Domino effect of a natural cascade alpine lake system on the Third Pole

Wang, Lei; Liu, Hu; Zhong, Xiaoyang; Zhou, Jing; Zhu, Liping; Xie, Changwei; Ju, Jianting; Chen, Deliang; Yang, Kun; Zhao, Lin; Lu, Shanlong; Khanal, Sonu; Jin, Jiming; Liu, Wenhui; Liu, Baokang; Du, Yongsheng; Yao, Xiaojun; Lei, Yajie; Zhang, Guoqing; Nepal, Santosh

doi:10.1093/pnasnexus/pgac053

Cited by 14 publications

(6 citation statements)

References 35 publications

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“…The cryosphere-hydrology-lake-dam model was recently used to quantify the different contributors to the rising water levels at Lake Yanhu. This well-performing model reproduce the volume of Lake Zonag satisfactorily, with an RMSE (root mean square error) of 0.012-0.062 km 3 , which can well used for reproduce the following simulations and predictions of lake change (Wang et al, 2022). Determining the balance point between model simplicity and catchment complexity is likely one of the most important scientific challenges yet to be resolved in permafrost hydrological modeling on the QTP, which will be investigated in our next study.…”

Section: Effect Of Lake Changes On Regional Climate Conditions and Pe...mentioning

confidence: 85%

Extensive responses of lake dynamics to climate change on northeastern Tibetan Plateau

Liu

Liu²,

Li³

et al. 2023

Front. Earth Sci.

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The lakes on the Qinghai–Tibetan Plateau have undergone substantial changes. As intensive cryospheric components change, the response of the lake dynamics to climatic factors, glacier-snow melting, and permafrost thawing has been complex. Based on Landsat images, meteorological data, and glacier and permafrost data, the spatial-temporal changes in the lake area on the northeastern Tibetan Plateau between 1988 and 2019 were analyzed and the driving factors behind the lake changes were further explored. The results suggest that the regional lake area increased from 1988 to 2019 at rates of 0.01–16.03 km2/yr. It decreased during 1988–2000, quickly increased during 2000–2012, and rapidly increased during 2012–2019. The most significant lake expansion occurred in sub-region I, which is the source region of the Yangtze River Basin. There was a sharper increase during 2012–2019 than during 2000–2012 in sub-region II (the source region of the Yellow River Basin and the Qinghai Lake Basin) and sub-region III (the Qaidam Basin). The significant lake expansion occurred about 12 years earlier in sub-region I than in sub-regions II and III. This dramatic change in the lake area was closely associated with the annual precipitation, and precipitation was the primary driving factor. Although serious glacier retreat occurred, most of the lakes in the sub-regions were non-glacier-fed lakes. The correlation between glacier ablation and the change in the lake area was poor, which suggests that glacial meltwater was not the replenishment source of most of the lakes in this region. A more accelerated increase in the active layer thickness occurred (1.90 cm/yr), which was consistent with the more rapid lake expansion, and the permafrost degradation further intensified the lake expansion.

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Section: Effect Of Lake Changes On Regional Climate Conditions and Pe...mentioning

confidence: 85%

Extensive responses of lake dynamics to climate change on northeastern Tibetan Plateau

Liu

Liu²,

Li³

et al. 2023

Front. Earth Sci.

Self Cite

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show abstract

“…Lakes are important components of terrestrial water resources, closely related to the lithosphere, atmosphere, and biosphere, and supporting economic activities, including industrial and agricultural production, biodiversity, commercial activities, and human health 1 , 2 . The Qinghai-Tibet Plateau (QTP) hosts an abundance of alpine lakes that are strongly influenced by the melting of the cryosphere (i.e., glaciers and snow) and climate change 3 , 4 . In recent decades, many QTP lakes with areas larger than 1 km 2 have shown drastic changes, such as a significant increase in number, area, lake storage, and a rapid rise in water levels 4 , 5 .…”

Section: Background and Summarymentioning

confidence: 99%

“…The Qinghai-Tibet Plateau (QTP) hosts an abundance of alpine lakes that are strongly influenced by the melting of the cryosphere (i.e., glaciers and snow) and climate change 3 , 4 . In recent decades, many QTP lakes with areas larger than 1 km 2 have shown drastic changes, such as a significant increase in number, area, lake storage, and a rapid rise in water levels 4 , 5 .…”

Section: Background and Summarymentioning

confidence: 99%

An intra-annual 30-m dataset of small lakes of the Qilian Mountains for the period 1987–2020

Li¹,

Zhang²,

Zhang³

et al. 2023

Sci Data

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Small lakes (areas between 0.01 km2 and 1 km2) on the Qinghai–Tibet Plateau (QTP) are prone to fluctuations in number and area, with serious implications for the surface water storage and water and carbon cycles of this fragile environment. However, there are no detailed long-term datasets of the small lakes of the QTP. Therefore, the intra-annual changes of small lakes in the Qilian Mountains region (QMR) in the northeastern part of the QTP were investigated. The small lake water bodies (SLWB) in the QMR were extracted by improving existing commonly used waterbody extraction algorithms. Using the Google Earth Engine platform and 13,297 Landsat TM/ETM + /OLI images, the SLWB of the QMR were extracted from 1987 to 2020 applying the improved algorithm, cross-validation and manual corrections. The reliability, uncertainty and limitations of the improved algorithm were discussed. An intra-annual small lake dataset for QMR (QMR-SLD) from 1987 to 2020 was released, containing eight attributes: code, perimeter (km), area (km2), latitude and longitude, elevation (m), area error, relative error (%), and subregion.

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“…Uneven distribution of abnormal precipitation will lead to a series of problems, such as debris flow, lake outburst and permafrost degradation on the TP. These can severely threaten the safety of local living environments and public facilities (Zhang et al, 2022). Therefore, it is necessary to strengthen research and understanding on climate change in the TP.…”

Section: Introductionmentioning

confidence: 99%

Climatic characteristics of precipitation change and its multiscale causes over Central Qinghai–Tibet Plateau

Ma,

Wang,

Zhang

2023

Intl Journal of Climatology

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Regional climates have changed as a result of global warming, which has sped up cirrus circulation and altered the temporal and spatial distribution of precipitation. As climate change intensifies, the pattern of precipitation in the Hoh Xil (HX) region has changed. The dislocation of rain and heat in summer hinders ecological restoration and brings great ecological threat. And it is important to clarify the causes and scopes of the midsummer drought (MSD). In this study we highlight the causes of MSD in terms of water vapour transport, circulation structure and the related influencing factors. We found that (1) the HX region gradually entered a drying‐warming process as MSD developed after 2005. (2) The change in the water vapour balance is the direct cause of MSD in the HX. (3) As a typical climate key zone, the HX is located in the transition region between the westerlies and the Indian monsoon. (4) Regional evaporation capacity is the main factor affecting the occurrence of MSD. The dominant factor shifted from being energy to water with the occurrence and enhancement of MSD. This study complements the scarce research on precipitation anomalies in the HX, provides support for clarifying the impact of climate change on the Qinghai–Tibet Plateau (TP) and contributes to understanding the trends and mechanisms of climate change over the TP under global warming.

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Domino effect of a natural cascade alpine lake system on the Third Pole

Cited by 14 publications

References 35 publications

Extensive responses of lake dynamics to climate change on northeastern Tibetan Plateau

Extensive responses of lake dynamics to climate change on northeastern Tibetan Plateau

An intra-annual 30-m dataset of small lakes of the Qilian Mountains for the period 1987–2020

Climatic characteristics of precipitation change and its multiscale causes over Central Qinghai–Tibet Plateau

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