ArticleNature communications2022
Rising ecosystem water demand exacerbates the lengthening of tropical dry seasons.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Lengthened autumn growing season contributes substantially to Earth's greening.Nature communications · 2026Article
- Evolutionary and environmental drivers of dry-season deciduousness in a legume genus.The New phytologist · 2026Article
- Increase in plant reliance on past precipitation associated with greening and drying.Nature ecology & evolution · 2026Article
- Article
- Global soil moisture dynamics: attribution of contributions and their association with GPP.Frontiers in plant science · 2025Article
- Water deficit and storm disturbances co-regulate Amazon rainforest seasonality.Science advances · 2024Article
- Impact of seasonality and forest stand age on ion deposition in rehabilitated forests.Plant-environment interactions (Hoboken, N.J.) · 2024Article
- City level water withdrawal and scarcity accounts of China.Scientific data · 2024Article
- Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Precipitation-based assessments show a lengthening of tropical dry seasons under climate change, without considering simultaneous changes in ecosystem water demand. Here, we compare changes in tropical dry season length and timing when dry season is defined as the period when precipitation is less than: its climatological average, potential evapotranspiration, or actual evapotranspiration. While all definitions show more widespread tropical drying than wetting for 1983-2016, we find the largest fraction (48.7%) of tropical land probably experiencing longer dry seasons when dry season is defined as the period when precipitation cannot meet the need of actual evapotranspiration. Southern Amazonia (due to delayed end) and central Africa (due to earlier onset and delayed end) are hotspots of dry season lengthening, with greater certainty when accounting for water demand changes. Therefore, it is necessary to account for changing water demand when characterizing changes in tropical dry periods and ecosystem water deficits.
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