Computer Science – Sound
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3615829n&link_type=abstract
Geophysical Research Letters, Volume 36, Issue 15, CiteID L15829
Computer Science
Sound
Geochemistry: Composition Of The Moon, Geochemistry: Composition Of The Moon, Geochemistry: Composition Of The Moon, Geochemistry: Composition Of The Moon
Scientific paper
Retrievals of mesospheric O3 using the 1.27 μm emission of O2(a 1Δg, υ = 0) are critically dependent on the O2(1Δg) loss rate, which remains an uncertain parameter. We have analyzed the loss of O2(1Δg) after sunset using measurements of its 1.27 μm emission by the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) experiment aboard the Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) spacecraft. The observed loss rates in the 70 to 90 km altitude region were fit using the Einstein A-Coefficient at 1.27 μm and O2 collisional quenching rate coefficient as parameters. Our results agree well with currently accepted values, and confirm the only existing laboratory measurement of the quenching rate coefficient at mesospheric temperatures.
Nair Hari
Yee Jeng-Hwa
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