Articles | Volume 25, issue 3
Hydrol. Earth Syst. Sci., 25, 1389–1410, 2021
https://doi.org/10.5194/hess-25-1389-2021
Hydrol. Earth Syst. Sci., 25, 1389–1410, 2021
https://doi.org/10.5194/hess-25-1389-2021

Research article 24 Mar 2021

Research article | 24 Mar 2021

The value of ASCAT soil moisture and MODIS snow cover data for calibrating a conceptual hydrologic model

Rui Tong et al.

Data sets

Soil Water Index (SWI) V3 TU Wien https://land.copernicus.eu/global/products/swi/

A High-Resolution Global Map of Soil Hydraulic Properties Produced by a Hierarchical Parameterization of a Physically-Based Water Retention Model Y. Zhang and M. G. Schaap https://doi.org/10.7910/DVN/UI5LCETS11

MOD13A3 MODIS/Terra vegetation Indices Monthly L3 Global 1km SIN Grid V006 Didan, K. https://doi.org/10.5067/MODIS/MOD13A3.006

MODIS/Terra Snow Cover Daily L3 Global 500\,m Grid, Version 6 D. K. Hall and G. A. Riggs https://doi.org/10.5067/MODIS/MOD10A1.006

MODIS/Aqua Snow Cover Daily L3 Global 500m Grid, Version 6 D. K. Hall and G. A. Riggs https://doi.org/10.5067/MODIS/MYD10A1.006

Model code and software

TUWmodel: Lumped/Semi-Distributed Hydrological Model for Education Purposes A. Viglione and J. Parajka https://CRAN.R-project.org/package=TUWmodel

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Short summary
We used a new and experimental version of the Advanced Scatterometer (ASCAT) soil water index data set and Moderate Resolution Imaging Spectroradiometer (MODIS) C6 snow cover products for multiple objective calibrations of the TUWmodel in 213 catchments of Austria. Combined calibration to runoff, satellite soil moisture, and snow cover improves runoff (40 % catchments), soil moisture (80 % catchments), and snow (~ 100 % catchments) simulation compared to traditional calibration to runoff only.