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Subjects

Geography

Distribution of temperature and inversion of temperature

This Class 11 Geography topic explains how temperature varies across the Earth’s surface and through the atmosphere as part of solar radiation, heat balance, and temperature studies. Students learn about horizontal and vertical temperature distribution, the normal decrease of temperature with altitude, and the factors that influence it, including latitude, land and water, ocean currents, winds, and relief. The topic also examines temperature inversion, its causes, types, and effects on air movement, fog, pollution, and local weather conditions.

Expert · Level 1 · 25 questions

Practice questions

01Why do isotherms bend southward over the interior parts of Asia on a January world temperature map?

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02The spread of a high-temperature belt over North Africa and Southwest Asia in July is explained by which combined reason?

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03Why do isotherms remain more parallel in the Southern Hemisphere than in the Northern Hemisphere?

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04Why can Western Europe be relatively warmer than eastern Canada at the same latitude?

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05What is the most scientific reason for the lower air layer remaining stable during temperature inversion?

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06Why is a clear sky more favorable than a cloudy sky for nocturnal radiational inversion?

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07Why is frost more common on valley floors during valley inversion while upper slopes remain relatively safer?

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08In which condition can urban smog become most persistent due to temperature inversion?

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09If two coastal cities are at the same latitude but one is influenced by a warm current and the other by a cold current, what will be the main cause of temperature difference?

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10Despite maritime influence, why can temperature remain low on a coast where cold upwelling occurs?

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11What does close spacing of isotherms indicate on a temperature map?

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12Why can high plateaus remain relatively cool even at low latitudes?

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13The very high diurnal range in deserts is better explained not merely by low rainfall but by which process?

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14Why is annual temperature range smaller in coastal areas than in inland continental areas?

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15Why do isotherms shift or bend northward over Asian land areas in July?

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16Why may sound sometimes be heard farther than usual during temperature inversion?

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17Why can pollution levels suddenly decline when an inversion layer lifts or breaks?

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18The temperature difference between south-facing and north-facing mountain slopes is mainly due to what?

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19What is the main reason extreme temperatures are uncommon over tropical oceans?

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20In which situation can the effect of altitude on temperature appear stronger than the effect of latitude?

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21How can positive snow feedback affect temperature in a high-albedo snow-covered region?

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22Why can the daytime maximum temperature in a forest area be lower than in a nearby urban area?

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23Why can the urban heat island be more evident at night?

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24Which type of wind can cause a sudden fall in temperature distribution?

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25What conclusion follows from isotherms bending more over continents and less over oceans?

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