Journal of the American Water Resources Association

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The Role of Headwater Streams in Downstream Water Quality1
Journal of the American Water Resources Association - Tập 43 Số 1 - Trang 41-59 - 2007
Richard B. Alexander, Elizabeth W. Boyer, Richard A. Smith, Gregory E. Schwarz, Richard B. Moore
Abstract:  Knowledge of headwater influences on the water‐quality and flow conditions of downstream waters is essential to water‐resource management at all governmental levels; this includes recent court decisions on the jurisdiction of the Federal Clean Water Act (CWA) over upland areas that contribute to larger downstream water bodies. We review current watershed research and use a water‐quality... hiện toàn bộ
Potential Impact of Climate Change on Hurricane Flooding Inundation, Population Affected and Property Damages in Corpus Christi1
Journal of the American Water Resources Association - Tập 46 Số 5 - Trang 1049-1059 - 2010
Ashley E. Frey, Francisco Olivera, Jennifer L. Irish, Lauren M. Dunkin, James M. Kaihatu, Celso M. Ferreira, Billy L. Edge
Frey, Ashley E., Francisco Olivera, Jennifer L. Irish, Lauren M. Dunkin, James M. Kaihatu, Celso M. Ferreira, and Billy L. Edge, 2010. Potential Impact of Climate Change on Hurricane Flooding Inundation, Population Affected and Property Damages in Corpus Christi. Journal of the American Water Resources Association (JAWRA) 1–11. DOI: 10.1111/j.1752‐1688.2010.00475.xAbstract:  The effect of climate ... hiện toàn bộ
Nutrient Inputs to the Laurentian Great Lakes by Source and Watershed Estimated Using SPARROW Watershed Models1
Journal of the American Water Resources Association - Tập 47 Số 5 - Trang 1011-1033 - 2011
Dale M. Robertson, David A. Saad
Effects of Impervious Cover at Multiple Spatial Scales on Coastal Watershed Streams1
Journal of the American Water Resources Association - Tập 43 Số 3 - Trang 712-730 - 2007
Roy Schiff, Gaboury Benoit
Abstract:  The spatial scale and location of land whose development has the strongest influence on aquatic ecosystems must be known to support land use decisions that protect water resources in urbanizing watersheds. We explored impacts of urbanization on streams in the West River watershed, New Haven, Connecticut, to identify the spatial scale of watershed imperviousness that was most strongly re... hiện toàn bộ
POTENTIAL EFFECTS OF CLIMATE CHANGE ON SURFACE‐WATER QUALITY IN NORTH AMERICA1
Journal of the American Water Resources Association - Tập 36 Số 2 - Trang 347-366 - 2000
Peter S. Murdoch, Jill S. Baron, Timothy L. Miller
ABSTRACT:Data from long‐term ecosystem monitoring and research stations in North America and results of simulations made with interpretive models indicate that changes in climate (precipitation and temperature) can have a significant effect on the quality of surface waters. Changes in water quality during storms, snowmelt, and periods of elevated air temperature or drought can cause conditions tha... hiện toàn bộ
AN EXAMINATION OF RELATIVE PERMEABILITY RELATIONS FOR TWO‐PHASE FLOW IN POROUS MEDIA1
Journal of the American Water Resources Association - Tập 23 Số 4 - Trang 617-628 - 1987
Avery H. Demond, Paul V. Roberts
ABSTRACT: A key parameter in modeling two‐phase flow phenomena is relative permeability. It is important to understand which variables influence relative permeability, especially since so few measurements of relative permeability have been made for typical contaminants at hazardous waste sites. This paper focuses on the effect of five variables on relative permeability: intrinsic permeability, por... hiện toàn bộ
AN EXAMINATION OF LAND USE ‐ NUTRIENT EXPORT RELATIONSHIPS1
Journal of the American Water Resources Association - Tập 18 Số 6 - Trang 1013-1024 - 1982
Michael Beaulac, Kenneth H. Reckhow
ABSTRACT: Lake and watershed management strategies and recent environmental legislation dictate that nonpoht nutrient sources associated with storm water runoff must be assessed. Accordingly, a nutrient flu assessment for phosphorus and nitrogen is conducted through an extensive literature review of nutrient export studies. These studies are reevaluated. The nutrient export coefficients are screen... hiện toàn bộ
The Stream‐Catchment (StreamCat) Dataset: A Database of Watershed Metrics for the Conterminous United States
Journal of the American Water Resources Association - Tập 52 Số 1 - Trang 120-128 - 2016
Ryan A. Hill, Matt Weber, Scott G. Leibowitz, Anthony R. Olsen, Darren J. Thornbrugh
AbstractWe developed an extensive database of landscape metrics for ~2.65 million stream segments, and their associated catchments, within the conterminous United States (U.S.): The Stream‐Catchment (StreamCat) Dataset. These data are publically available (http://www2.epa.gov/national-aquatic-resource-surveys/streamcat) and greatly reduce the specialized geospatial expertise needed by researchers ... hiện toàn bộ
WATER QUALITY AND SOURCE OF FRESHWATER DISCHARGE TO THE CALOOSAHATCHEE ESTUARY, FLORIDA1
Journal of the American Water Resources Association - Tập 35 Số 4 - Trang 793-806 - 1999
Peter H. Doering, Robert H. Chamberlain
ABSTRACT: The Caloosahatchee River has two major sources of freshwater one from its watershed and the other via an artificial connection to Lake Okeechobee. The contribution of each source to the freshwater discharge reaching the downstream estuary varies and either may dominate. Routine monitoring data were analyzed to determine the effects of total river discharge and source of discharge (river ... hiện toàn bộ
PLANNING FOR DROUGHT: MOVING FROM CRISIS TO RISK MANAGEMENT1
Journal of the American Water Resources Association - Tập 36 Số 4 - Trang 697-710 - 2000
Donald A. Wilhite, Michael J. Hayes, Cody Knutson, Kelly Helm Smith
ABSTRACT: Severe drought is a recurring problem for the United States, as illustrated by widespread economic, social, and environmental impacts. Recent drought episodes and the widespread drought conditions in 1996, 1998, and 1999 emphasized this vulnerability and the need for a more proactive, risk management approach to drought management that would place greater emphasis on preparedness plannin... hiện toàn bộ
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