测绘通报 ›› 2022, Vol. 0 ›› Issue (4): 158-161,166.doi: 10.13474/j.cnki.11-2246.2022.0129

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基于SIA理论的冰川储量计算

曾海霄1, 刘雯雯2   

  1. 1. 甘肃省测绘产品质量监督检验站, 甘肃 兰州 730000;
    2. 甘肃省有色金属地质勘查局兰州矿产勘查院, 甘肃 兰州 730000
  • 收稿日期:2021-04-01 修回日期:2022-01-27 出版日期:2022-04-25 发布日期:2022-04-26
  • 作者简介:曾海霄(1991-)男,工程师,主要从事省级基础测绘、省级地理国情监测等项目成果的质量检验工作。E-mail:549668145@qq.com

Volume calculation of glacier based on the theory of the SIA

ZENG Haixiao1, LIU Wenwen2   

  1. 1. Gansu Province Surveying and and Mapping Product Quality Supervision and Inspection, Lanzhou 730000, China;
    2. Lanzhou Institute of Mineral Exproration, Gansu Non-ferrous Metal Geological Exploration Bureau, Lanzhou 730000, China
  • Received:2021-04-01 Revised:2022-01-27 Online:2022-04-25 Published:2022-04-26

摘要: 本文以抗物热冰川、古仁河口冰川、乌鲁木齐河源1号冰川和东绒布冰川为例,基于SIA理论和数字高程模型(DEM)数据及冰川矢量数据,计算各条冰川主流线的平均厚度值,并利用内插方法得到各条冰川的冰储量。结果表明:①抗物热冰川、古仁河口冰川、乌鲁木齐河源1号冰川和东绒布冰川的储量分别为0.022、0.026、0.024和1.450 km3。②经与传统冰储量计算经验公式、探地雷达(GPR)实测数据计算的冰储量结果相比,基于SIA模型得到的冰储量结果均较小,这与数字高程模型数据精度及断面划分有一定相关性。

关键词: SIA理论, 冰川矢量数据, 冰川厚度, 冰储量, 冰川主流线

Abstract: In this article, as examples of the Kangwure Glacier,the Gurenhekou Glacier,the Urumqi Glacier No.1 and the East Rongbuk Glacier,average thickness value of the every glacier mainstream line calculated by the theory of the SIA,DEM data and the glacier vector data,andevery ice volume is obtained by interpolation method.The results firstly show that the volume of the Kangwure Glacier,the Gurenhekou Glacier, the Urumqi Glacier No.1 and the East Rongbuk Glacier are about 0.022、0.026、0.024 and 1.450 km3.Furthermore, the ice volume based on the theory of the SIA are smaller which may relate to the precision of DEM data and sections division, compared with the ice volume based on the traditional empirical equations and GPR measured data.

Key words: theory of the SIA, glacier vector data, thickness of the glacier, ice volume, the mainstream line of the glacier

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