Comparison of Spectral Characteristics Between China HJ1-CCD and Landsat 5 TM Imagery Guoqing Li, Xiaobing Li, Guoming Li, Wanyu Wen, Han Wang, Lihong Chen, Jingjing Yu, and Fei Deng Abstract—The Landsat 5 mission is in jeopardy. Therefore,theUnited States Geological Survey (USGS) is expl ...