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Geothermal Gardens and the Hot Zones of the City
Geoff Manaugh, 24 Feb 10

[Image: "Reykjavik Botanical Garden" by Andrew Corrigan and John Carr].

In a fantastic issue of AD, edited by Sean Lally and themed around the idea of "Energies," a long list of projects appeared that are of direct relevance to the Glacier/Island/Storm studio thread developing this week. I want to mention just two of those projects here.

[Image: "Reykjavik Botanical Garden" by Andrew Corrigan and John Carr].

For their "Reykjavik Botanical Garden," Rice University architecture students Andrew Corrigan and John Carr proposed tapping that city's geothermal energy to create "microclimates for varied plant growth."

"Heat is taken directly from the ground," they write, "and piped up across the landscape into a system of [pipes and] towers."

    Zones of heat radiate out from the pipes, creating a new climate layer with variable conditions based on their number and proximity to each other. These exterior plantings are mostly native to Iceland, but the amplified environment allows a wider range of growth than would normally be possible, informing the role and opportunity of this particular botanical garden. Visitors experience growth never before possible in Iceland, and travel through new climates throughout the site.
Amidst "hydroponic growing trays and research laboratories," and sprouting in the climatic shadow of complicated "air-intake systems," a new landscape grows, absorbing its heat from below.

[Image: "Reykjavik Botanical Garden" by Andrew Corrigan and John Carr].

The climate of the city is altered, in other words, literally from the ground up; using the functional equivalent of terrestrially powered ovens, otherwise botanically impossible species can healthily take root.

This domestication of geothermal energy, and the use of it for purposes other than electricity-generation, raises the fascinating possibility that heat itself, if carefully and specifically redirected, can utterly transform urban space.

[Image: Produced for the "Vatnsmyri Urban Planning Competition" by Sean Lally, Andrew Corrigan, and Paul Kweton of WEATHERS].

A variant on this forms the basic idea behind Sean Lally's own project, produced with Andrew Corrigan and Paul Kweton, for the Vatnsmyri Urban Planning Competition (a competition previously discussed on BLDGBLOG here).

Their design also proposes using geothermal heat in Reykjavik "to affect the local climatic conditions on land, including air temperature and soil temperature for vegetative growth." But their goal is to generate a "climatic 'wash'"—that is, an amorphous zone of heat that lies just slightly outside of direct regulation. This slow leaking of heat into the city could then effect a linked series of hot zones—or variable microclimates, as the architects write—that would punctuate the city with thermal oases.

Like a winterized inversion of the air-conditioned cold fronts we feel rolling out from the open doors of buildings all summer long, this would be pure heat—and its attendant humidity—roiling upward from the Earth itself. The result would be to generate a new architecture not of walls and buildings but of temperature thresholds and bodily sensation.

Indeed, as David Gissen suggests in his excellent book Subnature, this project could very well imply "a new form of urban planning," one in which sculpted zones of thermal energy take precedence over architecturally designated public spaces.

Of course, whether this simply means that under-designed urban dead zones—like the otherwise sorely needed pedestrian parks now scattered up and down Broadway—will be left as is, provided they are heated from below by a subway grate, remains, for the time being, undetermined.

This is all just part of a much larger question: how we "renegotiate the relationship between architecture and weather," as Jürgen Mayer H. and Neeraj Bhatia, editors of the recent book -arium: Weather + Architecture, describe it. The Glacier/Island/Storm studio will continue to explore these and other abstract questions of climate and architectural design throughout the spring.


This piece originally appeared on BLDGBLOG

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Comments

It is very worrisome. change for this year down on our world that makes you appreciate more what we know.


Posted by: sazabiz on 25 Feb 10

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