U.S. Geological Survey Water Supply paper, 2216. Daily water and sediment discharges from selected rivers of the eastern United States : a time-series modeling approach / Fitzgerald, M. G.

Public ISBD Titre de série : U.S. Geological Survey Water Supply paper, 2216 Titre : Daily water and sediment discharges from selected rivers of the eastern United States : a time-series modeling approach Type de document : texte imprimé Auteurs : Fitzgerald, M. G. ; Karkinger, M. R. ; Michael, R Mention d'édition : United States Gouvernement Printing Office Editeur : United States Gouvernement Printing Office Année de publication : 14983 ISBN/ISSN/EAN : CI-05064 Note générale : Time-series models were constructed for analysis of daily runoff and sediment discharge data from selected rivers of the eastern United States. Logarithmic transformation and first order differencing of the data sets were necessary to produce second order stationary time series and remove seasonal trends. Cyclic models accounted for less than 42 percent in the sediment series. Analysis of the apparent oscillations of given frequenciers occuring in the data indicates that frequently occuring storms can account for as much as 50 percent of the variation in sediment dischange. Langues : Anglais (eng) Mots-clés : Ruissellement  Sédimentation  Débit solide  Eau de surface Index. décimale : 551.48 Hydrologie : Résumé : Time-series models were constructed for analysis of daily runoff and sediment discharge data from selected rivers of the eastern United States. Logarithmic transformation and first order differencing of the data sets were necessary to produce second order stationary time series and remove seasonal trends. Cyclic models accounted for less than 42 percent in the sediment series. Analysis of the apparent oscillations of given frequenciers occuring in the data indicates that frequently occuring storms can account for as much as 50 percent of the variation in sediment dischange. Note de contenu : Time-series models were constructed for analysis of daily runoff and sediment discharge data from selected rivers of the eastern United States. Logarithmic transformation and first order differencing of the data sets were necessary to produce second order stationary time series and remove seasonal trends. Cyclic models accounted for less than 42 percent in the sediment series. Analysis of the apparent oscillations of given frequenciers occuring in the data indicates that frequently occuring storms can account for as much as 50 percent of the variation in sediment dischange. U.S. Geological Survey Water Supply paper, 2216. Daily water and sediment discharges from selected rivers of the eastern United States : a time-series modeling approach [texte imprimé] / Fitzgerald, M. G. ; Karkinger, M. R. ; Michael, R  . -  United States Gouvernement Printing Office . - United States Gouvernement Printing Office, 14983. ISSN : CI-05064 Time-series models were constructed for analysis of daily runoff and sediment discharge data from selected rivers of the eastern United States. Logarithmic transformation and first order differencing of the data sets were necessary to produce second order stationary time series and remove seasonal trends. Cyclic models accounted for less than 42 percent in the sediment series. Analysis of the apparent oscillations of given frequenciers occuring in the data indicates that frequently occuring storms can account for as much as 50 percent of the variation in sediment dischange. Langues : Anglais (eng) Mots-clés : Ruissellement  Sédimentation  Débit solide  Eau de surface Index. décimale : 551.48 Hydrologie : Résumé : Time-series models were constructed for analysis of daily runoff and sediment discharge data from selected rivers of the eastern United States. Logarithmic transformation and first order differencing of the data sets were necessary to produce second order stationary time series and remove seasonal trends. Cyclic models accounted for less than 42 percent in the sediment series. Analysis of the apparent oscillations of given frequenciers occuring in the data indicates that frequently occuring storms can account for as much as 50 percent of the variation in sediment dischange. Note de contenu : Time-series models were constructed for analysis of daily runoff and sediment discharge data from selected rivers of the eastern United States. Logarithmic transformation and first order differencing of the data sets were necessary to produce second order stationary time series and remove seasonal trends. Cyclic models accounted for less than 42 percent in the sediment series. Analysis of the apparent oscillations of given frequenciers occuring in the data indicates that frequently occuring storms can account for as much as 50 percent of the variation in sediment dischange.

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