Flash drought drives rapid vegetation stress in arid regions in Europe
نویسندگان
چکیده
Abstract Flash droughts are characterised by rapid onset, combined with the potential to severely impact agriculture and ecosystems. However, assessments of ecological impacts flash droughts, especially in Europe, largely lacking. Here we investigate ecosystem responses Europe between 2001 2019 using diverse observational data, including gross primary production (GPP) leaf area index (LAI). We find that arid regions an abrupt transition water-stressed conditions occurs within a few weeks, which negatively affects vegetation status reduces carbon uptake initial stages drought; normalised anomalies LAI GPP decrease about −0.5. By contrast, humid is not as affected, given soil moisture recovers relatively quickly. also show before onset drought significantly timing (1–5 pentads) degree (−0.33 −0.71 anomalies) drought-induced stress, particularly regions. Our results highlight regional characteristics for more informative monitoring early warning systems.
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ژورنال
عنوان ژورنال: Environmental Research Letters
سال: 2023
ISSN: ['1748-9326']
DOI: https://doi.org/10.1088/1748-9326/acae3a