Organization
Institute for Space-Earth Environmental Research Designated Assistant Professor
Title
Designated Assistant Professor
LARSEN Nicholas peter
Degree 1
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PhD (Science) （ 2025.2 The University of Oulu, Finland ）
Papers 4
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Near-Earth Cosmic Ray Modulation Index ϕ and Neutron Monitor Cutoff Rigidities at Hourly Cadence: Toward an Improved Monitoring of Solar-Terrestrial Radiation Environment, Space Weather, and Space Climate Reviewed International coauthorship Open Access
Väisänen, P., Larsen, N., Koldobskiy, S., Similä, M., Pelosi, D., & Orcinha, M.
Journal of Geophysical Research: Space Physics 2026.7
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Reduced Geomagnetic Shielding During the Laschamps Excursion and Its Impact on Cosmic-Ray-Induced Atmospheric Radiation Reviewed International coauthorship Open Access
Larsen, N. and Usoskin, I. and Mishev, A. and Koldobskiy, S. and Väisänen, P.
Journal of Geophysical Research: Space Physics 2026.2
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Neutron monitor based incoming flux correction for cosmic-ray neutron sensing of environmental water Reviewed International coauthorship Open Access
Hertle, L., Zacharias, S., Larsen, N., Rasche, D., McJannet, D., & Schrön, M.
Water Resources Research 2025.8
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The High-Energy Protons of the Ground Level Enhancement (GLE74) Event on 11 May 2024 Reviewed International coauthorship Open Access
A. Papaioannou, A. Mishev, I. Usoskin, B. Heber, R. Vainio, N. Larsen, M. Jarry, A. P. Rouillard, N. Talebpour Sheshvan, M. Laurenza, M. Dumbović, G. Vasalos, J. Gieseler, S. Koldobskiy, O. Raukunen, C. Palmroos, M. Hörlöck, M. Köberle, R. F. Wimmer-Schweingruber, A. Anastasiadis, P. Kühl & E. Lavasa
Solar Physics 2025.5
Presentations 4
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Reassessment of the Tsyganenko 1989 Model and Storm-time Applications International conference
Nicholas Larsen
The 10th Asia Research Node (ARN) Symposium on Humanosphere Science 2025.9.18
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Revisiting the Tsyganenko 1989 Magnetospheric Model and its Extension to Storm Conditions International conference
Nicholas Larsen
Space Climate 10 2026.6.12 The University of Oulu
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Worst-case space weather scenarios for aircraft radiation exposure Invited International conference
2025.10.2
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Aviation Radiation Monitoring and Modelling via Citizen Science Invited International conference
Nicholas Larsen
Astronomy and Citizen Science 2025.9.25 Inter-University Research Institute for Human Cultures, Nagoya University