Interpolation of monthly runoff along rivers applying empirical orthogonal functions: Application to the Upper Magdalena River, Colombia

•We present an approach for interpolation of discharge along river networks.•We use the theory of Karhunen–Loève expansion.•We adapt this theory to apply to discharge data.•We tested theoretical findings on time series from the Magdalena River, Colombia.•The results are good and confirm the plausibi...

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Veröffentlicht in:	Journal of hydrology (Amsterdam) 2015-09, Vol.528, p.177-191
Hauptverfasser:	Gottschalk, Lars, Krasovskaia, Irina, Dominguez, Efrain, Caicedo, Fabian, Velasco, Andres
Format:	Artikel
Sprache:	eng
Schlagworte:	Discharge Drainage Empirical analysis Empirical orthogonal functions Hydrology Interpolation of discharge Karhunen–Loève expansion Mathematical analysis Mathematical models Orthogonal functions Rivers Spatial variance–covariance
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