Methane Sensing Flight of Scanning HIS over Hutchinson, KS, 31 March 2001

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Scanning HIS: ER2 Centerline Pod
(HIS= High-resolution Interferometer Sounder)

Sample S-HIS Radiances-24 August 2000
SAFARI Terra Overpass-Clear Water

Comparison of S-HIS Observed Spectrum with Calculation
--Centered near the 7.7 mm methane band
 (ARM Atmospheric Profile, climatological CH4 in LBLRTM)

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