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001038609 0247_ $$2doi$$a10.5194/egusphere-egu24-11141
001038609 037__ $$aFZJ-2025-01581
001038609 041__ $$aEnglish
001038609 1001_ $$0P:(DE-Juel1)180763$$aPoppe Terán, Christian$$b0$$eCorresponding author
001038609 1112_ $$aEGU General Assembly 2024$$cvienna$$d2024-04-14 - 2024-04-19$$gEGU2024$$wAustria
001038609 245__ $$aThe drought response of European ecosystem processes via multiple components of the hydrological cycle
001038609 260__ $$c2024
001038609 3367_ $$033$$2EndNote$$aConference Paper
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001038609 520__ $$aDroughts have become more frequent and severe in Europe over the last decade - a trend expected to continue. Recent studies have shown widespread responses of energy, water, and carbon fluxes in ecosystems to single drought years from flux observations. However, to better understand how ecosystems react to droughts, we need to gain explicit knowledge about the different factors that influence their response. In this light, it is crucial to associate the influence of droughts on diverse ecosystem types with particular compartments of the hydrological cycle (atmosphere, surface, soil, and groundwater reservoirs). For instance, during a drought, atmospheric dryness might be the dominant factor in arid regions as opposed to dry soils in humid regions.Here, we use states and fluxes of water and carbon (vapor pressure deficit, surface runoff, soil moisture, and water table depth) from the Community Land Model 5 in a 3 km resolution over Europe from 1995 to 2018 to determine the drought anomalies of ecosystem processes (gross primary production and evapotranspiration). Importantly, we apply a systematic drought concept integrating lags between deficits in a network of multiple sections of the hydrological cycle during a drought.Our analyses indicate that the dominance of a particular water resource in controlling ecosystem processes converges regionally and is predominantly consistent across drought events. This finding emphasizes using more comprehensive drought indices incorporating time lags and multiple water resources when analyzing ecosystem responses. Lastly, it identifies areas potentially threatened by droughts and their controlling water resource.
001038609 536__ $$0G:(DE-HGF)POF4-2173$$a2173 - Agro-biogeosystems: controls, feedbacks and impact (POF4-217)$$cPOF4-217$$fPOF IV$$x0
001038609 536__ $$0G:(EU-Grant)871128$$aeLTER PLUS - European long-term ecosystem, critical zone and socio-ecological systems research infrastructure PLUS (871128)$$c871128$$fH2020-INFRAIA-2019-1$$x1
001038609 588__ $$aDataset connected to CrossRef
001038609 7001_ $$0P:(DE-Juel1)169794$$aNaz, Bibi$$b1
001038609 7001_ $$0P:(DE-Juel1)129549$$aVereecken, Harry$$b2
001038609 7001_ $$0P:(DE-HGF)0$$aHendricks Franssen, Harrie-Jan$$b3
001038609 773__ $$a10.5194/egusphere-egu24-11141
001038609 8564_ $$uhttps://meetingorganizer.copernicus.org/EGU24/EGU24-11141.html
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001038609 9141_ $$y2024
001038609 920__ $$lyes
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