Articles | Volume 23, issue 10
https://doi.org/10.5194/hess-23-4051-2019
https://doi.org/10.5194/hess-23-4051-2019
Research article
 | 
01 Oct 2019
Research article |  | 01 Oct 2019

Upgraded global mapping information for earth system modelling: an application to surface water depth at the ECMWF

Margarita Choulga, Ekaterina Kourzeneva, Gianpaolo Balsamo, Souhail Boussetta, and Nils Wedi

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Latest update: 03 Oct 2024
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Short summary
Lakes influence weather and climate of regions, especially if several of them are located close by. Just by using upgraded lake depths, based on new or more recent measurements and geological methods of depth estimation, errors of lake surface water forecasts produced by the European Centre for Medium-Range Weather Forecasts became 12–20 % lower compared with observations for 27 lakes collected by the Finnish Environment Institute. For ice-off date forecasts errors changed insignificantly.