U.S. Geological Survey Water Supply paper, 2230. A filtration and colum-absorption system for onsite concentration and fractionation of organic substances from large volumes of water / Leenheer, J. A.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2230 Titre : A filtration and colum-absorption system for onsite concentration and fractionation of organic substances from large volumes of water Type de document : texte imprimé Auteurs : Leenheer, J. A. ; Noyes, T. I. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1984 ISBN/ISSN/EAN : CI-05076 Note générale : A portable filtration and column-adsorption system which can concentrate suspended sediment and dissolved-aqueous organic substances on site was developed. Organic solutes also are fractionated into hydrophobic and hydrophobic-acid, base, and neutral fractions. Subsequent insolation of organic solutes from fraction concentrates and extraction of organic constituents in suspended sediment entrained on filter tubes is performed by a variety of procedures in the laboratory. Three surface-water samples and one ground-water sample ranging in volume from 300 to 1,100 liters were processed through the filtration and column-adsorption system,yielding from about 0.8 to 3.0 grams of recovered organic carbon per sample. Langues : Anglais (eng) Mots-clés : Filtration  Hydrochimie  Analyse de l'eau Index. décimale : 551.48 Hydrologie : Résumé : A portable filtration and column-adsorption system which can concentrate suspended sediment and dissolved-aqueous organic substances on site was developed. Organic solutes also are fractionated into hydrophobic and hydrophobic-acid, base, and neutral fractions. Subsequent insolation of organic solutes from fraction concentrates and extraction of organic constituents in suspended sediment entrained on filter tubes is performed by a variety of procedures in the laboratory. Three surface-water samples and one ground-water sample ranging in volume from 300 to 1,100 liters were processed through the filtration and column-adsorption system,yielding from about 0.8 to 3.0 grams of recovered organic carbon per sample. Note de contenu : A portable filtration and column-adsorption system which can concentrate suspended sediment and dissolved-aqueous organic substances on site was developed. Organic solutes also are fractionated into hydrophobic and hydrophobic-acid, base, and neutral fractions. Subsequent insolation of organic solutes from fraction concentrates and extraction of organic constituents in suspended sediment entrained on filter tubes is performed by a variety of procedures in the laboratory. Three surface-water samples and one ground-water sample ranging in volume from 300 to 1,100 liters were processed through the filtration and column-adsorption system,yielding from about 0.8 to 3.0 grams of recovered organic carbon per sample. U.S. Geological Survey Water Supply paper, 2230. A filtration and colum-absorption system for onsite concentration and fractionation of organic substances from large volumes of water [texte imprimé] / Leenheer, J. A. ; Noyes, T. I.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1984. ISSN : CI-05076 A portable filtration and column-adsorption system which can concentrate suspended sediment and dissolved-aqueous organic substances on site was developed. Organic solutes also are fractionated into hydrophobic and hydrophobic-acid, base, and neutral fractions. Subsequent insolation of organic solutes from fraction concentrates and extraction of organic constituents in suspended sediment entrained on filter tubes is performed by a variety of procedures in the laboratory. Three surface-water samples and one ground-water sample ranging in volume from 300 to 1,100 liters were processed through the filtration and column-adsorption system,yielding from about 0.8 to 3.0 grams of recovered organic carbon per sample. Langues : Anglais (eng) Mots-clés : Filtration  Hydrochimie  Analyse de l'eau Index. décimale : 551.48 Hydrologie : Résumé : A portable filtration and column-adsorption system which can concentrate suspended sediment and dissolved-aqueous organic substances on site was developed. Organic solutes also are fractionated into hydrophobic and hydrophobic-acid, base, and neutral fractions. Subsequent insolation of organic solutes from fraction concentrates and extraction of organic constituents in suspended sediment entrained on filter tubes is performed by a variety of procedures in the laboratory. Three surface-water samples and one ground-water sample ranging in volume from 300 to 1,100 liters were processed through the filtration and column-adsorption system,yielding from about 0.8 to 3.0 grams of recovered organic carbon per sample. Note de contenu : A portable filtration and column-adsorption system which can concentrate suspended sediment and dissolved-aqueous organic substances on site was developed. Organic solutes also are fractionated into hydrophobic and hydrophobic-acid, base, and neutral fractions. Subsequent insolation of organic solutes from fraction concentrates and extraction of organic constituents in suspended sediment entrained on filter tubes is performed by a variety of procedures in the laboratory. Three surface-water samples and one ground-water sample ranging in volume from 300 to 1,100 liters were processed through the filtration and column-adsorption system,yielding from about 0.8 to 3.0 grams of recovered organic carbon per sample.

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U.S. Geological Survey Water Supply paper, 2238. Interpolating water-table altitude in west-central Kansas using kriging techniques / Dunlap, L. E.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2238 Titre : Interpolating water-table altitude in west-central Kansas using kriging techniques Type de document : texte imprimé Auteurs : Dunlap, L. E. ; Spinazola, J. M. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1984 ISBN/ISSN/EAN : CI-05058 Note générale : Kriging is a regionalization technique that incorporates the autocorrelation between known data values in its estimation of values at unmeasured sites. This technique is reproducible, accepts irregularly spaced data, uses only measured values closely surrounding points at which values are estimated,is an exact interpolator at measured data points, and calculates an error of estimated. Kriging was used to interpolate water-table altitudes for 1978 and an average 1978 - 80 for the Ogallala aquifer in the western Kansas Groundwater Management District n°1. An altitude and an error of estimate were provided at he center of each one-mille of the district. Langues : Anglais (eng) Mots-clés : Hydrologie  Bassin versant  Hydrogéologie Index. décimale : 551.48 Hydrologie : Résumé : Kriging is a regionalization technique that incorporates the autocorrelation between known data values in its estimation of values at unmeasured sites. This technique is reproducible, accepts irregularly spaced data, uses only measured values closely surrounding points at which values are estimated,is an exact interpolator at measured data points, and calculates an error of estimated. Kriging was used to interpolate water-table altitudes for 1978 and an average 1978 - 80 for the Ogallala aquifer in the western Kansas Groundwater Management District n°1. An altitude and an error of estimate were provided at he center of each one-mille of the district. Note de contenu : Kriging is a regionalization technique that incorporates the autocorrelation between known data values in its estimation of values at unmeasured sites. This technique is reproducible, accepts irregularly spaced data, uses only measured values closely surrounding points at which values are estimated,is an exact interpolator at measured data points, and calculates an error of estimated. Kriging was used to interpolate water-table altitudes for 1978 and an average 1978 - 80 for the Ogallala aquifer in the western Kansas Groundwater Management District n°1. An altitude and an error of estimate were provided at he center of each one-mille of the district. U.S. Geological Survey Water Supply paper, 2238. Interpolating water-table altitude in west-central Kansas using kriging techniques [texte imprimé] / Dunlap, L. E. ; Spinazola, J. M.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1984. ISSN : CI-05058 Kriging is a regionalization technique that incorporates the autocorrelation between known data values in its estimation of values at unmeasured sites. This technique is reproducible, accepts irregularly spaced data, uses only measured values closely surrounding points at which values are estimated,is an exact interpolator at measured data points, and calculates an error of estimated. Kriging was used to interpolate water-table altitudes for 1978 and an average 1978 - 80 for the Ogallala aquifer in the western Kansas Groundwater Management District n°1. An altitude and an error of estimate were provided at he center of each one-mille of the district. Langues : Anglais (eng) Mots-clés : Hydrologie  Bassin versant  Hydrogéologie Index. décimale : 551.48 Hydrologie : Résumé : Kriging is a regionalization technique that incorporates the autocorrelation between known data values in its estimation of values at unmeasured sites. This technique is reproducible, accepts irregularly spaced data, uses only measured values closely surrounding points at which values are estimated,is an exact interpolator at measured data points, and calculates an error of estimated. Kriging was used to interpolate water-table altitudes for 1978 and an average 1978 - 80 for the Ogallala aquifer in the western Kansas Groundwater Management District n°1. An altitude and an error of estimate were provided at he center of each one-mille of the district. Note de contenu : Kriging is a regionalization technique that incorporates the autocorrelation between known data values in its estimation of values at unmeasured sites. This technique is reproducible, accepts irregularly spaced data, uses only measured values closely surrounding points at which values are estimated,is an exact interpolator at measured data points, and calculates an error of estimated. Kriging was used to interpolate water-table altitudes for 1978 and an average 1978 - 80 for the Ogallala aquifer in the western Kansas Groundwater Management District n°1. An altitude and an error of estimate were provided at he center of each one-mille of the district.

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U.S. Geological Survey Water Supply paper, 2239. Ground-water resources and potential hydrologic effects of surface coal mining in the northern powder river basin, Southeastern Montana / Slagle, S. E.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2239 Titre : Ground-water resources and potential hydrologic effects of surface coal mining in the northern powder river basin, Southeastern Montana Type de document : texte imprimé Auteurs : Slagle, S. E. ; Lewis, B. D. ; Lee, R. W. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1985 ISBN/ISSN/EAN : CI-05059 Note générale : The shallow groundwater system in the northern powder river basin consists of upper cretaceous to holocene aquifers overlying the bearpaw shale-namely, the fox hills sandstone/ hell, creek, fort union, and wasatch formations/ terrace deposits, and alluvium. Ground-water flow above the bearfow shale can be divided into two general flow patterns. An upper flow pattern occurs in aquifers at depths of less than about 200 feet and occurs primarily as localized flow controlled by the surface topography. A lower flow pattern occurs in aquifer of depths from about 200 to 1,200 feet and exhibits a more regional flow, which is generally northward toward the yellowstone river with significant flow toward the powder and tongue rivers. Langues : Anglais (eng) Mots-clés : Eau souterraine  Ressource en eau  Hydrologie  Géologie  Bassin HYDROGEOLOGIE  PRECIPITATIONS  Irrigation  Evapotranspiration  Qualité de l'eau Index. décimale : 551 Géologie, météorologie, hydrologie générale Résumé : The shallow groundwater system in the northern powder river basin consists of upper cretaceous to holocene aquifers overlying the bearpaw shale-namely, the fox hills sandstone/ hell, creek, fort union, and wasatch formations/ terrace deposits, and alluvium. Ground-water flow above the bearfow shale can be divided into two general flow patterns. An upper flow pattern occurs in aquifers at depths of less than about 200 feet and occurs primarily as localized flow controlled by the surface topography. A lower flow pattern occurs in aquifer of depths from about 200 to 1,200 feet and exhibits a more regional flow, which is generally northward toward the yellowstone river with significant flow toward the powder and tongue rivers. Note de contenu : The shallow groundwater system in the northern powder river basin consists of upper cretaceous to holocene aquifers overlying the bearpaw shale-namely, the fox hills sandstone/ hell, creek, fort union, and wasatch formations/ terrace deposits, and alluvium. Ground-water flow above the bearfow shale can be divided into two general flow patterns. An upper flow pattern occurs in aquifers at depths of less than about 200 feet and occurs primarily as localized flow controlled by the surface topography. A lower flow pattern occurs in aquifer of depths from about 200 to 1,200 feet and exhibits a more regional flow, which is generally northward toward the yellowstone river with significant flow toward the powder and tongue rivers. U.S. Geological Survey Water Supply paper, 2239. Ground-water resources and potential hydrologic effects of surface coal mining in the northern powder river basin, Southeastern Montana [texte imprimé] / Slagle, S. E. ; Lewis, B. D. ; Lee, R. W.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1985. ISSN : CI-05059 The shallow groundwater system in the northern powder river basin consists of upper cretaceous to holocene aquifers overlying the bearpaw shale-namely, the fox hills sandstone/ hell, creek, fort union, and wasatch formations/ terrace deposits, and alluvium. Ground-water flow above the bearfow shale can be divided into two general flow patterns. An upper flow pattern occurs in aquifers at depths of less than about 200 feet and occurs primarily as localized flow controlled by the surface topography. A lower flow pattern occurs in aquifer of depths from about 200 to 1,200 feet and exhibits a more regional flow, which is generally northward toward the yellowstone river with significant flow toward the powder and tongue rivers. Langues : Anglais (eng) Mots-clés : Eau souterraine  Ressource en eau  Hydrologie  Géologie  Bassin HYDROGEOLOGIE  PRECIPITATIONS  Irrigation  Evapotranspiration  Qualité de l'eau Index. décimale : 551 Géologie, météorologie, hydrologie générale Résumé : The shallow groundwater system in the northern powder river basin consists of upper cretaceous to holocene aquifers overlying the bearpaw shale-namely, the fox hills sandstone/ hell, creek, fort union, and wasatch formations/ terrace deposits, and alluvium. Ground-water flow above the bearfow shale can be divided into two general flow patterns. An upper flow pattern occurs in aquifers at depths of less than about 200 feet and occurs primarily as localized flow controlled by the surface topography. A lower flow pattern occurs in aquifer of depths from about 200 to 1,200 feet and exhibits a more regional flow, which is generally northward toward the yellowstone river with significant flow toward the powder and tongue rivers. Note de contenu : The shallow groundwater system in the northern powder river basin consists of upper cretaceous to holocene aquifers overlying the bearpaw shale-namely, the fox hills sandstone/ hell, creek, fort union, and wasatch formations/ terrace deposits, and alluvium. Ground-water flow above the bearfow shale can be divided into two general flow patterns. An upper flow pattern occurs in aquifers at depths of less than about 200 feet and occurs primarily as localized flow controlled by the surface topography. A lower flow pattern occurs in aquifer of depths from about 200 to 1,200 feet and exhibits a more regional flow, which is generally northward toward the yellowstone river with significant flow toward the powder and tongue rivers.

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U.S. Geological Survey Water Supply paper, 2243. Changes in flood responses of the Red River of the north basin, north Dakota - Minnesota / MIller, J. E.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2243 Titre : Changes in flood responses of the Red River of the north basin, north Dakota - Minnesota Type de document : texte imprimé Auteurs : MIller, J. E. ; Frink, D. L. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1984 ISBN/ISSN/EAN : CI-05057 Note générale : The magnitude and frequency of large floods that have occured in recent years in the basin of the Red River of the north have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine whether any changes in flood response of the basin could be documented. A review of the hydrologic setting, previous floods, flood-control measures, and probables effets of land-use changes shows that the flooding problem of the Red River basin is complex hydrologically, highly variable historically, and follow a regional pattern. Langues : Anglais (eng) Mots-clés : Inondation  Hydrologie  Géologie  Ruissellement  Climatologie Index. décimale : 551.48 Hydrologie : Résumé : The magnitude and frequency of large floods that have occured in recent years in the basin of the Red River of the north have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine whether any changes in flood response of the basin could be documented. A review of the hydrologic setting, previous floods, flood-control measures, and probables effets of land-use changes shows that the flooding problem of the Red River basin is complex hydrologically, highly variable historically, and follow a regional pattern. Note de contenu : The magnitude and frequency of large floods that have occured in recent years in the basin of the Red River of the north have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine whether any changes in flood response of the basin could be documented. A review of the hydrologic setting, previous floods, flood-control measures, and probables effets of land-use changes shows that the flooding problem of the Red River basin is complex hydrologically, highly variable historically, and follow a regional pattern. U.S. Geological Survey Water Supply paper, 2243. Changes in flood responses of the Red River of the north basin, north Dakota - Minnesota [texte imprimé] / MIller, J. E. ; Frink, D. L.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1984. ISSN : CI-05057 The magnitude and frequency of large floods that have occured in recent years in the basin of the Red River of the north have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine whether any changes in flood response of the basin could be documented. A review of the hydrologic setting, previous floods, flood-control measures, and probables effets of land-use changes shows that the flooding problem of the Red River basin is complex hydrologically, highly variable historically, and follow a regional pattern. Langues : Anglais (eng) Mots-clés : Inondation  Hydrologie  Géologie  Ruissellement  Climatologie Index. décimale : 551.48 Hydrologie : Résumé : The magnitude and frequency of large floods that have occured in recent years in the basin of the Red River of the north have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine whether any changes in flood response of the basin could be documented. A review of the hydrologic setting, previous floods, flood-control measures, and probables effets of land-use changes shows that the flooding problem of the Red River basin is complex hydrologically, highly variable historically, and follow a regional pattern. Note de contenu : The magnitude and frequency of large floods that have occured in recent years in the basin of the Red River of the north have caused concern that land-use changes and manmade drainage have increased flooding. This study was undertaken to determine whether any changes in flood response of the basin could be documented. A review of the hydrologic setting, previous floods, flood-control measures, and probables effets of land-use changes shows that the flooding problem of the Red River basin is complex hydrologically, highly variable historically, and follow a regional pattern.

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U.S. Geological Survey Water Supply paper, 2245. Appraisal of data for ground-water quality in Nebraska / Richard, E. A.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2245 Titre : Appraisal of data for ground-water quality in Nebraska Type de document : texte imprimé Auteurs : Richard, E. A. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1984 ISBN/ISSN/EAN : CI-05089 Note générale : This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10.000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings-holocene-pleistocene aquifers, tertiary aquifers, mesozoic aquifers, and paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically... Langues : Anglais (eng) Mots-clés : Eau souterraine  Qualité de l'eau  Bassin versant  Irrigation  Utilisation du sol  Utilisation de l'eau Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10.000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings-holocene-pleistocene aquifers, tertiary aquifers, mesozoic aquifers, and paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically... Note de contenu : This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10.000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings-holocene-pleistocene aquifers, tertiary aquifers, mesozoic aquifers, and paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically... U.S. Geological Survey Water Supply paper, 2245. Appraisal of data for ground-water quality in Nebraska [texte imprimé] / Richard, E. A.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1984. ISSN : CI-05089 This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10.000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings-holocene-pleistocene aquifers, tertiary aquifers, mesozoic aquifers, and paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically... Langues : Anglais (eng) Mots-clés : Eau souterraine  Qualité de l'eau  Bassin versant  Irrigation  Utilisation du sol  Utilisation de l'eau Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10.000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings-holocene-pleistocene aquifers, tertiary aquifers, mesozoic aquifers, and paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically... Note de contenu : This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10.000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings-holocene-pleistocene aquifers, tertiary aquifers, mesozoic aquifers, and paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically...

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U.S. Geological Survey Water Supply paper, 2246. Hydrology of the price river basin, Utah with emphasis on select coal-field areas / Waddell, K. M.

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U.S. Geological Survey Water Supply paper, 2247. Chemical and physical characteristics of water and sediment in scofield reservoir, carbon county, Utah / Waddell, K. M.

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U.S. Geological Survey Water Supply paper, 2249. An evaluation of trends in the acidity of precipitation and the related acidification of surface water in North America / Turk, J. T.

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U.S. Geological Survey Water Supply paper, 2251. Effects of artificial recharges on the Ogallala aquifer, Texas / Brown, R. F.

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U.S. Geological Survey Water Supply paper, 2252. Use of the routing procedure to study dye and gas transport in West Fork Trinity river, Texas / Jobson, H. E.

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U.S. Geological Survey Water Supply paper, 2256-A. Distribution and transport of trace substances in the Schurylkill River Bassin from Berne to Philadelphia, Pennsylvania / Staner, J. K.

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U.S. Geological Survey Water Supply paper, 2257. Traveltime and dispersion in the Potomac River, Cumberland, Aryland, to Washington, D.C / Taylor, K. R.

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U.S. Geological Survey Water Supply paper, 2258. Geohydrology and water resources of the Papago farms, great plain area, Papago Indian Reservation, Arizona and the Upper Rio Sonoyta area, Sonora, Mexico / Hollett, K. J.

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U.S. Geological Survey Water Supply paper, 2276. Techniques for estimating streamflow characteristic in the eastern and interior coal provinces of the United States / Wetzel, K. J.

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U.S. Geological Survey Water Supply paper, 2278. Application of parameter-estimation technique the modeling the regional aquifer underlying the Eastern Snake River Plain, Idaho / Garabedian, S. P.

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