Abstract
The first 10 years (1973–1982) of atmospheric CO2 measurements at Barrow, Alaska, by the NOAA/GMCC program are described. The paper updates and extends the Barrow CO2 record presented in Tellus (1982). The data are given in final form, based on recent calibrations of the Scripps Institution of Oceanography, with selected values identified as representative of large, spacescale conditions. Analyses of the data show: (1) a long-term CO2 average increase of 1.3 ppm per year, but with large year-to-year variations in that growth rate; (2) a suggestion, not statistically significant, of a secular increase in the amplitude of the annual cycle, presumably a reflection of global-scale biospheric variability; and (3) good absolute agreement between the Barrow results and those from four neighboring high latitude sites between 50 and 82°N.
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Peterson, J.T., Komhyr, W.D., Waterman, L.S. et al. Atmospheric CO2 variations at Barrow, Alaska, 1973–1982. J Atmos Chem 4, 491–510 (1986). https://doi.org/10.1007/BF00053848
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DOI: https://doi.org/10.1007/BF00053848