A comparison of spring phenology estimated by multi datasets for snow-covered forests

Chang Qing1, Xiangming Xiao2, Wenzhe Jiao3, Xiaocui Wu4, Russell Doughty5, Jie Wang6, Zhenhua Zou5 and Yuanwei Qin1,7, (1)University of Oklahoma Norman Campus, Norman, OK, United States, (2)Department of Microbiology and Plant Biology, Center for Spatial Analysis, University of Oklahoma, Norman, United States, (3)Indiana University Purdue University Indianapolis, Department of Earth Sciences, Indianapolis, IN, United States, (4)University of Oklahoma, Department of Microbiology and Plant Biology, Norman, OK, United States, (5)University of Oklahoma, Department of Microbiology and Plant Biology, Center for Spatial Analysis, Norman, OK, United States, (6)University of Oklahoma Norman Campus, Department of Microbiology and Plant Biology, Center for Spatial Analysis, Norman, OK, United States, (7)University of Oklahoma, Norman, OK, United States