Permafrost regions occupy about 46% of the exposed land area on the Tibetan Plateau (TP). Permafrost is a hidden phenomenon that cannot be easily observed, and its distribution is hence heavily dependent on in-situ observations. Four methods are used to derive permafrost presence or absence over the TP, including borehole temperature, soil pit, ground surface temperature, and ground-penetrating radar surveys. There are a total of 626 sites of permafrost presence or absence contained in the inventory. In order to apply the permafrost presence or absence inventory more broadly, the degree of confidence in the data is estimated and provided in the inventory. The inventory provided a baseline for the presence or absence of pernmafrost at point scale on the TP, and could be additionally used for permafrost simulation evalution.

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Inventory of permafrost presence or absence evidence on Tibet Plateau (v1.0)

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Cao, B., Zhang, T., Wu, Q., Zhao, L., Zou, D. (2019). Inventory of Permafrost Presence or Absence over the Tibetan Plateau (v1.0) (From 1950s). A Big Earth Data Platform for Three Poles, DOI: 10.11888/Geocry.tpdc.271287. CSTR: 18406.11.Geocry.tpdc.271287. (Download the reference： RIS | Bibtex )

Related Literatures:

1. Cao, B., Zhang, T., Wu, Q., Sheng, Y., Zhao, L., & Zou, D. (2019). Brief communication: Evaluation and inter-comparisons of Qinghai–Tibet Plateau permafrost maps based on a new inventory of field evidence, The Cryosphere, 13, 511–519, https://doi.org/10.5194/tc-13-511-2019.( View Details | Download | Bibtex)

2. Cao, B., Li, X., Feng, M., & Zheng, D. (2021). Quantifying overestimated permafrost extent driven by rock glacier inventory. Geophysical Research Letters, 48, e2021GL092476. https://doi.org/10.1029/2021GL092476( View Details | Bibtex)

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