According to the characteristics of terrain data related to different glacier regions, the elevation data of glacier regions are extracted using the established glacier elevation extraction method. The technical route mainly includes:, Using multi-source elevation difference correction method, DEMs registration and elevation correlation deviation correction are realized through Matlab programming, and finally the glacier elevation change from 1970 to 2000 is calculated; (2) Extracting glacier elevation change based on ICEsat data: First, convert GLA14 binary format data into ASCII text data using IDL Readers tool provided by NSIDC, then conduct saturation correction and post-processing of slope and cloud error elimination through Matlab programming, and use multi-source elevation difference correction method to achieve ICEsat and SRTM data registration and elevation related deviation correction, Finally, the annual change trend regression fitting method is used to obtain the elevation change of glaciers from 2003 to 2009; (3) According to two different types of glacier terrain data, the glacier elevation change is extracted.

File naming and required software

The elevation change of Jiong Glacier in the southeast of Qinghai Tibet Plateau from 2000 to 2012 is stored in tiff data format, and the grid point data represents the elevation change value of the glacier. The data unit is m.

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Cite as:

Zhou, J. (2022). Elevation change of Jiong Glacier in the southeast of Qinghai Tibet Plateau from 2000 to 2012. A Big Earth Data Platform for Three Poles, DOI: 10.11888/Cryos.tpdc.272869. CSTR: 18406.11.Cryos.tpdc.272869. (Download the reference： RIS | Bibtex )

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Support Program

CASEarth:Big Earth Data for Three Poles（grant No. XDA19070000） (No:XDA19000000)

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