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Author: Janet M. Carter
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 8
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Book Description
Author: Janet M. Carter
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 8
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Book Description
Author: Water Resources Council (U.S.). Hydrology Committee
Publisher:
ISBN:
Category : Flood forecasting
Languages : en
Pages : 232
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Book Description
Author:
Publisher:
ISBN:
Category : Geological mapping
Languages : en
Pages : 212
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Book Description
Author: Donald O. Rosenberry
Publisher: CreateSpace
ISBN: 9781500222819
Category : Technology & Engineering
Languages : en
Pages : 132
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Book Description
Interest in the use and development of our Nation's surface - and ground-water resources has increased significantly during the past 50 years. This work discusses field techniques for estimating water fluxes.
Author: James F. Coles
Publisher:
ISBN:
Category : Stream ecology
Languages : en
Pages : 138
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Book Description
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: Robert A. Renken
Publisher: U S Geological Survey
ISBN: 9780607993615
Category : Science
Languages : en
Pages : 139
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Book Description
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309465567
Category : Science
Languages : en
Pages : 113
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Book Description
The Superfund program of the US Environmental Protection Agency (EPA) was created in the 1980s to address human-health and environmental risks posed by abandoned or uncontrolled hazardous-waste sites. Identification of Superfund sites and their remediation is an expensive multistep process. As part of this process, EPA attempts to identify parties that are responsible for the contamination and thus financially responsible for remediation. Identification of potentially responsible parties is complicated because Superfund sites can have a long history of use and involve contaminants that can have many sources. Such is often the case for mining sites that involve metal contamination; metals occur naturally in the environment, they can be contaminants in the wastes generated at or released from the sites, and they can be used in consumer products, which can degrade and release the metals back to the environment. This report examines the extent to which various sources contribute to environmental lead contamination at Superfund sites that are near lead-mining areas and focuses on sources that contribute to lead contamination at sites near the Southeast Missouri Lead Mining District. It recommends potential improvements in approaches used for assessing sources of lead contamination at or near Superfund sites.
Author: Timothy T. Bartos
Publisher:
ISBN:
Category : Coalbed methane
Languages : en
Pages : 100
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Book Description
Author: Claudia C. Faunt
Publisher: Geological Survey
ISBN: 9781411325159
Category : Nature
Languages : en
Pages : 0
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Book Description
