Actions for Statistical analysis of atmospheric dispersion parameters from Karlsruhe, Federal Republic of Germany : an application of TEDPED

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Statistical analysis of atmospheric dispersion parameters from Karlsruhe, Federal Republic of Germany : an application of TEDPED

Author
Miller, C. W.
Published
United States : [publisher not identified], 1980.
Springfield, Va. : National Technical Information Service, [approximately 1980]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Fields, D. E.

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Summary
The model often used to estimate atmospheric concentrations of pollutants is the Gaussian plume model. Two critical parameters in this model are the crosswind and vertical standard deviations of the concentrations in the plume, sigma/sub y/ and sigma/sub z/, respectively. The computer program TEDPED has been used to perform a statistical analysis of a limited number of values of sigma/sub y/ and sigma/sub z/ based on air concentration measurements taken at Karlsruhe, Federal Republic of Germany. It was found that sigma/sub y/ and sigma/sub z/ are associated with a range of values rather than a single, unique value for each combination of atmospheric stability category and downwind distance considered. The ratio of the high to low value of this range was most often near 2, but in a limited number of cases it was 10 or higher. These results also indicate that the atmospheric stability classification methods used in the Karlsruhe study do not necessarily result in stratification of these data for short-term (less than or equal to 30 min) releases into unique sets of sigma/sub y/ and sigma/sub z/ and values for each individual stability category. These results have direct implications for estimates of the uncertainty associated with predictions of the impact on man of various pollutants released to the atmosphere.
Report Numbers
CONF-8010106-4
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: W-7405-ENG-26
OSTI Identifier 7100965
Research organization: Oak Ridge National Lab., TN (USA).
View MARC record | catkey: 45332371