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@ARTICLE{Lennartz:892647,
author = {Lennartz, Sinikka T. and Gauss, Michael and von Hobe, Marc
and Marandino, Christa A.},
title = {{M}onthly resolved modelled oceanic emissions of carbonyl
sulphide and carbon disulphide for the period 2000–2019},
journal = {Earth system science data},
volume = {13},
number = {5},
issn = {1866-3516},
address = {Katlenburg-Lindau},
publisher = {Copernics Publications},
reportid = {FZJ-2021-02233},
pages = {2095 - 2110},
year = {2021},
abstract = {Carbonyl sulphide (OCS) is the most abundant, long-lived
sulphur gas in the atmosphere and a major supplier of
sulphur to the stratospheric sulphate aerosol layer. The
short-lived gas carbon disulphide (CS2) is oxidized to OCS
and constitutes a major indirect source to the atmospheric
OCS budget. The atmospheric budget of OCS is not well
constrained due to a large missing source needed to
compensate for substantial evidence that was provided for
significantly higher sinks. Oceanic emissions are associated
with major uncertainties. Here we provide a first, monthly
resolved ocean emission inventory of both gases for the
period 2000–2019 (available at
https://doi.org/10.5281/zenodo.4297010) (Lennartz et al.,
2020a). Emissions are calculated with a numerical box model
(2.8°×2.8° resolution at the Equator, T42 grid) for the
oceanic surface mixed layer, driven by ERA5 data from ECMWF
and chromophoric dissolved organic matter (CDOM) from Aqua
MODIS. We find that interannual variability in OCS emissions
is smaller than seasonal variability and is mainly driven by
variations in CDOM, which influences both photochemical and
light-independent production. A comparison with a global
database of more than 2500 measurements reveals overall good
agreement. Emissions of CS2 constitute a larger sulphur
source to the atmosphere than OCS and equally show
interannual variability connected to variability in CDOM.
The emission estimate of CS2 is associated with higher
uncertainties as process understanding of the marine cycling
of CS2 is incomplete. We encourage the use of the data
provided here as input for atmospheric modelling studies to
further assess the atmospheric OCS budget and the role of
OCS in climate.},
cin = {IEK-7},
ddc = {550},
cid = {I:(DE-Juel1)IEK-7-20101013},
pnm = {211 - Die Atmosphäre im globalen Wandel (POF4-211)},
pid = {G:(DE-HGF)POF4-211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000653628200003},
doi = {10.5194/essd-13-2095-2021},
url = {https://juser.fz-juelich.de/record/892647},
}