[PDF] Top 20 Evaluation of candidate geomagnetic field models for IGRF 11
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Evaluation of candidate geomagnetic field models for IGRF 11
... produce candidate models were from the German satellite CHAMP, the Danish satellite Ørsted and the ...of geomagnetic observato- ...parent models that used a range of time durations (1 month to ... See full document
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Evaluation of candidate geomagnetic field models for the 10th generation of IGRF
... generation IGRF a total of seven main-field (MF) candidate models for ...(SV) candidate models for 2005.0–2010.0, were submitted for evaluation to a Task Force set up by IAGA ... See full document
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Evaluation of candidate geomagnetic field models for IGRF 12
... that models D and G show the largest ...that candidate model A is the least correlated on average to the mean model with in par- ticular a significant loss of correlation to the mean model M from SH degree ... See full document
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Testing IGRF 11 candidate models against CHAMP data and quasi definitive observatory data
... International Geomagnetic Reference Field (IGRF) is a spherical harmonic model of the Earth’s main mag- netic field, prepared by an international task force of mod- ellers under the umbrella of the ... See full document
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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
... (STM—space-time models based on data from observatories, POGS and Ørsted) was developed as a model of the main geomagnetic field from ...from IGRF 2000. Depending on the data used, this gave a ... See full document
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NOAA/NGDC candidate models for the 11th generation International Geomagnetic Reference Field and the concurrent release of the 6th generation Pomme magnetic model
... International Geomagnetic Reference Field (IGRF) is updated every five years based on candidate model submissions by research institutions ...of IGRF, candidates were requested for the ... See full document
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A 2015 International Geomagnetic Reference Field (IGRF) candidate model based on Swarm’s experimental absolute magnetometer vector mode data
... north geomagnetic pole over Greenland, between 4 and 12 nT) and southern latitudes (up to 4 nT), and second, that errors elsewhere are lim- ited to much lesser values (typically 1 to 2 ...our models are ... See full document
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New parameterization of external and induced fields in geomagnetic field modeling, and a candidate model for IGRF 2005
... the static part of the models 09d, CM4 and MF4. There is consistently higher correlation between models 09d and CM4 compared to MF4. The right panel shows the power spectra of the linear and quadratic time ... See full document
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An IGRF candidate main geomagnetic field model for epoch 2000 and a secular variation model for 2000–2005
... main field model for ...main field for 1995 epoch (this gives us the possibility to compute a model which is independent of the ...which IGRF models have to be ...variation models ... See full document
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Candidate models for the IGRF 11th generation making use of extrapolated observatory data
... the geomagnetic activity, because the time scale of the observed geomagnetic variations is less than the 3-hour length of the interval for which K is ... See full document
7
Ionospheric and induced field leakage in geomagnetic field models, and derivation of candidate models for DGRF 1995 and DGRF 2000
... the IGRF defined by IAGA, we proposed a candidate model for DGRF 1995 and two candidate models for DGRF ...These candidate models, the derivation of which is described in the ... See full document
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NOAA/NGDC candidate models for the 12th generation International Geomagnetic Reference Field
... (NGDC) candidate models for IGRF-12. Each candidate model was taken from a more exten- sive parent model, which attempted to parameterize the other various field sources described ... See full document
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The CHAOS 3 geomagnetic field model and candidates for the 11th generation IGRF
... which represent low-latitude field changes, are better re- solved, as indicated by the lower scatter. The temporal vari- ations for the lower degrees are generally well described by the spline models (and ... See full document
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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 ...International ... See full document
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Main field and secular variation candidate models for the 12th IGRF generation after 10 months of Swarm measurements
... main field and secular variation candidate models for the 12th generation of the International Geomagnetic Reference Field ...two models are derived from the same parent model, ... See full document
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Candidate main field models for the Definitive Geomagnetic Reference Field 1995 0 and 2000 0
... main-field models were computed, using observatory annual means. These models were thereafter used to derive annual secular-variation ...main-field models were based on a constant geographical ... See full document
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IGRF candidate models at times of rapid changes in core field acceleration
... Apart from Ørsted measurements, we have only a few independent data at our disposal to test the SV-09 model. Magnetic observatories usually distribute either definitive baseline-corrected data once a year or provisional ... See full document
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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
... 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 (and its ... See full document
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Parent magnetic field models for the IGRF 12GFZ candidates
... accurate models of the geomagnetic field around epoch ...magnetic field lin- ear variation in time - is only accurate for the longest wavelengths (up to SH degree ...magnetic field - ... See full document
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Prediction of geomagnetic field with data assimilation: a candidate secular variation model for IGRF 11
... Since IGRF-9 includes data up to early 2003, we simply assume its 5-year SV forecast could be extended to the 2004–2009 period for accuracy compar- ...addition, IGRF-10 5-year SV forecast is used for the ... See full document
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