Annual and seasonal variations of atmospheric CO2, N2O and CO concentrations retrieved from NOAA/TOVS satellite observations -: art. no. 1269

被引:40
作者
Chédin, A
Hollingsworth, A
Scott, NA
Serrar, S
Crevoisier, C
Armante, R
机构
[1] Ecole Polytech, Meteorol Dynam Lab, Inst Pierre Simon Laplace, F-91128 Palaiseau, France
[2] European Ctr Medium Range Weather Forecasts, Reading RG2 9AX, Berks, England
关键词
D O I
10.1029/2001GL014082
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
[1] We show that atmospheric concentration variations of major greenhouse gases (CO2, N2O, CO) may be retrieved from observations of the National Oceanic and Atmospheric Administration (NOAA) polar meteorological satellite series. The method relies on the analysis of the differences between the observations and simulations from a radiative transfer model using collocated radiosonde data and fixed gas concentrations as the prime input. Over the time period considered (July 1987 September 1991), the results are in good agreement with present knowledge of the atmospheric cycles (seasonal, annual) of the gases. A reanalysis of the more than 20 years archive of NOAA observations has considerable promise for an improved knowledge of the carbon cycle.
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页数:4
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