Continued Increases of Gross Primary Production in Urban Areas During 2000 – 2016

Xiangming Xiao, University of Oklahoma Norman Campus, Department of Microbiology and Plant Biology, Norman, United States, Yaoping Cui, Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, Kaifeng, China, Jinwei Dong, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, Yao Zhang, Peking University, Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Beijing, China, Yuanwei Qin, University of Oklahoma, Department of Microbiology and Plant Biology, Norman, United States, Russell Doughty, California Institute of Technology, Pasadena, CA, United States, Xiaocui Wu, University of Illinois, Urbana-Champaign, United States, Xiaoyan Liu, Henan University, Kaifeng, China, Joanna Joiner, NASA Goddard Space Flight Ctr., Greenbelt, MD, United States and Berrien Moore III, University of Oklahoma, School of Meteorology, Norman, OK, United States