Environmental Science FIRST EDITION Andrew Friedland Rick Relyea © 2012 W. H. Freeman and Company CHAPTER 4 Global Climates and Biomes.

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Presentation transcript:

Environmental Science FIRST EDITION Andrew Friedland Rick Relyea © 2012 W. H. Freeman and Company CHAPTER 4 Global Climates and Biomes

Food, Drought and Famine

Weather -v- Climate

What influences weather and climate? 1.Unequal heating of Earth 2.Atmospheric convection currents 3.Rotation and Coriolis Effect 4.Earth’s orbit and tilted axis 5.Circulation of ocean waters

Studying Climate and Weather

5 Layers of Atmosphere N 2, O 2 & H 2 0 Ozone !!

Solar Radiation in Thermosphere

Unequal Heating of Earth 1.Angle of sun through atmosphere 2.Angle of sunlight across surface 3.Albedo

Why does it rain so much at the equator?

Fig. 6-9 b & c p Fig p. 118 Air Circulation & Biomes

ENSO

Effects of ENSO &

Tundra

Taiga

Temperate Rainforest

Temperate Seasonal Forest

Chaparral

Temperate Grassland

Tropical Rainforest

Tropical Seasonal Forest & Savannah

Subtropical Desert