Near-global atmospheric distributions of carbonyl sulfide (OCS) isotopologues
Yousefi, Mahdi
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https://hdl.handle.net/2142/100852
Description
Title
Near-global atmospheric distributions of carbonyl sulfide (OCS) isotopologues
Author(s)
Yousefi, Mahdi
Contributor(s)
Boone, Chris
Bernath, Peter F.
Issue Date
2018-06-22
Keyword(s)
Atmospheric science
Abstract
The distributions of the three most abundant isotopologues of carbonyl sulfide (OCS, O13CS, and OC34S) have been measured in the Earth’s stratosphere by infrared remote sensing with the Atmospheric Chemistry Experiment (ACE) Fourier transform spectrometer. These satellite observations have provided a near-global picture of OCS isotopic fractionation. The ACE data indicate a different enrichment trend with altitude for the O13CS and OC34S isotopologues. The seasonal variation of the isotopologue enrichment was also studied using the ACE data. The Whole Atmosphere Community Climate Model (WACCM) has been used to model OCS and its isotopologue distributions in the stratosphere.
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