Space-based active optical remote sensing of carbon dioxide column using high-energy two-micron pulsed ipda lidarUpendra N. Singh, Tamer F. Refaat, Syed Ismail, Mulugeta Petros, Kenneth J. Davis, Stephan R. Kawa and Robert T. MenziesEPJ Web Conf., 176 (2018) 02001DOI: https://doi.org/10.1051/epjconf/201817602001