desert are hot in day and cold at night why?
Answers
Explanation:
Basic physics concerning heat - in some ways similar to why you get cold sleeping at night if you don’t have a blanket over you.
Deserts are cold at night because generally there is no cloud cover at night. The heat of the land (gathered during daylight hours is lost into the upper atmosphere. Even in latitudes as far north as the UK, it is warmer on those wintry nights when there is cloud cover. Many a time the weather forecast mentions the business about cloud cover or clear skies at night. Clear skies at night usually means the temperature will drop lower than if there is cloud cover - acting like the blanket over you when you sleep at night.
Answer:
Explanation:
Deserts are places with no moisture. There can be hot and cold deserts. What you are talking about are hot deserts. Because of having no humidity, there is no evaporation of water and thus no clouds. Without clouds, these deserts are directly open to the sun. Another reason is that these hot deserts are situated near the Equator. The Equator is the part that is bulging out in the middle of the Earth. The Equator is closer to the Sun, thus more heat from it. Being cold at night is also because of the absence of water vapor. Water vapor traps heat in the day, and at night they let these out, thus heating its surroundings. Deserts have almost no water vapor to trap heat and are cold at night.
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