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Spatial and temporal trends in runoff at long-term streamgages within and near the Chesapeake Bay Watershed 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Rice, Karen C. kcrice@usgs.gov;  Hirsch, Robert M. rhirsch@usgs.gov
收藏  |  浏览/下载：4/0  |  提交时间：2019/04/05
Comparison of two regression-based approaches for determining nutrient and sediment fluxes and trends in the Chesapeake Bay watershed 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Moyer, Douglas dlmoyer@usgs.gov;  Hirsch, Robert M. rhirsch@usgs.gov;  Hyer, Kenneth kenhyer@usgs.gov
收藏  |  浏览/下载：5/0  |  提交时间：2019/04/05
Flux of nitrogen, phosphorus, and suspended sediment from the Susquehanna River Basin to the Chesapeake Bay during Tropical Storm Lee, September 2011, as an indicator of the effects of reservoir sedimentation on water quality 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Hirsch, Robert M. rhirsch@usgs.gov
收藏  |  浏览/下载：4/0  |  提交时间：2019/04/05