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A comment on Almost 25% of world’s seafloor now mapped. Parent comment

Re:Almost 25% of world’s seafloor now mapped by wrp on Monday October 17, 2022 @08:30PM (#33241491)
I've read that for some parts of the world, ocean floor maps are still based on data from 18th century surveys.
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Re:Almost 25% of world’s seafloor now mapped by jjav on Tuesday October 18, 2022 @01:37AM (#33243350)
Nautical charts incorporate the latest (usually) data from each area, but it's eye opening to realize that in many areas the most recent data is actually centuries old.

https://nauticalcharts.noaa.gov/updates/how-accurate-are-nau...

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