Articles | Volume 22, issue 23
https://doi.org/10.5194/acp-22-15287-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-15287-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Towards monitoring the CO2 source–sink distribution over India via inverse modelling: quantifying the fine-scale spatiotemporal variability in the atmospheric CO2 mole fraction
Vishnu Thilakan
Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Bhopal (IISERB), Bhopal, India
Max Planck Partner Group (IISERB), Max Planck Society, Munich, Germany
Dhanyalekshmi Pillai
CORRESPONDING AUTHOR
Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Bhopal (IISERB), Bhopal, India
Max Planck Partner Group (IISERB), Max Planck Society, Munich, Germany
Christoph Gerbig
Department of Biogeochemical Signals, Max Planck Institute for Biogeochemistry, Jena, Germany
Michal Galkowski
Department of Biogeochemical Signals, Max Planck Institute for Biogeochemistry, Jena, Germany
Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
Aparnna Ravi
Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Bhopal (IISERB), Bhopal, India
Max Planck Partner Group (IISERB), Max Planck Society, Munich, Germany
Thara Anna Mathew
Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Bhopal (IISERB), Bhopal, India
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Cited
11 citations as recorded by crossref.
- Revisiting the quantification of power plant CO2 emissions in the United States and China from satellite: A comparative study using three top-down approaches C. He et al. https://doi.org/10.1016/j.rse.2024.114192
- Assessing the accuracy of meteorological transport model ensemble towards estimating Indian carbon fluxes T. Anna Mathew et al. https://doi.org/10.1088/2752-5295/adffa7
- Using satellite-based Sun-induced chlorophyll fluorescence and spectral reflectance for improving terrestrial CO2 flux estimates of India A. Ravi et al. https://doi.org/10.1088/2752-664X/adabed
- Anthropogenic carbon dioxide origin tracing study in Anmyeon-do, South Korea: Based on STILT-footprint and emissions data J. Kim et al. https://doi.org/10.1016/j.scitotenv.2023.164677
- Spatiotemporal variations of near-surface CO2 concentrations in China and their multiple drivers: Modeling pathways towards the “dual carbon” goals T. Yang et al. https://doi.org/10.1016/j.jclepro.2026.149166
- Leveraging TROPOMI observations and WRF-GHG modeling towards improving methane emission assessments in India T. Mathew et al. https://doi.org/10.5194/acp-26-4453-2026
- High-resolution GEOS-Chem model for Indian monsoon region: Seasonal cycle and budget of tropospheric CO2 S. Allahudheen et al. https://doi.org/10.1016/j.atmosenv.2023.119913
- Potential of using CO2 observations over India in a regional carbon budget estimation by improving the modelling system V. Thilakan et al. https://doi.org/10.5194/acp-24-5315-2024
- Extratropical storms induce carbon outgassing over the Southern Ocean M. Carranza et al. https://doi.org/10.1038/s41612-024-00657-7
- Applying Gaussian Process Machine Learning and Modern Probabilistic Programming to Satellite Data to Infer CO2 Emissions S. Jeong et al. https://doi.org/10.1021/acs.est.4c09395
- Spatiotemporal CO₂ emission prediction modeling methods: a comprehensive literature review Z. Omar & L. Liyanage https://doi.org/10.1007/s40808-026-02899-1
11 citations as recorded by crossref.
- Revisiting the quantification of power plant CO2 emissions in the United States and China from satellite: A comparative study using three top-down approaches C. He et al. https://doi.org/10.1016/j.rse.2024.114192
- Assessing the accuracy of meteorological transport model ensemble towards estimating Indian carbon fluxes T. Anna Mathew et al. https://doi.org/10.1088/2752-5295/adffa7
- Using satellite-based Sun-induced chlorophyll fluorescence and spectral reflectance for improving terrestrial CO2 flux estimates of India A. Ravi et al. https://doi.org/10.1088/2752-664X/adabed
- Anthropogenic carbon dioxide origin tracing study in Anmyeon-do, South Korea: Based on STILT-footprint and emissions data J. Kim et al. https://doi.org/10.1016/j.scitotenv.2023.164677
- Spatiotemporal variations of near-surface CO2 concentrations in China and their multiple drivers: Modeling pathways towards the “dual carbon” goals T. Yang et al. https://doi.org/10.1016/j.jclepro.2026.149166
- Leveraging TROPOMI observations and WRF-GHG modeling towards improving methane emission assessments in India T. Mathew et al. https://doi.org/10.5194/acp-26-4453-2026
- High-resolution GEOS-Chem model for Indian monsoon region: Seasonal cycle and budget of tropospheric CO2 S. Allahudheen et al. https://doi.org/10.1016/j.atmosenv.2023.119913
- Potential of using CO2 observations over India in a regional carbon budget estimation by improving the modelling system V. Thilakan et al. https://doi.org/10.5194/acp-24-5315-2024
- Extratropical storms induce carbon outgassing over the Southern Ocean M. Carranza et al. https://doi.org/10.1038/s41612-024-00657-7
- Applying Gaussian Process Machine Learning and Modern Probabilistic Programming to Satellite Data to Infer CO2 Emissions S. Jeong et al. https://doi.org/10.1021/acs.est.4c09395
- Spatiotemporal CO₂ emission prediction modeling methods: a comprehensive literature review Z. Omar & L. Liyanage https://doi.org/10.1007/s40808-026-02899-1
Saved (final revised paper)
Latest update: 26 Oct 2026
Short summary
This paper demonstrates how we can use atmospheric observations to improve the CO2 flux estimates in India. This is achieved by improving the representation of terrain, mesoscale transport, and flux variations. We quantify the impact of the unresolved variations in the current models on optimally estimated fluxes via inverse modelling and quantify the associated flux uncertainty. We illustrate how a parameterization scheme captures this variability in the coarse models.
This paper demonstrates how we can use atmospheric observations to improve the CO2 flux...
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