ISSN:
1436-5073
Keywords:
downwelling emission
;
FTIR
;
radiometric
;
atmosphere
;
H2O (water)
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract Radiometrically accurate downwelling emission from the atmosphere has been measured using a ground-based ambient temperature Michelson interferometer with a liquid-helium-cooled SiAs detector. Measurements were made under a wide range of atmospheric conditions covering very-cold, very-dry, very-clear sky conditions to heavy overcast with traces of sleet. Spectral resolutions of 0.5 and 0,1 cm−1 were obtained with a radiometric accuracy of less than 0.5 K and a noise level on the order of 0.25 K rms. Overflights were made with the NASA ER2 high altitude research aircraft carrying a similar instrument [1, 2]. Aircraft and ground based LIDAR, radiosonde and other cloud physics experiments were also made at the same time to provide a data set complete enough to enable a much better understanding of the role of thin high clouds in the Earth's radiation balance. Measurements were made over the period from 10/24/86 to 11/21/86 in support of the NOAA/NASA/NSF project FIRE (First ISCCP Regional Experiment).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01349801
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