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Retrieval of Major Greenhouse Gas Profiles with LEO-Ground Infrared Laser Occultation (LGIO) Technique

By Mu-Min Chiou and Jean-Fu Kiang
Progress In Electromagnetics Research B, Vol. 72, 149-168, 2017


A LEO-ground infrared laser occultation (LGIO) technique is proposed to retrieve the greenhouse gas (GHG) profiles around a specific location, including the analysis of key factors and practical issues that may affects its efficacy. A harmony search with ensemble consideration (HS-EC) algorithm is applied to retrieve the volume mixing ratio (VMR) profiles of H2O and three major GHGs, CO2, CH4 and N2O. The vertical resolution of retrieved GHG profiles is 1 km from ground level up to 20 km at height. The errors in VMR of H2O, CH4, N2O and CO2 are below 10, 5, 5 and 3%, respectively, up to 45 km above ground.


Mu-Min Chiou and Jean-Fu Kiang, "Retrieval of Major Greenhouse Gas Profiles with LEO-Ground Infrared Laser Occultation (LGIO) Technique," Progress In Electromagnetics Research B, Vol. 72, 149-168, 2017.


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