Results 21 to 30 of about 525 (164)

Shannon information of the geomagnetic field for the past 7000 years [PDF]

Nonlinear Processes in Geophysics, 2010
The present behaviour of the geomagnetic field as expressed by the International Geomagnetic Reference Field (IGRF) deserves special attention when compared with that shown over the past few thousands of years by two paleomagnetic/archeomagnetic models ...
A. De Santis, E. Qamili
doaj   +2 more sources

A new permanent geomagnetic station at Colima volcano observatory, Mexico [PDF]

Geofísica Internacional, 2000
The first geomagnetic station (COV) has been installed near Colima volcano by the Geophysics Institute of the National Autonomous University of Mexico, and Colima Volcano Observatory at the University of Colima.
Juan José Ramírez, Ricardo Becerril, René Chávez, Francisco Correa-Mora, Jaime Urrutia-Fucugauchi, Enrique Cabral-Cano, Gerardo Cifuentes-Nava, Esteban Hernández-Quintero   +7 more
doaj   +1 more source

IGRF, International Geomagnetic Reference Field [PDF]

, 2012
core   +3 more sources

Bootstrapping Swarm and observatory data to generate candidates for the DGRF and IGRF-13

Earth, Planets and Space, 2020
As posted by the Working Group V of the International Association of Geomagnetism and Aeronomy (IAGA), the 13th generation of the International Geomagnetic Reference Field (IGRF) has been released at the end of 2019.
F. Javier Pavón-Carrasco, Santiago Marsal, J. Miquel Torta, Manuel Catalán, Fátima Martín-Hernández, J. Manuel Tordesillas   +5 more
doaj   +1 more source

NOAA/NCEI and University of Colorado candidate models for IGRF-13

Earth, Planets and Space, 2021
The International Geomagnetic Reference Field (IGRF) is a set of parameters representing the large-scale internal part of Earth’s magnetic field. The 13th generation IGRF requested candidate models for a definitive main field for 2015.0, a provisional ...
P. Alken, A. Chulliat, M. Nair
doaj   +1 more source

International Geomagnetic Reference Field: the 12th generation [PDF]

, 2015
The 12th generation of the International Geomagnetic Reference Field (IGRF) was adopted in December 2014 by the Working Group V-MOD appointed by the International Association of Geomagnetism and Aeronomy (IAGA).
Finlay, Chris, Barrois, Olivier, Thébault, Erwan, Beggan, Ciarán D., Bertrand, Francois, Aubert, Julien, Boness, Axel, Tøffner-Clausen, Lars, Olsen, Nils, Alken, Patrick, Brocco, Laura, Bondar, Tatiana   +11 more
core   +3 more sources

Recent Developments in Fabrication Methods and Measurement Schemes for Optically Pumped Magnetic Gradiometers: A Comprehensive Review

Micromachines, 2023
Optically pumped gradiometers have long been utilized in measurement in the International Geomagnetic Reference Field (IGRF). With advancements in technologies such as laser diodes and microfabrication, integrated gradiometers with compact sizes have ...
Haifeng Dong, Hangfei Ye, Min Hu, Zongmin Ma   +3 more
doaj   +1 more source

bluegreen-labs/igrf: IGRF CRAN release v1.0

, 2022
The 13th Generation International Geomagnetic Reference Field (IGRF) implemented as an R package. The igrf package provides an R version of the of the original IGRF model in Fortran published by Alken et al.
Koen Hufkens
core   +1 more source

IGRF : International Geomagnetic Reference Field

, 2007
Macmillan, Susan, British Geological Survey   +1 more
openaire   +3 more sources

US/UK Candidates for the Definitive Geomagnetic Reference Field Model DGRF-85 and the Predictive International Geomagnetic Reference Field Model IGRF-90.

Journal of geomagnetism and geoelectricity, 1992
Candidate models for the Definitive Geomagnetic Reference Field 1985 (DGRF-85) and the 1990 International Geomagnetic Reference Field (IGRF-90) have been produced jointly by the British Geological Survey and the United States Naval Oceanographic Office as part of their respective World Magnetic Modeling and Charting programs which are sponsored by the ...
BARRACLOUGH, David R., WILLIAMS, Larry D., QUINN, John M.   +2 more
openaire   +2 more sources