Publications
The USGS publishes peer-reviewed reports and journal articles which are used by Chesapeake Bay Program resource managers and policy makers to make science-based decisions for ecosystem conservation and restoration. Use the Search box below to find publications on selected topics.
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Filter Total Items: 963
Waterfowl population trends in the Chesapeake Bay area Waterfowl population trends in the Chesapeake Bay area
No abstract available.
Authors
Matthew C. Perry, A.S. Deller
Chesapeake Bay: Measuring Pollution Reduction Chesapeake Bay: Measuring Pollution Reduction
No abstract available.
Authors
Linda D. Zynjuk
Synthesis of nutrient and sediment data for watersheds within the Chesapeake Bay drainage basin Synthesis of nutrient and sediment data for watersheds within the Chesapeake Bay drainage basin
Nutrient and sediment data collected by Federal and state agencies from 1972 through 1992 at 1,058 surface-water sites in nontidal parts of the Chesapeake Bay Basin were compiled into a large database. Adequate nutrient, sediment, and streamflow data were not available to compute annual loads for all sites because water-quality monitoring at many of the sites was either short term or...
Authors
M. J. Langland, P. L. Lietman, S. A. Hoffman
Vanishing lands: Sea level, society and Chesapeake Bay Vanishing lands: Sea level, society and Chesapeake Bay
No abstract available at this time
Authors
S.P. Leatherman, R. Chalfont, E.C. Pendleton, T.L. McCandless, S. Funderburk
Seasonal cycles of dissolved constituents in streamwater in two forested catchments in the mid-Atlantic region of the eastern U.S.A. Seasonal cycles of dissolved constituents in streamwater in two forested catchments in the mid-Atlantic region of the eastern U.S.A.
Streamwater discharge and chemistry of two small catchments on Catoctin Mountain in north-central Maryland have been monitored since 1982. Repetitive seasonal cycles in stream-water chemistry have been observed each year, along with seasonal cycles in the volume of stream discharge and in groundwater levels. The hypothesis that the observed streamwater chemical cycles are related to...
Authors
Karen C. Rice, Owen P. Bricker
Water-quality characteristics of five tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1988 through June 1993 Water-quality characteristics of five tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1988 through June 1993
Development in the Chesapeake Bay region has adversely affected the water quality of the Bay. The general degradation in the Bay has resulted in the decline of commercial fishing industries and has reduced the area of aquatic vegetation that provides food and habitat for fish and shellfish. In order to assess the effectiveness of programs aimed at reducing the effects of excess nutrients...
Authors
Donna L. Belval, Jean P. Campbell, Scott W. Phillips, Clifton F. Bell
Base-flow characteristics of streams in the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces of Virginia Base-flow characteristics of streams in the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces of Virginia
Growth within the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces of Virginia has focused concern about allocation of surface-water flow and increased demands on the ground-water resources. The purpose of this report is to (1) describe the base-flow characteristics of streams, (2) identify regional differences in these flow characteristics, and (3) describe, if...
Authors
D.L. Nelms, G.E. Harlow, Donald C. Hayes
Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek watershed, York County, Pennsylvania, prior to and during nutrient management: Water-quality study for the Chesapeake Bay Program Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek watershed, York County, Pennsylvania, prior to and during nutrient management: Water-quality study for the Chesapeake Bay Program
The U.S. Geological Survey, in cooperation with the Susquehanna River Basin Commission and the Pennsylvania Department of Environmental Resources, conducted a study as part of the U.S. Environmental Protection Agency's Chesapeake Bay Program to determine the effects of nutrient management of surface-water quality by reducing animal units in a 0.43-square-mile agricultural watershed in...
Authors
Michael J. Langland, David K. Fishel
The use of simulation and multiple environmental tracers to quantify groundwater flow in a shallow aquifer The use of simulation and multiple environmental tracers to quantify groundwater flow in a shallow aquifer
Measurements of the concentrations of chlorofluorocarbons (CFCs), tritium, and other environmental tracers can be used to calculate recharge ages of shallow groundwater and estimate rates of groundwater movement. Numerical simulation also provides quantitative estimates of flow rates, flow paths, and mixing properties of the groundwater system. The environmental tracer techniques and the...
Authors
Thomas E. Reilly, Niel Plummer, Patrick J. Phillips, Eurybiades Busenberg
Assessing the fate of dredged sediments placed in open-water sites, Northern Chesapeake Bay Assessing the fate of dredged sediments placed in open-water sites, Northern Chesapeake Bay
An integrated series of field studies and experiments have been carried out on dredged sediments placed in open water sites in Northern Chesapeake Bay. The studies include: (1) examination of the potential for fluidized sediment flow, (2) quantifying the volumetric changes that the sediments undergo during dredging process and subsequent to deposition, (3) estimating parameters for...
Authors
Jeffrey Halka, William Panageotou, Lawrence Sanford, Shenn Yu-Chou
Tag recovery estimates of migration of striped bass from spawning areas of the Chesapeake Bay Tag recovery estimates of migration of striped bass from spawning areas of the Chesapeake Bay
In 1988–1991 striped bass Morone saxatilis were collected for tagging from various spawning areas within the Hudson River (New York) and the Chesapeake Bay (Maryland). The fish were tagged and released during traditional periods of spawning and recovered by commercial and recreational fishermen. The proportion of fish that migrated in spring–fall from spawning areas in Chesapeake Bay to...
Authors
R.M. Dorazio, K.A. Hattala, C.B. McCollough, J.E. Skjeveland
Flock sizes and sex ratios of canvasbacks in Chesapeake Bay and North Carolina Flock sizes and sex ratios of canvasbacks in Chesapeake Bay and North Carolina
Knowledge of the distribution, size, and sex ratios of flocks of wintering canvasbacks (Aythya valisineria) is fundamental to understanding the species' winter ecology and providing guidelines for management. Consequently, in winter 1986-87, we conducted 4 monthly aerial photographic surveys to investigate temporal changes in distribution, size, and sex ratios of canvasback flocks in...
Authors
G. Michael Haramis, Eric L. Derleth, William A. Link