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Posts Tagged ‘Water’

BY ZACH MORTICE

Curbing Sediment collects sediment washed along curbs and street aprons in shallow troughs. Image courtesy Halina Steiner and Ryan Winston.

Research at the Ohio State University aims to keep stormwater sediment stranded on the road.

 

When Halina Steiner tested new sediment-collecting infrastructure in her lab at the Ohio State University (OSU), she noticed a mysterious magnetism pulling people toward the bits of beveled foamboard she had crafted into sediment collectors. As water mixes with dirt and sand starts flowing across the planks of foam, and sediment settles into intricately carved CNC-milled grooves, “it’s very mesmerizing,” Steiner says. It’s like sending a paper boat down a stream or, more accurately, “down the gutter,” she says, because that’s the exact place Steiner is looking to intercept sediment that pollutes and clogs waterways. (more…)

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BY BRADFORD MCKEE, EDITOR

FROM THE MARCH 2020 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

 

The National Association of Home Builders, among others, is giddy about a new Trump administration rule that allows widespread water pollution and wetland destruction. In late January, the federal government put out its final fixes to the Navigable Waters Protection Rule, known also as the Waters of the United States rule, under the Clean Water Act. The changes remove safeguards for most wetlands and more than 18 percent of streams. You are now free to fill these wetlands and foul these waters unburdened by law or by the unforgiving science that tells us which things turn water toxic and that water still runs downhill. The administrator of the U.S. Environmental Protection Agency, Andrew Wheeler, even showed up at the home builders’ annual gathering in Las Vegas to announce the changes the group has wanted so badly. Their website headlined the announcement as “a big splash.” (more…)

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The things our art director, Chris McGee, hated to leave out of the current issue of LAM.

Photo by Mark Hough, FASLA

From “The Water You Can’t See” in the December 2019 issue by Kofi Boone, ASLA, on Duke Pond, a chiller plant water retention basin that’s also an ecological showcase for the historic Duke University campus landscape.

“Cypress symmetry.”

–CHRIS MCGEE, LAM ART DIRECTOR

As always, you can buy this issue of Landscape Architecture Magazine at more than 250 bookstores, including many university stores and independents, as well as at Barnes & Noble. You can also buy single digital issues for only $5.25 at Zinio or order single copies of the print issue from ASLA. Annual subscriptions for LAM are a thrifty $59 for print and $44.25 for digital. Our subscription page has more information on subscription options.

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The things our art director, Chris McGee, hated to leave out of the current issue of LAM.

Photo by Stephen Dunn.

From “Look to the Sky” in the November 2019 issue by Haniya Rae, about a New Mexico residential landscape where a multilayered stormwater catchment strategy speaks to a different sort of beauty.

“Western water catcher.”

–CHRIS MCGEE, LAM ART DIRECTOR

As always, you can buy this issue of Landscape Architecture Magazine at more than 250 bookstores, including many university stores and independents, as well as at Barnes & Noble. You can also buy single digital issues for only $5.25 at Zinio or order single copies of the print issue from ASLA. Annual subscriptions for LAM are a thrifty $59 for print and $44.25 for digital. Our subscription page has more information on subscription options.

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As part of an ongoing effort to make content more accessible, LAM will be making select stories available to readers in Spanish. For a full list of translated articles, please click here.

BY LISA OWENS VIANI

FROM THE NOVEMBER 2019 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

 

Named for the walnut trees that used to line its banks, the Arroyo de los Nogales, a tributary of the Santa Cruz River, flows from south to north, descending from the high Sonoran desert in Mexico into Arizona. The main arroyo and its many smaller tributaries form a watershed, shaped roughly like a human heart, that is broken in two by the U.S.–Mexico border wall. Facing each other across the wall, in the river’s floodplain, are two cities, each named Nogales, that share social and environmental problems—including repeated flooding caused by rapid urbanization, ineffective flood control efforts, and the border wall itself.

Gabriel Díaz Montemayor, ASLA, an assistant professor of landscape architecture at the Fay Jones School of Architecture and Design at the University of Arkansas, and Francisco Lara-Valencia, an associate professor at the School of Transborder Studies at Arizona State University, have a greener vision for these border cities (together called Ambos Nogales), whose streets and arroyos often run brown with sediment and sewage in heavy storms. Díaz Montemayor and Lara-Valencia want to increase permeability throughout the watershed, slow peak flows in heavy storms, and develop more ecological connectivity between the two cities, despite the dividing presence of the wall.

They hope their ideas for an extensive network of green infrastructure can transform the way the cities develop, not only to improve water quality and flood management but also to provide more green space for residents. As the cities have grown, impervious surfaces have too, destroying natural areas. Both cities lack green space: There is just 1.1 square meter per person in Nogales, Mexico, and only 2.2 square meters per person on the U.S. side, Lara-Valencia says.

“We are not saying development shouldn’t happen,” Díaz Montemayor says. “We’re saying, ‘Let’s provide a structure for that development to happen [that] is based on natural systems.’” (more…)

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As part of an ongoing effort to make content more accessible, LAM will be making select stories available to readers in Spanish. For a full list of translated articles, please click here.

BY JENNIFER REUT

FROM THE NOVEMBER 2019 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

 

Like many cities in the Southwest (Palm Springs, California, most conspicuously), Tucson, Arizona, has a decent bank of midcentury modern buildings and landscapes. In the 1950s and 1960s, home buyers, drawn by the mirage of golf course-adjacent desert living (with air-conditioning, swimming pools, and lawns), flocked to the Southwest, and large swaths of the new development that went up during that era were built in the middle-class modern idiom. In the Southwest, modernism incorporated regional materials and climatic adaptations into lively vernacular architecture, and also generated some truly inspired landscapes.

Tucson Modernism Week was launched by the Tucson Historic Preservation Foundation in 2001 to highlight the region’s midcentury modern architecture and landscape heritage. The foundation is also among a handful of preservation groups trying to broaden notions of modern design to include the work of women and people of color, as well as expanding the boundaries of modernism to include textiles, dance, ceramics, and neon.

Among those whom the foundation has brought to the public’s attention is Taro Akutagawa (1917–2002), a Japanese American landscape designer whose work, primarily in Albuquerque, New Mexico, has been nearly erased. The foundation’s Taro Akutagawa Collection contains photographs, newspaper clippings, archival images, drawings, and plans.

The outlines of Akutagawa’s life and work are known, though there is not quite a full accounting of his projects. He was born in California in 1917 and educated in Japan before (more…)

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BY ZACH MORTICE

The Kua Bay Residence is a simple pitched roof pavilion that works as an enticing collector of ocean views. Photo by Marion Brenner, Affiliate ASLA.

More than half of the world’s anchialine ponds are located on Hawai‘i, also known as the Big Island. They’re formed when fresh water flows downward toward the ocean through porous volcanic rock and mixes with salt water pushed inland by wave action. Where the shoreline dips below sea level with sizable crevices, pools of water are exposed at the surface. It’s a brackish mix, though the salinity can vary, as can the depth and size of anchialine ponds. Some can be more than a dozen acres wide; others are smaller than a bathtub. These pools were vital to native Hawaiians, who would harvest shrimp (such as the ‘ōpae‘ula red shrimp) for food or bait, or use larger ponds closer to shore with higher salinity levels as fishponds. Freshwater ponds were used for drinking water and bathing.

Anchialine pools are characteristic of the landscape of the Big Island, the site of the Kua Bay Residence, and were a source of inspiration for its landscape architect, Ron Lutsko Jr., ASLA, of San Francisco-based Lutsko Associates Landscape. Like the pools themselves, the project has an intimate connection to water defined by the rock-face crevices at its border, and it offers cloistered shelter for local and native species amid an otherwise beautifully barren landscape. The project is a recipient of both a Northern California ASLA award and, most recently, a 2019 ASLA Professional Award. (more…)

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