What is our understanding of the contribution made by observational or methodological uncertainties to the previously reported vertical differences in temperature trends?

Book/Chapter
What is our understanding of the contribution made by observational or methodological uncertainties to the previously reported vertical differences in temperature trends?
Mears, C.A., C.E. Forest, R.W. Spencer, R.S. Vose and R.W. Reynolds (2006)
Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences, T. Karl et al. (eds.), U.S. Climate Change Science Program, Subcommittee on Global Change Research, Synthesis and Assessment Product 1.1, Washington, Chapter 4, pp. 71-88

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Abstract/Summary:

Key Findings:
Surface: It is likely that errors in the homogenized surface air temperature data do not contribute substantially to the large-scale differences between trends for different levels because these errors are very likely to be smaller than those for the upper air data.
Troposphere: While all data sets indicate that the troposphere has warmed over both the radiosonde era and the satellite era, uncertainties in the tropospheric data make it difficult to determine whether the troposphere has warmed more than or less than the surface. Some tropospheric data sets indicate that the troposphere has warmed more than the surface, while others indicate the opposite.
Stratosphere: Despite their large discrepancies, all data sets indicate that the stratosphere has cooled considerably over both the radiosonde era and the satellite era.

Citation:

Mears, C.A., C.E. Forest, R.W. Spencer, R.S. Vose and R.W. Reynolds (2006): What is our understanding of the contribution made by observational or methodological uncertainties to the previously reported vertical differences in temperature trends?. Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences, T. Karl et al. (eds.), U.S. Climate Change Science Program, Subcommittee on Global Change Research, Synthesis and Assessment Product 1.1, Washington, Chapter 4, pp. 71-88 (http://www.climatescience.gov/Library/sap/sap1-1/finalreport/default.htm)
  • Book/Chapter
What is our understanding of the contribution made by observational or methodological uncertainties to the previously reported vertical differences in temperature trends?

Mears, C.A., C.E. Forest, R.W. Spencer, R.S. Vose and R.W. Reynolds

Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences
T. Karl et al. (eds.), U.S. Climate Change Science Program, Subcommittee on Global Change Research, Synthesis and Assessment Product 1.1, Washington, Chapter 4, pp. 71-88

Abstract/Summary: 

Key Findings:
Surface: It is likely that errors in the homogenized surface air temperature data do not contribute substantially to the large-scale differences between trends for different levels because these errors are very likely to be smaller than those for the upper air data.
Troposphere: While all data sets indicate that the troposphere has warmed over both the radiosonde era and the satellite era, uncertainties in the tropospheric data make it difficult to determine whether the troposphere has warmed more than or less than the surface. Some tropospheric data sets indicate that the troposphere has warmed more than the surface, while others indicate the opposite.
Stratosphere: Despite their large discrepancies, all data sets indicate that the stratosphere has cooled considerably over both the radiosonde era and the satellite era.

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