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Relative Importance of Oceanic Nutrient Inputs for Bass Harbor Marsh Estuary at Acadia National Park, Maine
| 题名： | Relative Importance of Oceanic Nutrient Inputs for Bass Harbor Marsh Estuary at Acadia National Park, Maine |
| 作者： | Huntington, T. G.; Culbertson, C. W.; Fuller, C.; Glibert, P.; Sturtevant, L. |
| 关键词： | Nutrients##Estuaries##Maine##Eutrophication##Nitrates##Ammonia##Nitrogen##Phosphorus##Runoff##Watersheds##Precipitation##Oceanic nutrient inputs##Bass Harbor Marsh Estuary(Maine)##Acadia National Park(Maine)## |
| 摘要： | The U.S. Geological Survey and Acadia National Park (ANP) collaborated on a study of nutrient inputs into Bass Harbor Marsh Estuary on Mount Desert Island, Maine, to better understand ongoing eutrophication, oceanic nutrient inputs, and potential management solutions. This report includes the estimation of loads of nitrate, ammonia, total dissolved nitrogen, and total dissolved phosphorus to the estuary derived from runoff within the watershed and oceanic inputs during summers 2011 and 2012. Nutrient outputs from the estuary were also monitored, and nutrient inputs in direct precipitation to the estuary were calculated. Specific conductance, water temperature, and turbidity were monitored at the estuary outlet. This report presents a first-order analysis of the potential effects of projected sea-level rise on the inundated area and estuary volume. Historical aerial photographs were used to investigate the possibility of widening of the estuary channel over time. The scope of this report also includes analysis of sediment cores collected from the estuary and fringing marsh surfaces to assess the sediment mass accumulation rate. |
| 总页数： | 32 |
| 报告类型： | 科技报告 |
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