Charles R. Demas

United States Geological Survey — United States

Environmental Science · Physical Sciences

12h-index1.1kcitations28works0.02yr avg
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Research Topics

Water Quality and Resources Studies(10), Heavy metals in environment(4), Hydrology and Sediment Transport Processes(4), Water Quality and Pollution Assessment(4), Soil erosion and sediment transport(3)

Publications28 total

Hydrologic Connectivity and Residence Time Affect the Sediment Trapping Efficiency and Dissolved Oxygen Concentrations of the Atchafalaya River Basin
Water Resources Research·2022· 7 citedOpen Access
Hydrologic modification and channel evolution degrades connectivity on the Atchafalaya River floodplain
Earth Surface Processes and Landforms·2022· 6 citedOpen Access
Channel modification and evolution alter hydraulic connectivity in the Atchafalaya River basin increasing vulnerability to sea-level rise
2019· 2 cited
A water and sediment budget for the lower Mississippi–Atchafalaya River in flood years 2008–2010: Implications for sediment discharge to the oceans and coastal restoration in Louisiana
Journal of Hydrology·2012· 294 cited
Recent sedimentation patterns within the central Atchafalaya Basin, Louisiana
Wetlands·2008· 107 cited
Science and the storms: The USGS response to the hurricanes of 2005
U.S. Geological Survey circular/U.S. Geological Survey Circular·2007· 105 citedOpen Access
Characterization of flood sediments from Hurricanes Katrina and Rita and potential implications for human health and the environment: Chapter 7I in Science and the storms-the USGS response to the hurricanes of 2005
Circular·2007· 3 cited
Characterization of flood sediments from Hurricanes Katrina and Rita and potential implications for human health and the environment
U.S. Geological Survey circular/U.S. Geological Survey Circular·2007· 12 citedOpen Access
USGS environmental characterization of flood sediments left in the New Orleans area after Hurricanes Katrina and Rita, 2005 — Progress Report
Antarctica A Keystone in a Changing World·2006· 15 citedOpen Access
The Atchafalaya Basin : river of trees
Fact sheet·2002· 16 cited
National Water-Quality Assessment Program : Acadian-Pontchartrain Study Unit
Fact sheet·1999· 1 citedOpen Access
Response to Comments on “Problems Associated with Using Filtration To Define Dissolved Trace Element Concentrations in Natural Water Samples”
Environmental Science & Technology·1996· 13 cited
The effect of membrane filtration on dissolved trace element concentrations
Water Air & Soil Pollution·1996· 21 cited
Problems Associated with Using Filtration To Define Dissolved Trace Element Concentrations in Natural Water Samples
Environmental Science & Technology·1996· 162 cited
Sediment Toxicity Testing with the Amphipod Ampelisca abdita in Calcasieu Estuary, Louisiana
Archives of Environmental Contamination and Toxicology·1996
The Effect of Membrane Filtration on Dissolved Trace Element Concentrations
1996· 2 cited
Sediment toxicity testing with the amphipod Ampelisca abdita in Calcasieu estuary, Louisiana
Archives of Environmental Contamination and Toxicology·1996· 12 cited
Geochemistry and solid-phase association of chromium in sediment from the Calcasieu River and estuary, Louisiana, U.S.A.
Chemical Geology·1994· 5 cited
U.S. Geological Survey protocol for the collection and processing of surface-water samples for the subsequent determination of inorganic constituents in filtered water
Antarctica A Keystone in a Changing World·1994· 162 citedOpen Access
Comparison of methods for the removal of organic carbon and extraction of chromium, iron and manganese from an estuarine sediment standard and sediment from the Calcasieu River estuary, Louisiana, U.S.A.
Chemical Geology·1992· 14 cited
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Frequent Co-authors

Arthur J. Horowitz(6), Dennis K. Demcheck(5), Ken R. Lum(4), John R. Garbarino(4), G.E.M. Hall(4), Claire Lemieux(4), Daniel E. Kroes(4), Richard H. Day(4), Geoffrey S. Plumlee(3), Gregory P. Meeker(3), John K. Lovelace(3), Nancy J. Powell(2), Nancy S. Simon(2), William T. Foreman(2), Dale W. Griffin(2), M. S. Redmond(2), Philip A. Crocker(2), Katherine M. McKenna(2), E. A. Petrocelli(2), Steven Roberts(2)