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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. - PowerPoint PPT Presentation
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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.
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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.
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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
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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.
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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.
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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
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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.
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EF - Permanent Ice and Snow
• Glacial areas such as mountain glaciers or continental glaciers (Antarctica & Greenland)
• No vegetation or permanent human habitation.
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