rhetoric and best practices of green architecture’s “integrated network of urban space” to invite us to re-imagine cities’ relation to the shores on which they border.  Yet there is concern that such projects of rebuilding turn away from the depth of our historical remove from the waters that surround our cities–an increasingly pragmatic concern after the very fragility of this divide has been so traumatically revealed in recent decades, from damages inflicted on US cities by Hurricanes Katrina and Sandy or, afield, the Indian Ocean Tsunami and super-typhoon Haiyan.  The ecology of biophilic design, for all its benefits, could benefit from a broader global ecology, basing itself less on the benefits of human friendship with the biosphere, and being more oriented to global contexts of the cost of climactic shifts by looking back to the geography of the past–lest the affections of biophilia border on the bio-fetishism of the philistine.  The precepts of adaptation and resilience to mitigate bad policy decisions are of intense importance; historic maps offer base-lines to qualify the alienation of cities from their shores that compliment the need to build green and blue belts.  The maps we have drawn about urban areas may provide a basis to recuperate the integration of life along the shorelines we have lost, in short, and the nature and settlement of life along the city’s shore–as well as the ways that oceans serve less as a barrier to than interface with the shore.

While we map the trespass of waves over the finely drawn boundary lines of territories, measuring incursions across demarcated shorelines and property lines, and mourning the scope of damages and loss, we seem to remediate via maps–much as how OSM-mappers have begun to chart buildings and routes in the Philippines for delivering humanitarian supplies, as a way of rebuilding, if at first in virtual form–to restore urban infrastructures in digital form.

Mapping Tacloban via OSM

Yet these maps do not comprehend, for lack of a better word, the sea.  The terrible human costs of each of these events serve as something of an intimation of the threats global warming poses to urban environments, and invite rethinking notions of ‘planning’ replacing the imagined stability of  a built frontier of urban society with a more permeable line of inter-relations, even as we come to appreciate how little conscious “planning” went into the drawing of earlier boundary lines.  Both the human and material costs of these events compel an appreciation of the role of the shoreline, as well as intimations of the threats global warming poses to urban environments and indeed the world we have built.

Homes in Samar provinceReuters

Naturalists have recently begun to realize the power of maps to invite reexamination of our relations to place, however–often by using historical maps to excavate the shifting historical relation to the natural world that have led us to draw such finely parsed lines between planned urban environments and their surrounding waters to assess the costs of these sorts of fantasies of spatial distinction:  if we don’t build on the water, we cannot ignore it but at our collective peril.

Map offer a particularly precise if plastic means to situate place that are able to register deeper, less easily visualized, chronological changes and global contexts, or shifts within a regional ecosystem that would be otherwise difficult to conceive.  In age of rising oceans and global warming, maps draw relations between local settings and global changes to help assess the extent to which global warming threatens to obliterate or erode the stability of our concepts of place.  Maps of the circulation of waters around specific cities compel us to rethink an inherited oceanic boundary.

2.   Can a “blue architecture” invite us to re-imagine bifurcated schema of ordering of space to which we have reduced the relation between land and sea to a simply drawn line?  Or have we lost a relation to the land that a new building project cannot recover without clearer lenses to view the relation between water and planned environment, and to be invited to appreciate a clearer register of the relations between coastal cities and the surrounding sea, and, indeed, of the delicate interdependencies that are the basis for our sense of place, and underwrite how we imagine “place” as a category?  A historicized art of mapping stands to call attention to the ecosystem that might lurk beneath the threat of climactic change, and understand the changes they pose to local ecosystems.  The art of mapping provides unique tools to invite viewers to consider local settlements, and develop tools to re-imagine a relation to the sea new building projects alone cannot foster.

Sanderson's Base Map

We can appreciate the huge changes wrought in a relation to the shore by how a cartographical reconstruction of Manhattan island revealed in this stunning 1782 British Headquarters map drawn at the painstaking scale of 6 1/2 inches per mile reveals the island’s coastline as it was experienced by Lenape tribespeople.  Using the watercolor map as the base-map for his digital reconstruction of the local environment, landscape ecologist Eric W. Sanderson of the Wildlife Conservation Society worked over five years to create GIS database, geo-referencing landmarks and sites to reconstruct the forgotten landscape based on 200 control points.

Sanderson’s completed map has a beauty that invites viewers to explore a computer generated landscape’s verdant arboreal landscape and rich wildlife, moving with amazing apparent precision over a web of lost streams, rivers, and hills that agricultural and urban development erased over time–most all of the more than 570 that distinguished the island Lenape members to give the name “Mannahatta,” the ‘island of many hills,’ and to map over 627 varieties of plants in the island, and the 233 types of birds and 24 different mammals who lived in its delicate interstices of interlaced ecosystems, in its swamps, ponds and the estuaries of its shores.

The older shoreline strikingly engages one’s mental map of Manhattan’s shore.   It jar one’s notion of place, and shift the stability of shorelines, streets, and riverine banks within one’s head.  Superimposing data from a Google map visualization of the verdant forests, ponds, streams, and marshes before four centuries of landfill shrunk its coastal geography, the map reveals a huge change in place in a powerfully persuasive graphic form.

Indeed, the superimposition of the shifted maps–the street grid and coastal drives laid above the earlier contours of the island’s expanse– is compelling by the complex cognitive dissonance it creates, placing multi-lane expressways and drives on the expanded edges of the island, so that they run across the marshland estuaries of the Lower East Side or cut into the blue waters around the island, suggesting the actual de-naturing of the landscape even more than the de-naturing of place that all Google Mapping templates seem to afford–and far more eerily reminding us of the extent to which we’ve effectively distanced ourselves from the expanse that the island once occupied as well as the ecosystems that it held.

Welikia 1609 Map of Mannahatta

3.  The remove of the world of this island situated on merging saltwater and freshwater, and with a dynamic verdant ecology is apparent from Markley Boyer’s stupendous digitization, which recreates the island seen by Henry Hudson in 1609, and which, if not a map per se, compels us to both explore its content by mapping them against our own experiences and spatial imaginaries.  The almost palpable landscape invites us to explore its content, as if as it invited Henry Hudson and his men in:

Mannahatta's verdant paradise 1609
These now absent beaches, marshlands, and estuaries in the landscape offer a striking contrast to the current shore.

Mid-Manhattan
The integration of its coasts to the river echo the shorelines that John Randel, Jr. famously mapped in delicate watercolors in a detailed rendering of its many hills between 1818-20, even as the grid of streets was lightly traced and projected above a far less level urban topography, where the city descended in differently manners to the rivers and estuaries on its shorelines, most of which have been erased by time:
Randall Farm Maps

Boyer’s glorious digital reconstruction recreates the shimmering presence island of hills, rivers, and trees that Lenape knew in its speciated glory, mapping the messiness of that shore in ways that inspire a vision of or compelling case for the optimistic dream of restoration of these shores:
Mannahatta:Manhattan from south
4.   Maps offer persuasive forms to re-think cities’ relations to oceanic shores, perhaps more compellingly altering deeply set attitudes than new practices of planning to integrate more fluidly and esthetically water and land.  Although Beatley calls, at http://www.biophiliccities.org, for new attitudes to the surrounding world, and fostering a new culture of lifestyle, curiosity, and an integration of the tactile presence of the seas in “blue urbanism,” we  might better appreciate the nature of the frontier created between city and water not only in the benefits of immersive aquatic environments in cities, but respond to the absence even of registering seas in urban planning by examining how we came to map a disconnect between cities and ocean– and the cultural divide that has emerged between shore and urban space that was elaborated from the mid-nineteenth century, and is now deeply established by zoning, districting, EPA standards and urban planning texts.

In asking to extend our concepts of cities to the oceans that surround them, we might work not only to make new maps, but use old maps to be mindful of the need to extend our sense of place through the refiguration of urban spaces–noting how maps mark and register the depths of the cultural divide between urban and oceanic space, and examining maps to chart the losses of a shifting historical relation between the city and ocean.  Such a remapping of the city’s relation to the land is echoed in the recent interactive mapping project of Stamen Design, Surging Seas, which tracks rising sea-levels caused by storms or flash-floods, mapping sea levels in relation to the inhabited land–and visualizing a nine foot rise in sea-level of nine feet, here in lower Manhattan, based on data from Climate Central.

Stamen-TriState Submerging Seas
And the interactive site allows one to track what changes would happen if the sea-level were to rise it to a ten full ten:

Surging Seas--NYC, 10 Feet

5.  At a recent discussion in San Francisco’s Exploratorium about relations between land and sea promoting such a “Blue Urbanism,” the relations between place and global change rightfully gained considerable attention.   Most presentations focussed on specific examples of cities, but the problem was pressingly (and depressingly) relevant given the recent typhoon.  Occurring in a room exhibiting such splendid shifting nine-panel global color video projections, courtesy NASA’s LandSat satellite photographs or the Goddard Flight Center, of Global Precipitation Levels, Sea Surface Currents and Temperatures, Ocean Currents, or, below, Global Aerosols, they seemed to provide a unique context for rethinking the presence of the local in relation to the sea.  For only in rethinking built relations between land and sea, and the compartmentalization that led to the diffusion of aerosols, the shifting of water temperatures, and  changes in the level and salinity of oceans over the past one hundred years, can we measure the human footprints already left on environment.

Global Aerosols Exploratorium

One such remapping of such relations and attitudes might begin from maps, it began to appear–and from the inspiration maps might provide to remap relation around San Francisco, not only by seeing how space was filled by the city–or the urban conquest of space–but rather how the negotiation of the boundary with the sea was based on spatial practices of such longstanding nature, entailing and perhaps rooted in the representational practices of defining space as an area of settlement and urban planning–and a practice of planning that sees space as filled up by housing projects that cut off the marine space of the sea.

The projected maps on plasma screens raised questions of how to rethink the sedimentation of such deeply set cultural practices, if only by providing a context for the dramatic remapping of urban environments at a remove from the ocean’s ebb and flow–or relate place to a far broader context of environmental change.   When Rebecca Solnit recently offered a haunting analogy between global warming to the processes of gentrification that threaten the fabrics of urban neighborhoods–both occurring with blinders to the overall structure and coherence ecosystems, whether the social ecosystem of urban space or global ecologies, and of removing oneself from our role in creating a scenario of global warming or urban change.

6.  The history of spatiality and of spatial practices that define the city may suffer, one soon realized, from the separation of such “spatial practices” from an appreciation of urban environments.  The circumscription of the spatial is partly inherited from the conceptually pioneering–if idealizing– strain of thought in the work of the French sociologist Henri Lefebvre, whose notion of in The Production of Space was rooted in an Aristotelian or Kantian categorization of space as a human creation.  For when Lefebvre distinguished forms of apprehension among social practices, representations of space, and symbolic models of spatial representation, he refined how Aristotle cast position as a category of human apprehension and Kant affirmed space as an attribute of human judgement–rather than an ecological space of multiple species’ interaction, or indeed of biological overlap.  Instead of commodifying space from a human point of view, we fail to register either local specificity or the density of coexistence around place:  maps can return attention to all too often forgotten margins of settlements, and effectively reconstitute place in a greater environment.  A similarly broad sense of the sea-shore as a “primeval meeting place of the elements of earth and water, a place of compromise and conflict and eternal change,” as much as opposition, was suggested by Rachel Carson, who suggested the basis for understanding the shorelines by “the long rhythms of earth and sea that sculptured its land forms and produced the rock and sand of which it is composed”–and the biological communities specific to each.  She chose a map of the Gulf Stream as a sort of emblem for the situated knowledge of the shore, using a version of the 1769 chart of Benjamin Franklin based on the working knowledge of a Nantucket sailor, Timothy Folger, that is the end-paper for her 1950 The Sea Around Us; Carson praised the map for transmitting understanding of ocean currents–and for the first time locating the course of the equatorial Gulf Stream, or “Gulph Stream,” on a map, in ways that embodied a tacit familiarity with the flow that many sailors well knew, but which Franklin, as Postmaster General, was frustrated to find absent from any chart.

seaarndusop2
The recovery of the rare original Franklin-Folger map showed a pointedly less centrally defined Gulf Stream than the composite map reprinted above, but illuminated a new need for mapping oceanic expanse–in this case, for the postmaster general to elucidate the greater time needed to traverse the Atlantic from England, which world maps or charts had long excluded, in failing–or, more accurately, not knowing how–to map the seas.

Franklin- Map

7.  The question then becomes how to adequately map the seas, as much as urban space.  The ability to register and communicate familiarity with place–and with a watery space–is particularly lacking in most urban maps.  The absence is a considerable difficulty for adequately registering knowledge of the sea on its own terms, or the shoreline and its inhabitants.

Or can we use maps to register a shifting knowledge of the ocean’s shore?  One charge for spatial history would be to excavate the construction of space in different environmental contexts.  If it is to extend beyond the recapitulation of space as a human construction, “space” might be more adequately placed in a global–and less of a human–context by recognizing and affirming space as an ecological category.  One place to start would include the negotiation of deeply set cultural categories of division and differentiation that are framed in maps, taking the map as a human artifact–rather than a representation or a practice, a model of interaction that conditioned and provides evidence of lived experienced.  For the tendency to idealize space at an Apollonian remove–an image perpetuated, to be sure, in maps which subject the cognition of space to human understanding–abstracts space as a category of apprehension, rather than registering the density of interaction through a suitably “thick mapping” across boundaries, borders, and regional change that recuperate buffer zones, watersheds, and shorelines we have lost–in ways the art of mapping is uniquely suited to portray.

The challenge of recuperating the network of estuaries and streams that once surrounded the low-lying areas around the San Francisco Bay, for example, might negotiate with how we constitute the terrain for urban life by drawing a clear divide from the surrounding waters–or the perpetuation of the fantasy of drawing a clearly demarcated line dividing water and land.  Rising seas once flooded a river valley to create San Francisco Bay, whose many inhabitants  long existed in relation to a less clearly defined shore.  Maps can reveal how humans have interacted with the Bay over time that created deep mental barriers to interaction.   One can trace the shoreline moving in hundreds of feet inland, and slowing in past centuries to but a millimeter a year, or a city block over the last century, as a  shape-shifting feature with which bay residents have negotiated in different ways since a time when people lived near the bay, and negotiated with its salty marshlands, as a map of native American Shell Heaps that ring the bay eloquently reveals by noting the clear buffer zones that inhabitants created on beaches to meet rising tides.

BayShellmounds 001

The maps registers crucial details of the negotiation with marshlands and wetlands now lost or recently restored, outlining an image of interaction with the sea that is not immediately recognizable, and difficult to negotiate with our own changed landscape.

The particular coastal region near El Cerrito indicates the building up of these mounds to create a permeable barrier from the resident crustaceans along the marshlands running from north of Albany Hill to behind Point Isabel–now landfill, then a remote rock in the Bay.

BayShellmoundsCerrito)

The salt marshes, and the five creeks that fed them, are evident in this detail of the 1856 US Coastal Survey:

Salt Marshes

Yet as people moved inland from an 1850 shoreline was reduced by almost a third all of a sudden in last fifty years in a quite rapid and decisive manner, to create a new sense of the stability of the shoreline that segregated land and sea which will be particularly challenging now with the rise of sea levels projected global warming.  The illusory stability of the shoreline is however inevitable . . .  and the bay on track to expand again by 2100, to return to its size of 1850, in ways that pose disastrous consequences for such overbuilt regions of low elevations.  All low-lying areas are threatened by this projected expansion of the ocean, from Foster City to the treatment plants near to the Bay, to Oakland and San Francisco’s low-lying airports . . . and Oakland’s port.  In cities with waste facilities, oil tanks, refineries, ports and airports lie close to the water, as in Richmond, Oakland, the Carquinez Strait and Albany, ocean waters pose very real environmental threats illustrated by the tsunami’s breaching of the Fukushima Daini power plant.

8.  Can we redesign the shoreline differently?  Observing these low-lying areas that stand in close relation to the water in this map of 1850, we might consider the importance of beaches that can constitute a natural buffer to the shore, and the need for restoring their role as transitional zones and regions that has been so precipitously eroded in our environment.  For the erosion of such transitional spaces–and the overbuilding of the shores–has rendered more vulnerable low-lying areas such as Albany, Emeryville, Oakland or El Cerrito, encouraging blinders about the potential possibilities of future risk.

Sandy beaches that once circled San Francisco similarly served as barriers to the encroachment of the sea.  The loss of beachfront corresponded to a huge expansion of reclamation by landfill, and a resulting loss of estuaries, widely known around the Marina, and evident in the expansion of the city’s shores from an 1895 USGS topographic survey:

Lost Land SF-Historical Creeks and Shore marina detail

The loss of estuaries, creeks, and rivers in the entire peninsula of San Francisco since 1895 is less well-known, but even more dramatic:

SF Built Out:Loss from 1895 Topo

Will the process of getting to know the shoreline again provide a way to make them stable barriers once again?  Will we be able to provide natural resources by fluvial deltas, and support the growth of these buffer zones to do better on a second chance, by expanding an estuary system linking to the ocean that was so drastically mis-designed in the 1950s, when it was even proposed–if the proposal was reversed–to pour more landfill into the Bay, and re-zone the estuary, in order to fill an expanding housing market?

Bay or Rivewr

While it was not so prominent as the urban planners had proposed, the dramatic loss of such crucial buffer zones as tidal wetlands is evident in a comparison of first coastal survey of 1850  in this overlay of coastal maps, courtesy the San Francisco Estuary Institute, detailing the configuration of the coastline as it was and as we have made it,  over the century and a half of urban growth throughout the Bay Area–and the dangers that this poses:

baynature_829

The map cannot begin to conjure the shifting dynamic within the landscape and ecosystem we have lost–although the system of dykes and landfill suggests the beginning of the possible excavations of a lost shoreline.

This image of the expansion of the city’s urban claims to housing derives from a cultural and deeply anti-ecological view of the city as a site of stability–and ocean was seen as a site of antagonism on which, in the domesticated image of the bay, the city could rightfully expand–and the estuary be recast as a river to accommodate housing needs.   In starting to change our attitudes to our shorelines, and to view them as sites for other residents and as permeable barriers, we might start from changing our attitudes to the sea:  and remember, with Rachel Carson, that it is through our expansion of the “artificial” nature of cities that we have forgotten and somewhat brazenly rewritten our relation to the shoreline and the sea.

florida-coastline

Maps, of course, forge bridges between nature and culture in provocatively engaging ways–and engage viewers by mapping these relationships.  If we are starting to remap place in provocatively interactive ways, the challenge is to best map the shifting relation between place and the global changes that call for an extensive remapping of place within the world.

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November 14, 2013 · 10:19 am