Current status and possible extension of the global neutron monitor network

Alexander Mishev, Ilya Usoskin
2020 Journal of Space Weather and Space Climate  
The global neutron monitor network is successfully used over several decades to study cosmic ray variations and fluxes of energetic solar particles. It is used also for space weather purposes, e.g. alerts and assessment of the exposure to radiation. In this study, we present the current status of the global neutron monitor network. We discuss the ability of the global neutron monitor network to study solar energetic particles, specifically during large ground level enhancements. For the first
more » ... ts. For the first time using a verified neutron monitor yield function and improved calibrated method for data analysis, we provide a revised solar proton spectra and angular distribution of previously studied with other methods: GLE #5 and GLE #69 at different stages of the events. Using the reconstructed spectra and a proper model, we computed the effective dose over the globe at typical commercial jet flight altitude of 40 kft. We demonstrate that in the case of large gound level enhancements, solar protons can pose an important space weather thread. In order to improve the usefulness of the global neutron monitor network to study solar energetic particles, we consider a possibility of expansion of the existing network with several new stations.
doi:10.1051/swsc/2020020 fatcat:l6z76mlulnhy3imivs3p3mx3iy