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8.2 kiloyear event

Index 8.2 kiloyear event

In climatology, the 8.2-kiloyear event was a sudden decrease in global temperatures that occurred approximately 8,200 years before the present, or c. 6,200 BC, and which lasted for the next two to four centuries. [1]

55 relations: Abrupt climate change, Andrew Marshall (foreign policy strategist), Antarctic Cold Reversal, Antarctica, Aridification, Atlantic Ocean, Before Present, Bond event, Channeled Scablands, Climate oscillation, Climatology, Columbia River, Common Era, Coral reef, Drought, East Africa, Fortune (magazine), Glacial lake, Greenland, Heinrich Zöllner, Holocene climatic optimum, Hudson Bay, Ice core, Indonesia, Lake Agassiz, Lake Ojibway, Laurentide Ice Sheet, Little Ice Age, Mesopotamia, Methane, Mississippi Delta, Missoula Floods, Nature (journal), North Africa, Norway, Office of Net Assessment, Older Peron, Piora Oscillation, Proceedings of the National Academy of Sciences of the United States of America, Sahara pump theory, Science (journal), Sea level, Sea level rise, Sediment, Shutdown of thermohaline circulation, Storegga Slide, Switzerland, Tell Sabi Abyad, Thermohaline circulation, United States Department of Defense, ..., Val Mesolcina, Western Asia, Younger Dryas, 4.2 kiloyear event, 5.9 kiloyear event. Expand index (5 more) »

Abrupt climate change

An abrupt climate change occurs when the climate system is forced to transition to a new climate state at a rate that is determined by the climate system energy-balance, and which is more rapid than the rate of change of the external forcing.

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Andrew Marshall (foreign policy strategist)

Andrew W. Marshall (born September 13, 1921) is an American foreign policy strategist who served as director of the United States Department of Defense's Office of Net Assessment from 1973 to 2015.

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Antarctic Cold Reversal

The Antarctic Cold Reversal (ACR) was an important episode of cooling in the climate history of the Earth during the deglaciation at the close of the last ice age.

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Antarctica

Antarctica is Earth's southernmost continent.

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Aridification

Aridification is the process of a region becoming increasingly dry.

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Atlantic Ocean

The Atlantic Ocean is the second largest of the world's oceans with a total area of about.

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Before Present

Before Present (BP) years is a time scale used mainly in geology and other scientific disciplines to specify when events occurred in the past.

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Bond event

Bond events are North Atlantic ice rafting events that are tentatively linked to climate fluctuations in the Holocene.

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Channeled Scablands

The Channeled Scablands are a relatively barren and soil-free region of interconnected relict and dry flood channels, coulees and cataracts eroded through Palouse loess and into typically flat-lying basalt flows by cataclysmic floods within eastern part of the U.S. state of Washington.

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Climate oscillation

A climate oscillation or climate cycle is any recurring cyclical oscillation within global or regional climate, and is a type of climate pattern.

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Climatology

Climatology (from Greek κλίμα, klima, "place, zone"; and -λογία, -logia) or climate science is the scientific study of climate, scientifically defined as weather conditions averaged over a period of time.

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Columbia River

The Columbia River is the largest river in the Pacific Northwest region of North America.

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Common Era

Common Era or Current Era (CE) is one of the notation systems for the world's most widely used calendar era – an alternative to the Dionysian AD and BC system.

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Coral reef

Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals.

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Drought

A drought is a period of below-average precipitation in a given region, resulting in prolonged shortages in the water supply, whether atmospheric, surface water or ground water.

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East Africa

East Africa or Eastern Africa is the eastern region of the African continent, variably defined by geography.

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Fortune (magazine)

Fortune is an American multinational business magazine headquartered in New York City, United States.

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Glacial lake

A glacial lake is a lake with origins in a melted glacier.

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Greenland

Greenland (Kalaallit Nunaat,; Grønland) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.

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Heinrich Zöllner

Heinrich Zöllner (July 4, 1854 – Freiburg, May 8, 1941) was a German composer and conductor.

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Holocene climatic optimum

The Holocene Climate Optimum (HCO) was a warm period during roughly the interval 9,000 to 5,000 years BP.

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Hudson Bay

Hudson Bay (Inuktitut: Kangiqsualuk ilua, baie d'Hudson) (sometimes called Hudson's Bay, usually historically) is a large body of saltwater in northeastern Canada with a surface area of.

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Ice core

An ice core is a core sample that is typically removed from an ice sheet or a high mountain glacier.

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Indonesia

Indonesia (or; Indonesian), officially the Republic of Indonesia (Republik Indonesia), is a transcontinental unitary sovereign state located mainly in Southeast Asia, with some territories in Oceania.

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Lake Agassiz

Lake Agassiz was a very large glacial lake in central North America.

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Lake Ojibway

Lake Ojibway was a prehistoric lake in what is now northern Ontario and Quebec in Canada.

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Laurentide Ice Sheet

The Laurentide Ice Sheet was a massive sheet of ice that covered millions of square kilometers, including most of Canada and a large portion of the northern United States, multiple times during the Quaternary glacial epochs— from 2.588 ± 0.005 million years ago to the present.

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Little Ice Age

The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period.

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Mesopotamia

Mesopotamia is a historical region in West Asia situated within the Tigris–Euphrates river system, in modern days roughly corresponding to most of Iraq, Kuwait, parts of Northern Saudi Arabia, the eastern parts of Syria, Southeastern Turkey, and regions along the Turkish–Syrian and Iran–Iraq borders.

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Methane

Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).

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Mississippi Delta

The Mississippi Delta, also known as the Yazoo-Mississippi Delta, is the distinctive northwest section of the U.S. state of Mississippi (and small portions of Arkansas and Louisiana) which lies between the Mississippi and Yazoo Rivers.

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Missoula Floods

The Missoula Floods (also known as the Spokane Floods or the Bretz Floods) refer to the cataclysmic floods that swept periodically across eastern Washington and down the Columbia River Gorge at the end of the last ice age.

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Nature (journal)

Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.

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North Africa

North Africa is a collective term for a group of Mediterranean countries and territories situated in the northern-most region of the African continent.

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Norway

Norway (Norwegian: (Bokmål) or (Nynorsk); Norga), officially the Kingdom of Norway, is a unitary sovereign state whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard.

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Office of Net Assessment

The United States Department of Defense's Office of Net Assessment (ONA) was created in 1973 by Richard Nixon to serve as the Pentagon's "internal think tank" that "looks 20 to 30 years into the military's future, often with the assistance of outside contractors, and produces reports on the results of its research".

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Older Peron

The Older Peron was the name for a period identified in 1961 as an episode of a global sea-level (i.e. eustatic) high-stand during the Holocene Epoch.

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Piora Oscillation

The Piora Oscillation was an abrupt cold and wet period in the climate history of the Holocene Epoch; it is generally dated to the period of c. 3200 to 2900 BCE.

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Proceedings of the National Academy of Sciences of the United States of America

Proceedings of the National Academy of Sciences of the United States of America (PNAS) is the official scientific journal of the National Academy of Sciences, published since 1915.

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Sahara pump theory

The Sahara pump theory is a hypothesis that explains how flora and fauna migrated between Eurasia and Africa via a land bridge in the Levant region.

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Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

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Sea level

Mean sea level (MSL) (often shortened to sea level) is an average level of the surface of one or more of Earth's oceans from which heights such as elevations may be measured.

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Sea level rise

A sea level rise is an increase in global mean sea level as a result of an increase in the volume of water in the world’s oceans.

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Sediment

Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.

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Shutdown of thermohaline circulation

A shutdown or slowdown of the thermohaline circulation is an effect of global warming on a major ocean circulation.

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Storegga Slide

The three Storegga Slides are considered to be amongst the largest known landslides.

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Switzerland

Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.

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Tell Sabi Abyad

Tell Sabi Abyad (تل صبي أبيض) is an archaeological site in the Balikh River valley in northern Syria.

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Thermohaline circulation

Thermohaline circulation (THC) is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes.

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United States Department of Defense

The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.

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Val Mesolcina

The Val Mesolcina, also known as the Valle Mesolcina or Misox, is an alpine valley of the Grisons, Switzerland, stretching from the San Bernardino Pass to Grono where it joins the Calanca Valley.

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Western Asia

Western Asia, West Asia, Southwestern Asia or Southwest Asia is the westernmost subregion of Asia.

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Younger Dryas

The Younger Dryas (c. 12,900 to c. 11,700 years BP) was a return to glacial conditions which temporarily reversed the gradual climatic warming after the Last Glacial Maximum started receding around 20,000 BP.

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4.2 kiloyear event

The 4.2-kiloyear BP aridification event was one of the most severe climatic events of the Holocene period.

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5.9 kiloyear event

A satellite image of the Sahara. The Congolese rainforests lie to its south. The 5.9-kiloyear event was one of the most intense aridification events during the Holocene.

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Redirects here:

6200 BC event, 8,200 year event, 8.2 ka event, 8.2ka event, 8.2kyr event, 8200 year event, Finse event, Misox Oscillation, Misox oscillation.

References

[1] https://en.wikipedia.org/wiki/8.2_kiloyear_event

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