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Data set about local mapping of the Earth's magnetic field.

ABSTRACT: The data presented in this article are related to the research article entitled "Magnetic field and its experimental measurement in teaching in high schools" (J. Be?uška, D. Pol?in, 2016) [1]. The article describes the possibilities of relatively accurate experimental measurement of magnetic field in any geographical conditions, in both exteriors and interiors, without the need for special instrumentation, with minimal financial costs. The data set is publicly available to allow the comparison of magnetic induction values in given latitudes with the other latitudes by the given methods and a critical analysis of the applicability of these methods in areas and locations without more demanding instrumentation.

SUBMITTER: Polcin D

PROVIDER: S-EPMC5988398 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Data set about local mapping of the Earth's magnetic field.

Polčin Daniel D

Data in brief 20180208

The data presented in this article are related to the research article entitled "Magnetic field and its experimental measurement in teaching in high schools" (J. Beňuška, D. Polčin, 2016) [1]. The article describes the possibilities of relatively accurate experimental measurement of magnetic field in any geographical conditions, in both exteriors and interiors, without the need for special instrumentation, with minimal financial costs. The data set is publicly available to allow the comparison o ...[more]

PMID: 29876447

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Project description:This article focuses on mapping the Sun's large-scale magnetic fields. In particular, the model considers how photospheric fields evolve in time. Our solar field mapping method uses Netlogo's cellular automata software via algorithms to carry out the movement of magnetic field on the Sun via agents. This model's entities consist of two breeds: blue and red agents. The former carry a fixed amount of radially outward magnetic flux: 10(23) Mx, and the latter, the identical amount of inward directed flux. The individual agents are distinguished, for clarity, by various shades of blue and red arrows whose orientation indicates the direction the agents are moving, relative to the near-steady bulk fluid motions. The fluid motions generally advect the field with the well known meridional circulation and differential rotation. Our model predominantly focuses on spatial and temporal variations from the bulk fluid motions owing to magnetic interactions. There are but a few effects that agents have on each other: i) while at the poles, field agents are connected via the Babcock - Leighton (B - L) subsurface field to other latitudes. This allows them to undertake two duties there: A) the B - L subsurface field spawns the next generation of new magnetic field via new agents, and B) the B - L subsurface field attracts lower-latitude fields via the "long-range" magnetic stress tension; ii) nearby agents affect each other's motion by short-range interactions; and iii) through annihilation: when opposite field agents get too close to each other, they disappear in pairs. The behavior of the agents' long- and short-range magnetic forces is discussed within this paper as well as the model's use of internal boundary conditions. The workings of the model may be seen in the accompanying movies and/or by using the software available via SpringerPlus' website, or on the Netlogo (TM) community website, where help is readable available, and should all these fail, some help from the author.

Dataset Information

Data set about local mapping of the Earth's magnetic field.

Publications

Data set about local mapping of the Earth's magnetic field.

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