Updating snow reservoir in hydrological models from satellite-observed snow covered areas
Eli Alfnes ... [et al.]
Bok Norsk 2005
| Utgitt | Oslo : NVE , 2005
|
|---|---|
| Omfang | 47 s. : diagr.
|
| Opplysninger | Oppdragsgivere: Eu 5th framework and NORUT IT Abstract: Operational use of satellite-observed snow covered area (SCA) in the HBV-model has been carried out using two different snow distribution functions. SCA could be included in the model calibration with only small reduction in runoff performance. Updating the runoff models based on the satellite derived SCA showed ambiguous results. The success rate of the updates was only 28 % for the traditional snow model. Studies using a dynamic snow distribution function for the snow reservoir showed comparable results to the traditional lognormal snow distribution for prediction of discharge and better for the prediction of SCA. Updating the new model from satellite derived SCA consistently gave improvements on the prediction of discharge.
|
| Emner | |
| ISSN |
