Climate classification systems

Climate classification systems are methods of dividing the world’s climates. A climate classification may associate with a biome class, as the climate is a major impact on living organisms in an area.

Köppen-Geiger climate classification

Köppen climate classification is the most popular classification scheme. It was first announced by the German-Russian climatologist Wladimir Köppen. The Köppen climate classification scheme classifies climates into 5 main climate groups (A – tropical, B – dry, C – temperate, D – continental, E – polar), with each group being split based on seasonal precipitation (f – rainforest, m – monsoon, w – wet summer, s – dry summer, W – desert, S – steppe, f – without dry season) and temperature patterns (h – hot, k – cold, a – hot summer, b – warm summer, c – cold summer, d – very cold winter).

Trewartha climate classification

The Trewartha climate classification scheme is an altered version of the Köppen-Geiger system. It was first announced by American geographer Glenn Thomas Trewartha. The Trewartha system classification scheme to reconsider the middle latitudes to be closer to vegetation zoning and genetic climate systems.

Glenn Thomas Trewartha reclass the middle latitudes into 3 groups: C (subtropical) – 8 or more months have a mean temperature of 10 °C (50 °F) or higher; D temperate – 4 to 7 months have a mean temperature of 10 °C or higher; and E boreal climate – 1 to 3 months have a mean temperature of 10 °C or higher. The tropical climates and polar climates persisted the same as the original Köppen climate classification.

Trewartha climate classification

Alisov climate classification

Alisov climate classification scheme classifies climates into 7 major climatic belts – equatorial, subequatorial, tropical, subtropical, mid-latitude subarctic/subantarctic and arctic/antarctic.

The climatic bands subdividing longitudinally. For example, the western part of a temperate band on a continent is classified as “temperate oceanic”. Immediately to the east of it is a “mild-continental climate” followed by “actively continental” and then “temperate monsoon”. The subtropical zone reflects a similar pattern, the Mediterranean climate in the west to a monsoon climate on the eastern side of continents.

Alisov climate classification

Climate classification by Wincenty Okołowicz

Wincenty Okołowicz is a polish geographer. He splits Polar zone into 2 groups: Polar (Greenland) and Subpolar (Alaska); Temperate zone into 6 groups: Temperate cool continental (Edmonton) – temperate cool transitional (Saint-Petersburg) – temperate cool oceanic (Iceland),
Temperate warm continental (Illinois) – temperate warm transitional (Warsaw) – temperate warm oceanic (Irland); Subtropical zone into 2 groups: Subtropical dry (Iraq) and Subtropical wet (Greece); Tropical zone into 2 groups: Tropical dry (Sudan) and Tropical wet (Florida); Equatorial zone into 3 groups: Subequatorial dry (Chad), Subequatorial wet (Kongo) and Equatorial extremely wet (Singapore).

The Global environmental stratification

The Global environmental stratification (GEnS, based on statistical clustering of bioclimate data (WorldClim). GEnS consists of 125 strata, which have been aggregated into 7 broad biomes (Arctic, Boreal, Cool temperate, Warm temperate, Sub-tropical, Drylands, Tropical) and 18 global environmental zones.

Previously I used GEnS for comparing the climate in different cities.

Other types of climatic maps

Temperature and precipitation on the same map. The color shows the temperature and the more saturated the color is the more precipitation there is.

Annual mean temperature and total precipitation

Related posts:
U.S. Koppen-Geiger climate classification (2000 – 2100)

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