The Loop Current is a swift flow of warm Caribbean water that enters the Gulf through the Yucatan Channel, curves northward in a loop and exits through the Florida Straits. From there, its water feeds the Florida Current and the Gulf Stream. The loop changes size and position, sometimes extending deep into the Gulf before…
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A Plimsoll line is the load-line marking painted on a ship’s hull to show the greatest depth at which the vessel may safely sit in the water under specified conditions. It gives crews and inspectors a visible check on freeboard that port authorities can also use. Freeboard is the vertical distance between the water and…
A nautical mile is a unit of distance used for travel on water and in the air. One international nautical mile equals exactly 1,852 meters, or about 1.1508 statute miles. Mariners and pilots use it because nautical charts are organized around latitude and longitude, making the unit convenient for measuring routes across the curved surface…
A natural oil seep is a place where crude oil and natural gas escape from underground deposits through fractures or porous sediment and enter the sea. The flow may begin far below the seabed, rise through layers of rock and appear as bubbles, droplets, tar, or a thin slick at the surface. Unlike a sudden…
