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What is Ocean Acidification?

April 27, 2017

Ocean acidification refers to a reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon dioxide (CO2) from the atmosphere. For more than 200 years, or […]

What is a seiche?

April 25, 2017

A seiche is a standing wave oscillating in a body of water. If you have observed water sloshing back and forth in a swimming pool, bathtub, or cup of water, you may have witnessed a […]

Why do we name tropical storms and hurricanes?

April 24, 2017

Storms are given short, distinctive names to avoid confusion and streamline communications Until the early 1950s, tropical storms and hurricanes were tracked by year and the order in which they occurred during that year. Over […]

What is a hurricane?

April 19, 2017

A hurricane is a type of storm called a tropical cyclone, which forms over tropical or subtropical waters. A tropical cyclone is a rotating low-pressure weather system that has organized thunderstorms but no fronts (a […]

Is the Earth round?

April 18, 2017

The Earth is an irregularly shaped ellipsoid. While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not […]

What does a geodesist do?

April 11, 2017

Geodesists measure and monitor the Earth to determine the exact coordinates of any point. Using a wide variety of tools, both on the land and in space, geodesists are experts at measuring things. Here are […]

What is PORTS? (Physical Oceanographic Real Time System)

April 10, 2017

PORTS® stands for Physical Oceanographic Real Time System. NOAA PORTS® is an information system that measures and disseminates the oceanographic and meteorological data that mariners need to navigate safely. Marine navigation safety is a serious […]

How far does sound travel in the ocean?

April 7, 2017

The distance that sound travels in the ocean varies greatly, depending primarily upon water temperature and pressure. While sound moves at a much faster speed in the water than in air, the distance that sound […]

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