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Proceedings Paper

CARVE-FTS observations of arctic CO2, CH4, and CO: overview of the instrument
Author(s): Fabien Dupont; François Tanguay; Manyuan Li; Gaetan Perron; Charles E. Miller; Steven J. Dinardo; Thomas P. Kurosu
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Paper Abstract

CARVE-FTS is a near-IR Fourier-Transform Spectrometer (FTS) used by the Jet Propulsion Laboratory (JPL) for the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE). CARVE is a 5-year mission of intensive aircraft campaigns in the Alaskan Arctic selected as part of NASA’s Earth Ventures program (EV-1). The CARVE-FTS has been designed, manufactured and tested by ABB Inc. The objective of this instrument is to provide integrated column measurements of carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO). The system is inspired from the TSUKUBA-FTS built by ABB for the Japanese Aerospace Exploration Agency (JAXA). JAXA uses the instrument for preparation, calibration and validation within the GOSAT program. The instrument is a Michelson based FTS with three spectral bands. The light modulator is a Michelson single pass type interferometer with large aperture and medium spectral resolution. It provides infrared spectra from 12,900 cm-1 to 13,200 cm-1, from 5,800 cm-1 to 6,400 cm-1, and from 4,200 cm-1 to 4,900 cm-1. This instrument is also able to measure the scene radiance with S and P polarization simultaneously using monopixel detectors. The instrument is mounted on a damping platform and is installed in an aircraft. It delivers continuous data for flight campaigns over the Alaskan Arctic. SNR higher than 100 is reached for each band and the measured ILS full width at half maximum is as low as 0.26 cm-1 at 6,566 cm-1. We present the instrument design, its specification and test results obtained at ABB.

Paper Details

Date Published: 19 October 2012
PDF: 10 pages
Proc. SPIE 8532, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2012, 853204 (19 October 2012); doi: 10.1117/12.979826
Show Author Affiliations
Fabien Dupont, ABB, Remote Sensing Group (Canada)
François Tanguay, ABB, Remote Sensing Group (Canada)
Manyuan Li, ABB, Remote Sensing Group (Canada)
Gaetan Perron, ABB, Remote Sensing Group (Canada)
Charles E. Miller, Jet Propulsion Lab. (United States)
Steven J. Dinardo, Jet Propulsion Lab. (United States)
Thomas P. Kurosu, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 8532:
Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2012
Charles R. Bostater; Stelios P. Mertikas; Xavier Neyt; Caroline Nichol; Dave Cowley; Jean-Paul Bruyant, Editor(s)

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