Chapter 5: Problem 7

How is it possible to grow moderate-climate-type crops such as wheat, barley, and potatoes at an elevation of 4103 \(\mathrm{m}(13,460 \mathrm{ft})\) near La Paz, Bolivia, so near the equator?

Short Answer

Expert verified

Moderate-climate crops can be grown at high altitudes near the equator due to the lapse rate phenomenon, which results in lower temperatures at high altitudes. When combined with the steady sun exposure of equatorial regions, this creates an ideal environment for these types of crops.

Step by step solution

Understanding the Climate in High Altitudes

In general, the temperature decreases with increasing altitude. This phenomenon, called the lapse rate, says that the temperature decreases by about 6.5 degrees Celsius for every 1000 meters (or 3.5 degrees Fahrenheit for every 1000 feet) you go up. So even though La Paz is near the equator, its high altitude makes its climate suitable for growing moderate-climate crops.

Understanding the Climatic Conditions at the Equator

At the equator, the temperature is typically high due to the direct overhead sun throughout the year. However, this primarily affects regions at low altitudes. It is less significant in regions like La Paz, Bolivia because its high altitude significantly cools the temperature.

Combining the Effects of Altitude and Latitude

Because of its high altitude, the climate of La Paz is cooler than the typical equatorial climate. This combines with the effects of being near the equator, where the amount of sunlight is consistent throughout the year, providing suitable conditions for growing moderate-climate crops like wheat, barley, and potatoes.

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How is it possible to grow moderate-climate-type crops such as wheat, barley, and potatoes at an elevation of 4103 \(\mathrm{m}(13,460 \mathrm{ft})\) near La Paz, Bolivia, so near the equator?

Short Answer

Step by step solution

Understanding the Climate in High Altitudes

Understanding the Climatic Conditions at the Equator

Combining the Effects of Altitude and Latitude

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