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Geophysics
Geophysics, the study of the
earth by quantitative
physical methods, especially
by seismic reflection and
refraction, geodesy,
gravity, magnetic,
electrical, electromagnetic,
and radioactivity methods.
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Earth's atmosphere
Earth's atmosphere is a
layer of gases surrounding
the planet Earth and
retained by the Earth's
gravity. It contains roughly
78% nitrogen and 21% oxygen
0.97% argon and carbon
dioxide 0.04% trace amounts
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Planetary boundary layer
The planetary boundary layer
(PBL) is also known as the
atmospheric boundary layer
(ABL). It is the lowest part
of the atmosphere and its
behavior is directly
influenced by its contact
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Ionosphere
The ionosphere is the part
of the atmosphere that is
ionized by solar radiation.
It plays an important part
in atmospheric electricity
and forms the inner edge of
the magnetosphere. It has
practical importance
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Browse Reference Articles
1 to 10 of 473 articles
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Hadley cell
The major driving force of atmospheric circulation in the tropical regions is solar heating. Because of the Earth's 23.5 ° axial tilt, the sun is never more than a few tens of degrees from ... > more -
Atmospheric chemistry
Atmospheric chemistry is a branch of atmospheric science in which the chemistry of the Earth's atmosphere and that of other planets is studied. It is a multidisciplinary field of research and draws ... > more -
Inversion (meteorology)
A temperature inversion is a meteorological phenomenon in which air temperature increases with height for some distance above the ground, as opposed to the normal decrease in temperature with height. ... > more -
Ozone layer
The ozone layer is the part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the ... > more -
Solar radiation
Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > more -
Solar wind
A solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of a star. When originating from stars other than the Earth's Sun, it is sometimes called a ... > more -
Tropospheric ozone
Ozone (O3) is a key constituent of the troposphere. Photochemical and chemical reactions involving it drive many of the chemical processes that occur in the atmosphere by day and by night. At ... > more -
Atmospheric circulation
Atmospheric circulation is the large-scale movement of air by which heat is distributed on the surface of the Earth. The wind belts and the jet streams girdling the planet are steered by three ... > more -
Jet stream
Jet streams are fast flowing, relatively narrow air currents found in the atmosphere at around 12 km above the surface of the Earth, just under the tropopause. They form at the boundaries of adjacent ... > more
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