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Articles 1 - 30 of 31
Full-Text Articles in Physical Sciences and Mathematics
The Watershed Game: Land Use & Water Quality. Subjects: Environmental Science, Marine/Ocean Science, Life Science/Biology Grades: 9-12, Shanna Williamson
The Watershed Game: Land Use & Water Quality. Subjects: Environmental Science, Marine/Ocean Science, Life Science/Biology Grades: 9-12, Shanna Williamson
Reports
This lesson plan is a hands-on activity that allows students to explore how water and nutrients are transported from a watershed with three different land cover types and eventually ends up in a nearby stream.
Tidal Sediment Yield Estimate Methodology In Virginia For The Chesapeake Bay Program Water Quality Model, C. Scott Hardaway Jr., Donna A. Milligan, Lyle M. Varnell, Julie Herman
Tidal Sediment Yield Estimate Methodology In Virginia For The Chesapeake Bay Program Water Quality Model, C. Scott Hardaway Jr., Donna A. Milligan, Lyle M. Varnell, Julie Herman
Reports
Water quality in Chesapeake Bay has degraded over the past 50 years with respect to oxygen depletion and reduced light attenuation. While the causes are numerous, sediment resuspension from wave and tidal action cloud the water column and reduce light attenuation thereby negatively affecting submerged aquatic vegetation (SAV) beds. Sediments on the Bay bottom come from upland runoff and shoreline erosion, each of which has significant contributions to the loading of sediments into estuary. The purpose of this report is to assess the present methods used to calculate sediment loading from tidal shoreline erosion that is input to the Chesapeake …
Integration Of Ecological And Socioeconomic Indicators For Estuaries And Watersheds Of The Atlantic Slope, Atlantic Slope Consortium
Integration Of Ecological And Socioeconomic Indicators For Estuaries And Watersheds Of The Atlantic Slope, Atlantic Slope Consortium
Reports
No abstract provided.
A Study Of Dissolved Oxygen Impairment, North Branch Of Onancock Creek, Accomack County, Virginia, Virginia Institute Of Marine Science
A Study Of Dissolved Oxygen Impairment, North Branch Of Onancock Creek, Accomack County, Virginia, Virginia Institute Of Marine Science
Reports
No abstract provided.
Chemical And Toxicological Characterization Of Tidal Freshwater Areas In The James River, Virginia From Jamestown Island To Jordan Point, Morris H. Roberts Jr., Mary Ann Vogelbein, Mark A. Richards, Lou Seivard
Chemical And Toxicological Characterization Of Tidal Freshwater Areas In The James River, Virginia From Jamestown Island To Jordan Point, Morris H. Roberts Jr., Mary Ann Vogelbein, Mark A. Richards, Lou Seivard
Reports
No abstract provided.
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1993 : A Report To The Virginia Department Of Environmental Quality, Kevin Curling, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1993 : A Report To The Virginia Department Of Environmental Quality, Kevin Curling, Bruce Neilson
Reports
The Chesapeake Bay Water Quality Monitoring Program (WQMP) has three main objectives: (1) characterization of water quality conditions, (2) detection of temporal and spatial trends in water quality, and (3) creation of a data base that furthers our understanding of the processes that control water quality in the Chesapeake Bay system. The purpose of this report is to characterize water quality conditions in the Virginia portion of Chesapeake Bay during the 1993 water year, which runs from October 1992 through September 1993. These monitoring efforts have been conducted with funding from the US Environmental Protection Agency and the Commonwealth of …
Data Report : Hypoxia In The James River, 1992, G. M. Sisson, A. Y. Kuo, Bruce Neilson, Nancy C. Wilson
Data Report : Hypoxia In The James River, 1992, G. M. Sisson, A. Y. Kuo, Bruce Neilson, Nancy C. Wilson
Reports
As part of the hypoxia program of the Virginia Chesapeake Bay Initiatives, the Department of Physical Sciences of the Virginia Institute of Marine Science (VIMS) conducted a series of measurements around the mouth of the James River estuary. The measurements were made in the summer of 1992. Two types of measurements were conducted: measurements at moored stations and measurements by slackwater surveys. The former collected data for investigation of dissolved oxygen (DO) variation, and associated physical parameters, in an intratidal time scale, as well as for studying the vertical distributions of the measured parameters. The latter collected data for spatial …
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1992 : A Report To The Virginia Department Of Environmental Quality, Kevin Curling, Rodney Jackson, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1992 : A Report To The Virginia Department Of Environmental Quality, Kevin Curling, Rodney Jackson, Bruce Neilson
Reports
The Chesapeake Bay Water Quality Monitoring Program (WQMP) has three main objectives: (1) characterization of water quality conditions, (2) detection of temporal trends in water q1llality, and (3) crr.ation of a data base that furthers our understanding of the proceses that control water quality in the Chesapeake Bay system. The purpose of this report is to characterize water quality conditions in the Virginia portion of Chesapeake Bay during the 1992 water year, which runs from October 1991 through September 1992. These monitoring efforts have been conducted with funding from the US Environmental Protection Agency and the Commonwealth of Virginia.
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1991 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1991 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Reports
The purpose of this report is to characterize water quality conditions during the 1991 water year, October 1990 through September 1991. Most information is provided in graphical format and only data for the Virginia portion of Chesapeake Bay is included. No interpretation is included, since data analysis is the stated purpose of several other reports. This report and companion data reports provide to both scientists and managers ready access to a portion of the data. It is possible, for example, to quickly examine seasonal patterns, compare conditions at two stations, or see if surface and bottom conditions differ significantly. Trends, …
Hypoxia In The York River, 1991, A. Y. Kuo, Bruce Neilson, J. M. Brubaker, E. P. Ruzecki
Hypoxia In The York River, 1991, A. Y. Kuo, Bruce Neilson, J. M. Brubaker, E. P. Ruzecki
Reports
This data report describes field studies conducted during the summer of 1991 by the Virginia Institute of Marine Science (VIMS) when both the physical environment and the dissolved oxygen regime were monitored, with the objective of better understanding how physical transport processes affect DO. The 1991 data sets will be presented here. Analysis and interpretation of the data is the subject of other scientific reports.
The Progression Of "No Discharge Zone" Status In Water Bodies Across The Continental United States, Melissa Chaun
The Progression Of "No Discharge Zone" Status In Water Bodies Across The Continental United States, Melissa Chaun
Reports
No abstract provided.
Sediment Processes Monitoring Data Report For Calendar Year 1989, Cheol Mo, Bruce Neilson, Richard L. Wetzel
Sediment Processes Monitoring Data Report For Calendar Year 1989, Cheol Mo, Bruce Neilson, Richard L. Wetzel
Reports
Pairs of particle interceptor traps were deployed at three depths - 3, 6, and 9 meters with deployment intervals typically lasting about two weeks. At times of deployment and retrieval, profiles of water temperature, salinity and dissolved oxygen content were made and water samples were collected at trap depths. Bottom sediments also were collected and a sub-sample of the surficial sediments taken. Water samples, bottom sediments, and the materials collected in the traps were returned to the Virginia Institute of Marine Sciences for analysis. The data collected during both 1988 and 1989 are presented in the appendices. Both 1988 and …
Dissolved Oxygen Measurements In The Machipongo River System Near Willis Wharf, Virginia, Bruce Neilson, Cheol Mo, Rodney Jackson
Dissolved Oxygen Measurements In The Machipongo River System Near Willis Wharf, Virginia, Bruce Neilson, Cheol Mo, Rodney Jackson
Reports
Most aquatic organisms require· oxygen to survive and consequently, the dissolved oxygen (DO) content of the water is one of the most important measures of water quality. Sources of oxygen are the atmosphere and photosynthesis. Oxygen is consumed by plants and animals during respiration and by microorganisms that decompose organic matter. The more sources and sinks of oxygen, the more difficult it is to understand and predict the oxygen dynamics of a river system. Grossly polluted systems turn out to be quite simple, because the pollutant source dominates. Natural, unimpacted systems often show a balance between a number of sources …
Temporal And Spatial Variations In Chesapeake Bay Water Quality: A Video Data Report, Sarah E. Rennie, Bruce Neilson
Temporal And Spatial Variations In Chesapeake Bay Water Quality: A Video Data Report, Sarah E. Rennie, Bruce Neilson
Reports
Over the past two years we have been developing computer programs to investigate various scientific visualization techniques as applied to estuarine data. The original impetus was to be able to visualize the results of the three-dimensional hydrodynamic model under development at the Virginia Institute of Marine Science, College of William and Mary (VIMS). We quickly recognized the superior ability of certain graphic approaches, especially pseudocolor animation, to efficiently transmit a tremendous amount of information to the viewer, allowing the scientist to gain an insight into the dynamics of the data not otherwise available. We decided to apply this technique to …
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1988 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1988 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Reports
The purpose of this report is to characterize water quality conditions during the 1988 water year, October 1987 through September 1988. For the most part, the information is provided in graphical format. Only data for the Virginia portion of Chesapeake Bay is included. No data analysis or interpretation is included, since this is the stated purpose of several other reports. This report will be useful to both scientists and managers who need ready access to some portion of the data on a regular basis. With this report it is possible to quickly examine seasonal patterns, compare conditions at two stations, …
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1990 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1990 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Reports
The purpose of this report is to characterize water quality conditions during the 1990 water year, October 1989 through September 1990. For the most part, the information is provided in graphical format. Only data for the Virginia portion of Chesapeake Bay is included. No data analysis or interpretation is included, since this is the stated purpose of a number of other reports. This report will be useful to both scientists and managers who need ready access to some portion of the data on a regular basis. With this report it is possible to quickly examine seasonal patterns, compare conditions at …
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1985 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1985 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Reports
The purpose of this report is to characterize water quality conditions during the 1985 water year, October 1984 through September 1985. For the most part, the information is provided in graphical format. Only data for the Virginia portion of Chesapeake Bay is included. No data analysis or interpretation is included, since this is the stated purpose of a number of other reports. We believe that the report will be useful to both scientists and managers who need ready access to some portion of the data on a regular basis. With this report one could, for example, quickly examine seasonal patterns, …
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1989 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Water Quality In Chesapeake Bay : Virginia Portion, Water Year 1989 : A Report To The Virginia Water Control Board, Kevin Curling, Bruce Neilson
Reports
The purpose of this report is to characterize water quality conditions during the 1909 water year, October 1988 through September 1989. For the most part, the information is provided in graphical format. Only data for the Virginia portion of Chesapeake Bay is included. No data analysis or interpretation i:s included, since this is the stated purpose of a number of other reports a. We believe that the report will be useful to both scientists and managers who need ready access to some portion of the data on a regular basis. With this report one could, for example, quickly examine seasonal …
Recent Areal Expansion Of Seagrass Meadows In Tampa Bay, Florida: Real Bay Improvement Or Drought-Induced?, R. R. Lewis Iii, K. D. Haddad, J.O. R. Johansson
Recent Areal Expansion Of Seagrass Meadows In Tampa Bay, Florida: Real Bay Improvement Or Drought-Induced?, R. R. Lewis Iii, K. D. Haddad, J.O. R. Johansson
Reports
Johansson and Lewis have documented improvements in water quality apparently associated with concurrent improvements to sewage treatment, particularly at the City of Tampa's Hookers Point Sewage Treatment Plant. These improvements are at least partially responsible for the significant decreases in chlorophyll a and increase in water clarity documented in Hillsborough Bay and Middle Tampa Bay.
Eutrophication Of Lake Matoaka Assessment And Projection, Bruce Neilson, Gary F. Anderson, Martha Rhodes
Eutrophication Of Lake Matoaka Assessment And Projection, Bruce Neilson, Gary F. Anderson, Martha Rhodes
Reports
No abstract provided.
Sediment Nutrient Flux Data From A Seasonal Simulation Of Water Chemistry In Gunston Cove, Va, B. E. Baker, C. F. Cerco
Sediment Nutrient Flux Data From A Seasonal Simulation Of Water Chemistry In Gunston Cove, Va, B. E. Baker, C. F. Cerco
Reports
No abstract provided.
Recent Improvements Of Water Quality And Biological Indicators In The North-Eastern Tampa Bay, City Of Tampa Bay Department Of Sanitary Sewers
Recent Improvements Of Water Quality And Biological Indicators In The North-Eastern Tampa Bay, City Of Tampa Bay Department Of Sanitary Sewers
Reports
Simple analysis of our data clearly indicate that water quality conditions in north-eastern Tampa Bay has improved during our study. Further, there are no indications that this improvement has yet climaxed.
Hydrodynamic And Water Quality Measurements In The Appomattox River : A Report To The City Of Petersburg, Virginia Institute Of Marine Science
Hydrodynamic And Water Quality Measurements In The Appomattox River : A Report To The City Of Petersburg, Virginia Institute Of Marine Science
Reports
No abstract provided.
Pamunkey River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1970 - 1980, T. J. Brooks
Pamunkey River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1970 - 1980, T. J. Brooks
Reports
This report contains station locations, survey schedules, field procedures, sample handling procedures, and data reduction and storage procedures. In addition, 11 years of contoured temperature, salinity, and dissolved oxygen data is presented.
Mattaponi River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1970 - 1980, T. J. Brooks
Mattaponi River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1970 - 1980, T. J. Brooks
Reports
This report contains station locations, survey schedules, field procedures, sample handling procedures, and data reduction and storage procedures. In addition, 9 years of contoured temperature, salinity, and dissolved oxygen data is presented.
James River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1971 - 1980, T. J. Brooks, C. S. Fang
James River Slack Water Data Report : Temperature, Salinity, Dissolved Oxygen, 1971 - 1980, T. J. Brooks, C. S. Fang
Reports
The slack water survey program, which has been supp orted by the State Water Control Board and the Virginia Institute of Marine Science under the Cooperative State Agencies program, provides an extended series of tem perature, salinity, dissolved oxygen and nutrient measurements along the James River. These have been used to: 1) establish, verify, and update mathe matical and physical hydraulic models; 2) provide a baseline against which effects of unusual events have been measured; and could be used to: 3) es tablish annu al and longer period 11 climatological" trends in response to changing natural phenomena and man-made modifica …
Chesapeake Bay Baseline Data Acquisition Appendix X: Effects Of Boating And Shipping On Water Quality, Chesapeake Research Consortium, Incorporated, University Of Maryland, Center For Environmental And Estuarine Studies, Virginia Institute Of Marine Science
Chesapeake Bay Baseline Data Acquisition Appendix X: Effects Of Boating And Shipping On Water Quality, Chesapeake Research Consortium, Incorporated, University Of Maryland, Center For Environmental And Estuarine Studies, Virginia Institute Of Marine Science
Reports
No abstract provided.
Plant Geography And Water Quality Data For Chesapeake Bay Waters Of Virginia's Eastern Shore, John C. Munday Jr., Paul L. Zubkoff, J. Ernest Warinner Iii, Elvira Ferrez-Reyes, Hayden H. Gordon, Kenneth A. Moore
Plant Geography And Water Quality Data For Chesapeake Bay Waters Of Virginia's Eastern Shore, John C. Munday Jr., Paul L. Zubkoff, J. Ernest Warinner Iii, Elvira Ferrez-Reyes, Hayden H. Gordon, Kenneth A. Moore
Reports
Plant geography and water quality data were collected in shallow water near Cape Charles and Occohannock Creek, Virginia on two occasions. Data from April, 1978 included hydrography, distribution and abundance of -submerged aquatic vegetation, phytoplankton census, and water clarity data. Data from May, 1978 included hydrography, phytoplankton census, water clarity, and primary productivity data. The May data collection was coincident with an overflight of the NASA JSC C-130 aircraft (6600 m) acquiring color infrared photography and multispectral scanner data; cell concentrations reached 105/ml, chlorophyll~ 72 pg/1, and suspended sediment 94 mg/1. i
Chesapeake Bay Baseline Data Acquisition Appendix Iv Eutrophication, Chesapeake Research Consortium, Incorporated, University Of Maryland, Center For Environmental And Estuarine Studies, Virginia Institute Of Marine Science
Chesapeake Bay Baseline Data Acquisition Appendix Iv Eutrophication, Chesapeake Research Consortium, Incorporated, University Of Maryland, Center For Environmental And Estuarine Studies, Virginia Institute Of Marine Science
Reports
No abstract provided.
Salinity And Temperature Monitoring System Data For The Lower Rappahannock River Estuary, 1972-1974, G. C. Parker, C. S. Fang
Salinity And Temperature Monitoring System Data For The Lower Rappahannock River Estuary, 1972-1974, G. C. Parker, C. S. Fang
Reports
The Virginia Institute of Marine Science (VIMS) installed two remote monitoring stations in the lower reaches of the Rappahannock River to obtain continuous temperature and salinity measurements near the surface and the bottom. The first station was installed at the base of a concrete support of the Rappahannock River (Norris) Bridge, near the mouth of the, river (Figure 1). The second station was installed on the base of Navigation Aid Tower Number 9 just off of Smokey Point, roughly 11 nautical miles upstream from the Norris Bridge. Each station consisted of two salinity and t«~perature probes, one located 6 feet …