Talk:Roadway air dispersion modeling

A fact from Roadway air dispersion modeling appeared on Wikipedia's Main Page in the Did you know column on 17 March 2006. The text of the entry was as follows:

Did you know... that Roadway air dispersion modeling was developed in the late 1960s and applied to two controversial major highway court cases in Virginia and New Jersey by 1971?

A record of the entry may be seen at Wikipedia:Recent additions/2006/March.

Wikipedia

Theory[edit]

The equation given in the theory section makes no sense. The $x^{2}$ in the top and bottom of the exponential cancel. I don't know what it should be, but I don't think its what this article says it is.</math>

typo fixed Covalent 15:15, 17 March 2006 (UTC)[reply]

That's better, but the dimensions aren't right. The argument of the exponent should be dimensionless. This one has dimensions (1/velocity^2). Should there be

d^{2}

on the top? (that would make sense) -- GWO

the issue was proper definition of c as a dimensionless variable measured in radians. this is now fixed in the text Covalent 00:31, 18 March 2006 (UTC)[reply]

It seems important to me that the theory section describes the most-used models, at least in the U.S. The CALINE3 and CALINE4 model documents on EPA's SCRAM website provides more detail. Faithandreason 14:08, 24 April 2006 (UTC)Faithandreason[reply]

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