Both reviewers pointed out the poor language of the manuscript. I tried to read the authors' responses to the reviewers comments, but could not fully understand the narrative mainly due to the many grammar problems.

In addition, I did not find a revised manuscript that has been proofread by English editors.

I do think the work on combining SWAT and Delft3D is interesting and holds the promise to better understand watershed hydrology in regions with scare measurements. However, given the current form of the manuscript, I recommend the authors invite English editor to further improve the language of the manuscript and of the authors' responses, before re-submission.

Reviewer suggests accept as it, but Reviewer 2 still has several technical concerns. The authors should address Reviewer 2's comments before acceptance for publication.