寒流

• Reading: かんりゅう
• Romaji: kanryuu
• Kanji breakdown: 寒 (kan) — cold | 流 (ryuu) — current, flow
• Pronunciation: /kaɴ.ɾʲɯː/

Meaning

Cold current; cold ocean current. A body of ocean water cooler than its surroundings, flowing in a consistent direction.

A noun from oceanography and geography. Cold currents such as the Oyashio (親潮) flow along Japan's Pacific coast from the north, carrying rich nutrients that support major fishing grounds. Contrasted with 暖流 (warm current), such as the Kuroshio. The interaction of these two currents off the Sanriku coast creates one of the world's most productive marine ecosystems.

Examples

1. 東北の沖合では寒流と暖流がぶつかり、豊かな漁場が形成されている。 Off the coast of Tohoku, cold and warm currents meet, forming rich fishing grounds.
2. 寒流の影響で、夏でもこの海岸の水温は低く保たれる。 Due to the influence of the cold current, water temperatures along this coastline remain low even in summer.
3. 地球温暖化によって寒流の流れが変化し、漁業への影響が懸念されている。 There are concerns that climate change is altering the flow of cold currents, affecting the fishing industry.

Usage Guide

Context: oceanography, geography, fishing, environmental science

Tone: neutral

Origin & History

Compound of 寒 (kan, 'cold') and 流 (ryuu, 'current, flow'). A precise scientific compound derived from classical Sino-Japanese terminology used in both geography and oceanography.

Cultural Context

Era: Modern

Generation: Adults

Social background: Educated