[PDF] Top 20 Candidate main field models for producing the 9th generation IGRF
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Candidate main field models for producing the 9th generation IGRF
... For the 1995.0 epoch some very large differences (hun- dreds of nT) occur, predominantly in the Southern Hemi- sphere and in the Z component. This is mainly due to the uneven distribution and reduced number of available ... 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
... two candidate models for IGRF-12 for the main field at epoch ...parent models with a simple parametrization and without adding regularization or temporal ...these models ... 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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NOAA/NGDC candidate models for the 11th generation International Geomagnetic Reference Field and the concurrent release of the 6th generation Pomme magnetic model
... the IGRF only describes the long-wavelength inter- nal part of the geomagnetic field, candidate models are usu- ally extracted from more extensive models which include higher-degree ... See full document
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NGDC/GFZ candidate models for the 10th generation International Geomagnetic Reference Field
... 10th generation IGRF, we produced and submitted three main field and three secular variation candidate ...parent models which use a standard quadratic parameterisation in time of the ... See full document
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Candidate main field models for the Definitive Geomagnetic Reference Field 1995 0 and 2000 0
... magnetic models are constructed, or more specifically, the way magnetic measurements are ...8th generation of IGRF (previously IGRF 2000), main-field candidate models relied ... See full document
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The BGS magnetic field candidate models for the 11th generation IGRF
... Reference Field (IGRF) is a widely used model of the Earth’s main magnetic field and is produced every 5 years by a collaboration of mod- elling teams at the invitation of the International Associ- ... See full document
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Evaluation of candidate geomagnetic field models for IGRF 11
... eleventh generation of 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) ... 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
... new generation of the IZMST series (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 ... See full document
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Ionospheric and induced field leakage in geomagnetic field models, and derivation of candidate models for DGRF 1995 and DGRF 2000
... the 9th generation of the IGRF defined by IAGA, we proposed a candidate model for DGRF 1995 and two candidate models for DGRF ...These candidate models, the ... See full document
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The BGS magnetic field candidate models for the 12th generation IGRF
... the field from an a priori main field model based on a similar parameterisation to that described in the ‘Model parameterization and estima- tion’ section) at higher ... See full document
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The BGS magnetic field candidate models for the 10th generation IGRF
... BGS candidate models for the 10th generation International Geomagnetic Reference ...Magnetic Field Y -component are included. The candidate models were then based, for the ... See full document
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Evaluation of candidate geomagnetic field models for the 10th generation of IGRF
... 10th generation IGRF a total of seven main-field (MF) candidate models for ...(SV) candidate models for ...The candidate models were sub- mitted by Danish ... See full document
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Prediction of geomagnetic field with data assimilation: a candidate secular variation model for IGRF 11
... dynamical models and obser- vations to predict changes in state ...field models dating back to 5000 BCE, and a data assimilation component using a sequential assimilation ...and IGRF field ... See full document
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The CHAOS 3 geomagnetic field model and candidates for the 11th generation IGRF
... quality models of the re- cent geomagnetic field have been ...these models have dramati- cally improved the core field description at the core-mantle boundary and brought new insights into core ... See full document
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Westward drift in secular variation of the main geomagnetic field inferred from IGRF
... the Main Geomagnetic field (MG-field for ...the field by different researchers, al- though an average westward drift velocity ...eighth generation of IGRF and Briggs method ... 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
... our models are strongest at high-magnetic latitudes, resulted in larger errors being propagated to epoch ...auxiliary models, confirming that the issue is mainly related to the spatio- temporal distribution ... See full document
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A Robust Combination Strategy for Semantic Role Labeling
... Models 1 and 2. These models approach SRL as a sequential tagging task. In a pre-process step, the input syntactic structures are traversed in order to select a subset of constituents organized sequentially ... 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
... Dipole/MLT coordinates are identical to solar magnetic (SM) coordinates; they are suitable for describing the mag- netic effect of the ring-current (cf. Eq. (1)), in agreement with the approach taken for the Tsyganenko ... See full document
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Testing IGRF 11 candidate models against CHAMP data and quasi definitive observatory data
... 10th generation of IGRF (Maus et ...with candidate models, and the absence of measure- ments during the time interval of the secular variation can- ...that candidate mod- els are ... See full document
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