Shipping Emissions in Rapidly Growing Seaports in Africa Determined with TROPOMI
Domain:
environment and energygeospatialRecord type:
paper
Creator:
GonEloKarLei
Publisher:
Host:
Seaports in Africa are expanding rapidly to meet an increasing demand
for imported goods in Africa and for natural resources and manufactured
goods from the continent. Emissions from shipping and anthropogenic
activities at seaports, in particular nitrogen oxides
(NO
x
), are challenging to estimate. This impacts our
ability to determine the impacts of shipping activities on ozone air
pollution for a continent that is NO
x
limited. Here we
develop an approach to oversample tropospheric column observations of
nitrogen dioxide (NO
2
) from the recently launched high
spatial resolution TROPOMI instrument to determine NO
x
emissions from shipping activities at major seaports along the African
coastline from August 2019 to July 2020. We use these to evaluate
state-of-science emission inventories and determine temporal variability
in these emissions for improved implementation in global and regional
models.
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