Oued el Melah or Wadi el Melah ( ar, وادي مالح, وادي المالح, "Salty Wadi") is an intermittent

wadi Wadi ( ar, وَادِي, wādī), alternatively ''wād'' ( ar, وَاد), North African Arabic Oued, is the Arabic term traditionally referring to a valley. In some instances, it may refer to a wet (ephemeral) riverbed that contains water onl ...

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

whose course is located on the territory of the governorates of

Gafsa Gafsa ( aeb, ڨفصة '; ar, قفصة qafṣah), originally called Capsa in Latin, is the capital of Gafsa Governorate of Tunisia. It lends its Latin name to the Mesolithic Capsian culture. With a population of 111,170, Gafsa is the ninth-la ...

and

Tozeur Tozeur ( ar, توزر, ; ber, ⵜⵓⵣⴻⵔ, Tuzər) is a city in southwest Tunisia. The city is located northwest of Chott el Djerid, in between this Chott and the smaller Chott el Gharsa. It is the capital of Tozeur Governorate. It was the ...

. Oued el Melah: Tunisia
National Geospatial-Intelligence Agency. Generally dry, except when it

rain Rain is water droplets that have condensed from atmospheric water vapor and then fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth. It provides water f ...

s, the wadi has its mouth in Chott el-Gharsa. Oued el Melah in July 2007 with the railway bridgeIt is almost a river for a series of

s in the area between

and

, forming a

waterway A waterway is any navigable body of water. Broad distinctions are useful to avoid ambiguity, and disambiguation will be of varying importance depending on the nuance of the equivalent word in other languages. A first distinction is necessary b ...

for a distance of 70

kilometer The kilometre ( SI symbol: km; or ), spelt kilometer in American English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo- being the SI prefix for ). It is now the measurement unit used for ex ...

s. The decrease in

precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail. ...

in the area means that it does not carry water any more, except in the case of rain, usually occurring during the

fall Autumn, also known as fall in American English and Canadian English, is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March ( Southe ...

and

winter Winter is the coldest season of the year in polar and temperate climates. It occurs after autumn and before spring. The tilt of Earth's axis causes seasons; winter occurs when a hemisphere is oriented away from the Sun. Different cultures ...

. The towns of

Lalla Lalla ( 720–790 CE) was an Indian mathematician, astronomer, and astrologer who belonged to a family of astronomers. Lalla was the son of Trivikrama Bhatta and the grandson of Śâmba."Lalla." Complete Dictionary of Scientific Biography. He liv ...

El Ksar El Ksar ( ar, القصر ') is a town and commune in the Gafsa Governorate, Tunisia. As of 2004 it had a population of 29,617.Guettaria are on the river.

References

International rivers of Africa Wadis of Tunisia {{Tunisia-geo-stub