HIGH ACCURACY LINE INTENSITIES FOR NEAR-INFRARED CARBON DIOXIDE BANDS

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https://hdl.handle.net/2142/104361

Title: HIGH ACCURACY LINE INTENSITIES FOR NEAR-INFRARED CARBON DIOXIDE BANDS
Author(s): Long, David A.
Contributor(s): Hodges, Joseph T.; Mendonca, Joseph ; Fleurbaey, Helene M; Yi, Hongming ; Adkins, Erin M.; Fleisher, Adam J.; Reed, Zachary
Issue Date: 2019-06-20
Keyword(s): Atmospheric science
Abstract: The near-infrared bands of carbon dioxide (CO$_{2}$) play an important role in point source as well as remote sensing measurements. Here we have measured high accuracy line intensities for the (30012)$\leftarrow$(00001), (30013)$\leftarrow$(00001), and (30014)$\leftarrow$(00001) bands near 1.6 $\mu$m. Three separate cavity ring-down spectrometers were employed: a frequency-agile, rapid scanning spectrometer and two frequency-stabilized spectrometers. Through this combination of instruments, we have reached relative combined standard uncertainties as low as 0.1$\%$ for the band intensities. I will discuss these measurements as well as comparisons to existing spectroscopic models and databases. Finally, I will present the results of atmospheric retrievals using these line intensities.
Publisher: International Symposium on Molecular Spectroscopy
Type of Resource: text
Language: English
Permalink: http://hdl.handle.net/2142/104361
DOI: 10.15278/isms.2019.RJ04