Members of a 1922 geodetic survey expedition. Until recent advances in satellite technology, namely the creation of the Global Positioning System (GPS), geodetic surveying was a task best suited to ...

Several thousand marine scientists are busy at work in the United States dealing with a diversity of important issues — from climate change, declining fisheries, and eroding coastlines, to the ...

These guides outline the essential principles and fundamental concepts needed to be ocean and climate literate. An NGSS aligned interactive module about the causes, and impacts of sea level rise, ...

Pocosins are generally found along the Atlantic coastal plain of the United States, from southern Virginia to northern Florida. These areas typically occur in broad, low-lying shallow basins that do ...

Though home to almost 40% of the U.S. population, coastal areas account for less than 10% of the total land in the contiguous United States. In the U.S., 127 million people live in coastal counties.

Measuring the motion of tectonic plates is part of the science of geodesy. To define the shape of the Earth, NOAA’s National Geodetic Survey, part of the National Ocean Service, uses a variety of ...

The saltiness of the ocean is the result of several natural influences and processes; water from rivers entering the ocean is just one of these factors. Braided river delta at low tide Lower Cook ...

The name “tidal bore,” also called a “bore tide,” is a bit of a misnomer — these natural occurrences are anything but boring. Also called mascaret (French), pororoca (Brazilian), and “the Bono” ...

Federal consistency is a provision in the Coastal Zone Management Act that requires the federal government to comply with a state's Coastal Management Program when taking actions that are likely to ...

Despite their scary reputation, sharks rarely ever attack humans and would much rather feed on fish and marine mammals. Only about a dozen of the more than 300 species of sharks have been involved in ...

VIDEO: What is an ocean glider? Here's an overview in under two minutes. Transcript Scientists are now experimenting with using gliders to locate populations of spawning fish. The glider illustrated ...

Our marine transportation system includes 500,000 square nautical miles of navigationally significant waters. Over 1.34 billion metric tons of cargo, valued at $1.73 trillion, shipped in and out of ...