Dallol Bosso
Encyclopedia
The Dallol Bosso is one of two major seasonal river valleys in southwest Niger
. The Dallol Bosso valley runs from the Azaouad
area in the Sahara
west and south through the Dosso Region where it reaches the Niger River
valley.
or the Hausa
Kori
: an ancient river valley which carries surface water in the rainy season, but maintains subsurface water at other times, making it a magnet for human habitation. It has historically been a center of the Djerma people of Niger. Its sections are known by a number of local names, including Dallol Boboy near its mouth and Dallol Azawak in its northern sections.
, contracting and feeding a handful of valleys which once carried ancient tributaries of the Niger. Dallol Bosso runs some 300 km, ranging in between 5 and 15 km across. Its western escarpment runs along a geological fault near where it reaches the Niger.
Niger
Niger , officially named the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east...
. The Dallol Bosso valley runs from the Azaouad
Azaouad
Azaouad, Azawad, or Azawagh is the collective non-officially recognized name for the main Tamashek-speaking parts of northern Mali, northern Niger, and part of southern Algeria. Azawad is mainly made up of Sahelian and Saharan vast flat lands inhabited by Tuareg nomads...
area in the Sahara
Sahara
The Sahara is the world's second largest desert, after Antarctica. At over , it covers most of Northern Africa, making it almost as large as Europe or the United States. The Sahara stretches from the Red Sea, including parts of the Mediterranean coasts, to the outskirts of the Atlantic Ocean...
west and south through the Dosso Region where it reaches the Niger River
Niger River
The Niger River is the principal river of western Africa, extending about . Its drainage basin is in area. Its source is in the Guinea Highlands in southeastern Guinea...
valley.
Human habitation
Dallol is the Djerma language equivalent of the Arabic WadiWadi
Wadi is the Arabic term traditionally referring to a valley. In some cases, it may refer to a dry riverbed that contains water only during times of heavy rain or simply an intermittent stream.-Variant names:...
or the Hausa
Hausa language
Hausa is the Chadic language with the largest number of speakers, spoken as a first language by about 25 million people, and as a second language by about 18 million more, an approximate total of 43 million people...
Kori
Kori
Kori may refer to:* Kori, Central African Republic* Kōri, Fukushima, a town in Japan* Kori one of the scheduled castes of India* Kori or kouri, the Hausa language term for a wadi* Kōri, a possible Japanese reading of Goryeo, a dynasty in Korea...
: an ancient river valley which carries surface water in the rainy season, but maintains subsurface water at other times, making it a magnet for human habitation. It has historically been a center of the Djerma people of Niger. Its sections are known by a number of local names, including Dallol Boboy near its mouth and Dallol Azawak in its northern sections.
Course
The valley spreads out as the Azaouad depression on the western shadow of the Air MountainsAïr Mountains
The Aïr Mountains is a triangular massif, located in northern Niger, within the Sahara desert...
, contracting and feeding a handful of valleys which once carried ancient tributaries of the Niger. Dallol Bosso runs some 300 km, ranging in between 5 and 15 km across. Its western escarpment runs along a geological fault near where it reaches the Niger.