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GLIMS-RGI / rgi_issue_tracker

Report issues about the RGI dataset
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Incomplete inventory of surge-type glaciers #18

Open mjacqu opened 3 years ago

mjacqu commented 3 years ago

RGI version RGI v6

Describe the issue The surging glacier inventory in RGIv6 is not complete. Compared to the dataset published in Sevestre & Benn, 2015, there are about 1000 surge-type glaciers missing. It appears that the problem is primarily with glaciers in Alaska, but maybe others as well.

Expected outcome Update attributes in RGIv7 to match the Sevestre & Benn inventory. Of course, it would be nice to add any new data that has been collected since. (e.g., new regional inventories such as those by Leinss et al., 2021; Goerlich et al., 2020)

Screenshots Attached screenshot (projections don't match completely) shows the difference between the distribution of surging glaciers in Alaska from Sevestre and Benn paper (pink dots), vs. plotted outlines from RGIv6 (yellow). Blue background in both cases are all glaciers from RGIv6.

Screen Shot 2021-08-16 at 09 55 20

Suggested solution I suspect that something went wrong during the join of the two tables. Hopefully it's a quick fix (famous last words).

fmaussion commented 1 year ago

This issue has been addressed to the best of our knowledge in RGI 7.0