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.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2249 Titre : An evaluation of trends in the acidity of precipitation and the related acidification of surface water in North America Type de document : texte imprimé Auteurs : Turk, J. T. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1983 ISBN/ISSN/EAN : CI-05098 Note générale : This report intended to critically evaluate published trend information about the chemical quality of precipitation and of dilute surface waters that may have been significantly affected by changes in precipitation quality. The results of several studies within individual geographic regions were combined to assess whether changes in chemical quality have accured. To the available data permit, several hypotheses on why trends are or are not found are evaluated. Il is beyond the scope of this study, however, to provide new data or new trend analyses of data used in previous publications. Langues : Anglais (eng) Mots-clés : Evaluation  PRECIPITATIONS  Eau de surface  Hydrologie  Pluie  Acide Index. décimale : 551.57 Hydrométéorologie : brouillard, nuages, précipitations Résumé : This report intended to critically evaluate published trend information about the chemical quality of precipitation and of dilute surface waters that may have been significantly affected by changes in precipitation quality. The results of several studies within individual geographic regions were combined to assess whether changes in chemical quality have accured. To the available data permit, several hypotheses on why trends are or are not found are evaluated. Il is beyond the scope of this study, however, to provide new data or new trend analyses of data used in previous publications. Note de contenu : This report intended to critically evaluate published trend information about the chemical quality of precipitation and of dilute surface waters that may have been significantly affected by changes in precipitation quality. The results of several studies within individual geographic regions were combined to assess whether changes in chemical quality have accured. To the available data permit, several hypotheses on why trends are or are not found are evaluated. Il is beyond the scope of this study, however, to provide new data or new trend analyses of data used in previous publications. 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 [texte imprimé] / Turk, J. T.  . -  United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1983. ISSN : CI-05098 This report intended to critically evaluate published trend information about the chemical quality of precipitation and of dilute surface waters that may have been significantly affected by changes in precipitation quality. The results of several studies within individual geographic regions were combined to assess whether changes in chemical quality have accured. To the available data permit, several hypotheses on why trends are or are not found are evaluated. Il is beyond the scope of this study, however, to provide new data or new trend analyses of data used in previous publications. Langues : Anglais (eng) Mots-clés : Evaluation  PRECIPITATIONS  Eau de surface  Hydrologie  Pluie  Acide Index. décimale : 551.57 Hydrométéorologie : brouillard, nuages, précipitations Résumé : This report intended to critically evaluate published trend information about the chemical quality of precipitation and of dilute surface waters that may have been significantly affected by changes in precipitation quality. The results of several studies within individual geographic regions were combined to assess whether changes in chemical quality have accured. To the available data permit, several hypotheses on why trends are or are not found are evaluated. Il is beyond the scope of this study, however, to provide new data or new trend analyses of data used in previous publications. Note de contenu : This report intended to critically evaluate published trend information about the chemical quality of precipitation and of dilute surface waters that may have been significantly affected by changes in precipitation quality. The results of several studies within individual geographic regions were combined to assess whether changes in chemical quality have accured. To the available data permit, several hypotheses on why trends are or are not found are evaluated. Il is beyond the scope of this study, however, to provide new data or new trend analyses of data used in previous publications.

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