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This dataset depicts watershed boundaries with a minimum size of 35 square kilometers for the Caribbean region.
Using watersheds derived from a hydrologically-corrected 30m resolution DEM as a unit for summary statistics, we provide a series of indicators focused on land-based sources of threat within the US Virgin Islands and Puerto Rico. This includes indicators of a) the relative vulnerability of the land to erosion (based on slope, precipitation and soil erodibility); b) the relative erosion potential (REP) of the land, based on the relative vulnerability of the land, coupled with the current land cover type; c) the sediment delivery rate for each basin (percentage of eroded which reaches the river mouth); d) estimated sediment delivery for the basin, given current land use;
Climatic elements, such as temperature, precipitation, snow, wind, pressure, etc., are included and intended to portray the climate of the United States. The point data used to create the maps came from the National Climatic Data Center's extensive climate data archives. GIS tools used include ESRI's ArcInfo, ArcView, ArcIMS, as well as PRISM, a proprietary climate model. The Atlas' internet interface (html and javascript) communicates with ArcIMS to render the images.
Categories: Data;
Types: Application;
Tags: National Climate Data Center,
United States,
Wyoming,
climate,
climate data,
Agriculture, though important to economic development and food security, is a source of increased sediment, nutrient, and pesticide runoff. Threats from sedimentation and pollution from inland sources were modeled for over 3,000 watersheds discharging into the Caribbean.
This dataset depicts threats from marine-based sources evaluated based on distance to ports, stratified by size; intensity of cruise ship visitation; and distance to oil and gas infrastructure, processing, and pipelines.
Agriculture, though important to economic development and food security, is a source of increased sediment, nutrient, and pesticide runoff. Threats to coral reefs from sedimentation and pollution from inland sources were modeled for over 3,000 watersheds discharging into the Caribbean.
Threats to coral reefs from fishing pressure evaluated based on coastal population density and shelf area (up to 30 m depth) within 30 km of reef. Analysis calibrated using survey observations of coral reef fish abundance. Management effectiveness included as mitigating factor for threats to reefs inside marine protected areas (MPAs).
This dataset depicts relative erosion rate by land cover type derived for all land draining above the Mesoamerican Reef. The indicators developed by the Reefs at Risk in the Caribbean project enable detailed comparative analyses of threats on many scales. The Reefs at Risk indicators are a simplification of human activities and complex natural processes. This data set was derived at the World Resources Institute for input to the sedimentation and pollution from watershed based sources threat analysis. Agriculture, though important to economic development and food security, is a source of increased sediment, nutrient, and pesticide runoff. Threats from sedimentation and pollution from inland sources were modeled...
An indicator of relative sediment delivery at the river mouth for each of over 3,000 watersheds draining into the Caribbean Sea and Gulf of Mexico.
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Downloadable,
Map Service;
Tags: Alabama (AL),
Caribbean,
Florida (FL),
Gulf of Mexico,
Gulf of Mexico,
Threats to coral reefs from marine-based sources evaluated based on distance to ports, stratified by size; intensity of cruise ship visitation; and distance to oil and gas infrastructure, processing, and pipelines.
This dataset shows threats to coral reefs from marine-based sources evaluated based on distance to ports, stratified by size; intensity of cruise ship visitation; and distance to oil and gas infrastructure, processing, and pipelines.
For areas with roads, we have developed a simple indicator of the erosivity of the land based on physical factors of the location (slope, precipitation, and a soil characteristic called K-factor, which reflects the erodibility of the given soil type.) This indicator provides a rough indication of the relative erosion that might result from road construction and runoff from roads in the range of locations on the US Virgin Islands. It identifies the roads likely to be contributing the most erosion to the watershed.
An indicator of relative sediment delivery at the river mouth for each of over 3,000 watersheds draining into the Caribbean Sea and Gulf of Mexico.
This dataset depicts integrated threats to reefs in the Mesoamerican region. To capture cumulative threat in a given location, the four threats in the Reefs at Risk Caribbean analysis - coastal development, marine-based, sedimentation and overfishing - were integrated into a single index - the Reefs at Risk Threat Index.
Beaches and water recreation are important to the South Padre Island, Texas area and across the United States. The movement of sediment in channels along beaches and the nearshore environment is important for coastal stakeholders and resource managers. Sediment removed by maintenance dredging is often placed back into the littoral system for potential beach replenishment. The movement of sediment from offshore berms to onshore beaches is not well known. Sediment transport is highly dependent on local current conditions and seasonal conditions. The U.S. Geological Survey, in cooperation with the City of South Padre Island, completed an oceanographic field study from August 2018 to February 2019 to investigate the...
Idealized, basin-scale sharp-interface models of CO2 injection were constructed for the Illinois basin. Porosity and permeability were decreased with depth within the Mount Simon Formation. Eau Claire confining unit porosity and permeability were kept fixed. We used 726 injection wells located near 42 power plants to deliver 80 million metric tons of CO2/year. After 100 years of continuous injection, deviatoric fluid pressures varied between 5.6 and 18 MPa across central and southern part of the Illinois basin. Maximum deviatoric pressure reached about 50% of lithostatic levels to the south. The pressure disturbance (>0.03 MPa) propagated 10-25 km away from the injection wells resulting in significant well-well...
Categories: Publication;
Types: Citation;
Tags: Brine transport,
CO2,
Earthquakes,
Illinois basin,
Mount Simon,
Summary statistics for relative erosion rate (REP), river flow, and sediment delivery estimated for each of over 3,000 watersheds draining into the Caribbean Sea and Gulf of Mexico. This dataset is a combination of the region wide 1 km analysis and the higher resolution 270 m analysis for the islands of the eastern caribbean.
Using basins derived from a hydrologically-corrected 30m resolution DEM as a unit for summary statistics, we provide a series of indicators focused on land-based sources of threat within the USVI. This includes indicators of a) the relative vulnerability of the land to erosion (based on slope, precipitation and soil erodibility); b) the relative erosion potential (REP) of the land, based on the relative vulnerability of the land, coupled with the current land cover type; c) the sediment delivery rate for each basin (percentage of eroded which reaches the river mouth); d) estimated sediment delivery for the basin, given current land use; e) the road density within the basin, and f) indicators of how erosion prone...
This dataset depicts threats to coral reefs from fishing pressure evaluated based on coastal population density and shelf area (up to 30 m depth) within 30 km of reef. Analysis calibrated using survey observations of coral reef fish abundance. Management effectiveness included as mitigating factor for threats to reefs inside marine protected areas (MPAs).
This dataset shows threats to coral reefs from fishing pressure evaluated based on coastal population density and shelf area (up to 30 m depth) within 30 km of reef. Analysis calibrated using survey observations of coral reef fish abundance. Management effectiveness included as mitigating factor for threats to reefs inside marine protected areas (MPAs).
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