Jiang, Yibo and Aumann, Hartmut H. and Lau, Marie Wingyee and Yung, Yuk L. (2011) Climate Change Sensitivity Evaluation from AIRS and IRIS Measurements. In: Earth Observing Systems XVI. Proceedings of SPIE. No.8153. Society of Photo-Optical Instrumentation Engineers , Bellingham, WA, Art. No. 81531Z. ISBN 978-0-81948-763-6. https://resolver.caltech.edu/CaltechAUTHORS:20150518-132913105
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Abstract
Outgoing longwave radiation (OLR) measurements over a long period from satellites provide valuable information for climate change. Due to the different coverage, spectral resolution and instrument sensitivities, the data comparisons between different satellites could be problematic and possible artifacts could be easily introduced. In this paper, we illustrate the method and procedures when we compare different satellite measurements by using the data taken by Infrared Interferometric Spectrometer (IRIS) in 1970 and by Atmospheric Infrared Sounder (AIRS) from 2002 to 2010. We use the spectra between 650 cm^(-1) and 1350 cm^(-1) for nadir view footprints in order to match the AIRS and IRIS measurements. Most of the possible sources of error or biases, which include the errors from spatial coverage, spectral resolution, spectra frequency shift due to the field of view, sea surface temperature uncertainty, clear sky determination, and spectra response function (SRF) symmetry, can be corrected. Using the correct SRF is extremely important when comparing spectra in the high slope spectral regions where possible large artifacts could be introduced.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2011 SPIE. This work was carried out at Caltech's Jet Propulsion Laboratory under contract with NASA. | |||||||||
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| Subject Keywords: | Climate Change; Sensitivity; AIRS; IRIS; Calibration; Ozone; CO2; CH4; Longwave Radiation; Modeling | |||||||||
| Series Name: | Proceedings of SPIE | |||||||||
| Issue or Number: | 8153 | |||||||||
| Record Number: | CaltechAUTHORS:20150518-132913105 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150518-132913105 | |||||||||
| Official Citation: | Yibo Jiang ; Hartmut H. Aumann ; Marie Wingyee-Lau ; Yuk L. Yung; Climate change sensitivity evaluation from AIRS and IRIS measurements. Proc. SPIE 8153, Earth Observing Systems XVI, 81531Z (September 13, 2011); doi:10.1117/12.892817 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 57610 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 18 May 2015 20:43 | |||||||||
| Last Modified: | 03 Oct 2019 08:26 |
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