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These files were used to construct corridors estimating the extent of new coastal corridors exposed by reduced lake levels. They are included here to show the available horizontal extent of lidar-derived topo-bathymetric data and thus explicitly identify gaps and limitations of predicted corridor extents under various reduced lake level scenarios. In addition, these files provide users with a background layer that depicts the topographic variability of the submerged near-shore lake bed and terrestrial landscape.These files are 5m grid representations of the hydrographic and topographic data collected by the CHARTS system along the coasts of the U.S. sides of Lake Michigan, Lake Huron, Lake St. Clair, Lake Erie,...
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Rock samples (n=4) of anhydrite with rounded nodules of braitschite, a hydrous calcium rare-earth borate mineral. Samples are from the Cane Creek Potash Mine, Texas Gulf Sulphur Company, located in Grand County, UT, south of Moab, Utah. The samples were discovered in the marine evaporites in the Paradox Member of the Hermosa Formation of Pennsylvanian age in the Paradox basin. The zone of braitschite nodules occurs in depths from 3,000 to 3,500 feet. The braitschite was found in pinkish to white nodules that are approximately 65% braitschite and approximately 35% quartz, anhydrite, dolomite, halite as well as minor amounts of hematite and the occassional crystals of chalcopyrite. Sample material was collected in...
The Chicot aquifer system underlies an area of approximately 9,500 mi2 in southwestern Louisiana and is located within the Gulf Coastal Plain physiographic province. The region includes all or parts of 15 parishes -- Vernon, Rapides, Evangeline, Allen, Beauregard, Calcasieu, Jefferson Davis, Acadia, St. Landry, Lafayette, St. Martin, Cameron, Iberia, Vermilion, and St. Mary. The Chicot aquifer system is a major source of groundwater for southwestern Louisiana, accounts for approximately 48 percent of all groundwater use in the State, and provides freshwater for public supply, industry, agriculture, and aquaculture (Collier and Sargent, 2018). Withdrawals of groundwater have created water-level gradients favorable...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Acadia Parish, Allen Parish, Beauregard Parish, CLAS, Calcasieu Parish, All tags...
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Maps of areas greater than 0.2 hectare (0.5 acre) dominated by invasive Phragmites australis were created for the coastal region (shoreline to 10 km inland) of the United States side the Great Lakes and connecting water ways. The maps were developed using unsupervised/supervised classification methods and ground truth data collected during 2010 and 2011 in conjunction with multi-season ALOS PALSAR imagery (for the remote sensing-based iterative classification process), as well as through the interpretation of aerial photography to reduce classification confusion. Overall classification accuracy compared to field data for mapping was approximately 86%.
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These data represent coastal corridors exposed by lake levels reduced from mean 2009 water surface elevations. These elevations were established by values published by the United States Army Corps of Engineers (USACE), and based on a network of multiple gages within each lake. The corridors were derived from two data sources: 5-m resolution lidar-based topo-bathymetry produced by the USACE Joint Airborne Lidar-Based Technical Center of eXpertise (JALBTCX) and the National Oceanic and Atmospheric Administration (NOAA) Coastal Services Center, and bathymetric contour lines produced by the NOAA Great Lakes Environmental Research Laboratory (GLERL). The JALBTCX lidar-based topo-bathymetry were used to produce representations...
This project is intended to address a high priority science need for the North Atlantic Landscape Conservation Cooperative (LCC): the need to enhance the capacity of partners to assess and design sustainable landscape conservation for wildlife across the eastern United States. Specifically, this project is intended to address elements 1b) of a broader Designing Sustainable Landscapes project: 1. Assess the current capability of habitats in the North Atlantic LCC to support sustainable wildlife populations a. Select representative terrestrial wildlife species b. Develop habitat relationship models for representative species c. Predict capability of current landscape to support populations of representative species...
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This dataset was developed as part of a long-term project monitoring the ecological health of the Crown of the Continent Ecosystem (CCE). This effort is a collaborative project between National Park Service Rocky Mountain Inventory and Monitoring Network (ROMN) (Landscape Dynamics Vital Sign), Crown Managers Partnership, Ecological Health Subcommittee (CMP EH) (Landscapes Indicator), and University of Calgary, Geography Department. Purpose and goals of the Crown Manager's Partnership and the Rocky Mountain Network Vital Signs monitoring programs are available at the respective websites. The purpose of our collaborative effort is to share knowledge and resources on the various GIS and ecological monitoring data available...
    map background search result map search result map Lidar Topo-Bathymetry Coastal Corridors Vulnerable Under Reduced Lake Level Scenarios Invasive Phragmites Stands CCE Fire History (20111120) Chicot Aquifer System Extent in Southwestern Louisiana, October 2020 Samples of Braitschite from the Cane Creek Potash Mine in Southeast Utah Collected in 1966 Chicot Aquifer System Extent in Southwestern Louisiana, October 2020 CCE Fire History (20111120) Lidar Topo-Bathymetry Invasive Phragmites Stands Coastal Corridors Vulnerable Under Reduced Lake Level Scenarios