Variations in global land surface phenology: a comparison of satellite optical and passive microwave data

Xiaoye Tong1, Feng Tian2,3, Martin Brandt1, Wenmin Zhang4, Y Liu5,6 and Rasmus Fensholt2, (1)University of Copenhagen, KĂžbenhavn K, Denmark, (2)University of Copenhagen, Copenhagen, Denmark, (3)Lund University, Lund, Sweden, (4)Nanjing University, Nanjing, China, (5)University of New South Wales, Canberra, Australia, (6)Nanjing University of Information Science and Technology, Nanjing, China