The manuscript has received 3 reviewers. All reviewers note the significance of this contribution and offer what I consider to be minor revisions to the discussion paper. The authors have responded seriously and appropriately to the reviewer comments in their proposed revisions. The authors can now proceed to make their proposed revisions to the discussion paper. I look forward to receiving the revision.

The discussion paper had received a decision of Minor Revision based on the reviewer comments and the proposed revisions to address these comments. I have now reviewed the author revisions and responses as well as the revised paper. I find that the authors have carefully considered all comments and revised the paper accordingly. At this point, I am recommending final acceptance of the paper into HESS.