Watersheds

Equivalent surface

Equivalent length

Equivalent slope

Equivalent elongation

Runoff coefficient

Serial watersheds

${\displaystyle \sum A_i}$

${\displaystyle \sum L_i}$

${\left[\frac{{\displaystyle \sum L_i}}{{\displaystyle \sum \frac{L_i}{\sqrt{I_i}}}}\right]}^2$

$\frac{{\displaystyle \sum L_i}}{{\displaystyle \sum \sqrt{A_i}}}$

$\frac{{\displaystyle \sum C_i\ast A_i}}{{\displaystyle \sum A_i}}$

Parallel watersheds

${\displaystyle \sum A_i}$

$\text{Max}\left(L_i\right)$

$\frac{{\displaystyle \sum I_i\ast Q_i}}{{\displaystyle \sum Q_i}}$

$\frac{L_i\ast Q_{\max }}{\sqrt{{\displaystyle \sum A_i}}}$

$\frac{{\displaystyle \sum C_i\ast A_i}}{{\displaystyle \sum A_i}}$