Case Study For Delineating A Contributing Area To A Well In A Fractured Siliciclastic Bedrock Aquifer Near Lansdale Pennsylvania
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Case Study For Delineating A Contributing Area To A Well In A Fractured Siliciclastic Bedrock Aquifer Near Lansdale Pennsylvania
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Author :
language : en
Publisher:
Release Date : 2003
Case Study For Delineating A Contributing Area To A Well In A Fractured Siliciclastic Bedrock Aquifer Near Lansdale Pennsylvania written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Electronic government information categories.
Case Study For Delineating A Contributing Area To A Well In A Fractured Siliciclastic Bedrock Aquifer Near Lansdale Pennsylvania
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Author :
language : en
Publisher:
Release Date : 2003
Case Study For Delineating A Contributing Area To A Well In A Fractured Siliciclastic Bedrock Aquifer Near Lansdale Pennsylvania written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Groundwater flow categories.
Case Study For Delineating A Contributing Area To A Water Supply Well In A Fractured Crystalline Bedrock Aquifer Stewartstown Pennsylvania
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Author :
language : en
Publisher:
Release Date : 1999
Case Study For Delineating A Contributing Area To A Water Supply Well In A Fractured Crystalline Bedrock Aquifer Stewartstown Pennsylvania written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Groundwater categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 2003-07
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-07 with Government publications categories.
Water Resources Investigations Report
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Author :
language : en
Publisher:
Release Date : 2002
Water Resources Investigations Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Hydrology categories.
Delineation Of Water Sources For Public Supply Wells In Three Fractured Bedrock Aquifer Systems In Massachusetts
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Author : Forest P. Lyford
language : en
Publisher:
Release Date : 2003
Delineation Of Water Sources For Public Supply Wells In Three Fractured Bedrock Aquifer Systems In Massachusetts written by Forest P. Lyford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Hydrogeology categories.
... Studied fractured-bedrock aquifer systems in West Newbury (in the Eliot Formation), Maynard (in the Nashoba Formation), and Paxton (in the Paxton and Littleton Formations) to advance methods of data collection and analysis for delineating contributing areas to public-supply wells completed in fractured rock and for determining the effects of pumping on streams and wetlands ...
Delineation Of Wellhead Protection Areas In Fractured Rocks
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Author :
language : en
Publisher:
Release Date : 1991
Delineation Of Wellhead Protection Areas In Fractured Rocks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Wellheads categories.
Vulnerability Of Urban Public Supply Wells In Fractured Siliciclastic Aquifer Systems
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Author :
language : en
Publisher:
Release Date : 2012
Vulnerability Of Urban Public Supply Wells In Fractured Siliciclastic Aquifer Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Approximately one third of the U.S. population uses public supply wells (PSWs) as their drinking water source and recently a greater focus has been placed on assessing the risk of contaminants entering PSWs. Among the many contaminants of concern are chemical and microbiological indicators of wastewater contamination. This research project used a variety of field methods to better understand the primary mechanisms that control the transport of human enteric viruses and other wastewater contaminants in bedrock multi-aquifer systems and to develop effective methods for assessing the vulnerability of PSWs in such settings. At a field site in Madison, WI, borehole investigations suggest that fractures in siliclastic bedrock are important transport pathways from the surface to the deep aquifer. Some fractured intervals have transmissivity values several orders of magnitude higher than non-fractured intervals. In a siliciclastic aquifer near a public supply well, fractures may have an important role in the transport of sewer-derived wastewater contaminants. Reverse water-level fluctuations (RWFs), a phenomenon in which water levels rise briefly in response to pumping, were detected in monitoring wells. Data from pressure transducers located at varying depths and distances from a PSW suggest that the RWFs propagate rapidly through fractures to influence wells hundreds of meters from the pumping well. The rate and cycling frequency of pumping is an important factor in the magnitude of RWFs. The pattern of RWF propagation can be used to better define fracture connectivity in an aquifer system. Time sequenced sampling for geochemical wastewater indicators and human enteric viruses is a useful tool for characterizing transport within an aquifer system. There is an apparent connection between recharge events and increased flow in sanitary sewers and, based on limited data, these increased wastewater flows appear linked with virus detection in groundwater at short times after these events. In order to accurately assess the vulnerability of PSWs to near surface contaminants it is important to characterize fracture flow and the impact of PSW pumping. The use of RWFs to determine fracture connectivity is an important method to accomplish this goal.
Evaluation Of Methods For Delineating Areas That Contribute Water To Wells Completed In Valley Fill Aquifers In Pennsylvania
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Author : Dennis W. Risser
language : en
Publisher:
Release Date : 1994
Evaluation Of Methods For Delineating Areas That Contribute Water To Wells Completed In Valley Fill Aquifers In Pennsylvania written by Dennis W. Risser and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Groundwater categories.
Scientific Investigations Report
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Author : Sharon E. Kroening
language : en
Publisher:
Release Date : 2004
Scientific Investigations Report written by Sharon E. Kroening and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Earth sciences categories.
