Glacier volume estimation from ice-thickness data,applied to the Muz Taw glacier,Sawir Mountains,China |
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| Authors: | Email author" target="_blank">Huai?BaojuanEmail author Li?Zhongqin Wang?Feiteng Wang?Wenbin Wang?Puyu Li?Kaiming |
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| Institution: | 1.State Key Laboratory of Cryosphere Science, Cold and Arid Region Environment and Engineering Research Institute/Tianshan Glaciological Station,Chinese Academy of Sciences (CAS),Lanzhou,China;2.University of Chinese Academy of Sciences,Beijing,China;3.Geography and Environment College of Northwest Normal University,Lanzhou,China;4.School of Urban Economics and Tourism Culture,Lanzhou City University,Lanzhou,China |
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| Abstract: | In this work, ground penetrating radar (GPR) data, global position system (GPS) data, Landsat remote sensing images and digital elevation model (DEM) SRTM were used to study the Muz Taw glacier in the Sawir Mountains. By a variety of interpolation methods, spatial pattern of thickness of the Muz Taw glacier was obtained. The results show that there are obvious differences between the available GPR transverse profiles. The lower transverse profile has typical “U”-type topographic feature, the maximum glacier thickness is up to 116.4 m; glacier thickness distribution in the higher profile is relatively flat, with an average about 70–90 m. The longitudinal profile forms a ladder-like distribution, which in the middle of the ice bedrock topography has obvious depression. The average longitudinal ice thickness is about 80.89 m; the maximum ice thickness is up to 122.61 m. In addition, the preliminary estimation of the average thickness and total terminus ice volume were approximately 60.5 m and 0.195 km3, respectively. |
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