Climate of Burkina Faso



Burkina Faso (formerly Upper Volta) is a landlocked Sahel country that shares borders with six nations. It lies between the Sahara Desert and the Gulf of Guinea, south of the loop of the Niger River, mostly between latitudes 9° and 15°N (a small area is north of 15°), and longitudes 6°W and 3°E. The land is green in the south, with forests and fruit trees, and desert in the north. Most of central Burkina Faso lies on a savanna plateau, 198–305 metres (650–1,001 ft) above sea level, with fields, brush, and scattered trees. Burkina Faso's game preserves—the most important of which are Arly, Nazinga, and W National Park—contain lions, elephants, hippopotamus, monkeys, warthogs, and antelopes. Previously the endangered Painted Hunting Dog, Lycaon pictus occurred in Burkina Faso, but, although last sightings were made in Arli National Park,[1] the species is considered extirpated in Burkina Faso. Tourism is not well developed.

Area

Burkina Faso has a total area of 274,200 km², of which 273,800 km² is land and 400 km² water. Comparatively, it is slightly larger than the US state of Colorado. Its borders total 3,193 km: Benin 306 km, Côte d'Ivoire 584 km, Ghana 549 km, Mali 1,000 km, Niger 628 km, and Togo 126 km. It has no coastline or maritime claims.

Extreme points

This is a list of the extreme points of Burkina Faso, the points that are farther north, south, east or west than any other location.

  • Northernmost point – unnamed location on the border with Benin immediately south of the Burkina Faso-Benin-Niger tripoint, Sahel Region
  • Easternmost point – unnamed location on the border with Niger, Est Region
  • Southernmost point – unnamed location on the border with Cote d'Ivoire immediately south of the village of Kpuere, Sud-Ouest Region
  • Westernmost point - the tripoint with Mali and Cote d'Ivoire, Cascades Region

Climate

Burkina Faso has a primarily tropical climate with two very distinct seasons. In the rainy season, the country receives between 600 and 900 millimetres (23.6 and 35.4 in) of rainfall; in the dry season, the harmattan – a hot dry wind from the Sahara – blows. The rainy season lasts approximately four months, May/June to September, and is shorter in the north of the country. Three climatic zones can be defined: the Sahel, the Sudan-Sahel, and the Sudan-Guinea. The Sahel in the north typically receives less than 600 millimeters (23.6 in) [13] of rainfall per year and has high temperatures, 5–47 degrees Celsius (41–116.6 °F).

A relatively dry tropical savanna, the Sahel extends beyond the borders of Burkina Faso, from the Horn of Africa to the Atlantic Ocean, and borders the Sahara to its north and the fertile region of the Sudan to the South. Situated between 11°3' and 13°5' north latitude, the Sudan-Sahel region is a transitional zone with regards to rainfall and temperature. Further to the south, the Sudan-Guinea zone receives more than 900 millimeters (35.4 in)[13] of rain each year and has cooler average temperatures.

Terrain

It is made up of two major types of countryside. The larger part of the country is covered by a peneplain, which forms a gently undulating landscape with, in some areas, a few isolated hills, the last vestiges of a Precambrian massif. The southwest of the country, on the other hand, forms a sandstone massif, where the highest peak, Ténakourou, is found at an elevation of 749 metres (2,457 ft). The massif is bordered by sheer cliffs up to 150 meters (492 ft) high. The average altitude of Burkina Faso is 400 meters (1,312 ft) and the difference between the highest and lowest terrain is no greater than 600 metres (1,969 ft). Burkina Faso is therefore a relatively flat country. Its elevation extremes are a lowest point at the Mouhoun (Black Volta) River (200 m) and highest point at Tena Kourou (749 m).

Hydrography

The country owes its former name of Upper Volta to three rivers which cross it: the Black Volta (or Mouhoun), the White Volta (Nakambé) and the Red Volta (Nazinon). The Black Volta is one of the country's only two rivers which flow year-round, the other being the Komoé, which flows to the southwest. The basin of the Niger River also drains 27% of the country's surface.

The Niger's tributaries – the Béli, the Gorouol, the Goudébo and the Dargol – are seasonal streams and flow for only four to six months a year. They still, however, can cause large floods. The country also contains numerous lakes – the principal ones are Tingrela, Bam and Dem. The country contains large ponds, as well, such as Oursi, Béli, Yomboli and Markoye. Water shortages are often a problem, especially in the north of the country.

Resources and environment

Burkina Faso's natural resources include manganese, limestone, marble, phosphates, pumice, salt and small deposits of gold. 17.7% of its land is arable, and 0.22% has permanent crops as of 2005. As of 2003, 250 km² were irrigated. Its total renewable water resources as of 2001 were 17.5 m³, with a total freshwater withdrawal of 0.8 km³/yr (13% domestic, 1% industrial, 86% agricultural; this amounts to a per-capita withdrawal of 60 m³/yr.

Burkina Faso's fauna and flora are protected in two national parks and several reserves: see List of national parks in Africa, Nature reserves of Burkina Faso.

Recurring droughts and floods are a significant natural hazard.[2] Current environmental issues include: recent droughts and desertification severely affecting agricultural activities, population distribution, and the economy; overgrazing; soil degradation; deforestation.

Burkina Faso is party to the following international environmental agreements: Biodiversity, Climate Change, Desertification, Endangered Species, Hazardous Wastes, Marine Life Conservation, Ozone Layer Protection, Wetlands. It has signed, but not ratified, the Law of the Sea and the Nuclear Test Ban.

See also

Line note references

 This article incorporates public domain material from websites or documents of the CIA World Factbook.

External links

  • Soil Maps of Burkina Faso European Digital Archive on the Soil Maps of the world
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