Journal Article

FZJ-2022-02165

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Groundwater Model Impacts Multiannual Simulations of Heat Waves

Furusho-Percot, C. (Corresponding author)FZJ* ; Goergen, K.FZJ* ; Hartick, C.FZJ* ; Poshyvailo-Strube, L.FZJ* ; Kollet, S.FZJ*

2022
Wiley Hoboken, NJ

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Please use a persistent id in citations: http://hdl.handle.net/2128/31186  doi:10.1029/2021GL096781

Abstract: Climate change increases the frequency and intensity of heat waves, bringing along multiple adverse impacts on ecosystems, human health, societies, and the economy. Groundwater influences the near surface air temperature evolution through land–atmosphere interactions. Using simplified and shallow groundwater representations, reproducing heat waves in a regional climate model (RCM) is challenging. Currently, RCMs applied over Europe exhibit a warm bias. This study analyzes heat waves over a 13-year evaluation period, comparing the terrestrial systems modeling platform (TSMP) with an explicit groundwater representation to a EURO-CORDEX RCM ensemble, the ERA5 reanalysis, and observations. The TSMP multiannual heat wave statistics are consistent with observations and reanalysis data. We attribute the lower absolute deviations of heat wave metrics simulated by TSMP to the improved hydrology including 3D groundwater flow. The findings emphasize the importance of hydrological process representation in RCMs.

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Contributing Institute(s):

1. Agrosphäre (IBG-3)

Research Program(s):

1. 2173 - Agro-biogeosystems: controls, feedbacks and impact (POF4-217) (POF4-217)
2. ESM Advanced Earth System Modelling Capacity (jibg35_20190501) (jibg35_20190501)

Appears in the scientific report 2022

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Wiley ; Ebsco Academic Search ; Essential Science Indicators ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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