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What is Climate (59)

What is Climate (59). Climate is the pattern of weather that occurs in an area over many years. It determines the types of plants or animals that can survive, and it influences how people live.

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What is Climate (59)

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  1. What is Climate (59) • Climate is the pattern of weather that occurs in an area over many years. It determines the types of plants or animals that can survive, and it influences how people live. • Climate is determined by averaging the weather of a region over a long period of time, such as 30 years.

  2. Latitude and Climate • Latitude, a measure of distance north or south of the equator, affects climate. • The tropics—the region between latitudes 23.5°N and 23.5°S—receive the most solar radiation because the Sun shines almost directly over these areas.

  3. The polar zonesextend from 66.5°N and 66.5°S latitude to the poles. Solar radiation hits these zones at a low angle, spreading energy over a large area. • Polar regions are never warm.

  4. Between the tropics and the polar zones are the temperate zones. Temperatures here are moderate. Most of the United States is in a temperate zone.

  5. Large bodies of water can affect the climate of coastal areas by absorbing or giving off heat. • This causes many coastal regions to be warmer in the winter and cooler in the summer than inland areas at similar latitude. • Ocean currents affect coastal climates. • Warm currents begin near the equator and flow toward higher latitudes, warming the land regions they pass.

  6. When the currents cool off and flow back toward the equator, they cool the air and climates of nearby land. • Winds blowing from the sea are often moister than those blowing from land. Therefore, some coastal areas have wetter climates than places farther inland.

  7. On the windward side of a mountain range, air rises, cools, and drops its moisture. • On the leeward side of a mountain range air descends, heats up, and dries the land.

  8. Streets, parking lots, and buildings heat up, in turn heating the air. • Air pollution traps this heat, creating what is known as the heat-island effect. • Temperatures in a city can be 5°C higher than in surrounding rural areas.

  9. The pattern of weather that occurs in an area over many years is called that area’s __________. • A. atmosphere • B. climate • C. hemisphere • D. zone

  10. The region between latitudes 23.5º N and 23.5º S is the __________. • A. arctic • B. polar zone • C. temperate zone • D. tropics

  11. According to this figure, most of the United States is in __________. • A. a polar zone • B. a temperate zone • C. the Tropic of • Cancer • D. the Tropic of • Capricorn

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