Hasil Pencarian - Heikki Vanhamäki

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  1. 1
    Large regional variability in geomagnetic storm effects in the auroral zone

    Large regional variability in geomagnetic storm effects in the auroral zone oleh Otto Kärhä, Eija I. Tanskanen, Heikki Vanhamäki

    Diterbitkan 2023-11-01
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  2. 2
    Dipolar elementary current systems for ionospheric current reconstruction at low and middle latitudes

    Dipolar elementary current systems for ionospheric current reconstruction at low and middle latitudes oleh Heikki Vanhamäki, Astrid Maute, Patrick Alken, Huixin Liu

    Diterbitkan 2020-10-01
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  3. 3
    Estimating the Ionospheric Induction Electric Field Using Ground Magnetometers

    Estimating the Ionospheric Induction Electric Field Using Ground Magnetometers oleh Michael Madelaire, Karl Laundal, Spencer Hatch, Heikki Vanhamäki, Jone Reistad, Anders Ohma, Viacheslav Merkin, Dong Lin

    Diterbitkan 2024-04-01
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  4. 4
    GeospaceLAB: Python package for managing and visualizing data in space physics

    GeospaceLAB: Python package for managing and visualizing data in space physics oleh Lei Cai, Anita Aikio, Anita Kullen, Yue Deng, Yongliang Zhang, Shun-Rong Zhang, Ilkka Virtanen, Heikki Vanhamäki

    Diterbitkan 2022-12-01
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  5. 5
    Asymmetry in the Earth’s magnetotail neutral sheet rotation due to IMF $$B_y$$ B y sign?

    Asymmetry in the Earth’s magnetotail neutral sheet rotation due to IMF $$B_y$$ B y sign? oleh Timo Pitkänen, Anita Kullen, Lei Cai, Jong-Sun Park, Heikki Vanhamäki, Maria Hamrin, Anita T. Aikio, G. Siung Chong, Alexandre De Spiegeleer, Quanqi Shi

    Diterbitkan 2021-01-01
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  6. 6
    Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry–Perot interferometer in Tromsø, Norway

    Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry–Perot interferometer in Tromsø, Norway oleh Shin-ichiro Oyama, Anita Aikio, Takeshi Sakanoi, Keisuke Hosokawa, Heikki Vanhamäki, Lei Cai, Ilkka Virtanen, Marcus Pedersen, Kazuo Shiokawa, Atsuki Shinbori, Nozomu Nishitani, Yasunobu Ogawa

    Diterbitkan 2023-05-01
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  7. 7
    Thermospheric wind response to a sudden ionospheric variation in the trough: event at a pseudo-breakup during geomagnetically quiet conditions

    Thermospheric wind response to a sudden ionospheric variation in the trough: event at a pseudo-breakup during geomagnetically quiet conditions oleh Shin-ichiro Oyama, Heikki Vanhamäki, Lei Cai, Anita Aikio, Michael Rietveld, Yasunobu Ogawa, Tero Raita, Mirjam Kellinsalmi, Kirsti Kauristie, Boris Kozelov, Atsuki Shinbori, Kazuo Shiokawa, Takuo T. Tsuda, Takeshi Sakanoi

    Diterbitkan 2022-10-01
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