Modelling snow accumulation and snow melt in a continuous hydrological model for real-time flood forecasting

Hydrological models for flood forecasting in Alpine basins need accurate representation of snow accumulation and snow melt processes. A continuous, semi-distributed rainfall-runoff model with snow modelling procedures using only precipitation and temperature as input is presented. Simulation results...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2008-11, Vol.4 (1), p.012016-7
Main Authors: Stanzel, Ph, Haberl, U, Nachtnebel, H P
Format: Article
Language:English
Subjects:
Evaluation
Flood forecasting
Freshwater
Hydrologic models
Hydrology
Image quality
Modelling
MODIS
Rainfall-runoff relationships
Remote sensing
Runoff
Seasonal variations
Simulation
Snow
Snow accumulation
Snow cover
Snow depth
Snowmelt
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Summary:Hydrological models for flood forecasting in Alpine basins need accurate representation of snow accumulation and snow melt processes. A continuous, semi-distributed rainfall-runoff model with snow modelling procedures using only precipitation and temperature as input is presented. Simulation results from an application in an Alpine Danube tributary watershed are shown and evaluated with snow depth measurements and MODIS remote sensing snow cover information. Seasonal variations of runoff due to snow melt were simulated accurately. Evaluation of simulated snow depth and snow covered area showed strengths and limitations of the model and allowed an assessment of input data quality. MODIS snow cover images were found to be valuable sources of information for hydrological modelling in alpine areas, where ground observations are scarce.
ISSN:1755-1315
1755-1307
1755-1315
DOI:10.1088/1755-1307/4/1/012016