The Urban Heat Island Analysis of Changsha-zhuzhou-xiangtan Urban Agglomeration Aased on Modis DataJiao Yuan, Jingwen Li, Suxian Ye, Xiaoqiang Han and Yao HuE3S Web Conf., 53 (2018) 03045DOI: https://doi.org/10.1051/e3sconf/20185303045