Which part of India experiences the highest diurnal ranges of temperature and why?
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Thar Desert has the greatest diurnal ranges of temperature.
WHY-
In Hot and Dry deserts, there is concentrated precipitation in short bursts, usually between longer periods of no rainfall. In some seasons such as the winter, it rarely rains in Hot and Dry deserts. In some Hot and Dry deserts, the annual rainfall is less than 1.5 centimeters. This leads to a lack of humidity in the air. Humidity is necessary to block the sun’s heat, and without it, the temperatures at peak are capable of reaching 49°, as mentioned previously. This also means that the lack of humidity is responsible for not retaining any of the heat the desert was saturated with during the daytime, which is met by a response in the extreme temperature drop come nighttime.
WHY-
In Hot and Dry deserts, there is concentrated precipitation in short bursts, usually between longer periods of no rainfall. In some seasons such as the winter, it rarely rains in Hot and Dry deserts. In some Hot and Dry deserts, the annual rainfall is less than 1.5 centimeters. This leads to a lack of humidity in the air. Humidity is necessary to block the sun’s heat, and without it, the temperatures at peak are capable of reaching 49°, as mentioned previously. This also means that the lack of humidity is responsible for not retaining any of the heat the desert was saturated with during the daytime, which is met by a response in the extreme temperature drop come nighttime.
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(i) Diurnal range of temperature is the difference between maximum and minimum temperature of a day.
(ii) Diurnal range of temperature is high in desert regions like Rajasthan, Thar Desert and interior parts of Rann of Kutch.
(iii) In these sandy areas, the day temperature may rise to 50° and drop down to near freezing point the same night.
(iv) It is so because the sand absorbs heat very fast during day and loses heat very fast at night.
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