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Title: Parametric methodologies of cloud vertical transport for acid-deposition models

Abstract

A CUmulus VENTing (CUVENT) cloud module has been developed that calculates the vertical flux of mass from the boundary layer to the cloud layer by an ensemble of nonprecipitating subgrid-scale air-mass clouds. This model will be integrated into the Regional Acid Deposition Model (RADM) and will serve to establish the effect of cloud venting for the RADM. In the initial phase of this research project, the basic cloud venting algorithm was established. CUVENT used the cloud model that was established by Ritter and Stedman (1985) to calculate the vertical transport of mass due to the ensemble of nonprecipitating air-mass convective clouds. The major effort of the first phase of this research project was to design an optimal parameterization scheme for the cloud model so that it may be incorporated in the RADM. This parameterization scheme used basic meteorological data such as pressure, temperature, humidity, surface heat flux, etc., to predict the convective cloud amount at cloud base and cloud distribution parameters. The various models that made up this scheme were developed using data obtained during the VENTEX field program.

Authors:
;
Publication Date:
Research Org.:
Research Triangle Inst., Research Triangle Park, NC (USA)
OSTI Identifier:
7243133
Alternate Identifier(s):
OSTI ID: 7243133
Report Number(s):
PB-88-191374/XAB
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; ACID RAIN; ENVIRONMENTAL TRANSPORT; AIR POLLUTION; ATMOSPHERIC CIRCULATION; CLOUDS; CONVECTION; DEPTH; FORTRAN; HEAT FLUX; LIQUIDS; MATHEMATICAL MODELS; NAPAP; SEASONAL VARIATIONS; VOLUME; WIDTH; ATMOSPHERIC PRECIPITATIONS; DIMENSIONS; ENERGY TRANSFER; FLUIDS; HEAT TRANSFER; MASS TRANSFER; POLLUTION; PROGRAMMING LANGUAGES; RAIN; VARIATIONS 500200* -- Environment, Atmospheric-- Chemicals Monitoring & Transport-- (-1989); 990220 -- Computers, Computerized Models, & Computer Programs-- (1987-1989)

Citation Formats

Vukovich, F.M., and Haws, R.C. Parametric methodologies of cloud vertical transport for acid-deposition models. United States: N. p., 1988. Web.
Vukovich, F.M., & Haws, R.C. Parametric methodologies of cloud vertical transport for acid-deposition models. United States.
Vukovich, F.M., and Haws, R.C. Tue . "Parametric methodologies of cloud vertical transport for acid-deposition models". United States.
@article{osti_7243133,
title = {Parametric methodologies of cloud vertical transport for acid-deposition models},
author = {Vukovich, F.M. and Haws, R.C.},
abstractNote = {A CUmulus VENTing (CUVENT) cloud module has been developed that calculates the vertical flux of mass from the boundary layer to the cloud layer by an ensemble of nonprecipitating subgrid-scale air-mass clouds. This model will be integrated into the Regional Acid Deposition Model (RADM) and will serve to establish the effect of cloud venting for the RADM. In the initial phase of this research project, the basic cloud venting algorithm was established. CUVENT used the cloud model that was established by Ritter and Stedman (1985) to calculate the vertical transport of mass due to the ensemble of nonprecipitating air-mass convective clouds. The major effort of the first phase of this research project was to design an optimal parameterization scheme for the cloud model so that it may be incorporated in the RADM. This parameterization scheme used basic meteorological data such as pressure, temperature, humidity, surface heat flux, etc., to predict the convective cloud amount at cloud base and cloud distribution parameters. The various models that made up this scheme were developed using data obtained during the VENTEX field program.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1988},
month = {3}
}

Technical Report:
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