cold current
Refers to a cold ocean current, often contrasted with 暖流 (warm current). Used in geography, meteorology, and fishing contexts.
The sea area where the cold current flows in is known as a fishing ground.
暖流 is a warm ocean current, while 寒流 is a cold ocean current flowing in the opposite temperature direction.
Compound of 寒 (cold) and 流 (current, flow).