NDLI: Application of Global Environmental Multiscale (GEM) Numerical Weather Prediction (NWP) Model for Hydrological Modeling in Mountainous Environment

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Application of Global Environmental Multiscale (GEM) Numerical Weather Prediction (NWP) Model for Hydrological Modeling in Mountainous Environment

Content Provider	MDPI
Author	Gilewski, Paweł
Copyright Year	2022
Description	As the world is changing, mainly due to climate change, extreme events such as floods and droughts are becoming more frequent and severe. Considering this, the predictive modeling of flow in small mountain catchments that are particularly vulnerable to flooding is critical. Rainfall data sources such as rain gauges, meteorological radars, and satellites provide data to the hydrological model with a lag. Only numerical weather predictions can achieve this in advance, but their estimates are often subject to considerable uncertainty. This article aims to verify whether Global Environmental Multiscale numerical precipitation prediction can be successfully applied for event-based rainfall–runoff hydrological modeling. These data were verified for use in two aspects: the flow modeling and determination of antecedent moisture conditions. The results indicate that GEM data can be satisfactorily used for hydrological modeling, and particularly good simulation results are obtained when significant rainfall occurs. In addition, these data can be used to correctly estimate the AMC groups for each sub-catchment in advance, which is one of the key elements flowing into the amount of projected outflow in the catchment. It is worth noting that, according to the literature review conducted by the article’s author, this is the first published attempt to use GEM data directly in applied hydrological applications.
Starting Page	1348
e-ISSN	20734433
DOI	10.3390/atmos13091348
Journal	Atmosphere
Issue Number	9
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2022-08-24
Access Restriction	Open
Subject Keyword	Atmosphere Global Environmental Multiscale Model Hec-hms Mountainous Catchment Numerical Weather Prediction Rainfall–runoff Modeling
Content Type	Text
Resource Type	Article

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