Results 161 to 170 of about 329,822 (248)

Navajo Sandstone concretions record extended magnetic chronology. [PDF]

Sci Rep
Smrcinova L, Kletetschka G.
europepmc   +1 more source

Two distinct current systems in the ionosphere of Mars. [PDF]

Nat Commun
Gao J, Li S, Mittelholz A, Rong Z, Persson M, Shi Z, Lu H, Zhang C, Wang X, Dong C, Klinger L, Cui J, Wei Y, Pan Y.   +13 more
europepmc   +1 more source

High-latitude platform carbonate deposition constitutes a climate conundrum at the terminal Mesoproterozoic. [PDF]

Nat Commun
de Kock MO, Malatji I, Wabo H, Mukhopadhyay J, Banerjee A, Maré LP.   +5 more
europepmc   +1 more source

The Role of Oxidative Stress in Hypomagnetic Field Effects. [PDF]

Antioxidants (Basel)
Tian L, Luo Y, Ren J, Zhao C.
europepmc   +1 more source

Magnetostratigraphic resolution of the late Ediacaran paleomagnetic enigma

Pierce J, Evans D, Polomski D, Youbi N, Mediany M, Ounar J, Oukhro R, Boumehdi MA, Strauss J, Keller CB, Gärtner A, Ovtcharova M, Wotzlaw J, Linnemann U.   +13 more
europepmc   +1 more source

The effects of different durations of exposure to hypomagnetic field on the number of active mitochondria and ROS levels in the mouse hippocampus. [PDF]

Biochem Biophys Rep
Tian L, Ren J, Luo Y.
europepmc   +1 more source

Hidden geomagnetic reversals? Inference from geomagnetic reversal frequency modeled by kernel density estimation

Yutaka Yoshimura, Masakazu Fujii, Hideitsu Hino, Shotaro Akaho, Satoshi Kuriki, Osamu Ishizuka, Toshitsugu Yamazaki, Hyeon-Seon Ahn, Tesfaye Kidane, Yuhji Yamamoto, Yo-Ichiro Otofuji   +10 more
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Geomagnetic Reversals during the Phanerozoic

Science, 1971
An analysis of worldwide paleomagnetic measurements suggests a periodicity of 350 × 10 6 years in the polarity of the geomagnetic field. During the Mesozoic it is predominantly normal, whereas during the Upper Paleozoic it is predominantly reversed.
M. McElhinny
semanticscholar   +3 more sources

Morphology of geomagnetic reversals

Reviews of Geophysics, 1987
Geophysicists from the United States have been very active in the international effort to understand the nature of the geomagnetic field during polarity reversals. The traditional justification of this research, that knowledge of transitional field behavior may eventually help constrain theoretical geomagnetic dynamo models, remains compelling.
S. Bogue, K. Hoffman
semanticscholar   +2 more sources

New Stochastic Model for Geomagnetic Reversals

Nature, 1970
A non-stationary model for geomagnetic reversals is proposed. From the model, a mean length of all polarity intervals of 1.6 m.y. is predicted.
I. Crain, P. Crain
semanticscholar   +3 more sources