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Explore the various climate families, from tropical to polar, and their characteristics. Understand how temperature and precipitation influence vegetation in different regions. Discover climographs depicting tropical rainforests, savannas, deserts, and more.
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Climate Family Climographs& Locations Developed by Joe Naumann
A family of climates - Tropical • Warm all months • Diurnal temperature range is usually greater than the range of average monthly temperatures. • Seasons based on precipitation, not on temperature. • Differences in typical vegetation is based on differences of available precipitation.
Am – Tropical Monsoon • Not given on many maps – often combined with the tropical rainforest (Af) • Temperatures are very similar to Af • Precipitation differs: there is a short dry season that is long enough to allow some deciduous trees to be part of the forest.
B Family – Dry Climates • The most important characteristic is the insufficiency of precipitation for any kind of continuous vegetation cover. • Precipitation is also usually unreliable. • Temperatures are usually not considered • High altitude & high latitude deserts (Bwk) • High altitude & high latitude steppe (Bsk) • Low latitude deserts (Bwh) • Low latitude steppe (Bsh) • Temperatures – k = cold & h = hot
C Family – 4 season temperate • All members have four distinct seasons based primarily on temperature differences • The receive enough precipitation to support some type of forest vegetation (Maquis of the Mediterranean is the result of human action of long ago – deforestation by the Romans) • Summers can be very hot, but winters are mild compared to those of the D climates.
Climagraph – Cfa (Humid subtropical) St. Louis is near the northern border of Cfa
D Family – Humid Continental • The continental influence results in seasonal temperature extremes • Four seasons, but the summer gets shorter and cooler as one progresses from Dfa to Dfd. • Found in the higher latitudes; therefore, there are none in the southern hemisphere. There are no huge continental landmasses in those latitudes in the southern hemisphere. • Sufficient precipitation to support some type of forest vegetation.
Climagraph – Dfa (Humid Continental – hot summer) St. Louis is near the southern border of Dfa
Moving north into Canada colder D climates • Dfc • Dfd – coldest of the D family • D climates found in Asia, particularly Siberia (w stands for dry winter) • Dwa • Dwb • Dwc • Dwd
E Family – Polar climates • Here the temperatures do not get warm enough to provide a reasonable growing season. Available precipitation is insufficient to support any type of forest. • The ET climate (tundra) does support grasses, herbaceous plants, mosses, and lichens in the few months that might avearge above freezing. • The EF climates never have average temperatures above freezing, so there is no vegetation.
EF - Permanent Ice and Snow • Glacial areas such as mountain glaciers or continental glaciers (Antarctica & Greenland) • No vegetation or permanent human habitation.