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Article Dans Une Revue Nature Communications Année : 2023

Regional and tele-connected impacts of the Tibetan Plateau surface darkening

Shuchang Tang
  • Fonction : Auteur
Anouk Vlug
Shilong Piao
Fei Li
  • Fonction : Auteur
Tao Wang
Laurent Li
Xuhui Wang
Guangjian Wu
Yue Li
Xu Lian
Tandong Yao

Résumé

Abstract Despite knowledge of the presence of the Tibetan Plateau (TP) in reorganizing large-scale atmospheric circulation, it remains unclear how surface albedo darkening over TP will impact local glaciers and remote Asian monsoon systems. Here, we use a coupled land-atmosphere global climate model and a glacier model to address these questions. Under a high-emission scenario, TP surface albedo darkening will increase local temperature by 0.24 K by the end of this century. This warming will strengthen the elevated heat pump of TP, increasing South Asian monsoon precipitation while exacerbating the current “South Flood-North Drought” pattern over East Asia. The albedo darkening-induced climate change also leads to an accompanying TP glacier volume loss of 6.9%, which further increases to 25.2% at the equilibrium, with a notable loss in western TP. Our findings emphasize the importance of land-surface change responses in projecting future water resource availability, with important implications for water management policies.
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Dates et versions

hal-03929561 , version 1 (08-01-2023)

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Shuchang Tang, Anouk Vlug, Shilong Piao, Fei Li, Tao Wang, et al.. Regional and tele-connected impacts of the Tibetan Plateau surface darkening. Nature Communications, 2023, 14 (1), pp.32. ⟨10.1038/s41467-022-35672-w⟩. ⟨hal-03929561⟩
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