位于巴基斯坦中部卡拉科勒姆地区的希加尔盆地冰川的时空变异性研究
Salman Mustafa1,2, Faisal Rehman1, Adnan Shafiq Rana1,3
1Department of Earth Sciences, Quaid-I-Azam University, Islamabad, Pakistan.
Environmental monitoring and assessment
|October 20, 2025
概括
希加尔盆地的冰川是印度库什喜马拉雅山脉的重要组成部分,从1990年到2022年保持稳定. 这种稳定性支持可持续的水资源管理和下游地区的风险降低.
科学领域:
- 冰层研究的研究.
- 冰川学的冰川学
- 气候变化影响研究 气候变化影响研究
背景情况:
- 印度库什喜马拉雅 (HKH) 地区被称为"第三极",拥有大量的冰球储量.
- 冰川对气候变化非常敏感,影响地区的水资源.
- 中部卡拉科鲁姆的希加尔盆地是一个重要的水文系统,需要研究冰川动态.
研究的目的:
- 评估气候变化对希加盆地冰川 (1990-2022) 的影响.
- 为可持续的水资源管理和风险预测提供信息.
- 为了了解未来规划的冰川面积变化和稳定性.
主要方法:
- 在希加尔盆地448个冰川的划定和评估.
- 使用的卫星数据:Sentinel,Landsat OLI/TIRS,以及ALOS PALSAR DEM. 这些卫星数据都使用了卫星数据.
- 分析了从1990年到2022年的数据.
主要成果:
- 冰川总面积略有增加,从1990年的2408.3 ± 60平方公里增加到2022年的2425.2 ± 60.2平方公里 (增加16.9平方公里).
- 冰川覆盖面积的33%被超冰川碎片覆盖.
- 在研究期间,Shigar盆地的冰川表现出稳定性.
结论:
- 石加盆地的稳定冰川为水资源规划提供了积极的长期前景.
- 这些发现对于提高气候适应力和区域水源安全至关重要.
- 未来的研究需要气象站和现场数据来进行可靠的预测和减轻危险.
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