|
发表于 2020-3-15 15:34:05
|
显示全部楼层
zwyi 发表于 2020-3-15 10:320 O0 y% A# z3 @
CLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. ... ; @! Q& C* j0 ?" m+ e3 ? l% B
CLOUD COVER, if heavy can blockmost UV radiation. Thin or brokenclouds allow most UV rays through. Puffy, fair weather clouds deflectrays and can increase UV radiationreaching the surface.
* b% u5 C( G; n4 B9 j }/ t8 H( r$ Y
厚云遮挡大部分紫外线;薄云则大部分紫外线都能穿透过去。而晴天里蓬松的云会折射紫外线,增加到达地面的辐射量。
" n" a. ?, n2 F
; H4 n. P# N, o" b! a9 E9 ]- Y谢谢,学习了!1 H" E, b2 y( ]9 K8 g! G
|
|