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Advancements Towards Active Remote Sensing of CO2 from Space Using Intensity-Modulated, Continuous-Wave (IM-CW) LidarThe Active Sensing of CO2 Emissions over Nights, Days, and Seasons (ASCENDS) CarbonHawk Experiment Simulator (ACES) is a NASA Langley Research Center instrument funded by NASA’s Science Mission Directorate that seeks to advance technologies critical to measuring atmospheric column carbon dioxide (CO2) mixing ratios in support of the NASA ASCENDS mission. The ACES instrument, an Intensity-Modulated Continuous-Wave (IM-CW) lidar, was designed for high-altitude aircraft operations and can be directly applied to space instrumentation to meet the ASCENDS mission requirements. The ACES design demonstrates advanced technologies critical for developing an airborne simulator and spaceborne instrument with lower platform consumption of size, mass, and power, and with improved performance. ACES recently flew on the NASA DC-8 aircraft during the 2017 NASA ASCENDS/Arctic-Boreal Vulnerability Experiment (ABoVE) airborne measurement campaign to test ASCENDS-related technologies in the challenging Arctic environment. Data were collected over a wide variety of surface reflectivities, terrain, and atmospheric conditions during the campaign’s 8 research flights. ACES also flew during the 2017 and 2018 Atmospheric Carbon and Transport – America (ACT-America) Earth Venture Suborbital -2 (EVS-2) campaigns along with the primary ACT-America CO2 lidar, Harris Corporation’s Multi-Frequency Fiber Laser Lidar (MFLL). Regional CO2 distributions of the lower atmosphere were observed from the C-130 aircraft during the ACT-America campaigns in support of ACT-America’s science objectives. The airborne lidars provide unique data that complement the more traditional in situ sensors. This presentation shows the applications of CO2 lidars in meeting these science needs from airborne platforms and an eventual spacecraft.



Document ID
20190033240
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Obland, Michael D. (NASA Langley Research Center Hampton, VA, United States)
Corbett, Abigail M. (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Lin, Bing (NASA Langley Research Center Hampton, VA, United States)
Meadows, Byron (NASA Langley Research Center Hampton, VA, United States)
Campbell, Joel F. (NASA Langley Research Center Hampton, VA, United States)
Kooi, Susan (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Fan, Tai-Fang (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Carrion, William (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Hicks, Jonathan (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Sparrow, Joseph (NASA Langley Research Center Hampton, VA, United States)
Browell, Edward V. (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Dobler, Jeremy (Harrison and Co. Fairfax, VA, United States)
DiGangi, Josh (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
November 26, 2019
Publication Date
September 10, 2018
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
NF1676L-29689
Meeting Information
Meeting: SPIE Remote Sensing 2018
Location: Berlin
Country: Germany
Start Date: September 10, 2018
End Date: September 13, 2018
Sponsors: International Society for Optical Engineering
Funding Number(s)
WBS: 304029.01.04.05.02
Distribution Limits
Public
Copyright
Public Use Permitted.

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