In general, the oceanexplorer.noaa.gov website follows the AP Stylebook ; the most notable exception is that writing on the website always uses the serial (Oxford) comma. academic degrees – Preferred ...

To standardize and accelerate the sharing and use of environmental DNA (eDNA) data and metadata, NOAA has launched the Ocean ...

While marine life seen during the tenth dive of the 2026 American Samoa ROV + Mapping Exploration expedition wasn’t plentiful, it was present. From amphipods clinging to a dead sponge stalk to sea ...

Throughout the expedition, I have worked alongside the mapping team to collect and process hydrographic data. We ensure the quality of the data before sending it to shore to be made available for ...

Red light does not reach ocean depths, so deep-sea animals that are red actually appear black and thus are less visible to predators and prey. Sunlight contains all of the colors of our visible ...

The Pacific Ocean is the largest and deepest ocean basin on Earth, covering more than 155 million square kilometers (60 million square miles) and averaging a depth of 4,000 meters (13,000 feet).

While the Okeanos Explorer is at sea, live video is streamed to shore. This section contains information on how to view the video streaming from the ship and instructions to set up two-way ...

A sub-bottom profiler is a type of sonar system – a geophysical survey tool that uses sound to map beneath the seafloor. Low-frequency pulses of sound are aimed toward the seafloor, where some pulses ...

Multibeam sonar is a type of active sonar system used to map the seafloor and detect objects in the water column or along the seafloor. The multiple physical sensors of the sonar – called a transducer ...

Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Surface currents in the ...

Bathymetry is the underwater equivalent to topography–the study of surface terrain like hills and valleys on land. Just like dry land, the surface of the seafloor is not always flat. The seafloor can ...