Hydrological responses to permafrost degradation on Tibetan Plateau under changing climate

The Tibetan Plateau (TP) has undergone significant warming and humidification in recent years, resulting in rapid permafrost degradation and spatiotemporal variations in hydrological processes, such as subsurface water transport, hydrothermal conversion, and runoff generation. Understanding the mech...

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Bibliographic Details
Published in:Water Science and Engineering
Main Authors: Xue-gao Chen, Zhong-bo Yu, Hui Lin, Tong-qing Shen, Peng Jiang
Format: Article in Journal/Newspaper
Language:English
Published: Elsevier 2024
Subjects:
Changing climate
Permafrost degradation
Subsurface water transport
Thermokarst lake
Hydrological response
Tibetan Plateau
River
lake
and water-supply engineering (General)
TC401-506
permafrost
Thermokarst
Online Access:https://doi.org/10.1016/j.wse.2024.04.002
https://doaj.org/article/098da2a44a734c51b9dab146c292b44f
Description
Summary:The Tibetan Plateau (TP) has undergone significant warming and humidification in recent years, resulting in rapid permafrost degradation and spatiotemporal variations in hydrological processes, such as subsurface water transport, hydrothermal conversion, and runoff generation. Understanding the mechanisms of hydrological processes in permafrost areas under changing climate is crucial for accurately evaluating hydrological responses on the TP. This study comprehensively discusses the permafrost hydrological processes of the TP under changing climate. Topics include climate conditions and permafrost states, subsurface water transport under freeze–thaw conditions, development of thermokarst lakes and hydrothermal processes, and runoff response during permafrost degradation. This study offers a comprehensive understanding of permafrost changes and their hydrological responses, contributing significantly to water security and sustainable development on the TP.

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