Results 41 to 50 of about 743 (185)
Spatial-temporeral changes in the geomagnetic field and seismisity
Геофизический журнал, 2017 This paper presents the results of an analysis of spatial-temporeral changes in the Earth’s magnetic field and its seismicity for the period 1950—2015. The International Geomagnetic Field of the 12 generation (BIGRF-12) was analyzed.
M.I. Orlyuk +2 more
doaj +1 more source
Separating polar ionospheric and lithospheric magnetic signals in satellite data [PDF]
, 2019 Both the interior of the Earth and near-Earth space contain a variety of interacting magnetic field sources, which together make up the “geomagnetic field”.
Smith, Ashley R. A. +1 more
core +1 more source
Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil
Meteoritics &Planetary Science, EarlyView.Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta +9 more
wiley +1 more source
Meteoritics &Planetary Science, EarlyView.Abstract Within the Danian Scaglia Rossa Formation appears a regionally correlatable horizon cutting across multiple sections and outcrops within the Umbria–Marche Basin of NE Italy, where it is intercalated with uniform pelagic carbonate successions. This horizon is called “ALE layer” and has tentatively been interpreted as a fine‐grained volcanic ash.
Toni Schulz +5 more
wiley +1 more source
Repeat station data compared to a global geomagnetic field model
Annals of Geophysics, 2013 Geomagnetic repeat station surveys with local variometers for improved data reductions have been carried out in Germany for about ten years. For nearly the same time interval the satellites Ørsted and CHAMP have provided a good magnetic field data ...
Monika Korte, Vincent Lesur
doaj +1 more source
Geophysical Research Letters, 2007 We report the development of a new technique (magnetic gradiometry) for satellite‐based remote sensing of the lithosphere. The measurements reported here represent the first systematic measurements of lithospheric magnetic field gradients, and were collected from a spinning spacecraft.
M. Purucker +5 more
openaire +1 more source
Earth, Planets and Space, 2018 The European Space Agency’s three-satellite constellation Swarm, launched in November 2013, has provided unprecedented monitoring of Earth’s magnetic field via a unique set of gradiometric and multi-satellite measurements from low Earth orbit.
Terence J. Sabaka +3 more
doaj +1 more source
Modeling the lithospheric magnetic field over France by means of revised spherical cap harmonic analysis (R‐SCHA) [PDF]
Journal of Geophysical Research: Solid Earth, 2006 We have recently proposed the revised spherical cap harmonic analysis (R‐SCHA) modeling technique. The new mathematical functions represent faithfully the spatial variations of potential fields in a restricted area. In this paper, we tackle the inverse problem and outline the efficiency of the new basis functions with respect to real magnetic data ...
Thébault, E., Mandea, M., Schott, J.
openaire +3 more sources
Time constraints on the formation of lithospheric mantle beneath cratons: a re-Os isotope and platinum group element study of peridotite xenoliths from northern Canada and Lesotho, [PDF]
, 2001 Understanding the generation and evolution of cratonic lithospheric keels requires detailed knowledge of their age, timescale of formation, and the relationship between the crust and mantle part of the lithosphere.
Irvine, Gordon James
core
Earth and Planetary PhysicsThe National Geophysical Data Center (NGDC) of the United States has collected aeromagnetic data for input into a series of geomagnetic models to improve model resolution; however, in the Tibetan Plateau region, ground-based observations remain ...
PengTao Zhang +5 more
doaj +1 more source