The use of GRDC gauging stations for calibrating large-scale hydrological models
- International Institute for Applied Systems Analysis, Laxenburg, Austria
- International Institute for Applied Systems Analysis, Laxenburg, Austria
Abstract. The Global Runoff Data Centre provides time series of observed discharges that are valuable for calibrating and validating the results of hydrological models. We address a common issue in large-scale hydrology that has not been satisfactorily solved, though investigated several times. To compare simulated and observed discharge, grid-based hydrological models must fit reported station locations to the resolution-dependent gridded river network. We introduce an Intersection over Union ratio approach to selected station locations on a coarser grid-scale, reducing the errors in assigning stations to the correct upstream basin. We update the 10-year-old database of watershed boundaries with additional stations based on a high-resolution (3 arc seconds) river network and provide source codes and high- and low-resolution watershed boundaries. The dataset is stored on Zenodo with the associated DOI https://doi.org/10.5281/zenodo.6906577.
Peter Burek and Mikhail Smilovic
Status: open (until 30 Sep 2022)
Peter Burek and Mikhail Smilovic
Data sets
The use of GRDC gauging stations for calibrating large-scale hydrological models Peter Burek, Mikhail Smilovic https://doi.org/10.5281/zenodo.6906577
Model code and software
The use of GRDC gauging stations for calibrating large-scale hydrological models Peter Burek, Mikhail Smilovic https://github.com/iiasa/CWATM_grdc_calibration_stations
Peter Burek and Mikhail Smilovic
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