A search for human influences on the thermal structure of the atmosphere

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Several recent studies have compared observed changes in near-surface temperature with patterns of temperature change predicted by climate models in response to combined forcing by carbon dioxide and anthropogenic sulphate aerosols. These results suggest that a combined carbon dioxide + sulphate aerosol signal is easier to identify in the observations than a pattern of temperature change due to carbon dioxide alone. This work compares modelled and observed patterns of vertical temperature change in the atmosphere. Results show that the observed and model-predicted changes in the mid- to low troposphere are in better accord with greenhouse warming predictions when the likely ... continued below

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30 p.

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Santer, B.D.; Taylor, K.E. & Penner, J.E. August 1, 1995.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 39 times , with 7 in the last month . More information about this report can be viewed below.

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Description

Several recent studies have compared observed changes in near-surface temperature with patterns of temperature change predicted by climate models in response to combined forcing by carbon dioxide and anthropogenic sulphate aerosols. These results suggest that a combined carbon dioxide + sulphate aerosol signal is easier to identify in the observations than a pattern of temperature change due to carbon dioxide alone. This work compares modelled and observed patterns of vertical temperature change in the atmosphere. Results show that the observed and model-predicted changes in the mid- to low troposphere are in better accord with greenhouse warming predictions when the likely effects of anthropogenic sulphate aerosols and stratospheric ozone reduction are incorporated in model calculations, and that the level of agreement increases with time. This improved correspondence is primarily due to hemispheric-scale temperature contrasts. If current model-based estimates of natural internal variability are realistic, it is likely that the level of time-increasing similarity between modelled and predicted patterns of vertical temperature change is partially due to human activities.

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30 p.

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OSTI as DE96000987

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  • Other Information: PBD: Aug 1995

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  • Other: DE96000987
  • Report No.: UCRL-ID--121956
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/116649 | External Link
  • Office of Scientific & Technical Information Report Number: 116649
  • Archival Resource Key: ark:/67531/metadc624360

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • August 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 17, 2016, 4:08 p.m.

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Santer, B.D.; Taylor, K.E. & Penner, J.E. A search for human influences on the thermal structure of the atmosphere, report, August 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc624360/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.