Dallol, Ethiopia
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Dallol () is a locality in the Dallol woreda of northern
Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...
. Located in Kilbet Rasu,
Afar Region The Afar Region (; ; ), formerly known as Region 2, is a Regions of Ethiopia, regional state in northeastern Ethiopia and the homeland of the Afar people. Its capital is the planned city of Semera, which lies on the paved Awash, Ethiopia, Awash ...
in the Afar Depression, it has a latitude and longitude of with an elevation of about below sea level. The
Central Statistical Agency The Central Statistical Agency, also known as the Ethiopian Statistical Service (ESS; Amharic: የኢትዮጵያ ስታቲስቲክስ አገልግሎት), is an Ethiopian government agency designated to provide all surveys and censuses for that ...
has not published an estimate for the 2005 population of the village, which has been described as a
ghost town A ghost town, deserted city, extinct town, or abandoned city is an abandoned settlement, usually one that contains substantial visible remaining buildings and infrastructure such as roads. A town often becomes a ghost town because the economi ...
. Dallol currently holds the official record for record high average temperature for an inhabited location on Earth, and an average annual temperature of 35 °C (95 °F) was recorded between 1960 and 1966. Dallol is also one of the most remote places on Earth, but paved roads in the area were built in 2015. Still, the most important mode of transport besides
off-road vehicle An off-road vehicle (ORV), also known as an off-highway vehicle (OHV), overland vehicle or adventure vehicle, is a type of transportation specifically engineered to navigate unpaved roads and surfaces. These include trails, forest roads, and ...
s are the
camel A camel (from and () from Ancient Semitic: ''gāmāl'') is an even-toed ungulate in the genus ''Camelus'' that bears distinctive fatty deposits known as "humps" on its back. Camels have long been domesticated and, as livestock, they provid ...
caravans that travel to the area to collect salt. In the region is the highly active hydrothermal system of Dallol, with numerous springs, terrace systems and
fumarole A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...
s.


History

A railway from the port of Mersa Fatma in
Eritrea Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa, with its capital and largest city being Asmara. It is bordered by Ethiopia in the Eritrea–Ethiopia border, south, Sudan in the west, and Dj ...
to a point from Dallol was completed in April 1918. Built from 1917 to 1918 by using the gauge
Decauville Decauville () was a manufacturing company which was founded by Paul Decauville (1846–1922), a French pioneer in industrial railways. Decauville's major innovation was the use of ready-made sections of light, narrow-gauge track fastened to st ...
system (ready-made sections of small-gauge track that can be rapidly assembled), it transported salt from the "Iron Point" rail terminal near Dallol via Kululli to the port.


Economy

Potash Potash ( ) includes various mined and manufactured salts that contain potassium in water- soluble form.
production is said to have reached about 51,000 metric tons after the railway was constructed. Production was stopped after
World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
because of large-scale supplies from Germany, the US, and the USSR. Unsuccessful attempts to reopen production were made from 1920 to 1941. Between 1925 and 1929, an Italian company mined 25,000 tons of
sylvite Sylvite, or sylvine, is potassium chloride (KCl) in natural mineral form. It forms crystals in the isometric system very similar to normal rock salt, halite ( NaCl). The two are, in fact, isomorphous. Sylvite is colorless to white with shades ...
, averaging 70% KCl, which was transported by rail to Mersa Fatma. After
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, the British administration dismantled the railway and removed all traces of it. The Dallol Co. of
Asmara Asmara ( ), or Asmera (), is the capital and most populous city of Eritrea, in the country's Central Region (Eritrea), Central Region. It sits at an elevation of , making it the List of capital cities by altitude, sixth highest capital in the wo ...
sold a few tons of
salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...
from the site to India in 1951–1953. In the 1960s, the Parsons Company of the US, a mining company, conducted a series of geological surveys at Dallol. By 1965, about 10,000 holes had been drilled at 65 locations. Dallol became more known in the West in 2004 when it was featured in the
Channel 4 Channel 4 is a British free-to-air public broadcast television channel owned and operated by Channel Four Television Corporation. It is state-owned enterprise, publicly owned but, unlike the BBC, it receives no public funding and is funded en ...
/
National Geographic ''National Geographic'' (formerly ''The National Geographic Magazine'', sometimes branded as ''Nat Geo'') is an American monthly magazine published by National Geographic Partners. The magazine was founded in 1888 as a scholarly journal, nine ...
documentary '' Going to Extremes''. , some buildings still stand in Dallol, all built with salt blocks.


Climate

Dallol features an extreme version of a
hot desert climate The desert climate or arid climate (in the Köppen climate classification ''BWh'' and ''BWk'') is a dry climate sub-type in which there is a severe excess of evaporation over precipitation. The typically bald, rocky, or sandy surfaces in desert ...
(
Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...
''BWh'') typical of the
Danakil Desert The Danakil Desert (or Afar Desert) is a desert in northeast Ethiopia, southern Eritrea, and northwestern Djibouti. Situated in the Afar Triangle, it stretches across of Desert climate, arid terrain. It is inhabited by a few Afar people, Afar, w ...
. Dallol is the hottest place year-round on the planet and currently holds the record high average temperature for an inhabited location on Earth, where an average annual temperature of 34.6 °C (94.3 °F) was recorded between the years 1960 and 1966. The annual average high temperature is 41.2 °C (105.4 °F) and the hottest month has an average high of 46.7 °C (116.1 °F). The highest temperature ever recorded is 49 °C (121 °F). In addition to being extremely hot year-round, the climate of the lowlands of the
Danakil Depression The Danakil Depression is a large valley of approximately , across the north of the Afar Region of Ethiopia and Eritrea. It is about below sea level and is bordered to the west by the Ethiopian Plateau and to the east by the Danakil Alps, bey ...
is also extremely dry and hyperarid in terms of annual average rainy days as only a few days record measurable precipitation. The hot desert climate of Dallol is particularly hot due to the extremely low elevation, it being inside the
tropics The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...
and near the hot
Red Sea The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab-el-Mandeb Strait and the Gulf of Aden. To its north lie the Sinai Peninsula, the Gulf of Aqaba, and th ...
during winters, the very low seasonality impact, the constants of the extreme heat and the lack of nighttime cooling.


References

{{Reflist


External links


Photo gallery of Dallol
Populated places in the Afar Region Extreme points of Earth Weather extremes of Earth Ghost towns in Africa Former populated places in Ethiopia