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Learn about the rotation of Earth around its own axis, changes in the orientation of the rotation axis, and the history of the idea of a rotating Earth. Find out how Earth's rotation affects the length of a day, the seasons, the tides, and the shape of the planet.
The Transverse Ranges are a group of east–west oriented mountains in southern California, part of the Pacific Coast Ranges. They have diverse geology, topography, and vegetation, and are bounded by the San Andreas Fault, the Pacific Ocean, and the Channel Islands.
An ocean gyre is a large system of circulating ocean surface currents caused by wind stress and planetary vorticity. Learn how gyres are asymmetrical, how they are influenced by Ekman pumping and suction, and how they have western intensification.
Clockwise is the direction of rotation or revolution that proceeds in the same way as a clock's hands relative to the observer. Learn about the origin, history, and applications of clockwise and counterclockwise in various fields and contexts.
The South Pacific Gyre can be seen in the lack of oceanic currents off the west coast of South America. Map of ocean currents circa 1943 This photo demonstrates the dispersal of plastic fragments of various sizes Visualization of the flow pattern of ocean pollutants The South Pacific garbage patch is an area of ocean with increased levels of ...
Learn about the four cardinal directions (north, south, east, and west) and their intermediate and additional points on a compass. Find out how to determine them using a compass, the Sun, the stars, or other methods, and how they are used in geography, astronomy, and culture.
Learn about local tangent plane coordinates, a spatial reference system based on the tangent plane defined by the local vertical direction and the Earth's axis of rotation. Find out how they differ from ECEF and geodetic coordinates, and how to convert between them.
The North Atlantic Current is a warm western boundary current that extends the Gulf Stream northeastward. It has a major influence on European climate, but its stability is threatened by climate change and global warming.