2023 - Research.com Earth Science in Finland Leader Award
2022 - Research.com Earth Science in Finland Leader Award
His primary scientific interests are in Geomagnetically induced current, Earth's magnetic field, Geophysics, Space weather and Magnetometer. The concepts of his Geomagnetically induced current study are interwoven with issues in Computational physics and Meteorology. His Earth's magnetic field study frequently intersects with other fields, such as Storm.
His Geophysics study combines topics in areas such as Solar wind and Electrojet. Ari Viljanen has researched Magnetometer in several fields, including Ionospheric dynamo region and Geodesy. His studies deal with areas such as Spacecraft and Magnetic midnight, Substorm as well as Ionosphere.
Ari Viljanen mainly focuses on Geophysics, Geomagnetically induced current, Earth's magnetic field, Ionosphere and Meteorology. The study incorporates disciplines such as Ionospheric dynamo region, Electrojet, Magnetometer, Solar wind and Substorm in addition to Geophysics. His Geomagnetically induced current research integrates issues from Transformer, Space weather and Electric power transmission.
His work deals with themes such as Climatology, Variation, Time derivative and Latitude, which intersect with Earth's magnetic field. His work focuses on many connections between Ionosphere and other disciplines, such as Magnetosphere, that overlap with his field of interest in Magnetohydrodynamics. His work in Meteorology tackles topics such as Geomagnetic storm which are related to areas like Coronal mass ejection.
Ari Viljanen focuses on Geomagnetically induced current, Earth's magnetic field, Geophysics, Ionosphere and Meteorology. His Geomagnetically induced current study combines topics from a wide range of disciplines, such as Grid and Scale. His Earth's magnetic field research includes themes of Space weather, Time derivative and Latitude, Geodesy.
His Geophysics research is multidisciplinary, relying on both Magnetometer, Solar wind and Extreme value theory. The various areas that Ari Viljanen examines in his Solar wind study include Atmospheric sciences, Substorm and Electrojet. Ari Viljanen studied Ionosphere and Magnetosphere that intersect with Electrical engineering, Magnetohydrodynamics and Super Dual Auroral Radar Network.
Geomagnetically induced current, Geophysics, Earth's magnetic field, Geomagnetic storm and Storm are his primary areas of study. His Geomagnetically induced current research is multidisciplinary, incorporating elements of Meteorology, Systems engineering and Scale. Ari Viljanen studies Geophysics, focusing on Ionosphere in particular.
His study looks at the relationship between Earth's magnetic field and fields such as Latitude, as well as how they intersect with chemical problems. His Geomagnetic storm study which covers Magnetometer that intersects with Substorm. Within one scientific family, Ari Viljanen focuses on topics pertaining to Space weather under Storm, and may sometimes address concerns connected to Midnight.
This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.
Ionospheric disturbance magnetic field continuation from the ground to the ionosphere using spherical elementary current systems
O. Amm;A. Viljanen.
Earth, Planets and Space (1999)
Geomagnetic storm of 29–31 October 2003: Geomagnetically induced currents and their relation to problems in the Swedish high-voltage power transmission system
Antti Pulkkinen;Sture Lindahl;Ari Viljanen;Risto Pirjola.
Space Weather-the International Journal of Research and Applications (2005)
Time derivative of the horizontal geomagnetic field as an activity indicator
A. Viljanen;H. Nevanlinna;K. Pajunpää;A. Pulkkinen.
Annales Geophysicae (2001)
Geomagnetically induced currents: Science, engineering, and applications readiness
Antti Pulkkinen;E. Bernabeu;A. Thomson;A. Viljanen.
Space Weather-the International Journal of Research and Applications (2017)
Ionospheric equivalent current distributions determined with the method of spherical elementary current systems
Antti Pulkkinen;Olaf Amm;Ari Viljanen.
Journal of Geophysical Research (2003)
Calculation of geomagnetically induced currents in the 400 kV power grid in southern Sweden
Magnus Wik;Magnus Wik;A. Viljanen;R. Pirjola;A. Pulkkinen;A. Pulkkinen.
Space Weather-the International Journal of Research and Applications (2008)
Application and validation of the spherical elementary currents systems technique for deriving ionospheric equivalent currents with the North American and Greenland ground magnetometer arrays
James M. Weygand;Olaf Amm;A. Viljanen;V. Angelopoulos.
Journal of Geophysical Research (2011)
Fast computation of the geoelectric field using the method of elementary current systems and planar Earth models
A. Viljanen;A. Pulkkinen;O. Amm;R. Pirjola.
Annales Geophysicae (2004)
Complex image method for calculating electric and magnetic fields produced by an auroral electrojet of finite length
R. Pirjola;A. Viljanen.
Annales Geophysicae (1998)
Space weather events in July 1982 and October 2003 and the effects of geomagnetically induced currents on Swedish technical systems
Magnus Wik;Magnus Wik;R. Pirjola;Henrik Lundstedt;A. Viljanen.
Annales Geophysicae (2009)
If you think any of the details on this page are incorrect, let us know.
We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below: