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Chapter 4 Section 1

Chapter 4 Section 1. What Causes Climate. OBJECTIVE: Identify factors used to define climates and differentiate between climate regions. Climate: The average, year-after-year conditions of Temperature, precipitation, winds and clouds in an area.

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Chapter 4 Section 1

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  1. Chapter 4 Section 1 What Causes Climate

  2. OBJECTIVE: Identify factors used to define climates and differentiate between climate regions. • Climate: The average, year-after-year conditions of • Temperature, precipitation, winds and clouds in an area. • Two main factors determine the climate of a region: • Temperature and precipitation • TEMPERATURE-The main factors that influence temperature • are: A. LATITUDE-Effects the amount of sun to the Earth B. ALTITUDE-Temperature decreases about 6* for every km you Go up through the Troposphere. C. Distance from large bodies of water – Oceans keep land Temperature moderate because they heat up slowly and cool Down slowly.

  3. D. OCEAN CURRENTS: Warm ocean currents make land nearby warmer. Cool ocean currents make land nearby cooler. 4. PRECIPITATION: Factors that effect precipitation are: • PREVAILING WIND: Moves air masses which cause • precipitation. • MOUNTAIN RANGES: Rain and snow falls on the • windward side of a mountain. The land on the leeward side of • a mountain (down wind) is in the rain shadow. • SEASONAL WINDS: A seasonal change in wind patterns • can affect precipitation. • *Monsoons: Sea and Land breezes over a large region that • change direction with the season.

  4. Micro climates: The same factors that affect large climate • Regions affect smaller areas. A small area with specific climate • Conditions- • *Park *Parking Lot or Drive way *Lawn • *Windy Peninsula in the ocean • The seasons are caused by the tilt of the Earth’s axis as Earth • Travels around the sun.

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