General Comments:
This is a significant paper, and one that will be of great interest to researchers. Not only does it mark the release of a significant data set, but it also does an excellent job of addressing data management considerations. The information is presented clearly, and there are many aspects which are highly citable. I have only minor suggestions and corrections, listed below.
Specific Comments:
Line 115 (suggestion): It may worth referencing Section III 1 c of the Antarctic Treaty here - identifying the need beyond a moral imperative to make the data available
Line 246 (suggestion): Consider providing an abbreviated example of what the header and lines might look like. Information can be condensed using '...', but I think an example would make it easier to visualise the content of this paragraph.
Line 294 (question): -9999 values often present problems for interpolation, or situations where data ranges can encompass -9999. ALthough that is not the case here - are there any alternatives for better representing NULL/NaN/Uknown values? I recognise that this is an issue with CSV, but it may be worth thinking about better ways of encoding this information.
Lines 309 & 326 (question) - You discuss how uncertainty in elevation values was handled, but was there also consideration for varying spatial accuracies?
Technical comments:
Figs 1&2 - Polar stereographic projection?
There are many instances where intensifiers(e.g. see https://ift.tt/I7xCalH) are unnecessarily used.
97: "user-friendly" subjective assertion - consider omitting.
148: "rapidly" is there evidence or a citation? Otherwise omit.
153: "considerable" - consider omitting
154: "Indeed," - unnecessary
170: "in order" - unnecessary
265: "extremely" - unnecessary
267: "Such an" - unnecessary
356: "In order" - unnecessary
365: "easily" - subjective assertion - consider omitting
377: "full" - unnecessary
386: "particularly" unnecessary
Paragraph at 414 (several): Change to "This data release will benefit the glaciology and broader Earth scienc community, particularly in emerging fields such as machine learning and geostatistics which can now make use of this standardised data, and reproduce and create new compilation grids at different scales independently from the Bedmap grids. These standardised, freely available, and previously-unpublished datasets will lead to improved assessments of fundamental properties of the Antarcitc Ice Sheet and predictions of its future contributions to sea level rise, increasing the (life cycle) of these important data." -- ('life cycle' is an odd choice of words - maybe just 'value'?)
Line 455 - Normally I leave Acknowledgements alone - but "beyond measure" seems a bit hyperbolic. It's up to you.
Typos:
Line 111: Theses - These
Line 361: Althought - Although
394: Bedamp3 -> Bedmap3
415: geostatiscs -> geostatistics
416: indenpendently -> independently
Line 422: Direct link -> Direct links
Line 423: Capitalise RAMADDA (or standardise usage)
from Hacker News https://ift.tt/ZogyqCa
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