@data{d1169b0a-ea0d-4ca8-9103-d759b8fc89cd, author = {NASA EOSDIS LP DAAC and Xiyan Xu}, cstr = {}, doi = {}, journal = {A Big Earth Data Platform for Three Poles}, month = {06}, publisher = {}, title = {The MODIS remote sensing vegetation phenology at returning green stage in spring(2001-2014)}, url = {http://dx.doi.org}, year = {2019} }