Roughness coefficients – multiple canopies

Name

Default

Unit

Symbol

Comments/Explanations

Start DayNo

121

#

 

Used when displacement height is not calculated by the Shaw and Pereira function.

Optimum DayNo

210

#

 

Used when displacement height is not calculated by the Shaw and Pereira function.

End DayNo

270

#

 

Used when displacement height is not calculated by the Shaw and Pereira function.

Shape Start

0.3

-

 

Used when displacement height is not calculated by the Shaw and Pereira function.

Shape End

3.

-

 

Used when displacement height is not calculated by the Shaw and Pereira function.

zStart Value

0.1

-

 

Used when displacement height is not calculated by the Shaw and Pereira function.

zOptimum Value

0.1

-

 

Used when displacement height is not calculated by the Shaw and Pereira function.

zEnd Value

0.1

-

 

Used when displacement height is not calculated by the Shaw and Pereira function.