Double-Pulse Two-micron LPDA Lidar Simulation for Airborne Carbon Dioxide Measurements
NASA Langley Research Center, Hampton, VA 23681, USA
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Published online: 7 June 2016
An advanced double-pulse 2-μm integrated path differential absorption lidar has been developed at NASA Langley Research Center for measuring atmospheric carbon dioxide. The instrument utilizes a state-of-the-art 2-μm laser transmitter with tunable on-line wavelength and advanced receiver. Instrument modeling and airborne simulations are presented in this paper. Focusing on random errors, results demonstrate instrument capabilities of performing precise carbon dioxide differential optical depth measurement with less than 3% random error for single-shot operation up to 11 km altitude. This study is useful for defining CO2 measurement weighting function for adaptive targeting, instrument setting, validation and sensitivity trade-offs.
© Owned by the authors, published by EDP Sciences, 2016
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