Tag: Technology

Natural History / Natural History - 9 years ago

What is a nautical chart?

NOAA's Office of Coast Survey, part of the National Ocean Service, is the nation's nautical chartmaker. A nautical chart is one of the most fundamental tools available to the mariner. It is a map that depicts the configuration of the shoreline...

Natural History / Natural History - 9 years ago

What is a sonar?

A three-minute video about multibeam and side scan sonar, including a visualization that shows how sonar data is used to make products like nautical charts. | Download: Soundscapes (75 MB) Sonar, short for Sound Navigation and Ranging, is he...

Natural History / Natural History - 9 years ago

What is hydrography?

By mapping out water depth, the shape of the seafloor and coastline, the location of possible obstructions, and physical features of water bodies, hydrography helps keep our maritime transportation system moving safely and efficiently. Download...

Natural History / Natural History - 9 years ago

What is a benthic habitat map?

Benthic habitat map for Pacific Island Territories The term benthic refers to anything associated with or occurring on the bottom of a body of water. The animals and plants that live on or in the bottom are known as the benthos. In ocean water...