NDLI: Influence of HITRAN database updates on retrievals of atmospheric CO$

Content Provider	Springer Nature Link
Author	Dai, Tie Shi, Guangyu Zhang, Xingying Xu, Na
Copyright Year	2012
Abstract	The line-transition parameters of the High Resolution Transmission (HITRAN) 2008 database have been updated relative to previous editions. The transmission spectra and sensitivity to changes in CO$_{2}$ concentrations using line parameters from the HITRAN 2004 and HITRAN 2008 databases are compared to evaluate the effect of the database updates on retrievals of carbon dioxide vertical columns from near-infrared reflected sunlight. This comparison is done in three spectral regions covering the 2.06-, 1.61-, and 1.58-µm CO$_{2}$ bands used by the Greenhouse Gases Observatory Satellite (GOSAT) instrument and the planned successor to the Orbiting Carbon Observatory (OCO). The updates to the HITRAN database have the largest effects on the transmittance and the off-line to on-line transmittance ratio in the 2.06-µm region and the smallest effects on these parameters in the 1.58-µm region. The influence of the updates to the HITRAN database on the off-line to on-line ratio calculation in the narrow spectral region 4855–4880 cm$^{−1}$ could be equivalent to a change in CO$_{2}$ of more than 50 ppmv. Use of the HITRAN 2004 database will lead to an underestimate of the column CO$_{2}$ abundance in the 2.06- and 1.61-µm spectral regions, whereas it will lead to an overestimate of the column CO$_{2}$ abundance in the 1.58-µm spectral region.
Starting Page	629
Ending Page	641
Page Count	13
File Format	PDF
ISSN	08940525
Journal	Journal of Meteorological Research
Volume Number	26
Issue Number	5
e-ISSN	21914788
Language	English
Publisher	The Chinese Meteorological Society
Publisher Date	2012-11-13
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	HITRAN database atmospheric CO$_{2}$ concentration near-infrared Meteorology/Climatology Geophysics and Environmental Physics Atmospheric Protection/Air Quality Control/Air Pollution Climate Change
Content Type	Text
Resource Type	Article
Subject	Ocean Engineering Atmospheric Science

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