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Credit: @Science China Press The Tibetan Plateau (TP), which is also called Earth s Third Pole , is the highest and most extensive plateau in the world. TP is well known as the Asian water tower , where is the largest permafrost region among middle- and low-latitude regions in the world. The average temperature of permafrost on the TP is approximately -2?, this warm permafrost is more sensitive to climate change and human disturbance than that in Arctic. However, the degradation of permafrost may affect the stability of Asian water tower . Mapping the permafrost on the TP is therefore of critical importance. Due to the harsh natural environment, the ground measurement data such as mean annual ground temperature (MAGT) at a depth of zero annual amplitude (10-25 m) in permafrost area of TP is very limited, which leads to the large uncertainty of permafrost map in this area. With the accumulation of ground observation data and remote sensing big data, it is possible to mapping the

Tibetan plateauChina generalInstitute of ecoInstitute of tibetan plateau researchScience china earth sciencesChinese academy of sciences atChinese academy of sciences at lanzhouNorthwest instituteChinese academyTibetan plateau researchTibet plateauThird poleStrategic priority research programNational natural science foundationChina earth sciencesதிபெத்தியன் பீடபூமி