? 發問時間: 社會與文化語言 · 1 0 年前

什麼是 ”sea current”? (資料請給英文的)

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請問什麼是"sea current"?

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注! 要英文的!!

2 個解答

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  • 匿名使用者
    1 0 年前
    最佳解答

    sea current = ocean current http://en.wikipedia.org/wiki/Ocean_current An ocean current is any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earth's oceans. Ocean currents can flow for thousands of kilometers. They are very important in determining the climates of the continents, especially those regions bordering on the ocean. Perhaps the most striking example is the Gulf Stream, which makes northwest Europe much more temperate than any other region at the same latitude. Another example is the Hawaiian Islands, where the climate is somewhat cooler (sub-tropical) than the tropical latitudes in which they are located because of the California Current. However the importance of currents is also illustrated by the El Niño, in which a temporary reversal of an ocean current causes devastating climatic changes along the west coast of South America. El Niño effects spread as far as Australia.Surface ocean currents are generaly wind driven and develope their typical clockwise spirals in the northern hemisphere and counter-clockwise rotation in the southern hemisphere due to the coriolis effect. In wind driven currents the Ekman spiral effect results in the currents flowing at an angle to the driving winds.Deep ocean currents are driven by density and temperature gradients. Thermohaline circulation refers to the deep ocean density driven ocean basin currents. These currents that flow under the surface of the ocean, and are thus hidden from immediate detection, are called submarine rivers.Ocean currents are also very important in the dispersal of many life forms. A dramatic example is the life-cycle of the eel.

    圖片參考:http://en.wikipedia.org/skins/common/images/magnif...

    Ocean currents (1943)Contents [showhide] 1 Important currents include:1.1 Arctic Ocean1.2 Atlantic Ocean1.3 Pacific Ocean1.4 Indian Ocean1.5 Southern Ocean2 See also3 External link[edit]Important currents include:[edit]Arctic OceanEast Greenland Current Norwegian Current [edit]Atlantic OceanLabrador Current Gulf Stream North Equatorial Current South Equatorial Current North Brazil Current Guinea Current Angola Current Brazil Current Benguela current South Atlantic Current [edit]Pacific OceanAleutian Current North Pacific Current (or North Pacific Drift) Humboldt Current (or Peru Current) Kuroshio Current (or Japan Current) Oyashio Current Mindanao Current North Equatorial Current South Equatorial Current Cromwell current [edit]Indian OceanAgulhas Current East Madagascar Current Somali Current Mozambique Current Leeuwin Current Indonesian Through-flow North Equatorial Current South Equatorial Current Indian Monsoon [edit]Southern OceanAntarctic Circumpolar Current Weddell Gyre [edit]See alsoHydrothermal circulation [edit]External linkNOAA Ocean Surface Current Analyses - Realtime (OSCAR) (http://www.pmel.noaa.gov/tao/jsdisplay/) Near-realtime Pacific Ocean Surface Currents derived from satellite altimeter and scatterometer data.

  • 5 年前

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