Data requirements for modeling a ground water system in an arid region / Kunkel, F.

Public ISBD Titre : Data requirements for modeling a ground water system in an arid region Type de document : texte imprimé Auteurs : Kunkel, F. Mention d'édition : U.S Geological Survey Editeur : U.S Geological survey Année de publication : 1973 ISBN/ISSN/EAN : CI-06689 Note générale : The mathematical formulas are known and the computer capability exists that permits one to accurately model an interrelated surface- and ground water system in an arid region, if the required data can be essembled. Existing data are often, insufficient to provide the nnede inputs to construct and verify a model that will be adequate for predicting future water levels. However, even unverified models may be of considerable value in providing the basis for determing the direction and scope of future data-collection, programs to insure maximum veturn. Langues : Anglais (eng) Mots-clés : Hydrologie  Eau souterraine  Région aride Index. décimale : 551.48 Hydrologie : Résumé : The mathematical formulas are known and the computer capability exists that permits one to accurately model an interrelated surface- and ground water system in an arid region, if the required data can be essembled. Existing data are often, insufficient to provide the nnede inputs to construct and verify a model that will be adequate for predicting future water levels. However, even unverified models may be of considerable value in providing the basis for determing the direction and scope of future data-collection, programs to insure maximum veturn. Note de contenu : The mathematical formulas are known and the computer capability exists that permits one to accurately model an interrelated surface- and ground water system in an arid region, if the required data can be essembled. Existing data are often, insufficient to provide the nnede inputs to construct and verify a model that will be adequate for predicting future water levels. However, even unverified models may be of considerable value in providing the basis for determing the direction and scope of future data-collection, programs to insure maximum veturn. Data requirements for modeling a ground water system in an arid region [texte imprimé] / Kunkel, F.  . -  U.S Geological Survey . - U.S Geological survey, 1973. ISSN : CI-06689 The mathematical formulas are known and the computer capability exists that permits one to accurately model an interrelated surface- and ground water system in an arid region, if the required data can be essembled. Existing data are often, insufficient to provide the nnede inputs to construct and verify a model that will be adequate for predicting future water levels. However, even unverified models may be of considerable value in providing the basis for determing the direction and scope of future data-collection, programs to insure maximum veturn. Langues : Anglais (eng) Mots-clés : Hydrologie  Eau souterraine  Région aride Index. décimale : 551.48 Hydrologie : Résumé : The mathematical formulas are known and the computer capability exists that permits one to accurately model an interrelated surface- and ground water system in an arid region, if the required data can be essembled. Existing data are often, insufficient to provide the nnede inputs to construct and verify a model that will be adequate for predicting future water levels. However, even unverified models may be of considerable value in providing the basis for determing the direction and scope of future data-collection, programs to insure maximum veturn. Note de contenu : The mathematical formulas are known and the computer capability exists that permits one to accurately model an interrelated surface- and ground water system in an arid region, if the required data can be essembled. Existing data are often, insufficient to provide the nnede inputs to construct and verify a model that will be adequate for predicting future water levels. However, even unverified models may be of considerable value in providing the basis for determing the direction and scope of future data-collection, programs to insure maximum veturn.

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Natural resources: vol 2, minerals and mining mapping and geodetic control

Public ISBD Titre : Natural resources: vol 2, minerals and mining mapping and geodetic control Type de document : texte imprimé Mention d'édition : U.S Geological Survey Editeur : U.S Geological survey Année de publication : s.d. ISBN/ISSN/EAN : CI-09458 Note générale : This volume, in a broad sense, is concerned with mineral resource development policy. To comprehend the objectives of such a policy it is essential that modern scientific and engineering techniques, designed to assist in minerals development be analysed and evaluated. The papers which comprisemost of this volume embrace five major aspects of minerals resources development : the role of government mineral appraisal and exploration techniques, production education of scientists and engineers qualified to etablish and operate a moderne minerals industry, illustrated by cas histories. Langues : Anglais (eng) Mots-clés : Industrie extractive  Cartographie  Géodésie  Minerai  Technologie  Exploitation du sous sol  Prospection minière  Ressource naturelle  Géologie Index. décimale : 333.7 Ressources naturelles et énergie : classer ici les ouvrages généraux sur l'environnement Résumé : This volume, in a broad sense, is concerned with mineral resource development policy. To comprehend the objectives of such a policy it is essential that modern scientific and engineering techniques, designed to assist in minerals development be analysed and evaluated. The papers which comprisemost of this volume embrace five major aspects of minerals resources development : the role of government mineral appraisal and exploration techniques, production education of scientists and engineers qualified to etablish and operate a moderne minerals industry, illustrated by cas histories. Note de contenu : This volume, in a broad sense, is concerned with mineral resource development policy. To comprehend the objectives of such a policy it is essential that modern scientific and engineering techniques, designed to assist in minerals development be analysed and evaluated. The papers which comprisemost of this volume embrace five major aspects of minerals resources development : the role of government mineral appraisal and exploration techniques, production education of scientists and engineers qualified to etablish and operate a moderne minerals industry, illustrated by cas histories. Natural resources: vol 2, minerals and mining mapping and geodetic control [texte imprimé]  . -  U.S Geological Survey . - U.S Geological survey, s.d. ISSN : CI-09458 This volume, in a broad sense, is concerned with mineral resource development policy. To comprehend the objectives of such a policy it is essential that modern scientific and engineering techniques, designed to assist in minerals development be analysed and evaluated. The papers which comprisemost of this volume embrace five major aspects of minerals resources development : the role of government mineral appraisal and exploration techniques, production education of scientists and engineers qualified to etablish and operate a moderne minerals industry, illustrated by cas histories. Langues : Anglais (eng) Mots-clés : Industrie extractive  Cartographie  Géodésie  Minerai  Technologie  Exploitation du sous sol  Prospection minière  Ressource naturelle  Géologie Index. décimale : 333.7 Ressources naturelles et énergie : classer ici les ouvrages généraux sur l'environnement Résumé : This volume, in a broad sense, is concerned with mineral resource development policy. To comprehend the objectives of such a policy it is essential that modern scientific and engineering techniques, designed to assist in minerals development be analysed and evaluated. The papers which comprisemost of this volume embrace five major aspects of minerals resources development : the role of government mineral appraisal and exploration techniques, production education of scientists and engineers qualified to etablish and operate a moderne minerals industry, illustrated by cas histories. Note de contenu : This volume, in a broad sense, is concerned with mineral resource development policy. To comprehend the objectives of such a policy it is essential that modern scientific and engineering techniques, designed to assist in minerals development be analysed and evaluated. The papers which comprisemost of this volume embrace five major aspects of minerals resources development : the role of government mineral appraisal and exploration techniques, production education of scientists and engineers qualified to etablish and operate a moderne minerals industry, illustrated by cas histories.

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The application of geochemical, Botanical, geophysical, and remote sensing mineral prospection techniques to tropical area : state of the art and needed research / Dorr, J. N. (Van)

Public ISBD Titre : The application of geochemical, Botanical, geophysical, and remote sensing mineral prospection techniques to tropical area : state of the art and needed research Type de document : texte imprimé Auteurs : Dorr, J. N. (Van) Mention d'édition : U.S geological survey Editeur : U.S Geological survey Année de publication : 1971 ISBN/ISSN/EAN : CI-07241 Note générale : "This is a preliminary report an the development of geophysical, and geobotanical mineral preopecting techniques for a application in tropical areas, both humid and raid . Propecting and hydrocarbons is excluded from consideration . Each technique is didcussed as to the "" state of the art"" , instrument and survey costs, research gaps and priorities . An analysis is made of the capability of the developing countries to use the results of successful research and earch tecnique are included ." Langues : Anglais (eng) Mots-clés : Geochimie  Botanique  Geophysique  Télédétection  Prospection minière  Séisme  Radiométrie  Electromagnétisme Index. décimale : 621.367 Techniques photographiques. Télédétection Résumé : "This is a preliminary report an the development of geophysical, and geobotanical mineral preopecting techniques for a application in tropical areas, both humid and raid . Propecting and hydrocarbons is excluded from consideration . Each technique is didcussed as to the "" state of the art"" , instrument and survey costs, research gaps and priorities . An analysis is made of the capability of the developing countries to use the results of successful research and earch tecnique are included ." Note de contenu : "This is a preliminary report an the development of geophysical, and geobotanical mineral preopecting techniques for a application in tropical areas, both humid and raid . Propecting and hydrocarbons is excluded from consideration . Each technique is didcussed as to the "" state of the art"" , instrument and survey costs, research gaps and priorities . An analysis is made of the capability of the developing countries to use the results of successful research and earch tecnique are included ." The application of geochemical, Botanical, geophysical, and remote sensing mineral prospection techniques to tropical area : state of the art and needed research [texte imprimé] / Dorr, J. N. (Van)  . -  U.S geological survey . - U.S Geological survey, 1971. ISSN : CI-07241 "This is a preliminary report an the development of geophysical, and geobotanical mineral preopecting techniques for a application in tropical areas, both humid and raid . Propecting and hydrocarbons is excluded from consideration . Each technique is didcussed as to the "" state of the art"" , instrument and survey costs, research gaps and priorities . An analysis is made of the capability of the developing countries to use the results of successful research and earch tecnique are included ." Langues : Anglais (eng) Mots-clés : Geochimie  Botanique  Geophysique  Télédétection  Prospection minière  Séisme  Radiométrie  Electromagnétisme Index. décimale : 621.367 Techniques photographiques. Télédétection Résumé : "This is a preliminary report an the development of geophysical, and geobotanical mineral preopecting techniques for a application in tropical areas, both humid and raid . Propecting and hydrocarbons is excluded from consideration . Each technique is didcussed as to the "" state of the art"" , instrument and survey costs, research gaps and priorities . An analysis is made of the capability of the developing countries to use the results of successful research and earch tecnique are included ." Note de contenu : "This is a preliminary report an the development of geophysical, and geobotanical mineral preopecting techniques for a application in tropical areas, both humid and raid . Propecting and hydrocarbons is excluded from consideration . Each technique is didcussed as to the "" state of the art"" , instrument and survey costs, research gaps and priorities . An analysis is made of the capability of the developing countries to use the results of successful research and earch tecnique are included ."

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U.S Geological Survey Water-Supply Paper, 2318. Application of the two-film model to the volatilization of acetone and t-Butyl alcohol from water as a function of temperature / Rathbun, R. E.

Public ISBD Titre de série : U.S Geological Survey Water-Supply Paper, 2318 Titre : Application of the two-film model to the volatilization of acetone and t-Butyl alcohol from water as a function of temperature Type de document : texte imprimé Auteurs : Rathbun, R. E. ; Tai, D. Y. Mention d'édition : U.S Geological survey Editeur : U.S Geological survey Année de publication : 1988 ISBN/ISSN/EAN : CI-04251 Note générale : This report describes the results of the study to : (1) determine the volatilization characteristics of acetone and TBA from water for a range of water mixing conditions and temperatures/ (2) determine the oxygen absorption coefficients for the same mixing conditions and temperatures in order to characterize the liquid film coefficient/ (3) determine the gas-film coefficients for the volatilization of acetone, TBA and water/ (4) check the applicability of the two film model and the concept of additivity of resistance for very soluble compounds/.. Langues : Anglais (eng) Mots-clés : Evaporation  Eau  Chimie  Acetone  Butanol  Physique  Composition de l'eau Index. décimale : 551.48 Hydrologie : Résumé : This report describes the results of the study to : (1) determine the volatilization characteristics of acetone and TBA from water for a range of water mixing conditions and temperatures/ (2) determine the oxygen absorption coefficients for the same mixing conditions and temperatures in order to characterize the liquid film coefficient/ (3) determine the gas-film coefficients for the volatilization of acetone, TBA and water/ (4) check the applicability of the two film model and the concept of additivity of resistance for very soluble compounds/.. Note de contenu : This report describes the results of the study to : (1) determine the volatilization characteristics of acetone and TBA from water for a range of water mixing conditions and temperatures/ (2) determine the oxygen absorption coefficients for the same mixing conditions and temperatures in order to characterize the liquid film coefficient/ (3) determine the gas-film coefficients for the volatilization of acetone, TBA and water/ (4) check the applicability of the two film model and the concept of additivity of resistance for very soluble compounds/.. U.S Geological Survey Water-Supply Paper, 2318. Application of the two-film model to the volatilization of acetone and t-Butyl alcohol from water as a function of temperature [texte imprimé] / Rathbun, R. E. ; Tai, D. Y.  . -  U.S Geological survey . - U.S Geological survey, 1988. ISSN : CI-04251 This report describes the results of the study to : (1) determine the volatilization characteristics of acetone and TBA from water for a range of water mixing conditions and temperatures/ (2) determine the oxygen absorption coefficients for the same mixing conditions and temperatures in order to characterize the liquid film coefficient/ (3) determine the gas-film coefficients for the volatilization of acetone, TBA and water/ (4) check the applicability of the two film model and the concept of additivity of resistance for very soluble compounds/.. Langues : Anglais (eng) Mots-clés : Evaporation  Eau  Chimie  Acetone  Butanol  Physique  Composition de l'eau Index. décimale : 551.48 Hydrologie : Résumé : This report describes the results of the study to : (1) determine the volatilization characteristics of acetone and TBA from water for a range of water mixing conditions and temperatures/ (2) determine the oxygen absorption coefficients for the same mixing conditions and temperatures in order to characterize the liquid film coefficient/ (3) determine the gas-film coefficients for the volatilization of acetone, TBA and water/ (4) check the applicability of the two film model and the concept of additivity of resistance for very soluble compounds/.. Note de contenu : This report describes the results of the study to : (1) determine the volatilization characteristics of acetone and TBA from water for a range of water mixing conditions and temperatures/ (2) determine the oxygen absorption coefficients for the same mixing conditions and temperatures in order to characterize the liquid film coefficient/ (3) determine the gas-film coefficients for the volatilization of acetone, TBA and water/ (4) check the applicability of the two film model and the concept of additivity of resistance for very soluble compounds/..

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United States geological survey water supply, 2302. Alluvial and bedrock aquifers of the Denver basin - eastern colorado's dual ground-water resource / Robson, S-G.

Public ISBD Titre de série : United States geological survey water supply, 2302 Titre : Alluvial and bedrock aquifers of the Denver basin - eastern colorado's dual ground-water resource Type de document : texte imprimé Auteurs : Robson, S-G. Mention d'édition : U.S Geological survey Editeur : U.S Geological survey Année de publication : 1989 ISBN/ISSN/EAN : CI-04246 Note générale : It is important that decisions about management and use of a complex hydrologic system such as the alluvial and bedrock aquifers be based on an informed understanding of the system. These valuable, and in some cases nonrenewable, water resources can be properly and effectively used only if their potentials and limitations are well understood. This report attempts to meet this need through a nontechnical comparison of the important geologic, hydrologic, legal, and economic factors affecting the operation and use of these aquifers. Langues : Anglais (eng) Mots-clés : Eau souterraine  Ressource en eau  Bassin HYDROGEOLOGIE  Alluvion  Roche  Hydrogéologie Index. décimale : 621.2 Hydraulique : turbines, pompes, accumulateurs, transmission hydraulique Résumé : It is important that decisions about management and use of a complex hydrologic system such as the alluvial and bedrock aquifers be based on an informed understanding of the system. These valuable, and in some cases nonrenewable, water resources can be properly and effectively used only if their potentials and limitations are well understood. This report attempts to meet this need through a nontechnical comparison of the important geologic, hydrologic, legal, and economic factors affecting the operation and use of these aquifers. Note de contenu : It is important that decisions about management and use of a complex hydrologic system such as the alluvial and bedrock aquifers be based on an informed understanding of the system. These valuable, and in some cases nonrenewable, water resources can be properly and effectively used only if their potentials and limitations are well understood. This report attempts to meet this need through a nontechnical comparison of the important geologic, hydrologic, legal, and economic factors affecting the operation and use of these aquifers. United States geological survey water supply, 2302. Alluvial and bedrock aquifers of the Denver basin - eastern colorado's dual ground-water resource [texte imprimé] / Robson, S-G.  . -  U.S Geological survey . - U.S Geological survey, 1989. ISSN : CI-04246 It is important that decisions about management and use of a complex hydrologic system such as the alluvial and bedrock aquifers be based on an informed understanding of the system. These valuable, and in some cases nonrenewable, water resources can be properly and effectively used only if their potentials and limitations are well understood. This report attempts to meet this need through a nontechnical comparison of the important geologic, hydrologic, legal, and economic factors affecting the operation and use of these aquifers. Langues : Anglais (eng) Mots-clés : Eau souterraine  Ressource en eau  Bassin HYDROGEOLOGIE  Alluvion  Roche  Hydrogéologie Index. décimale : 621.2 Hydraulique : turbines, pompes, accumulateurs, transmission hydraulique Résumé : It is important that decisions about management and use of a complex hydrologic system such as the alluvial and bedrock aquifers be based on an informed understanding of the system. These valuable, and in some cases nonrenewable, water resources can be properly and effectively used only if their potentials and limitations are well understood. This report attempts to meet this need through a nontechnical comparison of the important geologic, hydrologic, legal, and economic factors affecting the operation and use of these aquifers. Note de contenu : It is important that decisions about management and use of a complex hydrologic system such as the alluvial and bedrock aquifers be based on an informed understanding of the system. These valuable, and in some cases nonrenewable, water resources can be properly and effectively used only if their potentials and limitations are well understood. This report attempts to meet this need through a nontechnical comparison of the important geologic, hydrologic, legal, and economic factors affecting the operation and use of these aquifers.

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Water ressorce investigations open - file report, 80-44. Basic elements of ground water hydrology with reference to conditions in north carolina / Heath, R. C.

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