Ground elevation accuracy verification of ICESat-2 data: a case study in Alaska, USA

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成果类型：

期刊论文

作者：

Wang, Cheng;Zhu, Xiaoxiao*;Nie, Sheng*;Xi, Xiaohuan;Li, Dong;...

通讯作者：

Zhu, Xiaoxiao;Nie, Sheng

作者机构：

[Nie, Sheng; Li, Dong; Zhu, Xiaoxiao; Wang, Cheng; Xi, Xiaohuan; Nie, S] Chinese Acad Sci, Aerosp Informat Res Inst, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China.

[Zhu, Xiaoxiao; Wang, Cheng] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China.

[Wang, Cheng] Yunnan Normal Univ, Coll Tourism & Geog Sci, Kunming 650500, Yunnan, Peoples R China.

[Nie, Sheng] HIST Hengyang Base, Hengyang 421002, Peoples R China.

[Zheng, Wenwu] Hengyang Normal Univ, City & Tourism Coll, Hengyang 421002, Peoples R China.

通讯机构：

[Zhu, XX; Nie, S] C

[Zhu, Xiaoxiao] U

[Nie, Sheng] H

Chinese Acad Sci, Aerosp Informat Res Inst, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China.

Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China.

语种：

英文

关键词：

Algorithms;Clouds;Lidar;Multiple scattering;Photons;Radar

期刊：

Optics Express

ISSN：

1094-4087

年：

2019

卷：

期：

页码：

38168-38179

DOI：

10.1364/OE.27.038168

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41901289, 41671434]; Youth Innovation Promotion Association of the Chinese Academy of Sciences [2019130]; Open Fund Project of HIST Hengyang Base

机构署名：

本校为其他机构

摘要：

Accurate estimation of ground elevation on a large scale is essential and worthwhile in topography, geomorphology, and ecology. The Ice, Cloud and Land Elevation Satellite-2 (ICESat-2) mission, launched in September 2018, offers an opportunity to obtain global elevation data over the earth's surface. This paper aimed to evaluate the performance of ICESat-2 data for ground elevation retrieval. To fulfill this objective, our study first tested the availability of existing noise removal and ground photon identification algorithms on ICESat-2 data. Second, the accuracy of ground elevation data ret...

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