Heikki Vanhamäki

University of Oulu

Finland

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Articles (20)

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2025

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2025

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2023

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2022

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2021

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2021

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2020

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2020

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2020

Collaborators (14)

N. Nishitani

JAPAN

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Lei Cai

University of Oulu

FINLAND

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Patrick Espy

Professor

Norges teknisk-naturvitenskapelige universitet

NORWAY

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Takeshi Sakanoi

Associate Professor

Tohoku University

JAPAN

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Yoshizumi Miyoshi

Nagoya University

JAPAN

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Jone P. Reistad

NORWAY

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Elena Marshalko

Finnish Meteorological Institute

FINLAND

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I. I. Virtanen

FINLAND

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Nickolay Ivchenko

KTH Royal Institute of Technology

SWEDEN

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Abiyot Bires Workayehu

University of Helsinki

FINLAND

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V. G. Merkin

UNITED STATES

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Spencer Hatch

NORWAY

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Atsuki Shinbori

Nagoya University

JAPAN

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Kareem Sorathia

UNITED STATES

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Heikki Vanhamäki

Research Interests

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Articles (20)

Modeling Regional Electric Field Using EISCAT3D Observations

Geomagnetic Activity Dependence of the Auroral Electron Precipitation Spectrum at High Latitudes

Estimation of the 3-D geoelectric field at the Earth's surface using spherical elementary current systems

EISCAT Observations of Depleted High‐Latitude F‐Region During an HSS/SIR‐Driven Magnetic Storm

Effect of Polar Cap Patches on the High‐Latitude Upper Thermospheric Winds

Volumetric Reconstruction of Ionospheric Electric Currents From Tri‐Static Incoherent Scatter Radar Measurements

Total Electron Content Variations During an HSS/SIR‐Driven Geomagnetic Storm at High and Mid Latitudes

Rapid Geomagnetic Variations During High‐Speed Stream, Sheath and Magnetic Cloud‐Driven Geomagnetic Storms From 1996 to 2023

The Polarity of IMF By Strongly Modulates Particle Precipitation During High‐Speed Streams

Does high-latitude ionospheric electrodynamics exhibit hemispheric mirror symmetry?

IMF Dependence of Midnight Bifurcation in the Thermospheric Wind at an Auroral Latitude Based on Nine Winter Measurements in Tromsø, Norway

Comparison of Field‐Aligned Current Responses to HSS/SIR, Sheath, and Magnetic Cloud Driven Geomagnetic Storms

Spatial Resolution in Inverse Problems: The EZIE Satellite Mission

Effect of ICME‐Driven Storms on Field‐Aligned and Ionospheric Currents From AMPERE and SuperMAG

Field‐Aligned and Ionospheric Currents by AMPERE and SuperMAG During HSS/SIR‐Driven Storms

Effect of Interplanetary Magnetic Field on Hemispheric Asymmetry in Ionospheric Horizontal and Field‐Aligned Currents During Different Seasons

Electrojet Estimates From Mesospheric Magnetic Field Measurements

Dipolar elementary current systems for ionospheric current reconstruction at low and middle latitudes

An Ephemeral Red Arc Appeared at 68° MLat at a Pseudo Breakup During Geomagnetically Quiet Conditions

Seasonal Effect on Hemispheric Asymmetry in Ionospheric Horizontal and Field‐Aligned Currents

Collaborators (14)

N. Nishitani

Lei Cai

Patrick Espy

Takeshi Sakanoi

Yoshizumi Miyoshi

Jone P. Reistad

Elena Marshalko

I. I. Virtanen

Nickolay Ivchenko

Abiyot Bires Workayehu

V. G. Merkin

Spencer Hatch

Atsuki Shinbori

Kareem Sorathia

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