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冰川冻土  2014 

青藏高原中部双湖羌塘1号冰川厚度特征及冰储量估算

DOI: 10.7522/j.issn.1000-0240.2014.0034, PP. 278-285

Keywords: 冰川厚度,冰储量,雷达测厚,羌塘1号冰川

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Abstract:

冰川冰贮量的大小与变化对河流与湖泊水的影响是当前关注的热点科学问题之一.根据青藏高原中部双湖地区羌塘1号冰川2011、2013年探地雷达测量数据和差分GPS定位结果,分析探讨了羌塘1号冰川横、纵剖面厚度特征,并在GIS技术的支持下,绘制了冰川厚度等值线,对冰川储量进行了估算.结果表明羌塘1号冰川作用强烈,横剖面呈典型的“U”形发育,底部宽阔平坦.纵剖面从下往上缓慢抬升,坡度较小,下伏地形平坦,无明显突兀变化,与冰川表面具有很好的一致性.经计算整条冰川平均厚度51.28m,最厚处132.15m,冰体储量0.1236km3.

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