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An overwater stability criterion for the offshore and coastal dispersion model

✍ Scribed by S. A. Hsu


Publisher
Springer
Year
1992
Tongue
English
Weight
314 KB
Volume
60
Category
Article
ISSN
0006-8314

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✦ Synopsis


The Offshore and Coastal Dispersion (OCD) model proposed and evaluated by Hanna et al. (1985) requires the Monin-Obukhov length to compute the stability class. Both wind shear and heat tlux are needed for this computation; since these parameters are not normally observed, the stability length has been converted into a nomogram which consists of routinely measured wind speed and air-sea temperature difference. An analysis of the vertical turbulence intensity as a function of the stability length demonstrates that under neutral conditions, the stability scheme used in the OCD model is reasonable.


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