2020珠峰测量与高程确定

doi:10.11947/j.AGCS.2021.20210034

测绘学报 ›› 2021, Vol. 50 ›› Issue (4): 556-561.doi: 10.11947/j.AGCS.2021.20210034

2020珠峰测量与高程确定

党亚民¹, 郭春喜², 蒋涛¹, 张庆涛³, 陈斌⁴, 蒋光伟²

1. 中国测绘科学研究院, 北京 100830;
2. 自然资源部大地测量数据处理中心, 陕西西安 710054;
3. 自然资源部第一大地测量队, 陕西西安 710054;
4. 中国地质调查局自然资源航空物探遥感中心, 北京 100083

收稿日期:2021-01-15 修回日期:2021-02-08 发布日期:2021-04-28
通讯作者: 蒋涛 E-mail:jiangtao@casm.ac.cn
作者简介:党亚民(1965—),男,博士,研究员,研究方向为大地测量基准与卫星精密定位。E-mail:dangym@casm.ac.cn
基金资助:
国家自然科学基金（41974010；42074020）

2020 height measurement and determination of Mount Qomolangma

DANG Yamin¹, GUO Chunxi², JIANG Tao¹, ZHANG Qingtao³, CHEN Bin⁴, JIANG Guangwei²

1. Chinese Academy of Surveying and Mapping, Beijing 100830, China;
2. Geodetic Data Processing Centre of Ministry of Natural Resources, Xi'an 710054, China;
3. The First Geodetic Surveying Brigade of Ministry of Natural Resources, Xi'an 710054, China;
4. China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 100083, China

Received:2021-01-15 Revised:2021-02-08 Published:2021-04-28
Supported by:
The National Natural Science Foundation of China (Nos. 41974010;42074020)

摘要/Abstract

摘要： 为实现中国和尼泊尔共同宣布珠峰高程，我国于2019—2020年开展了珠峰高程测量工作，并于2020年5月27日完成峰顶测量。首次在珠峰北侧区域实施航空重力测量、开展峰顶地面重力测量，首次联合航空和地面重力等数据确定了基于国际高程参考系统（international height reference system，IHRS）的珠峰区域重力似大地水准面模型和峰顶大地水准面差距。此次珠峰测量，各种先进测量装备尤其是国产测量仪器全面担纲，通过多种技术手段相互验证和严密检核计算，确保了珠峰高程测量成果的精度和可靠性。最后，中尼双方合作开展数据处理，共同确定珠峰峰顶雪面正高（海拔高）为8 848.86 m。

关键词: 珠峰高程测量, GNSS, 航空重力, 大地水准面, 国际高程参考系统

Abstract: In order to achieve the goal that China and Nepal jointly announce the height of Mount Qomolangma, China has carried out the height measurement campaign of Mount Qomolangma from 2019 to 2020, and completed the summit survey on May 27, 2020. For the first time, airborne gravity survey was conducted in the north region of Mount Qomolangma and ground gravity data at the summit was collected, and the local gravimetric quasigeoid model and the geoid undulation of the summit in the International Height Reference System (IHRS) were determined. A variety of advanced measuring equipment, especially domestic measuring instruments played a full and active role in 2020 campaign. By means of the cross validations between multiple geodetic techniques and the strict checking computations, the accuracy and reliability of the results of 2020 campaign were ensured. Finally, China and Nepal collaborated on the data processing and jointly determined that the orthometric height (altitude) of the snow surface of the summit of Mount Qomolangma is 8 848.86 m.

Key words: height measurement of Mount Qomolangma, GNSS, airborne gravity, geoid, international height reference system

中图分类号:

P223

党亚民, 郭春喜, 蒋涛, 张庆涛, 陈斌, 蒋光伟. 2020珠峰测量与高程确定[J]. 测绘学报, 2021, 50(4): 556-561.

DANG Yamin, GUO Chunxi, JIANG Tao, ZHANG Qingtao, CHEN Bin, JIANG Guangwei. 2020 height measurement and determination of Mount Qomolangma[J]. Acta Geodaetica et Cartographica Sinica, 2021, 50(4): 556-561.

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2020珠峰测量与高程确定

2020 height measurement and determination of Mount Qomolangma

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