differentiate between climate and relief
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long duration in climate in climatic condition and rilief
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, the term relief may be defined as “the variations in elevation and slope of an area of the Earth’s surface”. When we speak of an area as being flat, gently sloping or mountainous, we are speaking of the relief of that area. When we speak of the elevation (height above sea level) of an area, we are also speaking of relief.
The relief of an area can have a significant effect on the climate of that area. Let us explore the effect of relief on temperature, wind and rainfall.
Effect of Relief on Temperature
Elevation has a marked effect on the temperature of an area. Generally speaking, temperature decreases with height in the lower atmosphere. Therefore, areas at high elevations would tend to experience lower temperatures than nearby areas at much lower elevations. In the lower atmosphere, temperature decreases at a rate of about 6.5 degrees Celsius per kilometer. The rate at which temperature decreases with height is called the environmental lapse rate.
The drop in temperature is due in part to the fact that atmospheric pressure decreases with height. Because of the lower pressure at high elevations, the air is thinner (the molecules of air are farther apart). This makes the air less capable of absorbing or retaining heat. The video below explains in more detail.
The relief of an area can have a significant effect on the climate of that area. Let us explore the effect of relief on temperature, wind and rainfall.
Effect of Relief on Temperature
Elevation has a marked effect on the temperature of an area. Generally speaking, temperature decreases with height in the lower atmosphere. Therefore, areas at high elevations would tend to experience lower temperatures than nearby areas at much lower elevations. In the lower atmosphere, temperature decreases at a rate of about 6.5 degrees Celsius per kilometer. The rate at which temperature decreases with height is called the environmental lapse rate.
The drop in temperature is due in part to the fact that atmospheric pressure decreases with height. Because of the lower pressure at high elevations, the air is thinner (the molecules of air are farther apart). This makes the air less capable of absorbing or retaining heat. The video below explains in more detail.
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