研究目的
To address environmental concerns related to the composition of the atmosphere by providing data and processed information through the Copernicus Atmosphere Monitoring Service (CAMS).
研究成果
CAMS has today several thousands of users worldwide, with about one thousand relying on the daily operational global and regional products. The service's products are applied to real-world challenges, benefiting profitable business areas and reaching out to a wide audience through media and social media.
研究不足
The system requires continual R&D efforts to provide the best possible analyses and forecasts and to keep up with the state-of-the-art. The operational uptake of Sentinel-5P (S5p) is expected to improve substantially the CAMS analyses and forecasts.
1：Experimental Design and Method Selection:
The CAMS global forecasting system uses ECMWF's Integrated Forecasting System (IFS), extended with modules for atmospheric chemistry, aerosols and greenhouse gases. A 4D-Var assimilation technique is used for Numerical Weather Prediction with specificities for atmospheric composition.
2：Sample Selection and Data Sources:
Over 60 different satellite data streams are assimilated.
3：List of Experimental Equipment and Materials:
Satellite sensors listed in Table 1, including OMI, SBUV, GOME-2, MLS, OMPS, IASI, MOPITT, MODIS, PMAp, VIIRS, GOSAT, OCO-2, and S5p.
4：5p. Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Daily production of real-time analyses and forecasts of global atmospheric composition, reanalyses providing consistent multi-annual global datasets, and daily production of real-time European air quality analyses and forecasts with a multi-model ensemble system.
5：Data Analysis Methods:
Ensemble post-treatment methods for providing products that are on average better than any individual model and an estimate of uncertainty based on the inter-model spread.
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OMI
Used for ozone, NO2, and SO2 retrievals in the CAMS global real-time analyses and forecasts.
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SBUV
Used for ozone retrievals in the CAMS global real-time analyses and forecasts.
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GOME-2
Used for ozone, NO2, and SO2 retrievals in the CAMS global real-time analyses and forecasts.
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MLS
Used for ozone retrievals in the CAMS global real-time analyses and forecasts.
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OMPS
Used for ozone retrievals in the CAMS global real-time analyses and forecasts.
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IASI
Used for CO retrievals in the CAMS global real-time analyses and forecasts.
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MOPITT
Used for CO retrievals in the CAMS global real-time analyses and forecasts.
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MODIS
Used for aerosol retrievals in the CAMS global real-time analyses and forecasts.
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PMAp
Used for aerosol retrievals in the CAMS global real-time analyses and forecasts.
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VIIRS
Being tested for operational use in aerosol retrievals in the CAMS global real-time analyses and forecasts.
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GOSAT
Used for CO2 and CH4 retrievals in the CAMS global real-time analyses and forecasts.
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OCO-2
Planned for operational use in CO2 and CH4 retrievals in the CAMS global real-time analyses and forecasts.
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S5p
Expected to improve substantially the CAMS analyses and forecasts for ozone, CO, NO2, and SO2 retrievals.
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