Meltwater-Induced Lake Freshening and Muted Warming in Northern China Under Contemporary Global Warming

被引：0

作者：

Jiang, Jiawei ^{[1
]}

Meng, Bowen ^{[1
,2
]}

Zhou, Aifeng ^{[3
]}

Chen, Rong ^{[4
]}

Zhao, Cheng ^{[5
]}

Xie, Zhouqing ^{[6
]}

Wang, Huanye ^{[7
]}

Liu, Weiguo ^{[7
]}

Liu, Zhonghui ^{[1
,8
]}

Gong, Peng ^{[1
,8
,9
]}

机构：

[1] Univ Hong Kong, Dept Earth Sci, Hong Kong, Peoples R China

[2] PetroChina, Res Inst Petr Explorat & Dev, Beijing, Peoples R China

[3] Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou, Peoples R China

[4] Chinese Acad Sci, Nanjing Inst Geog & Limnol, Nanjing, Peoples R China

[5] Nanjing Univ, Sch Geog & Ocean Sci, Nanjing, Peoples R China

[6] Univ Sci & Technol China, Dept Environm Sci & Engn, Anhui Key Lab Polar Environm & Global Change, Hefei, Peoples R China

[7] Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China

[8] Univ Hong Kong, Inst Climate & Carbon Neutral, Hong Kong, Peoples R China

[9] Univ Hong Kong, Dept Geog, Hong Kong, Peoples R China

来源：

GEOPHYSICAL RESEARCH LETTERS | 2025年 / 52卷 / 06期

关键词：

global warming; meltwater pulses; lake freshening; muted lake warming; lake alkenones; CLIMATE-CHANGE; HOLOCENE CLIMATE; GLACIER FLUCTUATIONS; TIBETAN PLATEAU; DAIHAI LAKE; TEMPERATURE; QINGHAI; ASIA; ALKENONE; PRECIPITATION;

D O I：

10.1029/2024GL112819

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Despite clearly documented in instrumental temperature records, the warming amplitude over the current warm period (CWP) inferred from lacustrine archive is very limited. The potential role of meltwater pulses in lake hydrology and their influence on lake water temperature under anthropogenic warming remain poorly investigated. Here we present and summarize lake water temperature and hydrology records in northern China to address potential meltwater effects over the last millennium. Our results show abrupt freshening and muted warming of lake water over the CWP, which appears to have also occurred along with climatic warming previously. Hence, substantial meltwater pulses to lakes, a transient response to climatic warming, could partly account for the muted warming over the CWP as indicated by lake water temperature records.

引用

页数：11

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