volume | PIER Journals

Abstract

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.

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Dr. Mu-Min Chiou

Prof. Jean-Fu Kiang