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International Geomagnetic Reference Field (IGRF)

NOAA/NGDC candidate models for the 11th generation International Geomagnetic Reference Field and the concurrent release of the 6th generation Pomme magnetic model

NOAA/NGDC candidate models for the 11th generation International Geomagnetic Reference Field and the concurrent release of the 6th generation Pomme magnetic model

... The International Geomagnetic Reference Field (IGRF) is updated every five years based on candidate model submissions by research institutions ...of IGRF, candidates were ...

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A 2015 International Geomagnetic Reference Field (IGRF) candidate model based on Swarm’s experimental absolute magnetometer vector mode data

A 2015 International Geomagnetic Reference Field (IGRF) candidate model based on Swarm’s experimental absolute magnetometer vector mode data

... 2015.0 International Geomagnetic Reference Field ...the geomagnetic field of internal origin up to degree and order 40 in a spherical harmonic representation and including a ...

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International Geomagnetic Reference Field—the eighth generation

International Geomagnetic Reference Field—the eighth generation

... the International Geomagnetic Reference Field (IGRF) was adopted in 1999 by the International Association of Geomagnetism and Aeronomy (IAGA) Division V, Working Group ...the ...

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NGDC/GFZ candidate models for the 10th generation International Geomagnetic Reference Field

NGDC/GFZ candidate models for the 10th generation International Geomagnetic Reference Field

... The geomagnetic field at the Earth’s surface is strongly dominated by the long wavelength main field from the Earth’s ...the geomagnetic field is well approx- imated by this main field ...the ...

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International Geomagnetic Reference Field—the tenth generation

International Geomagnetic Reference Field—the tenth generation

... The International Geomagnetic Reference Field (IGRF) 10th Generation was adopted in 2004 by the Inter- national Association of Geomagnetism and Aeronomy (IAGA) Working Group ...The ...

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NOAA/NGDC candidate models for the 12th generation International Geomagnetic Reference Field

NOAA/NGDC candidate models for the 12th generation International Geomagnetic Reference Field

... the IGRF is intended to describe the large- scale, long wavelength part of the internal geomag- netic field, during the modeling process, it is necessary to carefully account for and parameterize the other ...

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International Geomagnetic Reference Field: the 12th generation

International Geomagnetic Reference Field: the 12th generation

... of these changes in precision and nomenclature, it is rec- ommended to always use the term ’IGRF-gg,’ where gg represents the generation, in order to keep track of the coefficients that were actually used in ...

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Westward drift in secular variation of the main geomagnetic field inferred from IGRF

Westward drift in secular variation of the main geomagnetic field inferred from IGRF

... Main Geomagnetic field (MG-field) but also in its Secular Variation ...of International Geomagnetic Reference Field (IGRF) is used in this paper to study westward ...

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Two geomagnetic regional models for Albania and south east Italy from 1990 to 2010 with prediction to 2012 and comparison with IGRF 11

Two geomagnetic regional models for Albania and south east Italy from 1990 to 2010 with prediction to 2012 and comparison with IGRF 11

... revised geomagnetic reference model for the region comprising Albanian territory, south- east part of Italian Peninsula and Ionian Sea from 1990 to 2010 with prediction to ...main geomagnetic field ...

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Evaluation of candidate geomagnetic field models for IGRF 11

Evaluation of candidate geomagnetic field models for IGRF 11

... the International Geomagnetic Reference Field (IGRF) was agreed in December 2009 by a task force appointed by the International Association of Geomagnetism and Aeronomy (IAGA) ...

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The BGS magnetic field candidate models for the 12th generation IGRF

The BGS magnetic field candidate models for the 12th generation IGRF

... generation International Geomagnetic Reference ...magnetic field data from satellite and observatory ...internal field time dependence for degrees 1 to 13 is represented by order 6 ...

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Bathymetric and magnetic traverses over the southwest margin of the Rockall Plateau  RRS "Discovery" Cruise 60, 26 February   22 March 1974

Bathymetric and magnetic traverses over the southwest margin of the Rockall Plateau RRS "Discovery" Cruise 60, 26 February 22 March 1974

... The data a r e then processed in the data reduction program to reduce total magnetic field values to anomaly values by removal of the International Geomagnetic Reference Field Mead 1970 [r] ...

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The 2000 revision of the joint UK/US geomagnetic field models and an IGRF 2000 candidate model

The 2000 revision of the joint UK/US geomagnetic field models and an IGRF 2000 candidate model

... The World Magnetic Model for epoch 2000 (WMM2000) is produced jointly by the British Geological Survey (BGS) in Edinburgh, Scotland and the U.S. Geological Survey (USGS), in Denver, Colorado on behalf of the UK Hydro- ...

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The Geomagnetic Field

The Geomagnetic Field

... Let’s consider the Outer Core as a charged body spinning with differential velocity, due to the fact that it is composed by a very viscous fluid, in the self-generated magnetic field. Further, it has a system of ...

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Candidate main field models for the Definitive Geomagnetic Reference Field 1995 0 and 2000 0

Candidate main field models for the Definitive Geomagnetic Reference Field 1995 0 and 2000 0

... Acknowledgments. We would like to thank our editor, Susan Macmillan, and Nils Olsen and Angelo De Santis for their con- structive remarks and comments. We are pleased to thank the staff of the geomagnetic ...

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Parent magnetic field models for the IGRF 12GFZ candidates

Parent magnetic field models for the IGRF 12GFZ candidates

... (3) To illustrate the difficulties with Swarm data, we used the full Swarm A magnetic data set (baseline 0301/0302), where the usual processing steps that apply the calibra- tion on a daily basis are dropped. Instead, ...

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Spatial temporal modeling of the geomagnetic field for 1980–2000 period and a candidate IGRF secular variation model for 2000–2005

Spatial temporal modeling of the geomagnetic field for 1980–2000 period and a candidate IGRF secular variation model for 2000–2005

... The space-time models described here were developed us- ing the same technique as in Golovkov et al. (1997). These models cover the time interval from 1980 to 2000 and uti- lize different combinations of data from ...

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Milestones of the IAGA International Service of Rapid Magnetic Variations and its contribution to geomagnetic field knowledge

Milestones of the IAGA International Service of Rapid Magnetic Variations and its contribution to geomagnetic field knowledge

... the International Meteorological Organiza- tion, OMM), and of the IATME on Methods and Codes to Adequately Describe Magnetic Disturbances and Perturba- tions’ were ...

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Observations of magnetic storms at the newly developed magnetic observatory in Malaysia

Observations of magnetic storms at the newly developed magnetic observatory in Malaysia

... The geomagnetic storms typically have three phases: initial, main and recovery phases [1] as shown in Figure ...magnetic field (H-component) occurring at the onset of the initial ...magnetic field ...

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A satellite footprint visualisation tool

A satellite footprint visualisation tool

... induced field due to the circulations in the inner core and a current system high above the Earth’s ...magnetic field, which interacts with the Earth’s own magnetic field by producing a current ...

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