Source and Delivery of Nutrients to Receiving Waters in the Northeastern and Mid-Atlantic Regions of the United States
作者： Richard B. Moore , Craig M. Johnston , Richard A. Smith , Bryan Milstead
DOI: 10.1111/J.1752-1688.2011.00582.X
关键词:
摘要: Moore, Richard B., Craig M. Johnston, A. Smith, and Bryan Milstead, 2011. Source Delivery of Nutrients to Receiving Waters in the Northeastern Mid-Atlantic Regions United States. Journal American Water Resources Association (JAWRA) 47(5):965-990. DOI: 10.1111/j.1752-1688.2011.00582.x Abstract: This study investigates nutrient sources transport receiving waters, order provide spatially detailed information aid water-resources managers concerned with eutrophication management strategies. SPAtially Referenced Regressions On Watershed attributes (SPARROW) models were developed for (NE US) regions States represent source conditions year 2002. The model examine delivery nitrogen estuaries nine large rivers along NE US Seaboard indicated that agricultural contribute largest percentage (37%) total load delivered estuaries. Point account 28% while atmospheric deposition accounts 20%. A second SPARROW was used phosphorus lakes reservoirs throughout US. greatest attenuation occurred relative size their watershed. Model results show that, within US, aquatic decay nutrients is quite limited on an annual basis we especially cannot rely natural remove larger nor watersheds lake.
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