Correction to: Arabian Journal of Geosciences (2020) 13:31

https://doi.org/10.1007/s12517-019-4993-9

The original version of this paper was published with error. Some symbols in equations of Figure 3 went missing. Given in this article is the correct figure.

Fig. 3
figure 1

Flowchart illustrates the estimation of CN from rainfall and runoff data

The original article has been corrected.