PhD (Science) （ 2025年2月   The University of Oulu, Finland ） 

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 査読有り 国際共著 Open Access

Väisänen, P., Larsen, N., Koldobskiy, S., Similä, M., Pelosi, D., & Orcinha, M.

Journal of Geophysical Research: Space Physics     2026年7月

Reduced Geomagnetic Shielding During the Laschamps Excursion and Its Impact on Cosmic-Ray-Induced Atmospheric Radiation 査読有り 国際共著 Open Access

Larsen, N. and Usoskin, I. and Mishev, A. and Koldobskiy, S. and Väisänen, P.

Journal of Geophysical Research: Space Physics     2026年2月

Neutron monitor based incoming flux correction for cosmic-ray neutron sensing of environmental water 査読有り 国際共著 Open Access

Hertle, L., Zacharias, S., Larsen, N., Rasche, D., McJannet, D., & Schrön, M.

Water Resources Research     2025年8月

The High-Energy Protons of the Ground Level Enhancement (GLE74) Event on 11 May 2024 査読有り 国際共著 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年5月

Reassessment of the Tsyganenko 1989 Model and Storm-time Applications 国際会議

Nicholas Larsen

The 10th Asia Research Node (ARN) Symposium on Humanosphere Science  2025年9月18日 

Revisiting the Tsyganenko 1989 Magnetospheric Model and its Extension to Storm Conditions 国際会議

Nicholas Larsen

Space Climate 10  2026年6月12日  The University of Oulu

Worst-case space weather scenarios for aircraft radiation exposure 招待有り 国際会議

2025年10月2日 

Aviation Radiation Monitoring and Modelling via Citizen Science 招待有り 国際会議

Nicholas Larsen

Astronomy and Citizen Science  2025年9月25日  Inter-University Research Institute for Human Cultures, Nagoya University