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Prospects for Precision Measurement of CO2 Column from SpaceIn order to address the problem of sources and sinks of CO2 measurements are needed on a global scale. Clearly a satellite is a promising approach to meeting this requirement. Unfortunately, most methods for making a CO2 measurement from space involve the whole column. Since sources and sinks at the surface represent a small perturbation to the total column one is faced with the need to measure the column with a precision better than 1%. No species has ever been measured from space at this level. We have developed over the last 3 years a small instrument based upon a Fabry-Perot interferometer that is very sensitive to atmospheric CO2 and has a high signal to noise ratio. We have tested this instrument in a ground based configuration and from aircraft platforms simulating operation from a satellite. We will present results from these tests and discuss ways that this promising new instrument could be used to improve our understanding of the global carbon budget.
Document ID
20050180633
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Heaps, William S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kawa, S. Randolph (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Burris, John F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wilson, Emily L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Georgieva, Elena (Science Systems and Applications, Inc. United States)
Miodek, Marty (Science Systems and Applications, Inc. United States)
Date Acquired
September 7, 2013
Publication Date
April 26, 2005
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: Carbon for Space
Location: Frascati
Country: Italy
Start Date: June 6, 2005
End Date: June 8, 2005
Sponsors: European Space Agency. ESRIN
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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