The spectral characteristics of different land use types are mainly determined by spectrograph in the surface spectral data set of Qinghai Tibet Plateau. The measured ground features are mainly divided into woodland, (Alpine) shrub, (Alpine) grassland, wetland, cultivated land and bare land. It includes the field observation points in Lhasa, Linzhi, Shigatse, Ali and Naqu. The spectral characteristics of forests were measured based on the different growth stages of vegetation; The spectral characteristics of grassland were measured based on different coverage; The spectral characteristics of cultivated land were measured based on the main crop types, rape flowers and highland barley; The measurements of wetlands were conducted on the rivers, low-lying valleys and lakes; The measurements of bare lands were conducted on the desert, Gobi and roads, which have no vegetation cover. The measurement conducted from July to August in 2019, and the data is daily observation data. The data set can provide a reference for the field verification of remote sensing interpretation.

File naming and required software

File naming: the data is stored in. asd file, the folder is named as sampling date, and the file is named as XX-YY-P*-***. asd, where XX represents the county where the sampling is conducted. YY represents the land use type where the sample is located, and P* is the sampling point code, and *** is the automatic sampling serial number by instrument. Each sample is automatically collected 10 times by the spectrometer, so it is labeled in order. For example, YD-CD-P1-000.asd represents the first data of the first sampling point collected in Yadong County, and the file name of the end of the first sampling point is YD-CD-P1-009.asd, and so on). Generally, three sampling points are collected for the same feature type. In addition, each sampling point is provided with text and photo instructions, which are located in the "ZZZZZZZZ-daily record" folder. For example, 0722-YD-daily record.doc represents the environmental records of the sampling point in Yadong County on July 22.
Data reading mode: the data set can be opened by the spectrum processing software viewspecpro.

Data Citations Data citation guideline What's data citation?

Cite as:

Feng, X. (2021). Tibetan Plateau surface spectral data set (2019). A Big Earth Data Platform for Three Poles, DOI: 10.11888/Geogra.tpdc.271297. CSTR: 18406.11.Geogra.tpdc.271297. (Download the reference： RIS | Bibtex )

Using this data, the data citation is required to be referenced and the related literatures are suggested to be cited.

Support Program

Second Tibetan Plateau Scientific Expedition Program

Copyright & License

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License： This work is licensed under an Attribution 4.0 International (CC BY 4.0)