Bedrock Ocean has developed an autonomous underwater vehicle (AUV) that runs for up to 12 hours off its lithium-ion batteries while mapping the floor using its sonar and magnetic sensors.

More accurate maps based on data from the SWOT mission can improve underwater navigation and result in greater knowledge of how heat and life move around the world’s ocean. There are better maps ...

Lidar uses laser light to allow researchers to build a high-resolution three-dimensional model of the deep seafloor (top) that is more detailed than bathymetric maps collected by traditional multibeam ...

These underwater mountains affect ocean currents and can create nutrient-rich areas that attract marine life. "We won’t get the full ship-based mapping done by" 2030, Sandwell said.

Satellite data has enabled researchers at the U.S. Geological Survey (USGS) to develop a new way to measure ocean depth. The technique, which uses imagery captured by the Landsat program, works ...

Well, it turns out, for most of the planet’s surface — the ocean floor, that is — we don’t have very good maps. Researchers announced Friday that they’ve completed a map for just over ...

Tharp’s maps, and the evidence they provided, became a cornerstone of the modern understanding of geology. Her work proved that the ocean floor was not static, but a dynamic, changing landscape.

The new range means that about 99% of the seafloor is now within Alvin’s reach as well as that of its pilot and two passengers. It’s the third increase in depth for Alvin since the submersible ...

A new study finds that the shape and depth of the ocean floor explain up to 50% of the changes in depth at which carbon has been sequestered in the ocean over the past 80 million years. Previously ...

These maps show the changes in area of ocean exposed to corrosive bottom waters in 17 different regions. The pre-industrial CCD is dark blue and areas above the lysocline are light blue.