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Nutrient Budgets, Marsh Inundation Under Sea-Level Rise Scenarios, and Sediment Chronologies for the Bass Harbor Marsh Estuary at Acadia National Park
| 题名： | Nutrient Budgets, Marsh Inundation Under Sea-Level Rise Scenarios, and Sediment Chronologies for the Bass Harbor Marsh Estuary at Acadia National Park |
| 作者： | Huntington, T. G.; Culbertson, C. W.; Fuller, C.; Gilbert, P.; Sturtevant, L. |
| 关键词： | Sea level rise##Estuaries##Marshes##Nutrient loads##Sediments##Water quality##Watersheds##Eutrophication##Ecosystems##Bathymetry##Acadia National Park##Bass Harbor Marsh Estuary## |
| 摘要： | Eutrophication in the Bass Harbor Marsh estuary on Mount Desert Island, Maine, is an ongoing problem manifested by recurring annual blooms of green macroalgae species, principally Enteromorpha prolifera and Enteromorpha flexuosa, blooms that appear in the spring and summer. These blooms are unsightly and impair the otherwise natural beauty of this estuarine ecosystem. The macroalgae also threaten the integrity of the estuary and its inherent functions. The U.S. Geological Survey and Acadia National Park have collaborated for several years to better understand the factors related to this eutrophication problem with support from the U.S. Geological Survey and National Park Service Water Quality Assessment and Monitoring Program. The current study involved the collection of hydrologic and water-quality data necessary to investigate the relative contribution of nutrients from oceanic and terrestrial sources during summer 2011 and summer 2012. This report provides data on nutrient budgets for this estuary, sedimentation chronologies for the estuary and fringing marsh, and estuary bathymetry. The report also includes data, based on aerial photographs, on historical changes from 1944 to 2010 in estuary surface area and data, based on surface-elevation details, on changes in marsh area that may accompany sea-level rise. |
| 总页数： | 124 |
| 报告类型： | 科技报告 |
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