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Author:
Publisher:
ISBN:
Category : Geological mapping
Languages : en
Pages : 618
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Author:
Publisher:
ISBN:
Category : Geological mapping
Languages : en
Pages : 618
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ISBN:
Category : Digital mapping
Languages : en
Pages : 2
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ISBN:
Category : Government publications
Languages : en
Pages : 1154
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Author: James Carroll Petersen
Publisher:
ISBN:
Category : Buffalo River (Ark.)
Languages : en
Pages : 108
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Category : Hydrography
Languages : en
Pages : 2
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Category : Electronic government information
Languages : en
Pages : 208
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Author: Paul Inkenbrandt
Publisher: Utah Geological Survey
ISBN: 1557918910
Category : Base flow (Hydrology).
Languages : en
Pages : 122
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Book Description
This 116-page report presents the results of an investigation by the Utah Geological Survey of land subsidence and earth fissures in Cedar Valley, Iron County, Utah. Basin-fill sediments of the Cedar Valley Aquifer contain a high percentage of fine-grained material susceptible to compaction upon dewatering. Groundwater discharge in excess of recharge (groundwater mining) has lowered the potentiometric surface in Cedar Valley as much as 114 feet since 1939. Groundwater mining has caused permanent compaction of fine-grained sediments of the Cedar Valley aquifer, which has caused the land surface to subside, and a minimum of 8.3 miles of earth fissures to form. Recently acquired interferometric synthetic aperture radar imagery shows that land subsidence has affected approximately 100 mi² in Cedar Valley, but a lack of accurate historical benchmark elevation data over much of the valley prevents its detailed quantification. Continued groundwater mining and resultant subsidence will likely cause existing fissures to lengthen and new fissures to form which may eventually impact developed areas in Cedar Valley. This report also includes possible aquifer management options to help mitigate subsidence and fissure formation, and recommended guidelines for conducting subsidence-related hazard investigations prior to development.
Author: Zhilin Li
Publisher: CRC Press
ISBN: 0203486749
Category : Technology & Engineering
Languages : en
Pages : 337
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Book Description
Written by experts, Digital Terrain Modeling: Principles and Methodology provides comprehensive coverage of recent developments in the field. The topics include terrain analysis, sampling strategy, acquisition methodology, surface modeling principles, triangulation algorithms, interpolation techniques, on-line and off-line quality control in data a
Author: Claudia C. Faunt
Publisher: Geological Survey
ISBN: 9781411325159
Category : Nature
Languages : en
Pages : 0
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Author: Sharon E. Kroening
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 122
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