Even though I've seen it in few literatures like Reid et al and Potions. Can exponents of downstream hydraulic geometry be negative especially the b?

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Bachir Achour

Dear Adeyemi,

B = aQb , where B is the channel width, a and b are parameters. In this last equation, b can not be negative. It can take values 0, 1/3, 0.5 and 1 depending on the values of the Weighting Factors. Here is an interesting paper on the subject following this link.

http://onlinelibrary.wiley.com/doi/10.1029/2003WR002484/full

With my best regards

Prof. Bachir ACHOUR

Adeyemi Oludapo Olusola

Thanks alot

Thanks