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Fabry-Perot Interferometer for Column CO 2 Instrument Incubator Program, FY02-04

Fabry-Perot Interferometer for Column CO 2 Instrument Incubator Program, FY02-04 Principal Investigator : William S. Heaps, Laser and Electronic Optics Branch Co-Principal Investigator : S. Randolph Kawa, Atmospheric Chemistry and Dynamics Branch

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Fabry-Perot Interferometer for Column CO 2 Instrument Incubator Program, FY02-04

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  1. Fabry-Perot Interferometer for Column CO2 Instrument Incubator Program, FY02-04 Principal Investigator : William S. Heaps, Laser and Electronic Optics Branch Co-Principal Investigator : S. Randolph Kawa, Atmospheric Chemistry and Dynamics Branch Co-Investigators : Arlyn E. Andrews, Atmospheric Chemistry and Dynamics Branch John F. Burris, Atmospheric Chemistry and Dynamics Branch Jianping Mao, Science Systems and Applications, Inc.

  2. Fabry-Perot Interferometer for Column CO2 Objective: To construct a prototype instrument for deployment on aircraft that will demonstrate the feasibility of an innovative technique for measuring column CO2 abundances in the atmosphere. Relation to Earth Science Strategy:1)What trends in atmospheric constituents are driving global climate and 2) How well can cycling of carbon through the Earth system be modeled and how reliable are predictions of future atmospheric concentrations of carbon dioxide and methane?

  3. Fabry-Perot Interferometer for Column CO2 Space-based Measurement Approach Satellite Passive (reflected solar) Sensing CO2 in the atmosphere

  4. Fabry-Perot Interferometer for Column CO2 Measurement Approach-Spectra Calculated CO2 Spectrum Langley Airborne A-Band Spectrometer

  5. Fabry-Perot Filter Characteristics n  Fabry-Perot Interferometer for Column CO2 Instrument Approach Fabry-Perot Etalon Spectrometer

  6. Fabry-Perot Interferometer for Column CO2 Status: Laboratory bench top instrument assembled, CO2 channel ready for ambient testing.

  7. Fabry-Perot Interferometer for Column CO2 • Schedule: Benchtop sensitivity testing - FY02, Design and fabricate aircraft version - FY03, Assemble, test, fly, and analyze data - FY04. • Budget: ~ $1.5M / 3 years • Future Plans: Deploy in planned interagency North American Carbon Program, FY04-05, and future aircraft campaigns. • Pathway to Space: • Potential robust, low-cost space instrument • Combined with array detector, ideal for geosynchronous imaging • Variety of other species amenable to technique including CO, CH4

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