That the surface's radiation cooling affects on the ground layer temperature inversion is presented as the relatively strong echo peak value corresponding to the temperature variety's valley value.

而地表的辐射冷却，对近地层逆温的影响，表现为较强的回波强度峰值，对应气温变化的谷值。

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The cold waters mean a large temperature contrast between the land and ocean -- conditions that favor the formation of a strong inversion layer that traps smog over cities, such as the Los Angeles, Calif.

CNN: Western U.S. to get smoggy summer, fall