depth hoar中文什么意思

地下霜

深灰白

雪下冰晶

雪中白霜

• depth:    n. 1.深；深度。 2.(色泽的) ...
• hoar:    adj. 1.(头发)灰白的，白色的 ...
• air hoar:    大气冰晶沉积; 大气冰晶沈积; 树霜

百科释义

Depth hoar are large crystals occurring at the base of a snowpack that form from when uprising water vapor deposits or desublimates onto existing snow crystals. Depth hoar crystals are large, sparkly grains with facets that can be cup-shaped and that are up to 10 mm in diameter.