Cold current - Kanryu (English spelling)

Japanese: 寒流 - かんりゅう（英語表記）cold current

A general term for cold ocean currents that flow from polar regions toward the equator along continents. As opposed to warm currents. In the Pacific Ocean, the Alaska Current is located to the north, and its western extension becomes the Oyashio Current, which meets the Kuroshio Current off the coast of Sanriku. In the Antarctic Ocean, the Antarctic Circumpolar Current is located, which is rich in drift ice and icebergs. In the Atlantic Ocean, the Labrador Current to the north and the East Greenland Current are the main cold currents that carry large amounts of drift ice and icebergs from March to July. Cold currents are cooler and less saline than the surrounding seawater, and contain more oxygen, phosphates, silicates, etc. (→ nutrients), which allows plankton to proliferate. Examples include the Oyashio Current and the Labrador Current, and the area near the polar front where they meet the warm currents is known to be a particularly good fishing spot.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

極海域から大陸に沿って赤道のほうへ流れる低温の海流の総称。暖流に対する。太平洋では北にアラスカ海流があり，その西側の延長が親潮となって三陸沖で黒潮に接する。南極海域では南極環流があって，流氷や氷山が多い。大西洋では北のラブラドル海流と東グリーンランド海流がおもな寒流で3月から7月にかけて多量の流氷や氷山を運ぶ。寒流はまわりの海水に比べて低温で塩分が低く，酸素，リン酸塩，ケイ酸塩など (→栄養塩類 ) が多いのでプランクトンが繁殖する。親潮やラブラドル海流などはこの例で，暖流と接する極前線付近は特に好漁場として知られている。

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