What prevents us from measuring δ13CO2 in atmospheric column from Earth and Space
Abstract
Monitoring of greenhouse gases isotopic concentration ratios in the atmosphere can provide important information about their sources and sinks and atmospheric transport mechanisms thanks to the fact that natural and anthropogenic carbon dioxide emissions have different isotopic signatures. However the variability of the δ13C in the atmosphere don't exceed 4‰ which sets the CO2 remote sensing precision requirements very high and almost unreachable when using satellite and ground-based instruments.
In the current research we've analyzed the major error sources in the retrieval of δ13C from GOSAT and ground-based IFS125HR spectra and discuss what possible actions can be taken in order to improve the precision of the retrievals- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2018
- Bibcode:
- 2018AGUFM.A51R2520R
- Keywords:
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- 0322 Constituent sources and sinks;
- ATMOSPHERIC COMPOSITION AND STRUCTUREDE: 0325 Evolution of the atmosphere;
- ATMOSPHERIC COMPOSITION AND STRUCTUREDE: 3337 Global climate models;
- ATMOSPHERIC PROCESSESDE: 0480 Remote sensing;
- BIOGEOSCIENCES