Paleomagnetism.org: An online multi-platform open source environment for paleomagnetic data analysis

This contribution provides an overview of Paleomagnetism.org, an open-source, multi-platform online environment for paleomagnetic data analysis. Paleomagnetism.org provides an interactive environment where paleomagnetic data can be interpreted, evaluated, visualized, and exported. The Paleomagnetism...

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Bibliographic Details
Published in:Computers & geosciences 2016-08, Vol.93, p.127-137
Main Authors: Koymans, Mathijs R., Langereis, Cor G., Pastor-Galán, Daniel, van Hinsbergen, Douwe J.J.
Format: Article
Language:English
Subjects:
Computer simulation
Exports
Freeware
International trade
Interpretation
Mathematical models
Online
Paleomagnetism
Paleomagnetism.org
Regression analysis
Software
Source code
Statistics
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Summary:This contribution provides an overview of Paleomagnetism.org, an open-source, multi-platform online environment for paleomagnetic data analysis. Paleomagnetism.org provides an interactive environment where paleomagnetic data can be interpreted, evaluated, visualized, and exported. The Paleomagnetism.org application is split in to an interpretation portal, a statistics portal, and a portal for miscellaneous paleomagnetic tools. In the interpretation portal, principle component analysis can be performed on visualized demagnetization diagrams. Interpreted directions and great circles can be combined to find great circle solutions. These directions can be used in the statistics portal, or exported as data and figures. The tools in the statistics portal cover standard Fisher statistics for directions and VGPs, including other statistical parameters used as reliability criteria. Other available tools include an eigenvector approach foldtest, two reversal test including a Monte Carlo simulation on mean directions, and a coordinate bootstrap on the original data. An implementation is included for the detection and correction of inclination shallowing in sediments following TK03.GAD. Finally we provide a module to visualize VGPs and expected paleolatitudes, declinations, and inclinations relative to widely used global apparent polar wander path models in coordinates of major continent-bearing plates. The tools in the miscellaneous portal include a net tectonic rotation (NTR) analysis to restore a body to its paleo-vertical and a bootstrapped oroclinal test using linear regressive techniques, including a modified foldtest around a vertical axis. Paleomagnetism.org provides an integrated approach for researchers to work with visualized (e.g. hemisphere projections, Zijderveld diagrams) paleomagnetic data. The application constructs a custom exportable file that can be shared freely and included in public databases. This exported file contains all data and can later be imported to the application by other researchers. The accessibility and simplicity through which paleomagnetic data can be interpreted, analyzed, visualized, and shared makes Paleomagnetism.org of interest to the community. •Online multi-platform environment analysis of Paleomagnetic data.•High quality figures of visualized paleomagnetic can be downloaded.•Shareable files containing all original data and interpretations can be saved.•Accessible environment in which paleomagnetic data can be evaluated an
ISSN:0098-3004
1873-7803
DOI:10.1016/j.cageo.2016.05.007