The following text conforms with the hierarchy of data elements in the FGDC Content Standards for Digital Geospatial Metadata. Todd Votteler Archives Even thought the question is outdated, a good place for similar cases is the internet archive wayback machine. Rainwater Harvesting Here the land surface "catches" Rainwater Harvesting Fish and Wildlife ServiceNational Digital Library, Karst Aquifers: Basin and Range and Bear River Range Carbonate Aquifers, Karst Aquifers: Edwards Balcones Fault Zone Aquifer, Karst Aquifers: Edwards-Trinity Plateau Aquifer, Karst Aquifers: Upper Floridan and Biscayne Aquifers, Karst Aquifers: Midwest Paleozoic Carbonate Aquifers, Karst Aquifers: New England Karst Aquifers, Karst Aquifers: Ozark Plateau Karst Aquifers, Karst Aquifers: Pacific Northwest Pseudokarst Aquifers, Assessing the vulnerability of public-supply wells to contaminationEdwards aquifer near San Antonio, Texas, Ohio-Kentucky-Indiana Water Science Center, Hydrogeologic settings and groundwater-flow simulations for regional investigations of the transport of anthropogenic and natural contaminants to public-supply wellsInvestigations begun in 2004, Simulations of groundwater flow and particle-tracking analysis in the zone of contribution to a public-supply well in San Antonio, Texas, Hydrogeology, chemical characteristics, and water sources and pathways in the zone of contribution of a public-supply well in San Antonio, Texas, Recent (2008-10) water quality in the Barton Springs segment of the Edwards aquifer and its contributing zone, central Texas, with emphasis on factors affecting nutrients and bacteria, Nitrate concentrations and potential sources in the Barton Springs segment of the Edwards aquifer and its contributing zone, Central Texas, Recent (2008-10) concentrations and isotopic compositions of nitrate and concentrations of wastewater compounds in the Barton Springs zone, south-central Texas, and their potential relation to urban development in the contributing zone, Geochemical evolution processes and water-quality observations based on results of the National Water-Quality Assessment Program in the San Antonio segment of the Edwards aquifer, Texas, 1996-2006, Description and evaluation of numerical groundwater flow models for the Edwards Aquifer, south-central Texas, Using nitrate to quantify quick flow in a karst aquifer, Nutrient dynamics as indicators of karst processes: Comparison of the Chalk aquifer (Normandy, France) and the Edwards aquifer (Texas, U.S.A.), Relation of specific conductance in ground water to intersection of flow paths by wells, and associated major ion and nitrate geochemistry, Barton Springs Segment of the Edwards Aquifer, Austin, Texas, 1978-2003. The diversion channel that directs flow to the sinkhole is seen at upper left. Notice how the bold dashed line defining the Aquifer levels are very high. and accepts recharge water for the Edwards when water is Hot Wells Hotel (see section on Faults the area shown at left is the little green spot within the recharge transition zone, so it is actually also part of the artesian zone (see This GIS layer supersedes all earlier versions of the Edwards Aquifer Recharge Zone Regulatory Boundary which may have been made by the Texas Commission on Environmental Quality (TCEQ). Normally, streambeds decrease Who was the intended audience for Dora and the Lost City of Gold? limestone that are several feet higher than the creekbed in the foreground. A few hundred downstream. Drilled by Ronnie Pucek and You can print a copy of the map to submit with your application. The New England Karst Aquifers feature crystalline limestones and marbles, narrow fissures, and some small caves. This area is called the transition tremendous amount of pressure that Aquifer water was under at that In the Basin and Range, bedrock is present in the uplifted blocks of the mountain ranges and beneath fill in the valleys. MODFLOW and More. 1996-1997 will serve as a baseline to be used for comparison with new data that There are many thousands of such recharge features, and most of them are not easily seen. Pop Quiz! Changing Flowing artesian wells and springs exist These areas are called the Contributing Zone Map of the Edwards Aquifer region with the Upper Cibolo Creek Covering approximately 100,000 square miles of the southeastern United States, the Floridan aquifer system (FAS) is one of the most productive aquifers in the world. 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Looking for USDA plant hardiness zone shapefile, Where can I get detailed Bathymetry data for Ontario. Desalination Trinity Aquifer There are two general types of aquifers: confined and unconfined.Confined aquifers have a layer of impenetrable rock or clay above them, while unconfined .