期刊
SCIENCE
卷 300, 期 5623, 页码 1280-1284出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1082393
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Two independent analyses of the same satellite-based radiative emissions data yield tropospheric temperature trends that differ by 0.1degreesC per decade over 1979 to 2001. The troposphere warms appreciably in one satellite data set, while the other data set shows little overall change. These satellite data uncertainties are important in studies seeking to identify human effects on climate. A model-predicted fingerprint of combined anthropogenic and natural effects is statistically detectable only in the satellite data set with a warming troposphere. Our findings show that claimed inconsistencies between model predictions and satellite tropospheric temperature data (and between the latter and surface data) may be an artifact of data uncertainties.
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