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| | The continuous motion of water is a major characteristic of the World Ocean. Water-mass movement in horizontal and vertical directions forms the general system of Ocean circulation. Deposition, evaporation, coastal drainage, horizontal non-uniformity of water density, tides, wind and atmospheric pressure are all related to a number of factors which cause a transitional motion of Ocean waters. With the origin of motion, there is a declining force of rotation of the Earth (Coriolis effect), which inclines the forced weight of water to the right in the Northern hemisphere and to the left in the Southern Hemisphere. Circulation of surface waters is now one of the most investigated topics. Circulation represents a rotational system around a fixed geographical point. Each rotation permits the interconnected currents to widen, and increases the speed and volume, thereby mixing the waters. |  | | | | 1. Cold currents; 2. Warm currents; Speed of currents in m/sec: 3. <0.25; 4. 0.25-0.50; 5. >0.5. | | | | Map from the Man and the Ocean, a CD-ROM produced by the Russian Head Department of Navigation and Oceanography | | | | |
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| | | Title | NOAA AOML Oceanographic Research
( WEBSITE )
| | Description | Data are provided by scientific research cruises, large scale and regional observing systems, and satellites. Sea-going activity includes "blue water" research cruises conducted globally and coastal water research cruises conducted in U.S. waters. Ocean observing systems operated by NOAA's Global Ocean Observing System (GOOS), housed in PhOD, provide data from research and merchant ships, surface drifters and profiling floats to meet forecast and stewardship needs. Satellite observations are also an important tool used by PhOD scientists and provide observations on the basin and global scale. The resulting data are interpreted using empirical and statistical methods and numerical models as tools to understand dynamical processes in the ocean/atmosphere coupled system and coastal areas. | | Keywords |  OCEANOGRAPHY; NOAA; RESEARCH | | Geography Keywords | UNITED STATES | | Content Language(s) | French | | Web Address (URL) | http://www.aoml.noaa.gov/phod/ | |
| Type of Website | Institutional website | |
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| Related to Topics | Ocean dynamics
(15085); Global Ocean Observing System (GOOS)
(12477) | | | |
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979 Topics - 5229 Related Knowledge - 11257 Members - 47 Editors |
freeMem:70,214,576 totMem:477,429,760 reqNum:1100458 openSessions:1 generationTime:2013/05/23 07:59:54 |
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