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Subtropics

The '''subtropics''' are the zones of the Earth immediately north and south of the tropics|tropic zone, which is bounded by the Tropic of Cancer and the Tropic of Capricorn, at latitude 23.5 ° north and south. The term 'subtropical' describes the climatic region found adjacent to the tropics, usually between 20 and 35 degrees latitude in both hemispheres, but occasionally found at slightly higher latitudes.

Trewartha's definition

According to climatologist Glenn G. Trewartha, a subtropical region should have at least eight months with a mean temperature of 10° C (50 °F) or above. His revision of Köppen climate classification assigns to such areas the letter C, while others zones encompassed in the original Köppen group C class would be considered part of group D.

John F. Griffiths' definition

The climatologist John F. Griffiths in his book ''Applied climatology'' described the subtropical zone as having a coldest month of between 6 °C (42.8 °F) and 18 °C (64.4 °F) and assigning to this group the letter B, while the original B group of Köppen taxonomy would be spread over the various temperature-based groups.

Characteristics

In subtropical climates the winters are relatively warm, but not as hot as the summer season. These climates rarely - if ever - see frost or snow, and plants such as palm, citrus and many broadleaf evergreens flourish, in contrast to the hardier deciduous and coniferous trees which dominate midlatitude climates. As one moves toward the tropical side the slight winter cool season disappears altogether, while at the polar threshold of the subtropics the winters become much cooler. Rainfall patterns vary widely throughout the subtropics including hot deserts, savannas, monsoon forests, humid forests and the warmer parts of the Mediterranean climate zone. Subtropical regions include the southern third of California (Mediterranean type), the low deserts of the Southwest USA (hot arid type), the Gulf Coast and most of Florida (humid type), the southern Mediterranean and northern Sahara, northern India (monsoon), southeast China (humid), the middle part of South America (varied), and much of Australia (varied). Example of subtropical cities and areas include:
- Russia: Sochi
- Georgia (country)|Georgia: Batumi
- Turkey: Antalya, Mersin, Rize
- Middle East: Baghdad, Islamabad, Jerusalem, Kabul, Riyadh, Tel Aviv
- Europe: Athens, Barcelona, Dubrovnik, Lisbon, Rome and Yalta
- USA: Atlanta|Atlanta, Georgia, Charleston, South Carolina, Houston|Houston, Texas, Las Vegas, Nevada, Raleigh, North Carolina, Los Angeles|Los Angeles, California, New Orleans|New Orleans, Louisiana, Orlando, Florida, Savannah, Georgia, Tucson, Arizona
- Latin America: Buenos Aires, Lima, Mexico City, Montevideo, Rio de Janiero, Santiago, São Paulo
- North Africa: Algiers, Cairo, Casablanca, Tripoli
- East Africa: Addis Ababa, Nairobi
- South Africa: Cape Town, Durban, East London, South Africa|East London
- China: Hong Kong, Macau, Shanghai
- India: Delhi
- Australia: Adelaide, Brisbane, Perth, Western Australia|Perth, Sydney
- New Zealand: Auckland

Subtropical flora

Image:Liveoak,savannah.png|Savannah, Georgia: Live oak with spanish moss. This is a typical scene in the subtropical region of the eastern USA. Image:Parque Tingui Curitiba Brasil.jpg|Curitiba: Live oak with araucarias. This is a typical scene in the subtropical region of the southern Brazil.

Related Images

- Subtropical Climate

Sources: StartLearningNow, Wikipedia | Usage license: GNU FDL

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