Chapter 22.2 Climate Zones

Type #1: Tropical Rain forest Central Africa, South America (Amazon), Central America, S.E. Asia Humid/warm Annual rainfall 200 cm

Desert Savannah N. Africa (Sahara) & S.W. Asia < 25 cm of precipitation/year Hot days, cold nights Savannah Grasslands/drought resistant shrubs Wet/dry periods Ave. rainfall 50 cm

Tropical Climates Zone

Type #2 Mid latitude Ave. max temp. < 18* C in winter, min Temp. > 10* C in summer Marine West – dense forests, mild summer/winter frequent rainfall Narrow temp. range Steppe – cold/dry winter, warm/wet summer Drought resistance veg Precipitation< 40 cm Large temperature range

Humid continental – wide variety of veg, evergreens,/high humidity Annual precipitation > 75 cm Large temp. range Humid subtropical - broad leaf & evergreens/ high humidity Annual precipitation ~ 75-165 cm Mediterranean – broadleaf & evergreens, long/dry summer & mild/wet winter Annual precipitation ~ 40 cm Small temp. range

Mid Latitude Climates Zone

Type #3 Polar Subarctic - evergreens, short/cool summers, long/cold winters Annual precipitation 25-50 cm Largest annual temp. range Tundra – treeless, 9 mo. of below freezing Annual precipitation 25 cm Polar Icecap – little/no life, temp. < freezing year round, high winds Low annual precipitation