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 r...... 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
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...... hiện toàn bộ
CHANNEL CHANGES DOWNSTREAM FROM A DAM1
Journal of the American Water Resources Association - Tập 34 Số 3 - Trang 629-637 - 1998
R. F. Hadley, William W. Emmett
ABSTRACT: A flood‐control dam was completed during 1979 on Bear Creek, a small tributary stream to the South Platte River in the Denver, Colorado, area. Before and after dam closure, repetitive surveys between 1977 and 1992 at five cross sections downstream of the dam documented changes in channel morphology. During this 15‐year period, channel width increased sligh...... hiện toàn bộ
COMPOSITE VS. DISTRIBUTED CURVE NUMBERS: EFFECTS ON ESTIMATES OF STORM RUNOFF DEPTHS1
Journal of the American Water Resources Association - Tập 34 Số 5 - Trang 1015-1023 - 1998
M. La Grove, Jon Harbor, Bernard Engel
ABSTRACT: The U.S. Department of Agriculture Curve Number (CN) method is one of the most common and widely used techniques for estimating surface runoff and has been incorporated into a number of popular hydrologic models. The CN method has traditionally been applied using compositing techniques in which the area weighted average of all curve numbers is calculated f...... hiện toàn bộ
Urbanization and Its Effect On Runoff in the Whiteoak Bayou Watershed, Texas1
Journal of the American Water Resources Association - Tập 43 Số 1 - Trang 170-182 - 2007
Francisco Olivera, Buren B. DeFee
Abstract:  The capacity of a watershed to urbanize without changing its hydrologic response and the relationship between that response and the spatial configuration of the developed areas was studied. The study was conducted in the Whiteoak Bayou watershed (223 km2), located northwest of Houston, Texas, over an analysis period from 1949 to 2000. ...... hiện toàn bộ
STORM RUNOFF PREDICTION BASED ON A SPATIALLY DISTRIBUTED TRAVEL TIME METHOD UTILIZING REMOTE SENSING AND GIS1
Journal of the American Water Resources Association - Tập 40 Số 4 - Trang 863-879 - 2004
Assefa M. Melesse, W. D. Graham
ABSTRACT: In this study, remotely sensed data and geographic information system (GIS) tools were used to estimate storm runoff response for Simms Creek watershed in the Etonia basin in northeast Florida. Land cover information from digital orthophoto quarter quadrangles (DOQQ), and enhanced thematic mapper plus (ETM+) were analyzed for the years 1990, 1995, and 2000...... hiện toàn bộ
ACCEPTING THE STANDARDIZED PRECIPITATION INDEX: A CALCULATION ALGORITHM1
Journal of the American Water Resources Association - Tập 35 Số 2 - Trang 311-322 - 1999
Nathaniel B. Guttman
ABSTRACT: The Palmer Drought Severity Index (PDSI) has been calculated for about 30 years as a means of providing a single measure of meteorological drought severity. It was intended to retrospectively look at wet and dry conditions using water balance techniques. The Standardized Precipitation Index (SPI) is a probability index that was developed to give a better r...... hiện toàn bộ
HISTORICAL TRENDS IN SEDIMENTATION RATES AND SEDIMENT PROVENANCE, FAIRFIELD LAKE, WESTERN NORTH CAROLINA
Journal of the American Water Resources Association - Tập 41 Số 5 - Trang 1053-1075 - 2005
Jerry R. Miller, Mark Lord, Steven Yurkovich, Gail Mackin, Lawrence Kolenbrander
RIPARIAN MICROCLIMATE AND STREAM TEMPERATURE RESPONSE TO FOREST HARVESTING: A REVIEW
Journal of the American Water Resources Association - Tập 41 Số 4 - Trang 813-834 - 2005
R. D. Moore, Dave Spittlehouse, Anthony Story
Tổng số: 70   
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