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| Titel |
Anthropogenic carbon dioxide source regions observed from space |
| VerfasserIn |
Oliver Schneising, Jens Heymann, Michael Buchwitz, Maximilian Reuter, Heinrich Bovensmann, John P. Burrows |
| Konferenz |
EGU General Assembly 2013
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 15 (2013) |
| Datensatznummer |
250076039
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| Zusammenfassung |
| Urban areas, which are home to the majority of today’s world population, are responsible for
more than two-thirds of the global energy-related carbon dioxide emissions. Given the
ongoing demographic growth and rising energy consumption in metropolitan regions
particularly in the developing world, urban-based emissions are expected to further increase
in the future. As a consequence, monitoring and independent verification of reported
anthropogenic emissions is becoming more and more important.
It is demonstrated using CO2 column-averaged mole fraction data retrieved from the
SCIAMACHY instrument onboard ENVISAT that anthropogenic CO2 emissions can be
detected from space and that emission trends might be tracked using satellite observations.
This is promising with regard to future satellite missions with high spatial resolution and
wide swath imaging capability aiming at constraining anthropogenic emissions down to the
point-source scale.
By subtracting retrieved background values from those retrieved over urban areas the
regional contrasts are quantified and significant CO2 enhancements are found for
several anthropogenic source regions around the world. The order of magnitude of
the enhancements is in agreement with what is expected for anthropogenic CO2
signals. The validity of the retrieved spatial enhancement patterns and of the temporal
trends of the retrieved enhancements is assessed by comparison with anthropogenic
emissions from the Emission Database for Global Atmospheric Research (EDGAR). |
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