deletions | additions       diff --git a/section_Topography_I_did_have__.tex b/section_Topography_I_did_have__.tex  index 0a257d5..5f9380a 100644  --- a/section_Topography_I_did_have__.tex  +++ b/section_Topography_I_did_have__.tex 
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\section{Topography}  I did have one question about the scope of the manuscript. It wasn’t clear to whether it aims to serve to just as an experimental description, or will also act as the full description of the boundary condition datasets. I know that the previous experimental design \cite{Haywood_2011} was complemented by a data description paper \cite{dowsett2010prism3d}. Whilst I think that most of datasets are adequately discussed in this manuscript (or prior publications), the topography feels under described. I hope that a separate manuscript is planned to describe all the underlying assumptions for this dataset and highlight the important changes. I would certainly like to see more discussion of the uncertainty inherent in the topography reconstruction. For example, a major change from PRISM3 is the closing of the Bering Strait. I remember seeing a poster at AGU 2014 by Dick Peltier presenting an alternate topography with it closed - this also included the novel scientific components described here. Whilst I’m happy with the reconstruction you present here, I don’t feel there is any acknowledgment that it may have uncertainties.  It isn't clear to me how the ice sheets and topography are actually separated in the factorisation approach. I think you need to provide guidance in the manuscript. Does imposing ice-sheets also contain the topographic element associated with the ice-sheet or does that count in the topography? At its simplistic this could be ice-sheets could be thought of as white mountains, so the `i' component only relates to the land surface specification. That doesn't make much sense intuitively. The problem is however much more complicated than that, as you've taken account of the glacial isostatic adjustment in the your topographic reconstruction. At this point, I'm not sure it's that important (it would need to be discussed seriously in the factorisation results). Here you do need to provide instructions to allow the runs to be performed. performed \cite{Smith_2014}.  I was also confused by the discussion of the standard experiment. Surely altering the Bering Strait is a change in the Land-Sea mask. If modelling groups have the ability to do this change (and in my experience making new land is more awkward than new ocean), then shouldn’t they be doing the other experiment. Incidentally, I would anticipate that this change is important for the AMOC, so well worth including if possible.