This week's Sea-Floor Sunday ... of bottom elevation by lowering hand lines down (echo soundings did not come around for another few decades). Compare the 1862 map to this modern multibeam ...

They found that, overall, sea floor elevation has decreased at all five sites, in amounts ranging from 0.09 metres to 0.8 metres. All five reef tracts also lost large amounts of coral, sand, and ...

This week's Sea-Floor Sunday is from a very cool website ... that shows the bathymetry of the Lau Basin area (see general map of region on this post) combined with seismic tomographic images ...

Scientists have devised a new map of the Earth's sea floor using satellite data, revealing massive underwater scars and thousands of previously uncharted sea mountains residing in some of the ...

Researchers have found new methods to make detailed maps of the sea floor. The maps will make it possible to spot and protect sensitive marine habitats, ensure safe navigation for ships and keep ...