@data{b7eee397-c259-41ed-95f1-a084309fead5, author = {Yuan Ma}, cstr = {18406.11.Cryos.tpdc.272724}, doi = {10.11888/Cryos.tpdc.272724}, journal = {A Big Earth Data Platform for Three Poles}, month = {07}, publisher = {}, title = {Global average annual snow cover proportion data (2000-2021)}, url = {http://dx.doi.org10.11888/Cryos.tpdc.272724}, year = {2022} }