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Chapter 16: Problem 6

Why do large bodies of water exert a temperature-moderating effect on their surroundings?

Short Answer

Expert verified
Large bodies of water exert a temperature-moderating effect on their surroundings due to their high specific heat capacity and thermal conductivity. These properties allow water bodies to absorb and store a significant amount of heat from their surroundings during the day, and release this stored heat back to the surroundings during the night, resulting in milder temperatures.

Step by step solution

01

Understanding the Properties of Water

First, we need to understand that water has high thermal conductivity and specific heat capacity. This means water can absorb and store a significant amount of heat energy without a significant increase in its temperature. That's why water bodies take longer to heat up or cool down compared to the land around them.
02

Understanding Heat Exchange Between Water and Land

Due to the properties highlighted in the previous step, during the day when the land heats up, the excess heat is transferred from the land to the water bodies, thus cooling the surrounding land. Similarly, at night when the land cools down faster, the heat stored in the water is released to the surrounding land, thereby heating it up.
03

The Effects on Climate

The temperature-moderating effect of large water bodies can have a significant impact on the local climate. Regions near large bodies of water tend to have milder temperatures year-round, with less dramatic temperature swings between day and night or between seasons. This effect is more profound in coastal regions and islands.

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Most popular questions from this chapter

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