RETRIEVAL OF MAJOR GREENHOUSE GAS PROFILES WITH LEO-GROUND INFRARED LASER OCCULTATION (LGIO) TECHNIQUE | Zendy

Mu-Min Chiou | Zendy; JeanFu Kiang | Zendy

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RETRIEVAL OF MAJOR GREENHOUSE GAS PROFILES WITH LEO-GROUND INFRARED LASER OCCULTATION (LGIO) TECHNIQUE

Author(s) -

Mu-Min Chiou,

JeanFu Kiang

Publication year - 2017

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb16110701

Subject(s) - occultation , greenhouse gas , environmental science , infrared , remote sensing , laser , greenhouse , geology , physics , optics , astronomy , horticulture , oceanography , biology

A LEO-ground infrared laser occultation (LGIO) technique is proposed to retrieve the greenhouse gas (GHG) profiles at a specific location, which is practical for monitoring regional weather and climate changes. The harmony search (HS) algorithm with ensemble consideration is applied to retrieve the volume mixing ratio (VMR) profiles of three major GHGs (CO₂, CH₄ and N₂O) and H₂O. The vertical resolution is 1 km below 20 km. The error of VMR with this method is below 10, 5, 5 and 3 % for H₂O, CH₄, N₂O and CO₂, respectively, at the altitudes from ground to 45 km.

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