U.S. Geological Survey Water Supply, 2202. Chloroform contamination in part of the alluvial aquifer Southwest Louisville, Kentucky / Davis, R. W.

Public ISBD Titre de série : U.S. Geological Survey Water Supply, 2202 Titre : Chloroform contamination in part of the alluvial aquifer Southwest Louisville, Kentucky Type de document : texte imprimé Auteurs : Davis, R. W. ; Matthews, E. W. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1983 ISBN/ISSN/EAN : CI-05103 Note générale : This report presents the two contaminants were above the water table in the alluvium until a long-term trend of rising ground-water levels caused water to reach the contaminants and the water-chloroform mixture began moving dowgradient to the well. The objectives of this study are twofold (1) to determine the source of contamination and the areal extent of ground water contaminated by chloroform and (2) to investigate and evaluate the probable distribution of chloroform in the aquifer under various pumping and nonpumping conditions. Langues : Anglais (eng) Mots-clés : Bassin versant  Eau de surface  Eau souterraine  Hydrogéologie  Pollution  Chloroforme  Carbone  Contamination Index. décimale : 551.48 Hydrologie : Résumé : This report presents the two contaminants were above the water table in the alluvium until a long-term trend of rising ground-water levels caused water to reach the contaminants and the water-chloroform mixture began moving dowgradient to the well. The objectives of this study are twofold (1) to determine the source of contamination and the areal extent of ground water contaminated by chloroform and (2) to investigate and evaluate the probable distribution of chloroform in the aquifer under various pumping and nonpumping conditions. Note de contenu : This report presents the two contaminants were above the water table in the alluvium until a long-term trend of rising ground-water levels caused water to reach the contaminants and the water-chloroform mixture began moving dowgradient to the well. The objectives of this study are twofold (1) to determine the source of contamination and the areal extent of ground water contaminated by chloroform and (2) to investigate and evaluate the probable distribution of chloroform in the aquifer under various pumping and nonpumping conditions. U.S. Geological Survey Water Supply, 2202. Chloroform contamination in part of the alluvial aquifer Southwest Louisville, Kentucky [texte imprimé] / Davis, R. W. ; Matthews, E. W.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1983. ISSN : CI-05103 This report presents the two contaminants were above the water table in the alluvium until a long-term trend of rising ground-water levels caused water to reach the contaminants and the water-chloroform mixture began moving dowgradient to the well. The objectives of this study are twofold (1) to determine the source of contamination and the areal extent of ground water contaminated by chloroform and (2) to investigate and evaluate the probable distribution of chloroform in the aquifer under various pumping and nonpumping conditions. Langues : Anglais (eng) Mots-clés : Bassin versant  Eau de surface  Eau souterraine  Hydrogéologie  Pollution  Chloroforme  Carbone  Contamination Index. décimale : 551.48 Hydrologie : Résumé : This report presents the two contaminants were above the water table in the alluvium until a long-term trend of rising ground-water levels caused water to reach the contaminants and the water-chloroform mixture began moving dowgradient to the well. The objectives of this study are twofold (1) to determine the source of contamination and the areal extent of ground water contaminated by chloroform and (2) to investigate and evaluate the probable distribution of chloroform in the aquifer under various pumping and nonpumping conditions. Note de contenu : This report presents the two contaminants were above the water table in the alluvium until a long-term trend of rising ground-water levels caused water to reach the contaminants and the water-chloroform mixture began moving dowgradient to the well. The objectives of this study are twofold (1) to determine the source of contamination and the areal extent of ground water contaminated by chloroform and (2) to investigate and evaluate the probable distribution of chloroform in the aquifer under various pumping and nonpumping conditions.

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U.S. Geological Survey Water Supply, 2205. Mathematical model of the Tesuque aquifer system near Projoaque, New Mexico / Hearne, G. A.

Public ISBD Titre de série : U.S. Geological Survey Water Supply, 2205 Titre : Mathematical model of the Tesuque aquifer system near Projoaque, New Mexico Type de document : texte imprimé Auteurs : Hearne, G. A. Mention d'édition : U. S. Geological Survey Editeur : U. S. Geological Survey Année de publication : 1985 ISBN/ISSN/EAN : CI-05101 Note générale : A three dimensional digital model ground water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Projoaque river basin and vicinity, New Mexico. The description of the prototype is simple enough to flow a mathematical simulation. This section of the report describes the analogy between the prototype and the model. The description is devided into three subsections : structure aquifer characteristics, and boundaries. In each instance a description of the prototype is followed by a description of the analogy used in the digital model. Langues : Anglais (eng) Mots-clés : Bassin versant  Eau souterraine  Eau de surface  Hydrologie  Modèle mathématique  Bassin hydrologique Index. décimale : 551.48 Hydrologie : Résumé : A three dimensional digital model ground water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Projoaque river basin and vicinity, New Mexico. The description of the prototype is simple enough to flow a mathematical simulation. This section of the report describes the analogy between the prototype and the model. The description is devided into three subsections : structure aquifer characteristics, and boundaries. In each instance a description of the prototype is followed by a description of the analogy used in the digital model. Note de contenu : A three dimensional digital model ground water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Projoaque river basin and vicinity, New Mexico. The description of the prototype is simple enough to flow a mathematical simulation. This section of the report describes the analogy between the prototype and the model. The description is devided into three subsections : structure aquifer characteristics, and boundaries. In each instance a description of the prototype is followed by a description of the analogy used in the digital model. U.S. Geological Survey Water Supply, 2205. Mathematical model of the Tesuque aquifer system near Projoaque, New Mexico [texte imprimé] / Hearne, G. A.  . -  U. S. Geological Survey . - U. S. Geological Survey, 1985. ISSN : CI-05101 A three dimensional digital model ground water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Projoaque river basin and vicinity, New Mexico. The description of the prototype is simple enough to flow a mathematical simulation. This section of the report describes the analogy between the prototype and the model. The description is devided into three subsections : structure aquifer characteristics, and boundaries. In each instance a description of the prototype is followed by a description of the analogy used in the digital model. Langues : Anglais (eng) Mots-clés : Bassin versant  Eau souterraine  Eau de surface  Hydrologie  Modèle mathématique  Bassin hydrologique Index. décimale : 551.48 Hydrologie : Résumé : A three dimensional digital model ground water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Projoaque river basin and vicinity, New Mexico. The description of the prototype is simple enough to flow a mathematical simulation. This section of the report describes the analogy between the prototype and the model. The description is devided into three subsections : structure aquifer characteristics, and boundaries. In each instance a description of the prototype is followed by a description of the analogy used in the digital model. Note de contenu : A three dimensional digital model ground water flow was constructed to represent the dipping anisotropic beds of the Tesuque aquifer system underlying the Projoaque river basin and vicinity, New Mexico. The description of the prototype is simple enough to flow a mathematical simulation. This section of the report describes the analogy between the prototype and the model. The description is devided into three subsections : structure aquifer characteristics, and boundaries. In each instance a description of the prototype is followed by a description of the analogy used in the digital model.

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U.S. Geological Survey Water Supply, 2240. Estimation of nonpoint source loadings of phosphorus for lakes in the Puget Sound Region, Washington / Gilliom, R. J.

Public ISBD Titre de série : U.S. Geological Survey Water Supply, 2240 Titre : Estimation of nonpoint source loadings of phosphorus for lakes in the Puget Sound Region, Washington Type de document : texte imprimé Auteurs : Gilliom, R. J. Mention d'édition : U. S. Geological Survey Editeur : U. S. Geological Survey Année de publication : 1983 ISBN/ISSN/EAN : CI-05097 Note générale : Control eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the author calculated P loadings from present day P concentrations measured in lake water and from other easily measured physical characteristics in a total of 28 lakes in drainage basins that contain only forest andresidential land. The loadings from background sources to each of the lakes wera estimated by methods developed in a previous study. Differences between estimated present-day P loadings and loadings from background sources were attributed to changes in land use. Langues : Anglais (eng) Mots-clés : PRECIPITATIONS  Qualité de l'eau  Agriculture  Phosphore  Hydrogéologie  Hydrochimie Index. décimale : 551.57 Hydrométéorologie : brouillard, nuages, précipitations Résumé : Control eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the author calculated P loadings from present day P concentrations measured in lake water and from other easily measured physical characteristics in a total of 28 lakes in drainage basins that contain only forest andresidential land. The loadings from background sources to each of the lakes wera estimated by methods developed in a previous study. Differences between estimated present-day P loadings and loadings from background sources were attributed to changes in land use. Note de contenu : Control eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the author calculated P loadings from present day P concentrations measured in lake water and from other easily measured physical characteristics in a total of 28 lakes in drainage basins that contain only forest andresidential land. The loadings from background sources to each of the lakes wera estimated by methods developed in a previous study. Differences between estimated present-day P loadings and loadings from background sources were attributed to changes in land use. U.S. Geological Survey Water Supply, 2240. Estimation of nonpoint source loadings of phosphorus for lakes in the Puget Sound Region, Washington [texte imprimé] / Gilliom, R. J.  . -  U. S. Geological Survey . - U. S. Geological Survey, 1983. ISSN : CI-05097 Control eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the author calculated P loadings from present day P concentrations measured in lake water and from other easily measured physical characteristics in a total of 28 lakes in drainage basins that contain only forest andresidential land. The loadings from background sources to each of the lakes wera estimated by methods developed in a previous study. Differences between estimated present-day P loadings and loadings from background sources were attributed to changes in land use. Langues : Anglais (eng) Mots-clés : PRECIPITATIONS  Qualité de l'eau  Agriculture  Phosphore  Hydrogéologie  Hydrochimie Index. décimale : 551.57 Hydrométéorologie : brouillard, nuages, précipitations Résumé : Control eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the author calculated P loadings from present day P concentrations measured in lake water and from other easily measured physical characteristics in a total of 28 lakes in drainage basins that contain only forest andresidential land. The loadings from background sources to each of the lakes wera estimated by methods developed in a previous study. Differences between estimated present-day P loadings and loadings from background sources were attributed to changes in land use. Note de contenu : Control eutrophication of lakes in watersheds undergoing development is facilitated by estimates of the amounts of phosphorus (P) that reach the lakes from areas under various types of land use. Using a mass-balance model, the author calculated P loadings from present day P concentrations measured in lake water and from other easily measured physical characteristics in a total of 28 lakes in drainage basins that contain only forest andresidential land. The loadings from background sources to each of the lakes wera estimated by methods developed in a previous study. Differences between estimated present-day P loadings and loadings from background sources were attributed to changes in land use.

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U.S. Geological Survey Water Supply, 2242. Ground water regions of the United States / Heath, R. C.

Public ISBD Titre de série : U.S. Geological Survey Water Supply, 2242 Titre : Ground water regions of the United States Type de document : texte imprimé Auteurs : Heath, R. C. Mention d'édition : U. S. Geological Survey, Federal Center Editeur : U. S. Geological Survey, Federal Center Année de publication : 1984 ISBN/ISSN/EAN : CI-05119 Note générale : "The report consists of sections that deal concisely with discrete parts of the overall subject. The sections are arranged in a sequence that begins with a discussion of the general aspects of geology and rocks and proceeds to a description of the ground-water systems in the 15 ground water regions into which the United States, Puerto Rico, and the Virgin Island are divided. An attempt has been made to illustrate most of the important concepts and topics covered in the discussions. The section entiled ""Ground-water regions of the United States"" also warrants special mention. It includes maps that show the regions and tables that summarize the physical and hydrologic characteristics of the regions." Langues : Anglais (eng) Mots-clés : Eau souterraine  Géologie  Ressource en eau  Hydrogéologie Index. décimale : 551 Géologie, météorologie, hydrologie générale Résumé : "The report consists of sections that deal concisely with discrete parts of the overall subject. The sections are arranged in a sequence that begins with a discussion of the general aspects of geology and rocks and proceeds to a description of the ground-water systems in the 15 ground water regions into which the United States, Puerto Rico, and the Virgin Island are divided. An attempt has been made to illustrate most of the important concepts and topics covered in the discussions. The section entiled ""Ground-water regions of the United States"" also warrants special mention. It includes maps that show the regions and tables that summarize the physical and hydrologic characteristics of the regions." Note de contenu : "The report consists of sections that deal concisely with discrete parts of the overall subject. The sections are arranged in a sequence that begins with a discussion of the general aspects of geology and rocks and proceeds to a description of the ground-water systems in the 15 ground water regions into which the United States, Puerto Rico, and the Virgin Island are divided. An attempt has been made to illustrate most of the important concepts and topics covered in the discussions. The section entiled ""Ground-water regions of the United States"" also warrants special mention. It includes maps that show the regions and tables that summarize the physical and hydrologic characteristics of the regions." U.S. Geological Survey Water Supply, 2242. Ground water regions of the United States [texte imprimé] / Heath, R. C.  . -  U. S. Geological Survey, Federal Center . - U. S. Geological Survey, Federal Center, 1984. ISSN : CI-05119 "The report consists of sections that deal concisely with discrete parts of the overall subject. The sections are arranged in a sequence that begins with a discussion of the general aspects of geology and rocks and proceeds to a description of the ground-water systems in the 15 ground water regions into which the United States, Puerto Rico, and the Virgin Island are divided. An attempt has been made to illustrate most of the important concepts and topics covered in the discussions. The section entiled ""Ground-water regions of the United States"" also warrants special mention. It includes maps that show the regions and tables that summarize the physical and hydrologic characteristics of the regions." Langues : Anglais (eng) Mots-clés : Eau souterraine  Géologie  Ressource en eau  Hydrogéologie Index. décimale : 551 Géologie, météorologie, hydrologie générale Résumé : "The report consists of sections that deal concisely with discrete parts of the overall subject. The sections are arranged in a sequence that begins with a discussion of the general aspects of geology and rocks and proceeds to a description of the ground-water systems in the 15 ground water regions into which the United States, Puerto Rico, and the Virgin Island are divided. An attempt has been made to illustrate most of the important concepts and topics covered in the discussions. The section entiled ""Ground-water regions of the United States"" also warrants special mention. It includes maps that show the regions and tables that summarize the physical and hydrologic characteristics of the regions." Note de contenu : "The report consists of sections that deal concisely with discrete parts of the overall subject. The sections are arranged in a sequence that begins with a discussion of the general aspects of geology and rocks and proceeds to a description of the ground-water systems in the 15 ground water regions into which the United States, Puerto Rico, and the Virgin Island are divided. An attempt has been made to illustrate most of the important concepts and topics covered in the discussions. The section entiled ""Ground-water regions of the United States"" also warrants special mention. It includes maps that show the regions and tables that summarize the physical and hydrologic characteristics of the regions."

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