QUE SIGNIFIE ISOCHASM EN ANGLAIS
définition de isochasm dans le dictionnaire anglais
La définition de isochasme dans le dictionnaire est une ligne, sur une carte, reliant des points de fréquence aurorale égale.
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «ISOCHASM»
Découvrez l'usage de
isochasm dans la sélection bibliographique suivante. Des livres en rapport avec
isochasm et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Space Physics: An Introduction to Plasmas and Particles in ...
8.43); an isochasm is a line of equal frequency of an unusual or frightening
apparition. The isochasms were found to be ovals around the geomagnetic pole
with the maximum at geomagnetic latitudes around 70°. For the auroral oval
around ...
May-Britt Kallenrode,
2004
2
Geomagnetism and Aeronomy
The auroral zone is defined either as the region in the vicinity of the maximum
isochasm or the region where auroras are observed most frequently at the zenith
and more rarely to the south and north of it [1, 2] , or that region where an aurora
...
... the antipode of the northern dip pole. It is now possible to draw the curve of the
maximum isochasm from certain theoretical considerations, one point on it being
known. This has been done with success for the northern maximum isochasm.
"Outermost" means farthest from the magnetic center. The aurora may or may not
be visible from the ground at this position, and may be visible from other places.
An isochasm is here defined to be a line (probably one of a pair) connecting ...
World Data Center A.,
1960
5
IGY General Report Series
"Outermost" means farthest from the magnetic center. The aurora may or may not
be visible from the ground at this position, and may be visible from other places.
An isochasm is here defined to be a line (probably one of a pair) connecting ...
The maps show also the L lines (McIlwain, 1961), which appear to be closely
related to the isochaams or lines of equal frequency of auroral visibility (in the
average over many years). The isochasm of maximum frequency is the centre
line of ...
High Altitude Observatory (Boulder, Colo.),
1962
7
Report on IGY visual auroral observations
"Outermost" means farthest from the magnetic center. The aurora may or may not
be visible from the ground at this position, and may be visible from other places.
An isochasm is here defined to be a line (probably one of a pair) connecting ...
It is now possible to draw the curve of the maximum isochasm from certain
theoretical considerations, knowing one point on it. This has been done with
success for the northern maximum isochasm. From our knowledge of the earth's
magnetic ...
9
The Chambers Dictionary
adj isochasm ic [iso- and Gr cliasma a gap. expanse] isocheim or Isochime i 'so-
klm, n a contour line of mean winter temperature. — adj and n isocheim al. iso-
chelm'enal or isocht mal. — adj isocheim Ic. [Iso- and Gr cheima winter weather, ...
10
Science in Antarctica: A Report
The outer isochasms in Figure 1 are for the large auroras, which usually extend
somewhat to the north of Ellsworth, while the innermost isochasm is the southern
limit for regular auroras. Figure 2 shows sighting directions as deduced from ...
National Research Council (U.S.). Committee on Polar Research,
1961