Search Results - "Asikainen, Timo"

Electricity consumption in Finland influenced by climate effects of energetic particle precipitation by Juntunen, Veera, Asikainen, Timo

“…It is known that electricity consumption in many cold Northern countries depends greatly on prevailing outdoor temperatures especially during the winter…”
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Prediction of even and odd sunspot cycles by Asikainen, Timo, Mantere, Jani

“…Here we study the prediction of even and odd numbered sunspot cycles separately, thereby taking into account the Hale cyclicity of solar magnetism. We first…”
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Undulate: Extreme continuous experimentation of separately deployable software by Asikainen, Timo, Männistö, Tomi, Huovila, Eetu

“…We introduce the Undulate software for continuous experimentation in software engineering. The software covers all main phases of the experimentation process,…”
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Comparing the effects of solar-related and terrestrial drivers on the northern polar vortex by Salminen, Antti, Asikainen, Timo, Maliniemi, Ville, Mursula, Kalevi

“…Northern polar vortex experiences significant variability during Arctic winter. Solar activity contributes to this variability via solar irradiance and…”
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The Mansurov effect: Statistical significance and the role of autocorrelation by Edvartsen, Jone, Maliniemi, Ville, Nesse Tyssøy, Hilde, Asikainen, Timo, Hatch, Spencer

“…The Mansurov effect is related to the interplanetary magnetic field (IMF) and its ability to modulate the global electric circuit, which is further…”
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Dependence of the global dayside reconnection rate on interplanetary magnetic field By and the earth’s dipole tilt by Reistad, Jone Peter, Holappa, Lauri, Ohma, Anders, Gabrielse, Christine, Sur, Dibyendu, Asikainen, Timo, DeJong, Anna

“…In the recent years, significant attention has been given to the combined effect of Interplanetary Magnetic Field (IMF) duskward component (B y ) and dipole…”
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Using mutual information to investigate non-linear correlation between AE index, ULF Pc5 wave activity and electron precipitation by Hoilijoki, Sanni, Kilpua, Emilia K. J., Osmane, Adnane, Kalliokoski, Milla M. H., George, Harriet, Savola, Mikko, Asikainen, Timo

“…In this study, we use mutual information from information theory to investigate non-linear correlation between geomagnetic activity indicated by auroral…”
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Energetic electron flux behavior at low L-shells and its relation to the South Atlantic Anomaly by Asikainen, Timo, Mursula, Kalevi

“…Here we study energetic electron fluxes in the inner radiation belt ( L < 2 ) , especially within the South Atlantic Anomaly (SAA) region during a period of a…”
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New Homogeneous Composite of Energetic Electron Fluxes From POES Satellites: 1. Correction for Background Noise and Orbital Drift by Asikainen, Timo, Ruopsa, Miro

“…One of the most popular long‐term data sets of energetic particles used in, for example, long‐term radiation belt studies and in atmospheric/climate studies is…”
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Atomic layer deposition growth of zirconium doped In2O3 films by ASIKAINEN, Timo, RITALA, Mikko, LESKELÄ, Markku

“…Zirconium doped indium oxide thin films were deposited by the atomic layer deposition technique at 500 DGC using InCl3, ZrCl4 and water as precursors. The…”
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Planetary Waves Controlling the Effect of Energetic Electron Precipitation on the Northern Polar Vortex by Salminen, Antti, Asikainen, Timo, Mursula, Kalevi

“…Energetic electron precipitation (EEP) forms ozone‐depleting nitrogen and hydrogen oxides in the high‐latitude middle and upper atmosphere, leading to ozone…”
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Magnetic Storms During the Space Age: Occurrence and Relation to Varying Solar Activity by Mursula, Kalevi, Qvick, Timo, Holappa, Lauri, Asikainen, Timo

“…We study the occurrence of magnetic storms in space age (1957–2021) using Dst and Dxt indices. We find 2,526/2,743 magnetic storms in the Dxt/Dst index, out of…”
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Undulate: A framework for data-driven software engineering enabling soft computing by Asikainen, Timo, Männistö, Tomi

“…Especially web-facing software systems enable the collection of usage data at a massive scale. At the same time, the scale and scope of software processes have…”
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Automated Identification of Coronal Holes from Synoptic EUV Maps by Hamada, Amr, Asikainen, Timo, Virtanen, Ilpo, Mursula, Kalevi

“…Coronal holes (CHs) are regions of open magnetic field lines in the solar corona and the source of the fast solar wind. Understanding the evolution of coronal…”
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Decadal variability in the Northern Hemisphere winter circulation: Effects of different solar and terrestrial drivers by Maliniemi, Ville, Asikainen, Timo, Mursula, Kalevi

“…Northern Hemisphere winter circulation is affected by both solar and terrestrial forcings. El-Niño events and volcanic eruptions have been shown to produce a…”
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Assessing North Atlantic winter climate response to geomagnetic activity and solar irradiance variability by Maliniemi, Ville, Asikainen, Timo, Salminen, Antti, Mursula, Kalevi

“…Recent studies suggest a response in the North Atlantic winter circulation which lags by a couple of years with respect to sunspot maximum. This has been…”
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Satellite Observations of the Influence of Energetic Electron Precipitation on the Mesosphere and Stratosphere in the Northern Hemisphere by Salminen, Antti, Asikainen, Timo, Mursula, Kalevi

“…The Earth’s atmosphere is influenced by energetic electrons coming from the magnetosphere. This energetic electron precipitation (EEP) is energized by the…”
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Long-term changes in space weather effects on the Earth’s ionosphere by Tsagouri, Ioanna, Galkin, Ivan, Asikainen, Timo

“…Certain limitations that have been identified in existing ionospheric prediction capabilities indicate that the deeper understanding and the accurate…”
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Long-term evolution of corrected NOAA/MEPED energetic proton fluxes and their relation to geomagnetic indices by Asikainen, Timo, Mursula, Kalevi

“…We study the relationship between energetic 120–250keV proton fluxes and geomagnetic Ap, AE, Dxt indices using the recently corrected measurements of the MEPED…”
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Long‐Term Prediction of Sudden Stratospheric Warmings With Geomagnetic and Solar Activity by Vokhmyanin, Mikhail, Asikainen, Timo, Salminen, Antti, Mursula, Kalevi

“…The polar vortex is a strong jet of westerly wind which forms each winter around the polar stratosphere. Sometimes, roughly every other winter, the polar…”
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