Results 221 to 230 of about 19,448,839 (267)

A hybrid compass mechanism combining radical pairs and magnetite crystals. [PDF]

Proc Natl Acad Sci U S A
Hore PJ.
europepmc   +1 more source

Joint Inversion of Radionuclide Production Rate Data and Thermoremanent Magnetic Records over the Holocene. [PDF]

Sol Phys
Schanner MA, Nilsson A, Muscheler R.
europepmc   +1 more source

The near-zero-magnetic field alters microbial community structure and ecological functions in mangroves. [PDF]

ISME Commun
Meng FY, Li JY, Zhou J, Zhang ZF, Pan D, Li J, Song Q, Zhang CJ, Li M.   +8 more
europepmc   +1 more source

Magnetic Heterodyne Target Proximal Distance Estimate Using Extended N-th-Pole Magnetic Dipole Model via Iterative Extended Kalman Filter. [PDF]

Sensors (Basel)
Miao X, Li Y, Jiang Z, Ma S, Zhang H, Liu P, Dai K.   +6 more
europepmc   +1 more source

Bogong moths navigate using a light-dependent geomagnetic inclination compass

Warrant E, Chen H, Rosberg L, Dreyer D, Leberecht B, Mouritsen H, Fleischmann P.   +6 more
europepmc   +1 more source

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A statistical model of the geomagnetic field

pure and applied geophysics, 1964
A statistical model of the geomagnetic field is derived, based on the assumption of an axial geocentric dipole field of strengthHe at the equator perturbed by randomly directed components of constant magnitudeh. The model fits the dispersions found from an analysis of the 1945 field, and the ratioh/He obtained for this field and from the palaeomagnetic
Edward Irving, Martin A. Ward
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A model of the geomagnetic field for 1970

Journal of Geophysical Research, 1974
A mathematical description of the geomagnetic field for 1970 has been derived by using 360,000 land, sea, and airborne measurements accumulated since 1939. The model is expressed by 168 spherical harmonic coefficients gnm, hnm to m = n = 12. It was used as the basis for the 1970 edition of the U.S. World Charts of Magnetic Variation.
Louis Hurwitz, Eugene B. Fabiano, Norman W. Peddie   +2 more
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A model of the geomagnetic field for 1975

Journal of Geophysical Research, 1976
A new model of the near-surface geomagnetic main field and its secular variation has been derived. The main field part, a degree 12 spherical harmonic series of 168 internal source terms, was derived from 1248 representative values having a nearly even distribution over the earth.
Norman W. Peddie, Eugene B. Fabiano
openaire   +1 more source