High-resolution atmospheric absorption by water vapor in the 830-985 nm region: Evaluation of spectroscopic databases

Details High-resolution atmospheric absorption by water vapor in the 830-985 nm region: Evaluation of spectroscopic databases High-resolution atmospheric absorption by water vapor in the 830-985 nm region: Evaluation of spectroscopic databases

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28.3115s&link_type=abstract

Geophysical Research Letters, Volume 28, Issue 16, p. 3115-3118

Computer Science

Databases

6

Atmospheric Composition And Structure, Atmospheric Composition And Structure: Middle Atmosphere-Energy Deposition, Atmospheric Composition And Structure: Transmission And Scattering Of Radiation

Scientific paper

We present high spectral resolution (0.05 cm-1) ground-based measurements of direct solar absorption in the clear-sky atmosphere by water vapor over the 830 to 985 nm (10,150-12,050 cm-1) region. Observations were made from the Rutherford Appleton Laboratory on several days in different seasons during 1999. Using these observations water vapor line data in HITRAN and the ESA-WVR database, derived from new laboratory measurements and theoretical calculations, are evaluated. Examples of inter-comparisons between these databases and high-resolution atmospheric transmittance spectra are given. The ESA-WVR and HITRAN 2000 databases were found to give consistently better representations of clear-sky absorption by water vapor in our measurements than previous editions of HITRAN, confirming that spectroscopic errors in databases account in part for discrepancies between modeled and observed short-wave absorption.

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