Role of aerosols in radiative forcing of climate change: Global mean and uncertainties

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Anthropogenically induced climate change is of great current interest because of increases in atmospheric loading of infrared active (greenhouse) gases over the past 150 years and the inferred resultant increase in infrared radiation flux in the troposphere. However, the climate change ascribed to such increases, not to mention predictions of future climate change in response to prospective changes in the earth`s radiation budget, is based virtually entirely on climate model simulations of how the earth`s climate would respond to changes in radiation rather than on empirically established relationships between changes in the earth`s radiation budget and climate change. There is ... continued below

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8 p.

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Schwartz, S.E. October 1, 1998.

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Description

Anthropogenically induced climate change is of great current interest because of increases in atmospheric loading of infrared active (greenhouse) gases over the past 150 years and the inferred resultant increase in infrared radiation flux in the troposphere. However, the climate change ascribed to such increases, not to mention predictions of future climate change in response to prospective changes in the earth`s radiation budget, is based virtually entirely on climate model simulations of how the earth`s climate would respond to changes in radiation rather than on empirically established relationships between changes in the earth`s radiation budget and climate change. There is thus an urgent need to evaluate the performance of climate models to ascertain the accuracy with which they represent the changes in temperature and other indicia of climate that have been observed over the industrial period. Such an evaluation, however, requires an accurate assessment of the totality of changes in the earth`s radiation budget in both the longwave (thermal infrared) and shortwave (solar) spectral regions, not just of changes in the longwave due to increased concentrations of long-lived greenhouse gases.

Physical Description

8 p.

Notes

OSTI as DE99001518

Medium: P; Size: 8 p.

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  • Global atmosphere watch (GAW) - international activities and Swiss contribution: ozone, radiation and aerosols in the atmosphere, Zurich (Switzerland), 14-15 Oct 1998

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  • Other: DE99001518
  • Report No.: BNL--66037
  • Report No.: CONF-981077--
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 308010
  • Archival Resource Key: ark:/67531/metadc685210

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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.

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  • October 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • April 13, 2017, 2:05 p.m.

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Schwartz, S.E. Role of aerosols in radiative forcing of climate change: Global mean and uncertainties, article, October 1, 1998; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc685210/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.