筛选: Committee Liu, Yang, Emory University 删除限定条件 Committee: Liu, Yang, Emory University Committee Tolbert, Paige, Emory University 删除限定条件 Committee: Tolbert, Paige, Emory University Keyword Appalachia 删除限定条件 Keyword: Appalachia Keyword NDVI 删除限定条件 Keyword: NDVI Research Field Environmental Sciences 删除限定条件 Research Field: Environmental Sciences