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The deformation inversion dataset of Litang area based on Sentinel-1 (2017-2022)
  • 2024/12/24 01:34
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English name
The deformation inversion dataset of Litang area based on Sentinel-1 (2017-2022)
CSTR
CSTR:11738.11.NCDC.GLACIER.DB6691.2024
DOI
10.12072/ncdc.glacier.db6691.2024
Share type
Online
Category
Glacier
source site
Platform service center
contributors
Yan Ao , Yang Honglei , Liu Youfen , Wang Zeping
Datasets description

    The dataset includes cumulative surface subsidence (time1_time2.tif) and deformation rate (sentinel (October 2017 December 2022) deformation rate monitoring results. tif). The data time range is from October 2017 to December 2022, and the data space range is from 98.830 ° E to 100.888 ° E and 29.200 ° N to 30.828 ° N.

Base information
collect time 2017/10/01  -  2022/12/31
collect place Within Litang County
data size 23.4 GiB
data format GeoTIFF
Coordinate system WGS84
Projection GCS_WGS_1984
Data thumbnail
Data source description

    Derived from the Sentinel-1 SAR data of the European Space Agency.

Data processing method

    The corresponding surface deformation rate and cumulative settlement are obtained through image registration, interferometric image pair combination, high coherence point selection, differential interferometry, filtering, phase unwrapping, low-frequency and high-frequency deformation calculation, and geographic coding operations.

Data quality description

    The average standard deviation of deformation values at most monitoring points is in the millimeter range and follows a normal distribution. Through the internal consistency accuracy verification of the monitoring results, it indicates that the monitoring results are at the sub centimeter level and have high reliability.

Project information
# number name type
1 2021YFE0116800 National key R & D plan
Citations and annotations
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For the achievements published in English, please refer to the following specifications： The dataset is provided by National Cryosphere Desert Data Center. (http://www.ncdc.ac.cn).

Data reference
  1. Yan Ao, Yang Honglei, Liu Youfen, Wang Zeping. The deformation inversion dataset of Litang area based on Sentinel-1 (2017-2022). National Cryosphere Desert Data Center(http://www.ncdc.ac.cn), 2024. https://cstr.cn/CSTR:11738.11.NCDC.GLACIER.DB6691.2024.
  2. Yan Ao, Yang Honglei, Liu Youfen, Wang Zeping. The deformation inversion dataset of Litang area based on Sentinel-1 (2017-2022). National Cryosphere Desert Data Center(http://www.ncdc.ac.cn), 2024. https://www.doi.org/10.12072/ncdc.glacier.db6691.2024.
license agreement
Creative Commons License   This work is licensed under a Creative Commons Attribution 4.0 International License.
# title file size
1 _ncdc_meta_.json 4.3 KiB
2 理塘哨兵形变速率
3 理塘哨兵累计形变量
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How to get the data 
east 100.89
west  98.83
south  29.18
north  30.83
Export metadata
Service information
contacts:
Li Hongxing
phone:
0931-4967592
mailbox:
lihongxing@lzb.ac.cn
Contact information
contributors:
Yan Ao , Yang Honglei , Liu Youfen , Wang Zeping
author:
Yan Ao
manager:
Zhao guohui

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