Geological Survey water-supply, 1757-K. A Ground-water Reconnaissance of the Republic of Ghana, with a description of teohydrologic provinces : Conditions to the hydrology of Africa and the mediterranean region / Gill, H. E.

Public ISBD Titre de série : Geological Survey water-supply, 1757-K Titre : A Ground-water Reconnaissance of the Republic of Ghana, with a description of teohydrologic provinces : Conditions to the hydrology of Africa and the mediterranean region Type de document : texte imprimé Auteurs : Gill, H. E. Mention d'édition : United States Goverment Printing Office Editeur : United States Goverment printing Office Année de publication : 1969 ISBN/ISSN/EAN : CI-04895 Note générale : This report gives a general abstract of the availability and use of ground water and descibes the ocurence of ground water in five major geohydrologic provinces lying in the eight administrative regions of Ghana. The identification and delineation of the geohydrologic provinces are based on their distinctive characteristics with respect to the occurence and availability of ground water. The principal factors that limit development of ground-water supplies in Ghana are (1) prevailing low permeability and water-gielding protential of the crystalline and consolidated sediment any roks that underline most of the country(2) highy mineralized ground water which appears to be widely distributed in northern part of the voltaian province and (3) potential problems of salt-water. Langues : Anglais (eng) Mots-clés : Eau souterraine  Hydrogéologie  Géographie  Climat  Hydrologie Index. décimale : 551.48 Hydrologie : Résumé : This report gives a general abstract of the availability and use of ground water and descibes the ocurence of ground water in five major geohydrologic provinces lying in the eight administrative regions of Ghana. The identification and delineation of the geohydrologic provinces are based on their distinctive characteristics with respect to the occurence and availability of ground water. The principal factors that limit development of ground-water supplies in Ghana are (1) prevailing low permeability and water-gielding protential of the crystalline and consolidated sediment any roks that underline most of the country(2) highy mineralized ground water which appears to be widely distributed in northern part of the voltaian province and (3) potential problems of salt-water. Note de contenu : This report gives a general abstract of the availability and use of ground water and descibes the ocurence of ground water in five major geohydrologic provinces lying in the eight administrative regions of Ghana. The identification and delineation of the geohydrologic provinces are based on their distinctive characteristics with respect to the occurence and availability of ground water. The principal factors that limit development of ground-water supplies in Ghana are (1) prevailing low permeability and water-gielding protential of the crystalline and consolidated sediment any roks that underline most of the country(2) highy mineralized ground water which appears to be widely distributed in northern part of the voltaian province and (3) potential problems of salt-water. Geological Survey water-supply, 1757-K. A Ground-water Reconnaissance of the Republic of Ghana, with a description of teohydrologic provinces : Conditions to the hydrology of Africa and the mediterranean region [texte imprimé] / Gill, H. E.  . -  United States Goverment Printing Office . - United States Goverment printing Office, 1969. ISSN : CI-04895 This report gives a general abstract of the availability and use of ground water and descibes the ocurence of ground water in five major geohydrologic provinces lying in the eight administrative regions of Ghana. The identification and delineation of the geohydrologic provinces are based on their distinctive characteristics with respect to the occurence and availability of ground water. The principal factors that limit development of ground-water supplies in Ghana are (1) prevailing low permeability and water-gielding protential of the crystalline and consolidated sediment any roks that underline most of the country(2) highy mineralized ground water which appears to be widely distributed in northern part of the voltaian province and (3) potential problems of salt-water. Langues : Anglais (eng) Mots-clés : Eau souterraine  Hydrogéologie  Géographie  Climat  Hydrologie Index. décimale : 551.48 Hydrologie : Résumé : This report gives a general abstract of the availability and use of ground water and descibes the ocurence of ground water in five major geohydrologic provinces lying in the eight administrative regions of Ghana. The identification and delineation of the geohydrologic provinces are based on their distinctive characteristics with respect to the occurence and availability of ground water. The principal factors that limit development of ground-water supplies in Ghana are (1) prevailing low permeability and water-gielding protential of the crystalline and consolidated sediment any roks that underline most of the country(2) highy mineralized ground water which appears to be widely distributed in northern part of the voltaian province and (3) potential problems of salt-water. Note de contenu : This report gives a general abstract of the availability and use of ground water and descibes the ocurence of ground water in five major geohydrologic provinces lying in the eight administrative regions of Ghana. The identification and delineation of the geohydrologic provinces are based on their distinctive characteristics with respect to the occurence and availability of ground water. The principal factors that limit development of ground-water supplies in Ghana are (1) prevailing low permeability and water-gielding protential of the crystalline and consolidated sediment any roks that underline most of the country(2) highy mineralized ground water which appears to be widely distributed in northern part of the voltaian province and (3) potential problems of salt-water.

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U.S. Geological survey water-supply paper, n)2234-B. Transport of dissolved and suspendes matérial by the Potomac river at chain bridge, at Washington, D.C., water years 1978-81 : a water quality study of the Tidal Potomac River and Estuary. / Blanchard, S.F.

Public ISBD Titre de série : U.S. Geological survey water-supply paper, n)2234-B Titre : Transport of dissolved and suspendes matérial by the Potomac river at chain bridge, at Washington, D.C., water years 1978-81 : a water quality study of the Tidal Potomac River and Estuary. Type de document : texte imprimé Auteurs : Blanchard, S.F. ; Hahl, D.C Mention d'édition : United States Goverment printing Office Editeur : United States Goverment printing Office Année de publication : 1987 ISBN/ISSN/EAN : CI-00109 Note générale : #NOM? Langues : Anglais (eng) Mots-clés : Qualité de l'eau  Sédimentation  Estuaire  Bassin versant  Hydrochimie Index. décimale : 551.48 Hydrologie : Résumé : #NOM? Note de contenu : #NOM? U.S. Geological survey water-supply paper, n)2234-B. Transport of dissolved and suspendes matérial by the Potomac river at chain bridge, at Washington, D.C., water years 1978-81 : a water quality study of the Tidal Potomac River and Estuary. [texte imprimé] / Blanchard, S.F. ; Hahl, D.C  . -  United States Goverment printing Office . - United States Goverment printing Office, 1987. ISSN : CI-00109 #NOM? Langues : Anglais (eng) Mots-clés : Qualité de l'eau  Sédimentation  Estuaire  Bassin versant  Hydrochimie Index. décimale : 551.48 Hydrologie : Résumé : #NOM? Note de contenu : #NOM?

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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 / Shultz, D. J.

Public ISBD 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.

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