Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993
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Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993
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Author : Dana W. Kolpin
language : en
Publisher:
Release Date : 1995
Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993 written by Dana W. Kolpin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agricultural chemicals categories.
The historic stream flooding and intense rainfall across the upper Mississippi River Basin during summer 1993 had an immediate effect on near-surface unconsolidated aquifers by raising the water levels closer to the land surface. The objective of this study was to determine if this flooding also had immediate effects on ground-water quality. Water samples were collected during September and October 1993 from 110 wells completed in near-surface unconsolidated aquifers and were analyzed for herbicides, herbicide metabolites, inorganic nutrients, and volatile organic compounds. The results of these samples were compared with those obtained during summer 1991 or 1992. Water samples from the Missouri River alluvial aquifer had a fourfold increase in the frequency of herbicide detection. There also appears to be a relation between increases in total herbicide concentration and the occurrence of stream flooding near a well. Water samples from wells that had at least a 20% increase in dissolved-oxygen concentration had the greatest frequency of substantial changes in total herbicide concentration and substantial increases in nitrate concentration.
Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993
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Author : Dana W. Kolpin
language : en
Publisher:
Release Date : 1984
Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993 written by Dana W. Kolpin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Agricultural chemicals categories.
Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993
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Author : Dana W. Kolpin
language : en
Publisher:
Release Date : 1995
Postflood Occurrence Of Selected Agricultural Chemicals And Volatile Organic Compounds In Near Surface Unconsolidated Aquifers In The Upper Mississippi River Basin 1993 written by Dana W. Kolpin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agricultural chemicals categories.
Occurrence And Transport Of Agricultural Chemicals In The Mississippi River Basin July Through August 1993
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Author : Charles A. Perry
language : en
Publisher:
Release Date : 1984
Occurrence And Transport Of Agricultural Chemicals In The Mississippi River Basin July Through August 1993 written by Charles A. Perry and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Agricultural chemicals categories.
U S Geological Survey Circular
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Author :
language : en
Publisher:
Release Date : 1994
U S Geological Survey Circular written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Herbicides In Ground Water Of The Midwest
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Author :
language : en
Publisher:
Release Date : 1998
Herbicides In Ground Water Of The Midwest written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Groundwater categories.
Fact Sheet
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Author :
language : en
Publisher:
Release Date : 1998
Fact Sheet written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Geological mapping categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1995
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 1995 with Government publications categories.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1995
Monthly Catalogue United States Public Documents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Government publications categories.
Publications Of The Geological Survey
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Author : Geological Survey (U.S.)
language : en
Publisher:
Release Date : 1995
Publications Of The Geological Survey written by Geological Survey (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Geology categories.