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Apport des jaugeages ponctuels à la reconstitution de chroniques de débits moyens journaliers par simulation pluie-débit : l'exemple du bassin Rhin-Meuse

Abstract : Insufficient hydrological knowledge hampers the reanalysis of river quality measurements. For most of the pollution-control sites monitored by the French Water Agency, streamflow data are generally missing or are available only as few point gauging records. This paper presents a comparative study of methods of daily streamflow time series reconstruction based on rainfall-runoff modeling. Their performance is evaluated through data running from 1990 to 2009 over a rather dense streamflow monitoring network. Results show that a small number of point gauging measurements may help to significantly improve the reconstruction of daily streamflow data series for almost ungauged sites. Point gauging records are also useful to define the optimal neighborhood used during the regionalization process. At-site monitoring of chemical and physical status of surface water should additionally include a series of flow measurements well-distributed in time, especially in regions where hydrological data are scarce
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https://hal.univ-lorraine.fr/hal-01697837
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Julien Plasse, Gilles Drogue, Didier Francois, Philippe Battaglia, Céline Conan. Apport des jaugeages ponctuels à la reconstitution de chroniques de débits moyens journaliers par simulation pluie-débit : l'exemple du bassin Rhin-Meuse. La Houille Blanche - Revue internationale de l'eau, EDP Sciences, 2014, pp.45 - 52. ⟨10.1051/lhb/2014007⟩. ⟨hal-01697837⟩

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