时空雪线状况和气候多变性影响评估:印度库马恩喜马拉雅山平达里河流域案例研究

IF 6 3区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Environmental Sciences Europe Pub Date : 2024-05-22 DOI:10.1186/s12302-024-00924-7
Arvind Pandey, Deepanshu Parashar, Sarita Palni, Mriganka Shekhar Sarkar, Arun Pratap Mishra, Ajit Pratap Singh, Romulus Costache, Tuhami Jamil Abdulqadim, Chaitanya Baliram Pande, Abebe Debele Tolche, Mohd Yawar Ali Khan
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引用次数: 0

摘要

雪线呈现出明显的季节性上下波动,反映了四季不断变化的动态,并受到气候变异的影响,而气候变异每年都会发生变化。这些波动对高山地区的冰冻圈、生物群和生态系统过程产生了深远影响。尽管雪线变化起着至关重要的作用,但有关实际气候变异如何影响喜马拉雅山脉西部中央山脉积雪覆盖趋势的全面信息却很少。印度北阿坎德邦的 "平达里 "地区是喜马拉雅山脉的一部分,人为活动的无节制增长和气候变化的广泛影响加剧了这些挑战。本研究分析了 1972 年至 2018 年期间平达里冰川地区的雪线变化。研究结果显示,1972 年至 2018 年间,雪线海拔明显上移。值得注意的是,这项研究显示,在 46 年间,积雪覆盖面积减少了约 5.01 平方公里。这一减少归因于在这一漫长时期内发生的越来越多的高温事件的直接反应。这项研究强调,迫切需要在研究地区和类似的高山采取保护措施,以应对全球变暖和保护雪线,因为雪线是保护喜马拉雅高海拔冰川的可见替代指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Spatiotemporal snowline status and climate variability impact assessment: a case study of Pindari River Basin, Kumaun Himalaya, India

The snowline exhibits significant seasonal shifts upward and downward, reflecting the ever-changing dynamics of the seasons and being influenced by climate variations, which can vary annually. These fluctuations profoundly impact the cryosphere, biota, and ecosystem processes in high mountain regions. Despite the critical role of snowline variations, comprehensive information on how actual climate variability affects snow cover trends in the central mountain range of the western Himalayas is scarce. In the 'Pindari' region of the Uttarakhand district, India, which is part of the Himalayas, these challenges are exacerbated by the unchecked growth of anthropogenic activities and the broader impacts of climate change. This study analyses snowline variations in the Pindari glacial region from 1972 to 2018. The findings revealed that the snowline elevation significantly shifted upward between 1972 and 2018. Notably, this research revealed a decrease in snow-covered areas of approximately 5.01 km2 over the course of 46 years. This decrease is attributed to a direct response to the increasing number of high-temperature events that occurred during this extended period. This study emphasizes the urgent need for conservation measures in the study region and similar high mountains to combat global warming and safeguard the snowline, which serves as a visible proxy indicator to safeguard high-altitude Himalayan glaciers.

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来源期刊
Environmental Sciences Europe
Environmental Sciences Europe Environmental Science-Pollution
CiteScore
11.20
自引率
1.70%
发文量
110
审稿时长
13 weeks
期刊介绍: ESEU is an international journal, focusing primarily on Europe, with a broad scope covering all aspects of environmental sciences, including the main topic regulation. ESEU will discuss the entanglement between environmental sciences and regulation because, in recent years, there have been misunderstandings and even disagreement between stakeholders in these two areas. ESEU will help to improve the comprehension of issues between environmental sciences and regulation. ESEU will be an outlet from the German-speaking (DACH) countries to Europe and an inlet from Europe to the DACH countries regarding environmental sciences and regulation. Moreover, ESEU will facilitate the exchange of ideas and interaction between Europe and the DACH countries regarding environmental regulatory issues. Although Europe is at the center of ESEU, the journal will not exclude the rest of the world, because regulatory issues pertaining to environmental sciences can be fully seen only from a global perspective.
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