逆温是指对流层大气出现上热下冷的现象。逆温发生时空气对流运动减弱,有人说逆温是霾的“帮凶”。下图示意某日某地出现逆温时对流层大气温度随高度的变化情况。读图回答问题。
1.该地此次逆温的逆温层是( )
A.① | B.② | C.③ | D.②③ |
A.该地对流层气温整体下降 | B.①、②层之间空气对流更旺盛 |
C.③层大气逆辐射减弱 | D.抑制污染物扩散 |
①抑制沙尘暴②增大降雨概率③减少地面辐射④加重城市空气污染
A.①② | B.①③ | C.①④ | D.②③ |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2