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Faire une suggestion Affiner la rechercheUnited States Géological Survey water-Supply paper, 22-34 - J. Nitrogen dynamics in the tidal freshwater potomac river, Maryland and Virginia, water years 1979-1981. A water quality study of the tidal potamac river and estuary / Shultz, D. J.
Titre de série : United States Géological Survey water-Supply paper, 22-34 - J Titre : Nitrogen dynamics in the tidal freshwater potomac river, Maryland and Virginia, water years 1979-1981. A water quality study of the tidal potamac river and estuary Type de document : texte imprimé Auteurs : Shultz, D. J. Mention d'édition : United States Goverment printing office Editeur : United States Goverment printing Office Année de publication : 1989 ISBN/ISSN/EAN : CI-06667 Note générale : On an annual basis, river-supplied nitrate is the predominant form of nitrigen supplied to the tidal potomac river from external sources. Much of the nitrate is associated with high flows that have rapid transit times though the tidal river. The blue plains sewage-treatment plant (STP) at Washington, D.C. is the greatest source of all nitrogen species during low-flow periods. Prior to the fall of 1980, ammonia concentrations in depth-integrated, composited water samples were greatest during sommer periods near Alexandria, Va., because of loading from the nearly blue plans TP and reducing river discharge. Langues : Anglais (eng) Mots-clés : Qualité de l'eau Eau douce Analyse chimique Sédimentation Hydrologie Index. décimale : 551.48 Hydrologie : Résumé : On an annual basis, river-supplied nitrate is the predominant form of nitrigen supplied to the tidal potomac river from external sources. Much of the nitrate is associated with high flows that have rapid transit times though the tidal river. The blue plains sewage-treatment plant (STP) at Washington, D.C. is the greatest source of all nitrogen species during low-flow periods. Prior to the fall of 1980, ammonia concentrations in depth-integrated, composited water samples were greatest during sommer periods near Alexandria, Va., because of loading from the nearly blue plans TP and reducing river discharge. Note de contenu : On an annual basis, river-supplied nitrate is the predominant form of nitrigen supplied to the tidal potomac river from external sources. Much of the nitrate is associated with high flows that have rapid transit times though the tidal river. The blue plains sewage-treatment plant (STP) at Washington, D.C. is the greatest source of all nitrogen species during low-flow periods. Prior to the fall of 1980, ammonia concentrations in depth-integrated, composited water samples were greatest during sommer periods near Alexandria, Va., because of loading from the nearly blue plans TP and reducing river discharge. United States Géological Survey water-Supply paper, 22-34 - J. Nitrogen dynamics in the tidal freshwater potomac river, Maryland and Virginia, water years 1979-1981. A water quality study of the tidal potamac river and estuary [texte imprimé] / Shultz, D. J. . - United States Goverment printing office . - United States Goverment printing Office, 1989.
ISSN : CI-06667
On an annual basis, river-supplied nitrate is the predominant form of nitrigen supplied to the tidal potomac river from external sources. Much of the nitrate is associated with high flows that have rapid transit times though the tidal river. The blue plains sewage-treatment plant (STP) at Washington, D.C. is the greatest source of all nitrogen species during low-flow periods. Prior to the fall of 1980, ammonia concentrations in depth-integrated, composited water samples were greatest during sommer periods near Alexandria, Va., because of loading from the nearly blue plans TP and reducing river discharge.
Langues : Anglais (eng)
Mots-clés : Qualité de l'eau Eau douce Analyse chimique Sédimentation Hydrologie Index. décimale : 551.48 Hydrologie : Résumé : On an annual basis, river-supplied nitrate is the predominant form of nitrigen supplied to the tidal potomac river from external sources. Much of the nitrate is associated with high flows that have rapid transit times though the tidal river. The blue plains sewage-treatment plant (STP) at Washington, D.C. is the greatest source of all nitrogen species during low-flow periods. Prior to the fall of 1980, ammonia concentrations in depth-integrated, composited water samples were greatest during sommer periods near Alexandria, Va., because of loading from the nearly blue plans TP and reducing river discharge. Note de contenu : On an annual basis, river-supplied nitrate is the predominant form of nitrigen supplied to the tidal potomac river from external sources. Much of the nitrate is associated with high flows that have rapid transit times though the tidal river. The blue plains sewage-treatment plant (STP) at Washington, D.C. is the greatest source of all nitrogen species during low-flow periods. Prior to the fall of 1980, ammonia concentrations in depth-integrated, composited water samples were greatest during sommer periods near Alexandria, Va., because of loading from the nearly blue plans TP and reducing river discharge. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B667.55792 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55791 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55790 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55789 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55788 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55787 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55786 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B667.55785 CI-06667 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : United States Géological Survey water-Supply paper, 2303 Titre : Analysis of surface-water data network in Kansas for effectiveness in providing regional streamflow information: with a section on therry and application of generalized least squares Type de document : texte imprimé Auteurs : Medina, K. D. ; Taskar, G. D. Mention d'édition : USGPO Editeur : USGPO Année de publication : 1987 ISBN/ISSN/EAN : CI-03998 Note générale : This report documents the results of an analysis of the surface water data network in Kansas for its effectiveness in providing regional stream flow information. The network was analyzed least squares regressions. The correlation and time-sampling error of the streamflow characteristic are considere in the generalized least squares method. The analysis used streamflow records for all currently operated stations that were not affected by regulated and for discontined stations for wich unregulated flow characteristic, as well as physical and climatic characteristics, were avaible. Langues : Anglais (eng) Mots-clés : Eau de surface Diffusion de l'information Ruissellement Hydrologie Collecte des données Index. décimale : 025.52 Service de références et d'information Résumé : This report documents the results of an analysis of the surface water data network in Kansas for its effectiveness in providing regional stream flow information. The network was analyzed least squares regressions. The correlation and time-sampling error of the streamflow characteristic are considere in the generalized least squares method. The analysis used streamflow records for all currently operated stations that were not affected by regulated and for discontined stations for wich unregulated flow characteristic, as well as physical and climatic characteristics, were avaible. Note de contenu : This report documents the results of an analysis of the surface water data network in Kansas for its effectiveness in providing regional stream flow information. The network was analyzed least squares regressions. The correlation and time-sampling error of the streamflow characteristic are considere in the generalized least squares method. The analysis used streamflow records for all currently operated stations that were not affected by regulated and for discontined stations for wich unregulated flow characteristic, as well as physical and climatic characteristics, were avaible. United States Géological Survey water-Supply paper, 2303. Analysis of surface-water data network in Kansas for effectiveness in providing regional streamflow information: with a section on therry and application of generalized least squares [texte imprimé] / Medina, K. D. ; Taskar, G. D. . - USGPO . - USGPO, 1987.
ISSN : CI-03998
This report documents the results of an analysis of the surface water data network in Kansas for its effectiveness in providing regional stream flow information. The network was analyzed least squares regressions. The correlation and time-sampling error of the streamflow characteristic are considere in the generalized least squares method. The analysis used streamflow records for all currently operated stations that were not affected by regulated and for discontined stations for wich unregulated flow characteristic, as well as physical and climatic characteristics, were avaible.
Langues : Anglais (eng)
Mots-clés : Eau de surface Diffusion de l'information Ruissellement Hydrologie Collecte des données Index. décimale : 025.52 Service de références et d'information Résumé : This report documents the results of an analysis of the surface water data network in Kansas for its effectiveness in providing regional stream flow information. The network was analyzed least squares regressions. The correlation and time-sampling error of the streamflow characteristic are considere in the generalized least squares method. The analysis used streamflow records for all currently operated stations that were not affected by regulated and for discontined stations for wich unregulated flow characteristic, as well as physical and climatic characteristics, were avaible. Note de contenu : This report documents the results of an analysis of the surface water data network in Kansas for its effectiveness in providing regional stream flow information. The network was analyzed least squares regressions. The correlation and time-sampling error of the streamflow characteristic are considere in the generalized least squares method. The analysis used streamflow records for all currently operated stations that were not affected by regulated and for discontined stations for wich unregulated flow characteristic, as well as physical and climatic characteristics, were avaible. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B998.67056 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67055 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67054 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67053 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67052 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67051 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67050 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B998.67049 CI-03998 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : United States Géological Survey water-Supply paper, 2308 Titre : Methods and computer program documentation for determining anisotropic transmissivity tensor components of two-dimensional ground-water flow Type de document : texte imprimé Auteurs : Maslia, L. M. ; Randolph, B. R. Mention d'édition : United States Gouvernment printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1987 ISBN/ISSN/EAN : CI-02241 Note générale : This report describes the therory of anisotropic acquifer hydraulic properties and a computer program, written in fortran 77, for computing the components of the anisotropic transmissivity tensor of two-dimensional ground-water flow. To determine the tensor components using one pumping well and three observation wells, we describe the type-curve and straight-line approximation methods. These methods are based on the equation of drawdown developed for two-dimensional nonsteady flow in an infinite anisotropic aquifer. Langues : Français (fre) Mots-clés : Eau souterraine Nappe profonde Ruissellement Programmation informatique Informatique Index. décimale : 551.49 Eaux souterraines Résumé : This report describes the therory of anisotropic acquifer hydraulic properties and a computer program, written in fortran 77, for computing the components of the anisotropic transmissivity tensor of two-dimensional ground-water flow. To determine the tensor components using one pumping well and three observation wells, we describe the type-curve and straight-line approximation methods. These methods are based on the equation of drawdown developed for two-dimensional nonsteady flow in an infinite anisotropic aquifer. Note de contenu : This report describes the therory of anisotropic acquifer hydraulic properties and a computer program, written in fortran 77, for computing the components of the anisotropic transmissivity tensor of two-dimensional ground-water flow. To determine the tensor components using one pumping well and three observation wells, we describe the type-curve and straight-line approximation methods. These methods are based on the equation of drawdown developed for two-dimensional nonsteady flow in an infinite anisotropic aquifer. United States Géological Survey water-Supply paper, 2308. Methods and computer program documentation for determining anisotropic transmissivity tensor components of two-dimensional ground-water flow [texte imprimé] / Maslia, L. M. ; Randolph, B. R. . - United States Gouvernment printing Office . - United States Gouvernment Printing Office, 1987.
ISSN : CI-02241
This report describes the therory of anisotropic acquifer hydraulic properties and a computer program, written in fortran 77, for computing the components of the anisotropic transmissivity tensor of two-dimensional ground-water flow. To determine the tensor components using one pumping well and three observation wells, we describe the type-curve and straight-line approximation methods. These methods are based on the equation of drawdown developed for two-dimensional nonsteady flow in an infinite anisotropic aquifer.
Langues : Français (fre)
Mots-clés : Eau souterraine Nappe profonde Ruissellement Programmation informatique Informatique Index. décimale : 551.49 Eaux souterraines Résumé : This report describes the therory of anisotropic acquifer hydraulic properties and a computer program, written in fortran 77, for computing the components of the anisotropic transmissivity tensor of two-dimensional ground-water flow. To determine the tensor components using one pumping well and three observation wells, we describe the type-curve and straight-line approximation methods. These methods are based on the equation of drawdown developed for two-dimensional nonsteady flow in an infinite anisotropic aquifer. Note de contenu : This report describes the therory of anisotropic acquifer hydraulic properties and a computer program, written in fortran 77, for computing the components of the anisotropic transmissivity tensor of two-dimensional ground-water flow. To determine the tensor components using one pumping well and three observation wells, we describe the type-curve and straight-line approximation methods. These methods are based on the equation of drawdown developed for two-dimensional nonsteady flow in an infinite anisotropic aquifer. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B241.67776 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67775 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67774 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67773 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67772 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67771 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67770 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B241.67769 CI-02241 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : United States Géological Survey water-Supply paper, 2346 Titre : Geohydrology and ground-water resources of Philadelphia, Pensylvania Type de document : texte imprimé Auteurs : Paulachok, G. N. Mention d'édition : US Department of the Interior Editeur : US Department of the Interior Année de publication : 1991 ISBN/ISSN/EAN : CI-06931 Note générale : The purpose of this report is to summarize information on the occurence, availability, and quality of ground water in Philadelphia, Pa. The study on which the report is based was conducted during 1978. The objectives of the study were to evaluate ground-water condition and to determine the suitability of ground water as a source of emergency public supply. Langues : Anglais (eng) Mots-clés : Eau souterraine Hydrologie Urbanisation Roche Infiltration Qualité de l'eau Nappe phréatique Index. décimale : 551.48 Hydrologie : Résumé : The purpose of this report is to summarize information on the occurence, availability, and quality of ground water in Philadelphia, Pa. The study on which the report is based was conducted during 1978. The objectives of the study were to evaluate ground-water condition and to determine the suitability of ground water as a source of emergency public supply. Note de contenu : The purpose of this report is to summarize information on the occurence, availability, and quality of ground water in Philadelphia, Pa. The study on which the report is based was conducted during 1978. The objectives of the study were to evaluate ground-water condition and to determine the suitability of ground water as a source of emergency public supply. United States Géological Survey water-Supply paper, 2346. Geohydrology and ground-water resources of Philadelphia, Pensylvania [texte imprimé] / Paulachok, G. N. . - US Department of the Interior . - US Department of the Interior, 1991.
ISSN : CI-06931
The purpose of this report is to summarize information on the occurence, availability, and quality of ground water in Philadelphia, Pa. The study on which the report is based was conducted during 1978. The objectives of the study were to evaluate ground-water condition and to determine the suitability of ground water as a source of emergency public supply.
Langues : Anglais (eng)
Mots-clés : Eau souterraine Hydrologie Urbanisation Roche Infiltration Qualité de l'eau Nappe phréatique Index. décimale : 551.48 Hydrologie : Résumé : The purpose of this report is to summarize information on the occurence, availability, and quality of ground water in Philadelphia, Pa. The study on which the report is based was conducted during 1978. The objectives of the study were to evaluate ground-water condition and to determine the suitability of ground water as a source of emergency public supply. Note de contenu : The purpose of this report is to summarize information on the occurence, availability, and quality of ground water in Philadelphia, Pa. The study on which the report is based was conducted during 1978. The objectives of the study were to evaluate ground-water condition and to determine the suitability of ground water as a source of emergency public supply. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B931.43072 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43071 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43069 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43070 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43067 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43068 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43066 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B931.43065 CI-06931 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : United States Géological Survey water-Supply paper, 2367 Titre : Results of hydrologic research at a low-level radioactive-waste disposal site near sheffield, Illinois Type de document : texte imprimé Auteurs : Ryan, J. B. Mention d'édition : Department of Interior Editeur : Department of Interior Année de publication : 1991 ISBN/ISSN/EAN : CI-06930 Note générale : The purpose of this report is to present results and implications of approximately 10 years of hydrologic research conducted by the US geological survey at a commercial low-level radioactive waste disposal site. Hydrologic research at the site, located near sheffield, III, has included studies of microclimate, evapotranspiration, and tritium release by plants / runoff and Land modification / water movement through atrench cover / water and tritium movement in the unsaturated zone / gases in the unsaturated zone / water and tritium movement in the saturated zone/ and water chemistry. Langues : Anglais (eng) Mots-clés : Evapotranspiration Humidité PRECIPITATIONS Sol Hydrochimie Ruissellement Débit solide Hydrologie Déchet radioactif Index. décimale : 551.48 Hydrologie : Résumé : The purpose of this report is to present results and implications of approximately 10 years of hydrologic research conducted by the US geological survey at a commercial low-level radioactive waste disposal site. Hydrologic research at the site, located near sheffield, III, has included studies of microclimate, evapotranspiration, and tritium release by plants / runoff and Land modification / water movement through atrench cover / water and tritium movement in the unsaturated zone / gases in the unsaturated zone / water and tritium movement in the saturated zone/ and water chemistry. Note de contenu : The purpose of this report is to present results and implications of approximately 10 years of hydrologic research conducted by the US geological survey at a commercial low-level radioactive waste disposal site. Hydrologic research at the site, located near sheffield, III, has included studies of microclimate, evapotranspiration, and tritium release by plants / runoff and Land modification / water movement through atrench cover / water and tritium movement in the unsaturated zone / gases in the unsaturated zone / water and tritium movement in the saturated zone/ and water chemistry. United States Géological Survey water-Supply paper, 2367. Results of hydrologic research at a low-level radioactive-waste disposal site near sheffield, Illinois [texte imprimé] / Ryan, J. B. . - Department of Interior . - Department of Interior, 1991.
ISSN : CI-06930
The purpose of this report is to present results and implications of approximately 10 years of hydrologic research conducted by the US geological survey at a commercial low-level radioactive waste disposal site. Hydrologic research at the site, located near sheffield, III, has included studies of microclimate, evapotranspiration, and tritium release by plants / runoff and Land modification / water movement through atrench cover / water and tritium movement in the unsaturated zone / gases in the unsaturated zone / water and tritium movement in the saturated zone/ and water chemistry.
Langues : Anglais (eng)
Mots-clés : Evapotranspiration Humidité PRECIPITATIONS Sol Hydrochimie Ruissellement Débit solide Hydrologie Déchet radioactif Index. décimale : 551.48 Hydrologie : Résumé : The purpose of this report is to present results and implications of approximately 10 years of hydrologic research conducted by the US geological survey at a commercial low-level radioactive waste disposal site. Hydrologic research at the site, located near sheffield, III, has included studies of microclimate, evapotranspiration, and tritium release by plants / runoff and Land modification / water movement through atrench cover / water and tritium movement in the unsaturated zone / gases in the unsaturated zone / water and tritium movement in the saturated zone/ and water chemistry. Note de contenu : The purpose of this report is to present results and implications of approximately 10 years of hydrologic research conducted by the US geological survey at a commercial low-level radioactive waste disposal site. Hydrologic research at the site, located near sheffield, III, has included studies of microclimate, evapotranspiration, and tritium release by plants / runoff and Land modification / water movement through atrench cover / water and tritium movement in the unsaturated zone / gases in the unsaturated zone / water and tritium movement in the saturated zone/ and water chemistry. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B930.43063 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43064 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43062 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43061 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43060 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43059 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43058 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B930.43057 CI-06930 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible
