The problem with that approach is that our oceans are vast and ships are small meaning only a tiny percentage of the ocean floor between 5 15 percent nasa estimates was mapped.
Mapped ocean floor.
Before that day the 70 percent of the earth s surface covered by water had been filled in by a cold blank blue essentially ignored.
And of course actually to see the sea floor using cameras or our own eyes means getting even closer using remotely operated vehicles or manned submersibles.
By jonathan amos bbc science.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.
To complete a map of earth s ocean floor you ve got to take to the high seas by boat.
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Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.
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How one brilliant woman mapped the secrets of the ocean floor this animation by rosanna wan for the royal institution tells the fascinating story of marie tharp s groundbreaking work to help.
One fifth of earth s ocean floor is now mapped.
Yes we do because actually 100 of the ocean floor is mapped.
Since the ocean occupies roughly 70 of the earth s surface this leaves approximately 65 of the earth excluding dry land unexplored.
Annique van der boon women in tectonics and structural geology by lucia perez diaz.
This work is now being done at a higher resolution so they can imply in a headline that we know less about the ocean than we actually do.
08 28 2012 02 10 pm et updated oct 28 2012 on february 2 2009 thanks to google ocean the ocean floor s topography was revealed for millions of people to see.
100 years of marie tharp the woman who mapped the ocean floor and laid the foundations of modern geology.
That is quite a lot of earth left to explore.
Only about 5 of the world s seafloor has been mapped in some detail.
So far less than 0 05 percent of the ocean floor has been mapped to that highest level of detail by sonar which is an area roughly equivalent in size to tasmania.
The woman who mapped the ocean floor.
An artists illustration of marie tharp credit.
Most of the seafloor that has been mapped thoroughly is close to shore.