An Indication From Satellite Measurements Of Atmospheric C02 Variability
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An Indication from Satellite Measurements of Atmospheric CO2 Variability
SIRS-A satellite radiance measurements and correlated radiosonde temperature and dew point temperature profiles were used to determine the variability of atmospheric CO2 for different altitudes, by asymptotic solution of the Ladenberg-Reiche equation. The 17 different sets of data used in these calculations were characterized by clear weather conditions and low water vapor content. Transmittances used in the retrieval were corrected using the measured temperature and dew point temperature profiles. The results indicate that the atmospheric CO2 mixing ratio varies temporally and spatially by 10% or more. The derived CO2 profiles over the central United States are distinctly different from those determined for the South Pacific region.
The Effect of Atmospheric CO2 Variations on Satellite-sounded Temperatures
An analysis was made of the Satellite Temperature Sounding Technique to determine the extent of temperature errors arising from possible atmospheric CO2 variations. These possible errors are compared to probable ozone-caused errors and to errors resulting from the radiometer uncertainties.