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Posts Tagged ‘Dredge Research Collaborative’

BY TIMOTHY A. SCHULER

Where has all the sediment gone? Image courtesy of Landscape Metrics and the Dredge Research Collaborative.

Where has all the sediment gone? Image courtesy of Landscape Metrics and the Dredge Research Collaborative.

From the December 2016 issue of Landscape Architecture Magazine.

Thanks to a severe shortage of sediment, the tidal marshes of the San Francisco Bay are disappearing, taking with them a vital ecosystem and an important defense against sea-level rise. In response, in June 2016, voters approved a parcel tax that will generate $500 million over the next 20 years for wetland restoration. And yet the sediment hasn’t vanished; it’s a prisoner of the state’s highly altered hydrologic system. “There’s this incredible resource that’s just sitting behind this constellation of dams,” says Landscape Metrics principal Matthew Seibert.

This summer, as a part of DredgeFest California, Seibert worked with the Dredge Research Collaborative and workshop participants to visualize this “hidden sediment reserve.” Based on data published in the journal Water Resources Research in 2009, the team created an interactive map showing where—and when—California’s sediment was diverted, as well as the cost of removing that sediment, which far exceeds the expected $500 million in tax revenue. Seibert is optimistic, however, especially as the economics of climate change become increasingly apparent: “The Baylands have an amazing capacity for flood mitigation that I don’t feel is quantified economically yet, or valued as it should be.”

For an interactive version of this map, visit landscapemetrics.com/dredge.

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DredgeFest_GreatLakes_Flyer-02 If you missed DredgeFestNYC and DredgeFest Louisiana (see “The Dredge Underground,” LAM, August 2014) then you haven’t experienced one of the most interesting landscape-focused gatherings around. Fortunately, another chance is just ahead at DredgeFest Great Lakes (DFGL) this August. DredgeFest draws a friendly and curious crowd across a wide spectrum of expertise to look critically at dredging and the land it winds up making—and there are many overlaps with contemporary landscape architecture practice.

This event (conference doesn’t really describe it) will focus on the Great Lakes region (aka the Third Coast in dredgespeak). It will include two days of talks and presentations from a range of designers and others who work in this industrial practice; a day of touring dredge sites around Duluth; and a weeklong workshop at the University of Minnesota’s School of Architecture and Department of Landscape Architecture that brings in a very intriguing international cohort of designers.

This third iteration of DredgeFest should be the best yet, with the now-signature mix of intense investigations and industrial monumentality with the speculative edge that has marked previous DredgeFests.

Landscape Architecture Magazine is a cosponsor of DFGL this year. We’re looking forward to inhaling the fascinating new research and meeting folks in Minnesota this August. Registration for one or all parts of DFGL is open now.

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For the cover story of LAM’s August issue, Jennifer Reut, an associate editor at the magazine, goes on safari in Louisiana with the Dredge Research Collaborative, a loosely joined group of designers and one journalist spellbound by the huge, hidden power of dredging waterways for shipping or flood control, and all of its odd side effects. It began as almost a science fiction-type pursuit, though one member of the collaborative, Tim Maly, explains, “As we began to research the present of dredge, our wild ideas were routinely falling short of reality.”  Also in this month’s features, Jonathan Lerner surveys the outsized ambitions of Joe Brown, FASLA, who just retired from AECOM, the multinational design firm to which he welded the fortunes of the beloved landscape architecture firm EDAW in an acquisition nine years ago—to applause that was scarcely universal. And on the riverfront of Newark, Jane Margolies explores the degrading past and the brighter future of an old industrial site turned into Riverfront Park, with a boardwalk done in sizzling orange, by Lee Weintraub, FASLA.

In Foreground, we have the refashioning of certain large green roofs into farms; the balancing of goodness and financial prudence required to make social-impact design viable; and the layered dynamics of marine spatial planning as practiced by Charlene LeBleu, FASLA, at Auburn University. In Species, Constance Casey writes about the respectable labors of the mole—even if it can be a gardener’s scourge. In the Back, landscape architects in Denver suggest their personal favorite spots to visit during the ASLA Annual Meeting and EXPO in November. And of course, there’s more in our regular Books and Goods columns.

You can read the full table of contents for August here. As always, you can buy this issue of Landscape Architecture Magazine at more than 200 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.

Keep an eye out here on the blog, on the LAM Facebook page, and on our Twitter feed (@landarchmag), as we’ll be ungating some August pieces as the month rolls out.

Credits: Concrete Mattresses—Jennifer Reut; Orange Boardwalk—Colin Cooke Studio; Joe Brown—Kyle Jeffers; Rooftop Gardening—Chicago Botanic Garden; The Women’s Opportunity Center—Bruce Engel, Sharon Davis Design; Marine Spatial Planning—Charlene LeBleu, FASLA; Mole—www.shutterstock.com/Marcin Pawinski; 9th Street Historic Park—Kyle Huninghake; Marché aux poulets—Camille Sitte, circa 1885.

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