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2002 Water-Table Contours of the Mojave River and the Morongo Ground-Water Basins, San Bernardino County, California
Zusammenfassung
- Art der Freigabe
- ongoing release of a series of related datasets
- Datenlizenz
- Not Applicable
- Inhaltslizenz
- Creative Commons CCZero
- Bestätigung
- automatisiert zertifiziert
- Veröffentlichungsdatum
- 15 March 2013
- Änderungsdatum
- 17 November 2014
- Aktualisierungshäufigkeit
- notPlanned
- Herausgeber
- U.S. Geological Survey, Department of the Interior
- Identifier
- 2002-water-table-contours-of-the-mojave-river-and-the-morongo-ground-water-basins-san-bernardin
- Landing Page
- http://catalog.data.gov/dataset/2002-water-table-contours-of-the-mojave-river-and-the-morongo-ground-water-basins-san-bernardin
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Beschreibung
The Mojave River and Morongo ground-water basins are in the southwestern part of the Mojave Desert in southern California. Ground water from these basins supplies a major part of the water requirements for the region. The continuous population growth in this area has resulted in ever-increasing demands on local ground-water resources. The collection and interpretation of ground-water data helps local water districts, military bases, and private citizens gain a better understanding of the ground-water flow systems, and consequently, water availability. During 2002, the U.S. Geological Survey and other agencies made approximately 2,500 water-level measurements in the Mojave River and Morongo ground-water basins. These data document recent conditions and, when compared with previous data, changes in ground-water levels. A water-level contour map was drawn using data from about 660 wells, providing coverage for most of the basins. Twenty-eight hydrographs show long-term (up to 70 years) water-level conditions throughout the basins, and 9 short-term (1997 to 2002) hydrographs show the effects of recharge and discharge along the Mojave River. In addition, a water-level-change map was compiled to compare 2000 and 2002 water levels throughout the basins. In the Mojave River ground-water basin, about 66 percent of the wells had water-level declines of 0.5 ft or more since 2000 and about 27 percent of the wells had water-level declines greater than 5 ft. The only area that had water-level increases greater than 5 ft that were not attributed to fluctuations in nearby pumpage was in the Harper Lake (dry) area where there has been a significant reduction in pumpage during the last decade. In the Morongo ground-water basin, about 36 percent of the wells had water-level declines of 0.5 ft or more and about 10 percent of the wells had water-level declines greater than 5 ft. Water-level increases greater than 5 ft were measured only in the Warren subbasin, where artificial-recharge operations have caused water levels to rise almost 60 ft since 2000.
Allgemeine Informationen
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Die Beschreibung der Daten befindet sich unter
http://catalog.data.gov/dataset/2002-water-table-contours-of-the-mojave-river-and-the-morongo-ground-water-basins-san-bernardin Do you think this data is incorrect? Let us know
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Die Daten werden veröffentlicht von…
U.S. Geological Survey, Department of the Interior Do you think this data is incorrect? Let us know
Rechtliche Information
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Die Nutzungsbestimmungen finden sich unter
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Under which licence can people outside the US reuse this data?
Creative Commons CCZero Do you think this data is incorrect? Let us know
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Es gibt
yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know
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Einen Ansprechpartner zu diesen Daten finden Sie unter
http://catalog.data.gov/dataset/2002-water-table-contours-of-the-mojave-river-and-the-morongo-ground-water-basins-san-bernardin Do you think this data is incorrect? Let us know
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Wie sie Verbesserungen dieser Daten vorschlagen können erfahren Sie unter
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