A super typhoon is a storm that sees wind speeds of at least 150 miles per hour for a minimum of one minute, according to the National Oceanic and Atmospheric Administration. Such a storm is the equivalent of a category ... More »

A typhoon is the same thing as a hurricane or cyclone. They are called different names depending on where they occur. Typhoons are the name used for tropical cyclones in the Northwest Pacific, specifically to the west of... More »

www.reference.com Science Weather & Tides

A typhoon is a tropical storm that forms over warm ocean water and rotates around a central eye. A typhoon is another name for a hurricane. More »

The numbers on a marine chart represent soundings done by agencies such as the National Oceanic and Atmospheric Administration, or NOAA. The international unit of measure is the fathom, which is equal to 6 feet. Sounding... More »

www.reference.com Geography Bodies of Water

Ocean acidification is a reduction of the pH of the ocean over time, according to the National Oceanic and Atmospheric Administration. This is predominantly due to uptake of carbon dioxide from the atmosphere. More »

www.reference.com Geography Bodies of Water

The National Oceanic and Atmospheric Administration offers water depth charts for coasts around the United States with its Office of Coast Survey website. An entire catalog of the Atlantic Coast, along with the depths of... More »

www.reference.com Geography Bodies of Water

View a map of Lake Superior, showing bathymetric contour data, by going to the National Oceanic and Atmospheric Administration Great Lakes Environmental Research Laboratory website, clicking on the Data and Products menu... More »

www.reference.com Geography Bodies of Water