TY - JOUR A1 - Xu, X. A1 - Riley, W. J. A1 - Koven, C. D. A1 - Jia, G. T1 - Spring phenology and phenology-climate links inferred from two remotely sensed vegetation indices across regions and biomes JO - Biogeosciences Discuss. J1 - BGD VL - 2018 SP - 1 EP - 33 Y1 - 2018/07/06 PB - Copernicus Publications SN - 1810-6285 UR - https://bg.copernicus.org/preprints/bg-2018-257/ L1 - https://bg.copernicus.org/preprints/bg-2018-257/bg-2018-257.pdf DO - 10.5194/bg-2018-257 ER -