An endorheic lake (also called a sink lake or terminal lake) is a collection of water within an

endorheic basin An endorheic basin ( ; also endoreic basin and endorreic basin) is a drainage basin that normally retains water and allows no outflow to other external bodies of water (e.g. rivers and oceans); instead, the water drainage flows into permanent ...

, or sink, with no evident outlet. Endorheic lakes are generally

saline Saline may refer to: Salt-related * Saline (medicine), a liquid with salt content to match the human body * Saline water, non-medicinal salt water * Saline, a historical term (especially American) for a salt works or saltern Places United States ...

as a result of being unable to get rid of

solute In chemistry, a solution is defined by IUPAC as "A liquid or solid phase containing more than one substance, when for convenience one (or more) substance, which is called the solvent, is treated differently from the other substances, which are ...

s left in the lake by

evaporation Evaporation is a type of vaporization that occurs on the Interface (chemistry), surface of a liquid as it changes into the gas phase. A high concentration of the evaporating substance in the surrounding gas significantly slows down evapora ...

. These lakes can be used as indicators of

anthropogenic Anthropogenic ("human" + "generating") is an adjective that may refer to: * Anthropogeny, the study of the origins of humanity Anthropogenic may also refer to things that have been generated by humans, as follows: * Human impact on the enviro ...

change, such as

irrigation Irrigation (also referred to as watering of plants) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has bee ...

climate change Present-day climate change includes both global warming—the ongoing increase in Global surface temperature, global average temperature—and its wider effects on Earth's climate system. Climate variability and change, Climate change in ...

, in the areas surrounding them. Lakes with subsurface drainage are called ''cryptorheic''.

Components of endorheic lakes

The two main ways that endorheic lakes accumulate water are through river flow into the lake (discharge) and

precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull. The main forms of precipitation include drizzle, rain, rain and snow mixed ("sleet" in Commonwe ...

falling into the lake. The collected water of the lake, instead of discharging, can only be lost due to either

evapotranspiration Evapotranspiration (ET) refers to the combined processes which move water from the Earth's surface (open water and ice surfaces, bare soil and vegetation) into the Atmosphere of Earth, atmosphere. It covers both water evaporation (movement of w ...

percolation In physics, chemistry, and materials science, percolation () refers to the movement and filtration, filtering of fluids through porous materials. It is described by Darcy's law. Broader applications have since been developed that cover connecti ...

(water sinking underground, e.g., to become

groundwater Groundwater is the water present beneath Earth's surface in rock and Pore space in soil, soil pore spaces and in the fractures of stratum, rock formations. About 30 percent of all readily available fresh water in the world is groundwater. A unit ...

in an

aquifer An aquifer is an underground layer of water-bearing material, consisting of permeability (Earth sciences), permeable or fractured rock, or of unconsolidated materials (gravel, sand, or silt). Aquifers vary greatly in their characteristics. The s ...

). Because of this lack of an outlet, endorheic lakes are mostly salt water rather than fresh water. The salinity in the lake gradually builds up through years as water evaporates and leaves its solutes behind.

Similar types of lakes

Depending on water losses, precipitation, and

inflow Inflow may refer to: * Inflow (hydrology), the water entering a body of water * Inflow (meteorology) Inflow is the flow of a fluid into a large collection of that fluid. Within meteorology, inflow normally refers to the influx of warmth and mo ...

(e.g., a spring, a tributary, or flooding), the temporal result of a lake in a sink may change. The lake could be a persistent

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

, an

intermittent lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from t ...

, a playa lake (temporarily covered with water), or an

ephemeral Ephemerality (from the Greek word , meaning 'lasting only one day') is the concept of things being transitory, existing only briefly. Academically, the term ephemeral constitutionally describes a diverse assortment of things and experiences, fr ...

lake, which completely disappears (e. g. by evaporation) before reappearing in wetter seasons. These terms (playa, ephemeral lake, etc.) are sometimes used interchangeably, but there has been activity tending towards defining meanings for each term. This change would mean less confusion over the designations of different types of endorheic lakes.

Anthropogenic effects

Many endorheic lakes exist in

arid Aridity is the condition of geographical regions which make up approximately 43% of total global available land area, characterized by low annual precipitation, increased temperatures, and limited water availability.Perez-Aguilar, L. Y., Plata ...

semi-arid A semi-arid climate, semi-desert climate, or steppe climate is a aridity, dry climate sub-type. It is located on regions that receive precipitation below Evapotranspiration#Potential evapotranspiration, potential evapotranspiration, but not as l ...

climates. Because these climates have limited rainfall, but also a high possibility of evaporation, endorheic lakes in these regions often experience flux in their water levels. This flux can be aggravated by

intrusions (e.g.

global warming Present-day climate change includes both global warming—the ongoing increase in global average temperature—and its wider effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes ...

Central Asia Central Asia is a region of Asia consisting of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The countries as a group are also colloquially referred to as the "-stans" as all have names ending with the Persian language, Pers ...

, a large percentage of water for farming comes from surface water, like endorheic lakes, rather than precipitation. Because of the overall lack of precipitation, farming in this area can only be sustained by irrigation. Massive amounts of irrigation in agrarian Central Asia have led to the reduction in size of endorheic lakes. The

Aral Sea The Aral Sea () was an endorheic lake lying between Kazakhstan to its north and Uzbekistan to its south, which began shrinking in the 1960s and had largely dried up into desert by the 2010s. It was in the Aktobe and Kyzylorda regions of Kazakhst ...

was once the second largest endorheic lake in the world, but

anthropogenic effects Human impact on the environment (or anthropogenic environmental impact) refers to changes to biophysical environments and to ecosystems, biodiversity, and natural resources caused directly or indirectly by humans. Modifying the environment to ...

such as bad irrigation practices have led to this lake's drastic decrease in size and turn into a

desert A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the la ...

named the

Aralkum Desert The Aralkum Desert ( Uzbek: Orolqum choʻli, Оролқум чўли, Kazakh: Аралқұм шөлі, Russian: Пустыня Аралкум) is a desert that has appeared since 1960 on the seabed once occupied by the Aral Sea. It lies to the ...

. Endorheic lakes, because of the closed nature of their systems, are sensitive to new conditions. Records of previous environmental change are preserved in lake sediments in endorheic lakes that are being affected by

; these natural records can give information about past climates and conditions of the lake. Research on these lake sediments could lead to these lakes becoming archives of the

effects of climate change Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an Instrumental temperature record, overall warming trend, Effects of climate change on the ...

. There is early evidence that in regions affected by irrigation the majority of endorheic lake area may have already been lost.

List of endorheic lakes

Africa

Afar Depression The Afar Triangle (also called the Afar Depression) is a geological depression caused by the Afar triple junction, which is part of the Great Rift Valley in East Africa. The region has disclosed fossil specimens of the very earliest hominins; ...

(

Great Rift Valley The Great Rift Valley () is a series of contiguous geographic depressions, approximately 6,000 or in total length, the definition varying between sources, that runs from the southern Turkish Hatay Province in Asia, through the Red Sea, to Moz ...

East Africa East Africa, also known as Eastern Africa or the East of Africa, is a region at the eastern edge of the Africa, African continent, distinguished by its unique geographical, historical, and cultural landscape. Defined in varying scopes, the regi ...

) *

Lake Chad Lake Chad (, Kanuri language, Kanuri: ''Sádǝ'', ) is an endorheic freshwater lake located at the junction of four countries: Nigeria, Niger, Chad, and Cameroon, in western and central Africa respectively, with a catchment area in excess of . ...

(

Central Africa Central Africa (French language, French: ''Afrique centrale''; Spanish language, Spanish: ''África central''; Portuguese language, Portuguese: ''África Central'') is a subregion of the African continent comprising various countries accordin ...

) *

Lake Rukwa Lake Rukwa is an endorheic lake located in the Rukwa Valley of Rukwa Region, Songwe Region and Katavi Region in southwestern Tanzania. The lake is the third largest inland body of water in the country. Geography The alkaline Lake Rukwa lies ...

(

)

Asia

(

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...

;

Uzbekistan , image_flag = Flag of Uzbekistan.svg , image_coat = Emblem of Uzbekistan.svg , symbol_type = Emblem of Uzbekistan, Emblem , national_anthem = "State Anthem of Uzbekistan, State Anthem of the Republ ...

) *

Caspian Sea The Caspian Sea is the world's largest inland body of water, described as the List of lakes by area, world's largest lake and usually referred to as a full-fledged sea. An endorheic basin, it lies between Europe and Asia: east of the Caucasus, ...

(

Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

;

Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...

;

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

; Kazakhstan;

Turkmenistan Turkmenistan is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ash ...

) *

Dead Sea The Dead Sea (; or ; ), also known by #Names, other names, is a landlocked salt lake bordered by Jordan to the east, the Israeli-occupied West Bank to the west and Israel to the southwest. It lies in the endorheic basin of the Jordan Rift Valle ...

(

Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...

;

Jordan Jordan, officially the Hashemite Kingdom of Jordan, is a country in the Southern Levant region of West Asia. Jordan is bordered by Syria to the north, Iraq to the east, Saudi Arabia to the south, and Israel and the occupied Palestinian ter ...

;

West Bank The West Bank is located on the western bank of the Jordan River and is the larger of the two Palestinian territories (the other being the Gaza Strip) that make up the State of Palestine. A landlocked territory near the coast of the Mediter ...

) *

Gavkhouni Gavkhouni () also written as ''Batlaq-e-Gavkhuni'', located in the Iranian Plateau in central Iran, east of the city of Isfahan, is the terminal basin of the Zayandeh River. Gavkhouni is a salt marsh with a salinity of 31.5% and an average dept ...

(

Isfahan Isfahan or Esfahan ( ) is a city in the Central District (Isfahan County), Central District of Isfahan County, Isfahan province, Iran. It is the capital of the province, the county, and the district. It is located south of Tehran. The city ...

, Iran) *

Hamun-e Jaz Murian Hamun-e Jaz Murian () is an inland basin or depression in southeast Iran, straddling the provinces of Kerman and Sistan-Baluchistan. The area of Hamoon and Jazmourian basin stretches to 69,600 square kilometers, with the western part of 35,600 ...

(

Kerman Kerman (; ) is a city in the Central District (Kerman County), Central District of Kerman County, Kerman province, Kerman province, Iran, serving as capital of the province, the county, and the district. History Kerman was founded as a def ...

and Sistan and Baluchistan, Iran) *

Hamun Lake Lake Hāmūn (, ''Daryāche-ye Hāmūn''; ), or the Hamoun Oasis, is a seasonal lake and wetlands in the endorheic Sīstān Basin in the Sistan region on the Afghanistan–Iran border. In Iran, it is also known as ''Hāmūn-e Helmand'', ''Hām� ...

(Iran) *

Lake Urmia Lake Urmia is an endorheic salt lake in Iran. The lake is located between the provinces of East Azerbaijan and West Azerbaijan in Iran, and west of the southern portion of the Caspian Sea. At its greatest extent, it was the largest lake in th ...

(

West Azerbaijan province West Azerbaijan province () is one of the 31 provinces of Iran, whose capital and largest city is Urmia. It is in the northwest of the country, bordered by Turkey ( Ağrı, Hakkâri, Iğdır and Van Provinces), Iraq ( Erbil and Sula ...

, Iran) *

Lake Van Lake Van (; ; ) is the largest lake in Turkey. It lies in the Eastern Anatolia Region of Turkey in the provinces of Van Province, Van and Bitlis Province, Bitlis, in the Armenian highlands. It is a Salt lake, saline Soda lake, soda lake, receiv ...

(

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

) * Maharloo Lake (

Fars province Fars Province or Pars Province, also known as Persis or Farsistan (فارسستان), is one of the 31 provinces of Iran. Its capital is the city of Shiraz. Pars province has an area of 122,400 km2 and is located in Iran's southwest, i ...

, Iran) *

Namak Lake Namak Lake (, i.e., ''salt lake'') is a salt lake in Iran. It is located approximately east of the city of Qom and of Aran va bidgol at an elevation of above sea level. The lake is a remnant of the Paratethys sea, which started to dry up fro ...

(

Qom Qom (; ) is a city in the Central District of Qom County, Qom province, Iran, serving as capital of the province, the county, and the district. It is the seventh largest metropolis and also the seventh largest city in Iran. The city is ...

, Iran) *

Qarhan Playa The Qarhan Playa or also misleadingly described as , is a playa in the Golmud and Dulan counties of Haixi Prefecture, Qinghai, China. Formerly a single unitary lake, it is now an expansive salt flat divided into four greater sections ( Dab ...

(

Qinghai Qinghai is an inland Provinces of China, province in Northwestern China. It is the largest provinces of China, province of China (excluding autonomous regions) by area and has the third smallest population. Its capital and largest city is Xin ...

, China) * Shalkar (Kazakhstan) *

Pangong Tso Pangong Tso or Pangong Lake (; zh, s=班公错, p=Bān gōng cuò; ) is an endorheic lake spanning eastern Ladakh and Ngari Prefecture, West Tibet situated at an elevation of . It is long and divided into five sublakes, called ''Pangong Tso' ...

(

Ladakh Ladakh () is a region administered by India as a union territory and constitutes an eastern portion of the larger Kashmir region that has been the subject of a Kashmir#Kashmir dispute, dispute between India and Pakistan since 1947 and India an ...

, India;

Tibet Tibet (; ''Böd''; ), or Greater Tibet, is a region in the western part of East Asia, covering much of the Tibetan Plateau and spanning about . It is the homeland of the Tibetan people. Also resident on the plateau are other ethnic groups s ...

, China)

Australia

Kumpupintil Lake Kumpupintil Lake (), formerly known as Lake Disappointment, is an endorheic salt lake located in the Little Sandy Desert, east of the Pilbara region of Western Australia. Description Kumpupintil Lake is about long and located east of Newman. ...

(

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

) *

Lake Eyre Lake Eyre ( ), officially known as Kati Thanda–Lake Eyre, is an endorheic lake in the east-central part of the Far North (South Australia), Far North region of South Australia, some 700 km (435 mi) north of Adelaide. It is the larg ...

(

South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part of Australia. With a total land area of , it is the fourth-largest of Australia's states and territories by area, which in ...

) * Lake George (

New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...

)

North America

Carson Sink Carson Sink is a playa in the northeastern portion of the Carson Desert in present-day Nevada, United States of America, that was formerly the terminus of the Carson River. Today the sink is fed by drainage canals of the Truckee-Carson Irriga ...

(

Churchill County, Nevada Churchill County is a county in the western U.S. state of Nevada. As of the 2020 census, the population was 25,516. Its county seat is Fallon. Named for Mexican–American War hero brevet Brigadier General Sylvester Churchill, the county wa ...

, U.S.) * Devils Lake (

North Dakota North Dakota ( ) is a U.S. state in the Upper Midwest, named after the indigenous Dakota people, Dakota and Sioux peoples. It is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minneso ...

, U.S.) * Devil's Lake (

Wisconsin Wisconsin ( ) is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michig ...

, U.S.) *

Lake Enriquillo Lake Enriquillo () is a hypersaline lake in the Dominican Republic located in the southwestern region of the country. Its waters are shared between the provinces of Baoruco Province, Bahoruco and Independencia Province, Independencia, the latter ...

(

Dominican Republic The Dominican Republic is a country located on the island of Hispaniola in the Greater Antilles of the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean. It shares a Maritime boundary, maritime border with Puerto Rico to the east and ...

) * Etang Saumâtre (

Haiti Haiti, officially the Republic of Haiti, is a country on the island of Hispaniola in the Caribbean Sea, east of Cuba and Jamaica, and south of the Bahamas. It occupies the western three-eighths of the island, which it shares with the Dominican ...

) *

Great Salt Lake The Great Salt Lake is the largest saltwater lake in the Western Hemisphere and the eighth-largest terminal lake in the world. It lies in the northern part of the U.S. state of Utah and has a substantial impact upon the local climate, partic ...

(

Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

, U.S.) *

Humboldt Sink The Humboldt Sink is an intermittent dry lake bed, approximately 11 mi (18 km) long, and 4 mi (6 km) across, in northwestern Nevada in the United States. The body of water in the sink is known as Humboldt Lake. The sink and i ...

(northwestern

Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...

, U.S.) *

Owens Lake Owens Lake is a dry lake in the Owens Valley on the eastern side of the Sierra Nevada in Inyo County, California. It is about south of Lone Pine. Unlike most dry lakes in the Basin and Range Province that have been dry for thousands of years, ...

(

Eastern Sierra The Eastern Sierra is a region in California comprising the eastern side of the Sierra Nevada, which includes all of Mono and Inyo Counties and portions of other adjoining counties. The main thoroughfare is U.S. Route 395, which passes throug ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, U.S.) * Pyramid Lake (western Nevada, U.S.) * Quinn River Sink (northwestern Nevada, U.S.) *

Salton Sink The Salton Sink is the low point of an endorheic basin, a closed drainage system with no outflows to other bodies of water, in the Colorado Desert sub-region of the Sonoran Desert. The sink falls within the larger Salton Trough and separates ...

(southern

, U.S.) * Eagle Lake (

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

) * Choelquoit Lake (British Columbia, Canada) * Martin Lake (British Columbia, Canada) * Manitou Lake (Saskatchewan, Canada) *

Lake Xochimilco Lake Xochimilco (; , ) is an ancient endorheic lake, located in the present-day Borough of Xochimilco in southern Mexico City. It is the last remaining habitat of the axolotl. The lake is within the Valley of Mexico hydrological basin, in ...

(

Mexico City Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and finan ...

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

)

References

{{Reflist Endorheic basins Depressions (geology) Hydrology Geography terminology

Components of endorheic lakes

Similar types of lakes

Anthropogenic effects

List of endorheic lakes

Africa

Asia

Australia

North America

See also

References