CORSO

CORSO – CO₂ emissions Monitoring and Verification Support (CO₂MVS) Research on Supplementary Observations

Overview

The CORSO project focuses on supporting the new European anthropogenic CO₂ emissions Monitoring and Verification Support capacity (CO2MVS) within the Copernicus Atmosphere Monitoring Service. It developed advanced methods, observations and analyses to improve estimates of anthropogenic CO₂ emissions, separate fossil fuel from biospheric fluxes, and assess the value of supplementary observations. Core outputs include tools exploiting co-emitted species and emission ratios, assessments of in-situ radiocarbon (14CO2) and atmospheric potential oxygen (APO)  measurements, and satellite data on soil moisture, vegetation and biomass for the CO₂MVS system.

TNO’s role

TNO contributed its expertise in emission inventories, emission uncertainties, atmospheric modelling and satellite-based quantification:

• TNO co-developed a global point source database (https://atmosphere.copernicus.eu/node/1392), providing an improved spatiotemporal allocation of large emitters around the world.
• TNO assessed the error correlations between gridded emissions of CO₂ and the co-emitted species CO and NOx on a global scale. These datasets are used in global inverse modelling to better constrain anthropogenic CO₂ emissions. (GMD - Improved definition of prior uncertainties in CO2 and CO fossil fuel fluxes and its impact on multi-species inversion with GEOS-Chem (v12.5))
• TNO developed a European inventory of atmospheric potential oxygen (APO), which can act as a tracer for anthropogenic CO₂ emissions. CORSO Data | CORSO
• TNO contributed to the development of plume detection algorithms to better quantify CO emissions from major hotspots using satellite observations with a focus on iron and steel plants  ACP - Comparing space-based to reported carbon monoxide emission estimates for Europe's iron and steel plants.

Key partners

TNO works closely with ECMWF (consortium lead), Barcelona Supercomputing Center (BSC), CNRS, Lund University and SRON within a consortium of 17 European institutes. Together, the partners bring complementary expertise in emissions, atmospheric observations, inverse modelling and land surface modelling. The project builds on the results of the CoCO2 project and maintains strong links with the Copernicus Atmosphere Monitoring Service and the European Commission.

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