Community Research and Development Information Service - CORDIS

FP5

COCO Report Summary

Project ID: EVG1-CT-2001-00056
Funded under: FP5-EESD
Country: Germany

Detailed comparison of CO2 column retrievals from TOVS and AIRS instrument with in situ measurements and model simulations

Retrievals from the existing systems measuring the atmospheric infrared radiation, TOVS and AIRS, reveal credible upper troposphere CO2 concentration patterns as compared by in situ measurements and forward model simulations. The zonal averaged annual cycle and atmospheric growth rate pattern in the Tropical region from TOVS retrievals exhibits an accuracy of about 2ppm (RMS) compared to forward model simulations and in situ aircraft measurements (Peylin et al., 2005 submitted). An even better agreement is found by comparing the AIRS retrievals with the forward model simulations and in situ aircraft measurements (Tiwari et al., 2005, submitted).

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Martin HEIMANN, (Research Group Leader)
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