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Orbital forcing

Index Orbital forcing

Orbital forcing is the effect on climate of slow changes in the tilt of the Earth's axis and shape of the orbit (see Milankovitch cycles). [1]

21 relations: Antarctica, Arctic ice pack, Asia, Axial precession, Climate, Climate of the Arctic, Earth, Eemian, Equinox, Era (geology), Europe, Greenland, Ice age, Milankovitch cycles, North America, Orbit, Plate reconstruction, Plate tectonics, Positive feedback, Solstice, 100,000-year problem.

Antarctica

Antarctica is Earth's southernmost continent.

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Arctic ice pack

The Arctic ice pack is the ice cover of the Arctic Ocean and its vicinity.

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Asia

Asia is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.

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Axial precession

In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis.

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Climate

Climate is the statistics of weather over long periods of time.

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Climate of the Arctic

The climate of the Arctic is characterized by long, cold winters and short, cool summers.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Eemian

The Eemian (also called the last interglacial, Sangamonian, Ipswichian, Mikulin, Kaydaky, Valdivia or Riss-Würm) was the interglacial period which began about 130,000 years ago and ended about 115,000 years ago.

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Equinox

An equinox is commonly regarded as the moment the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 22-23 September.

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Era (geology)

A geologic era is a subdivision of geologic time that divides an eon into smaller units of time.

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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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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Ice age

An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.

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Milankovitch cycles

Milankovitch cycles describe the collective effects of changes in the Earth's movements on its climate over thousands of years.

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North America

North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.

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Orbit

In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.

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Plate reconstruction

Plate reconstruction is the process of reconstructing the positions of tectonic plates relative to each other (relative motion) or to other reference frames, such as the earth's magnetic field or groups of hotspots, in the geological past.

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Plate tectonics

Plate tectonics (from the Late Latin tectonicus, from the τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago.

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Positive feedback

Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation.

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Solstice

A solstice is an event occurring when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.

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100,000-year problem

The 100,000-year problem ("100 ky problem", "100 ka problem") of the Milankovitch theory of orbital forcing refers to a discrepancy between the reconstructed geologic temperature record and the reconstructed amount of incoming solar radiation, or insolation over the past 800,000 years.

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Redirects here:

Astronomical forcing, Milankovitch Forcing.

References

[1] https://en.wikipedia.org/wiki/Orbital_forcing

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