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Proceedings Paper

Methane measurements from space: technical challenges and solutions
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Paper Abstract

We report on an airborne demonstration of atmospheric methane (CH4) measurements with an Integrated Path Differential Absorption (IPDA) lidar using an optical parametric oscillator (OPO) and optical parametric amplifier (OPA) laser transmitter and a sensitive avalanche photo detector. The lidar measures the CH4 absorption at multiple, discrete wavelengths around 1650.9 nm. In September 2015, the instrument was deployed on NASA’s DC-8 airborne laboratory and measured atmospheric methane over a wide range of topography and weather conditions from altitudes of 3 km to 13 km. In this paper, we will review the results from our flights, and identify areas of improvement.

Paper Details

Date Published: 5 May 2017
PDF: 10 pages
Proc. SPIE 10191, Laser Radar Technology and Applications XXII, 1019104 (5 May 2017); doi: 10.1117/12.2262516
Show Author Affiliations
Haris Riris, NASA Goddard Space Flight Ctr. (United States)
Kenji Numata, NASA Goddard Space Flight Ctr. (United States)
Stewart Wu, NASA Goddard Space Flight Ctr. (United States)
Brayler Gonzalez, NASA Goddard Space Flight Ctr. (United States)
Michael Rodriguez, Sigma Space Corp. (United States)
Stephan Kawa, NASA Goddard Space Flight Ctr. (United States)
Jianping Mao, Univ. of Maryland (United States)


Published in SPIE Proceedings Vol. 10191:
Laser Radar Technology and Applications XXII
Monte D. Turner; Gary W. Kamerman, Editor(s)

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