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Niner
Lv 5
Niner asked in Science & MathematicsGeography · 1 decade ago

Percentage of land beneath equator?

I calculated the amount of land beneath the equator by painstakingly measuring in Google Earth at 5,377.51 miles, or 21.619%. I included freshwater rivers and bodies in my measurement and omitted oceanic bodies. Does anyone have a reference to scientific literature related to this metric? A book, journal, article?

2 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    Only 30% of the Earth's landmass lies below the Equator. Exact figures were difficult to find.

    http://waforkids.com/WAK-Print.aspx?pin=x-co206900...

    Source(s): MSc
  • 1 decade ago

    The equator is 24,901.46 miles in length. It sounds like you got 24,874.00 miles, so either you missed 27.46 miles, or Google Earth is off.

    But I haven't seen or hear of any scientific literature on this. I might expect that there would be some places where the land/ water would depend on river floods, tides, mud flats, hurricanes moving beaches, etc. So it would be pretty hard to justify an accuracy of better than 0.1%.

    A digital terrain map, with at least 1-km resolution, would help a lot here.

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