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The Great Pacific Garbage Patch (also Pacific trash vortex and North Pacific Garbage Patch [8]) is a garbage patch, a gyre of marine debris particles, in the central North Pacific Ocean. It is located roughly from 135°W to 155°W and 35°N to 42°N . [ 9 ]
The North Pacific Current. The North Pacific Current (sometimes referred to as the North Pacific Drift) is an ocean current that flows west-to-east between 30 and 50 degrees north in the Pacific Ocean. The current forms the southern part of the North Pacific Subpolar Gyre and the northern part of the North Pacific Subtropical Gyre.
The North Pacific Subtropical Gyre (NPSG) is the largest contiguous ecosystem on earth. In oceanography, a subtropical gyre is a ring-like system of ocean currents rotating clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere caused by the Coriolis Effect. They generally form in large open ocean areas that lie ...
The NPGO has global impacts outside of the Eastern North Pacific. Its secondary role in modeling SSTa suggest that tropically coupled dynamics could play a driving role in NPGO fluctuations. [ 4 ] [ 1 ] It is quite possible that with continuing climate change the NPGO can aid in determining underlying drivers of decadal ecosystem variability ...
With the arrival of the major United States Pacific Fleet units at Pearl Harbor naval base in 1939, it became increasingly clear that a new receiver and control station was needed. Therefore, a secluded spot at Wahiawa, some 20 miles (32 km) north of Pearl Harbor, was chosen and purchased by the Navy for approximately one million dollars.
The North Equatorial Current (NEC) is a westward wind-driven current mostly located near the equator, but the location varies from different oceans. The NEC in the Pacific and the Atlantic is about 5°-20°N, while the NEC in the Indian Ocean is very close to the equator. It ranges from the sea surface down to 400 m in the western Pacific.
The Joint Typhoon Warning Center (JTWC) is a joint United States Navy – United States Air Force command in Pearl Harbor, Hawaii.The JTWC is responsible for the issuing of tropical cyclone warnings in the North-West Pacific Ocean, South Pacific Ocean, and Indian Ocean for all branches of the U.S. Department of Defense and other U.S. government agencies.
An example of positive PNA (left) and negative PNA (right), based on anomalies in the geopotential height of the 500 hPa pressure level. The Pacific–North American teleconnection pattern (PNA) is a large-scale weather pattern with two modes, denoted positive and negative, and which relates the atmospheric circulation pattern over the North Pacific Ocean with the one over the North American ...