Modelling ecohydrological feedbacks in forest and grassland plots under a prolonged drought anomaly in Central Europe 2018–2020
نویسندگان
چکیده
Recent studies have highlighted the importance of understanding ecohydrological drought feedbacks to secure water resources under a changing climate and increasing anthropogenic impacts. In this study, we monitored modelled in soil–plant-atmosphere continuum European summer 2018 following 2 years. The physically based, isotope-aided model EcH2O-iso was applied generic vegetation plots (forest grassland) lowland, groundwater-dominated research catchment Demnitzer Millcreek (NE Germany; 66 km2). We included, inter alia, soil isotope data calibration quantified “blue” (groundwater recharge) “green” (evapotranspiration) fluxes ages each land use as progressed. Novel plant xylem were excluded from but compared with simulated root uptake signatures validation. Results indicated inter-site differences dynamics storage contrasting age both during subsequent Forest consistently showed greater moisture stress, more rapid recovery higher variability depths generally younger storage. contrast, grassland site, which had water-retentive soils, older groundwater recharge fluxes. damped flux led slower return at depth. Such evidence-based quantitative stress soil-vegetation units provide important insights into Critical Zone cycling. This can help inform future progress monitoring, modelling development mitigation strategies drought-sensitive lowlands.
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ژورنال
عنوان ژورنال: Hydrological Processes
سال: 2021
ISSN: ['1099-1085', '0885-6087']
DOI: https://doi.org/10.1002/hyp.14325