Soil-vegetation moisture capacitor maintains dry season vegetation productivity over India.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
17 01 2023
17 01 2023
Historique:
received:
04
10
2022
accepted:
29
12
2022
entrez:
17
1
2023
pubmed:
18
1
2023
medline:
20
1
2023
Statut:
epublish
Résumé
India receives more than 70% of its annual rainfall in the summer monsoon from June to September. The rainfall is scanty and scattered for the rest of the year. Combining satellite data and model simulations, we show that the soil-vegetation continuum works as a natural capacitor of water, storing the monsoon pulse and releasing the moisture to the atmosphere through evapotranspiration over approximately 135 days when the moisture supply from precipitation is less than the evapotranspiration losses. The total Gross Primary Productivity of vegetation in India during the capacitor period accounts for almost 35% of the total annual GPP value. It primarily depends on the soil moisture at the beginning of the period, a measure of moisture capacitance of soil, with a correlation of 0.6. Given that India is the second largest contributor to recent global greening, its soil-vegetation water capacitance plays a significant role in the global carbon balance.
Identifiants
pubmed: 36650187
doi: 10.1038/s41598-022-27277-6
pii: 10.1038/s41598-022-27277-6
pmc: PMC9845320
doi:
Substances chimiques
Soil
0
Water
059QF0KO0R
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
888Informations de copyright
© 2023. The Author(s).
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