As far as we can tell a number of undersea mountains have disappeared in the new data.
Indian ocean floor topography map.
Detailed depth contours provide the size shape and distribution of underwater features.
The northern mariana arc submarine volcanoes visited on the srof 06 expedition.
Atlantic ocean 2500x1900 back to.
Among the new features they re now able to detect sandwell says are thousands of previously unknown seamounts between 1000 and 2000 meters tall dotting the ocean floor.
The ridges form an inverted y on the ocean floor starting in the upper northwest with the carlsberg ridge in the arabian sea turning due south past the chagos laccadive plateau and becoming the mid indian or central indian ridge.
Not so long ago the ocean floor was as unknown as the far side of the moon.
They may also be used.
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The maps also bring erupting mid ocean ridges into sharper focus and help scientists understand volcanic eruptions the vast majority of which occur hidden far from view on the ocean floor.
Maps support the coastal zone management and energy impact programs and the offshore oil and gas program.
National ocean service nos office of coast survey.
Departmei fr of the ltfrerior united states oeolooical survey to accompany map j s80 the llidian ocean the geology of its bordering lands and the configuration of its floor.
We believe this represents errors in the older data that have been corrected.