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The City of Kentwood (MI) has been faced with repetitive flooding from Plaster Creek near the intersection of Shaffer Avenue SE and 36th Street SE. Nearby businesses and public and private property are at risk for flood damage; as well as degradation of public infrastructure including bridges, exposure of subsurface sanitary sewer lines, and damage to storm water systems. The U.S. Army Corps of Engineers, Detroit District, would like to develop a management plan through the use of a hydraulic model of the impacted river reaches. To support this effort, topographic and bathymetric surveys of Plaster Creek, Little Plaster Creek, and associated bridges and structures are needed. During the summer of 2018, the U.S....
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Researchers applied methods developed to map cumulative impacts globally to the California Current using more comprehensive and higher-quality data for 25 human activities and 19 marine ecosystems. They first surveyed experts in six sub-regions of the California Current to explore geographic variation in the effects of threats. A workshop was held to use decision theory to evaluate the tradeoffs of using expert opinion to assess threats and associated impacts. Data on ecosystems and threats were gathered at resolutions of approximately one square kilometer. By synthesizing information and inferences regarding anticipated impacts of threats, project participants developed a spatially-explicit understanding of the...


    map background search result map search result map Cumulative Human Impacts to California Current Marine Ecosystems Cross section survey of a selected reach of Plaster Creek and Little Plaster Creek, Kentwood, MI, 2018 Cross section survey of a selected reach of Plaster Creek and Little Plaster Creek, Kentwood, MI, 2018 Cumulative Human Impacts to California Current Marine Ecosystems