Question

How is a land breeze similar to a sea breeze and how are they different

Answer 1

Here is your answer.
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Answer 2

Mountain and valley breezes are other examples of local winds caused by an area's geography. Campers in mountains areas may feel warm afternoon quickly change into cold night soon after the sun sets. During the day, the sun warms the air along the mountain slopes. This warm air rises up the mountain slopes, creating a valley breeze. At nightfall, the air along the mountain slopes cools. This is cool air moves down the slopes into the valley, producing a mountain breeze.

Different

Both are the result of differential heating and are influenced by the high specific heat capacity of water.

During the daytime hours, the heating of land causes the atmospheric pressure to decrease. Slightly higher pressure over the water creates a pressure gradient directed from the water to the land. Hence, a sea breeze.

During the night, land cools off quicker than the surrounding water. The result is a slight increase in pressure over the land. This forms another pressure gradient, this time pointed from the land to the water. Now you have a land breeze