TY - JOUR A1 - Yue, X. A1 - Unger, N. A1 - Keenan, T. F. A1 - Zhang, X. A1 - Vogel, C. S. T1 - Probing the past 30-year phenology trend of US deciduous forests JO - Biogeosciences J1 - BG VL - 12 IS - 15 SP - 4693 EP - 4709 Y1 - 2015/08/06 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/12/4693/2015/ L1 - https://bg.copernicus.org/articles/12/4693/2015/bg-12-4693-2015.pdf DO - 10.5194/bg-12-4693-2015 ER -