Record Display for the EPA National Library Catalog

RECORD NUMBER: 3 OF 23

OLS Field Name OLS Field Data
Main Title Comparison of Three Methods for Calculating the Standard Deviation of the Wind Direction.
Author Turner, D. B. ;
CORP Author Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Sciences Research Lab.
Year Published 1986
Report Number EPA/600/J-86/355;
Stock Number PB87-196523
Additional Subjects Wind direction ; Standard deviation ; Dispersions ; Meteorology ; Air pollution ; Atmospheric physics ; Estimating ; Reprints ;
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB87-196523 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 8p
Abstract
Three methods to calculate wind direction standard deviation are evaluated. Although eight hours of wind data show no significant differences between the methods, synthetically generated data having standard deviations near the maximum possible, show the Yamartino method to perform well. Also, the wind direction for periods, such as an hour, are shown to be well represented by the arctangent of the mean sines and cosines.