Filters: Tags: Contiguous United States (X) > Types: Map Service (X)

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Major-Ions Dataset Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter is an unconventional source of water that may offer a partial solution to current (2016) and future water challenges. In support of the National Water Census, the U.S. Geological Survey has completed a BGW assessment to gain a better understanding of the occurrence and character of BGW resources of the United States as an alternative source of water. Analyses completed as part of this assessment relied on previously collected data from multiple sources, and no new data were collected. One of the most important contributions of this assessment was the creation of a database... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, American Samoa, Guam, Hawaii, Puerto Rico, All tags... TDS, U.S. Virgin Islands, United States, aquifers, brackish, contiguous United States, dissolved solids, groundwater, inlandWaters, major ions, saline, total dissolved solids, trace elements, Fewer tags Dissolved-Solids Dataset Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter is an unconventional source of water that may offer a partial solution to current (2016) and future water challenges. In support of the National Water Census, the U.S. Geological Survey has completed a BGW assessment to gain a better understanding of the occurrence and character of BGW resources of the United States as an alternative source of water. Analyses completed as part of this assessment relied on previously collected data from multiple sources, and no new data were collected. One of the most important contributions of this assessment is the creation of a database... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, American Samoa, Guam, Hawaii, Puerto Rico, All tags... TDS, U.S. Virgin Islands, United States, aquifers, brackish, contiguous United States, dissolved solids, groundwater, inlandWaters, major ions, saline, total dissolved solids, trace elements, Fewer tags 1993 and 2019 Case Studies of Mississippi River Basin Extreme Precipitation Events and Floodings In 1993 and 2019, the Mississippi River Basin (MRB) experienced unprecedentedly persistent extreme precipitation events that resulted in a notable number of catastrophic flooding episodes. These floods caused disruption to almost every area of human endeavor and brought widespread damage to agricultural lands, homes, businesses, and infrastructure. These large flood events were associated with extreme rainfall events over an extended period and encompassed a number of U.S. states. We conducted two case studies: the MRB flooding events of 1993 and 2019. For each case study, we conducted a literature review and examined the sequence of extreme precipitation events and the evolution of flooding. We identified synoptic-scale... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arctic Oscillation Index, Geopotential Height Anomalies, Mississippi River Basin, North Atlantic Oscillation Index, Pacific-North American Pattern, All tags... Precipitable Water, Precipitation, Sea Surface Temperature Anomalies, Southern Oscillation Index, climatologyMeteorologyAtmosphere, contiguous United States, Fewer tags Geochemical and Geophysical Characteristics of the Conterminous United States Dataset consists of individual rasters, each describing a separate geochemical or geophysical attribute. See "Child Items" to browse and select desired rasters, download associated service definition file, and unzip to access rasters formatted as geoTiffs. Categories: Data, Map; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Contiguous United States, Geochemical Data, Geophysical Data, National Water Quality Program, USGS Science Data Catalog (SDC), All tags... geologic, Fewer tags