1.Long-term series of daily snow depth dataset over the Northern Hemisphere based on machine learning (1980-2019)

       POLES TPDC

    2.A biophysical permafrost zonation map in the Northern Hemisphere (2000-2016)

       POLES TPDC

    3.The annual temperature spatial distribution and time variation characteristics dataset of the Northern Hemisphere(1971-2000)

       POLES TPDC

    4.The lake ice phenology dataset of the Northern Hemisphere (1978-2018)

       POLES TPDC

    5.Daily cloud-free snow products of MODIS in the northern hemisphere (2000-2016)

       POLES TPDC