Remote sensing of CH4 column concentration in the atmosphere based on direct sun infrared absorption spectroscopy
CHENG Si-yang, GAO Min-guang, XU Liang, JIN Ling, LI Sheng, Tong Jing-jing, LIU Jian-guo, LIU Wen-qing
Chinese Journal of Quantum Electronics . 2014, (1): 18 -24 .