This article is within the scope of WikiProject Maps, a collaborative effort to improve the coverage of Maps and Cartography on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.
The 'land hemisphere' if it contained exactly 7/8 of the land surface (87.5%) works out to 51% land. (130 000 000 km2) But the included comment is that it is still more than 50% water, which suggests that it is closer to 85% of the total land than 87.5%. — Preceding unsigned comment added by 220.127.116.11 (talk) 13:46, 28 May 2014 (UTC)
I believe it's a rounding issue, the figures of eighths are only approximate (the text actually says "just under seven-eighths"). Would need to check source to be sure, but I reckon very few people will be able to access the full text of that paper for free.--LukeSurltc 14:57, 28 May 2014 (UTC)