catabatic

adj.下降的,减少的,缓解的

(of an atmospheric flow) blowing downhill; of or relating to the downward flow of air from higher to lower elevations, especially at night.

形容词

1. Catabatic winds are common in mountainous regions.
山区常有下山风。

2. The catabatic flow of air can have a significant effect on local weather patterns.
下山气流对当地的天气模式有重要影响。