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Flood trends: Not higher but more often [期刊论文]
Nature Climate Change, 2015-02-25, Volume:5) : Pages:198;199 (2015)
Robert M. Hirsch
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Antecedent flow conditions and nitrate concentrations in the Mississippi River basin [期刊论文]
Hydrology and Earth System Sciences, 2014-01-01, 18 (3
Murphy J;  C;  , Hirsch R;  M;  , Sprague L;  A
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Nitrate in the Mississippi River and its tributaries, 1980-2010: an update [研究报告]
10.3133/sir20135169U.S. Geological Survey. 2013-01-01
Murphy, Jennifer C. jmurphy@usgs.gov;  Hirsch, Robert M. rhirsch@usgs.gov;  Sprague, Lori A. lsprague@usgs.gov
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Comparison of two regression-based approaches for determining nutrient and sediment fluxes and trends in the Chesapeake Bay watershed [研究报告]
U.S. Geological Survey. 2012-01-01
Moyer, Douglas dlmoyer@usgs.gov;  Hirsch, Robert M. rhirsch@usgs.gov;  Hyer, Kenneth kenhyer@usgs.gov
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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 [研究报告]
U.S. Geological Survey. 2012-01-01
Hirsch, Robert M. rhirsch@usgs.gov
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Spatial and temporal trends in runoff at long-term streamgages within and near the Chesapeake Bay Watershed [研究报告]
U.S. Geological Survey. 2012-01-01
Rice, Karen C. kcrice@usgs.gov;  Hirsch, Robert M. rhirsch@usgs.gov
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