Risk management of the effects of solar activity: device and procedure of obtaining in real time and high resolution, the Local Geomagnetic Disturbance at middle latitudes
A physics and mathematics research group from a Spanish university presents a device and procedure that, based on the measurement of the local geomagnetic field, is able to estimate the magnetic disturbance component associated to solar activity at middle latitudes.The determination of the magnetic disturbance component is especially relevant in cases of sporadic but explosive solar phenomena. They are looking for commercial agreements with technical assistance and cooperation agreements
The research team seeks to reach technical cooperation agreements with the Public Administration, Civil Protection, Critical Infrastructures and Emergencies. Also commercial agreements with technical assistance with companies belonging to productive sectors that could be affected by the variations in the magnetic field due to the solar activity: Electric power companies, Railway Network, Telecommunications, Oil Pipelines, Gas Pipelines, etc. and it could also be of special interest to insurance companies.
The effects that the energetic particles, the electromagnetic radiation and the modification of the geomagnetic field produce in the terrestrial environment, are very varied and have very different time scales. They can directly affect health, or indirectly, through failures in technology that society uses daily, for example, in radio communications, terrestrial and positioning navigation systems, and even more in critical infrastructures such as electric power networks, rail transport or large pipelines carrying gas or fuel between countries. The present invention describes a method and device capable of obtaining the local geomagnetic disturbance component at medium latitudes in real-time and high precision (1 minute) by removing different components of undisturbed geomagnetic field, from the magnetic field measurement on the earth's surface (solving the problems existing in the prior state of the art). This measurement must offer at least the horizontal component of the geomagnetic field on the surface of the Earth and can be obtained directly from geomagnetic sensors properly calibrated and isolated from any artificial electromagnetic disturbance. It can also be obtained from data provided real-time by the geomagnetic observatories via remote connections. In the invention, a day model in magnetic calm is described, at medium latitudes for the horizontal component of the geomagnetic field. The procedure implies the characterization of a day of magnetic calm or disturbed day by means of an evaluation of the goodness of the fit of the invented model to the measured data of the horizontal component of the total magnetic field, once subtracted an auxiliary curve of the tendency of the night values. The method can be implemented in the device to determine the local geomagnetic perturbation in real-time. The research team seeks to reach technical cooperation agreements with the Public Administration, Civil Protection, Critical Infrastructures and Emergencies. Also commercial agreements with technical assistance with companies belonging to productive sectors that could be affected by the variations in the magnetic field due to the solar activity: Electric power companies, Railway Network, Telecommunications, Oil Pipelines, Gas Pipelines, etc. and it could also be of special interest to insurance companies.
Advantages and innovations
The innovative character of the present invention is made possible by the application of a day model in magnetic calm at mid-latitudes, where the regular magnetic variation (one day) associated with the current system generated by the solar radiation received in the Illuminated zone on Earth, presents great variability and is difficult to obtain. The model invented to determine the daily geomagnetic variation, differentiates two types of points: some fixed to zero intensity in the hours of night, and others free in intensity for the hours of day, that offer like parameters the degrees of freedom necessary for the adjustment of the model. There are no other devices or processes so far, that calculate in real-time, an index for monitoring the local geomagnetic disturbance field at minute resolution.
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