Correction to: Water Resour Manag

https://doi.org/10.1007/s11269-020-02581-w

The original version of this article unfortunately contains mistakes in equations 1 and 2. The mistakes and corrections is described below:

$$ f(x)=P\left(X=x\right)={p}_x\prod \limits_{t=1}^{x-1}\left(1-{p}_t\right)x=1,2,\dots, {x}_{\mathrm{max}} $$
(1)
$$ m=E(X)=\sum \limits_{x=1}^{x_{\mathrm{max}}} xf(x)=\sum \limits_{x=1}^{x_{\mathrm{max}}}x\left(1-{G}_{Z,t}\left({z}^{EWT}(m)|{\boldsymbol{\theta}}_x\right)\right)\prod \limits_{t=1}^{x-1}{G}_{Z,t}\left({z}^{EWT}(m)|{\boldsymbol{\theta}}_t\right) $$
(2)

Should be:

$$ f(x)=P\left(X=x\right)={p}_x\prod \limits_{t=1}^{x-1}\left(1-{p}_t\right)\kern1em x=1,2,\dots, {x}_{\mathrm{max}} $$
(1)
$$ m=E(X)=\sum \limits_{x=1}^{x_{\mathrm{max}}} xf(x)=\sum \limits_{x=1}^{x_{\mathrm{max}}}x\left(1-{G}_{Z,x}\left({z}^{EWT}(m)|{\boldsymbol{\theta}}_x\right)\right)\prod \limits_{t=1}^{x-1}{G}_{Z,t}\left({z}^{EWT}(m)|{\boldsymbol{\theta}}_t\right) $$
(2)