Theoretical cloud radiation studies in support of the Atmospheric Radiation Measurement Program. Final report, October 1990--October 1993

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Description

The ARM research project has as its ultimate goal the improvement of theoretical understanding of radiation processes in real clouds. The strategy is to use remote and in situ cloud observations to inform fractal models that elegantly capture the enormous spatial heterogeneity of real clouds. The project was motivated by the great importance assigned to the cloud-radiation problem in understanding climate, and by the recognition that GCM predictions of grid-box-average liquid/ice water are insufficient to assign cloud radiative properties. The project was designed to have the following logical progression: analyze cloud observations, using statistical methods developed in turbulence theory, non-linear ... continued below

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16 p.

Creation Information

Wiscombe, W.J.; Cahalan, R.F.; Davis, A.B.; Marshak, A.L. & Ridgway, W.L. January 1, 1994.

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  • Wiscombe, W.J.
  • Cahalan, R.F. NASA-Goddard Space Flight Center, Greenbelt, MD (United States). Climate and Radiation Branch
  • Davis, A.B. Universities Space Research Association, Houston, TX (United States)
  • Marshak, A.L. Science Systems and Applications Inc. (United States)
  • Ridgway, W.L. Applied Research Corp. (United States)

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Description

The ARM research project has as its ultimate goal the improvement of theoretical understanding of radiation processes in real clouds. The strategy is to use remote and in situ cloud observations to inform fractal models that elegantly capture the enormous spatial heterogeneity of real clouds. The project was motivated by the great importance assigned to the cloud-radiation problem in understanding climate, and by the recognition that GCM predictions of grid-box-average liquid/ice water are insufficient to assign cloud radiative properties. The project was designed to have the following logical progression: analyze cloud observations, using statistical methods developed in turbulence theory, non-linear dynamics, and the study of multifractals; based on these analyses, develop models, mainly with a multi-fractal origin, for the spatial distribution of cloud water; and study the radiative properties of these model clouds using the Monte Carlo method.

Physical Description

16 p.

Notes

OSTI as DE98006451

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  • Other Information: PBD: Jan 1994

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  • Other: DE98006451
  • Report No.: DOE/ER/61069--T1
  • Grant Number: AI05-90ER61069
  • DOI: 10.2172/656489 | External Link
  • Office of Scientific & Technical Information Report Number: 656489
  • Archival Resource Key: ark:/67531/metadc709470

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  • January 1, 1994

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 5, 2015, 6:58 p.m.

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Wiscombe, W.J.; Cahalan, R.F.; Davis, A.B.; Marshak, A.L. & Ridgway, W.L. Theoretical cloud radiation studies in support of the Atmospheric Radiation Measurement Program. Final report, October 1990--October 1993, report, January 1, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc709470/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.