Results 71 to 80 of about 5,935 (192)
Antarctic Record, 1971 From February 1968 to January 1969, cosmic ray nucleonic component was observed at Syowa Station, Antarctica (69°00'S, 39°35'E), using a duplicate set of 5-NM-64 super neutron monitor with a multiplicity meter.
Tomoshige SUDA, Masahiro KODAMA
doaj +1 more source
Rigidity spectrum of Forbush decrease [PDF]
Using data from neutron monitors and muon telescopes at surface and underground stations, the average rigidity spectrum of Forbush decreases (Fds) during the period of 1978-1982 were obtained. Thirty eight Ed-events are classified into two groups Hard Fd
Munakata, K. +2 more
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Space Weather, Volume 23, Issue 10, October 2025.Abstract Using observations from the National Space Weather Laboratory's (LANCE acronym in Spanish) ground‐based network, we characterize regional space weather conditions in Mexico during the solar minimum 24/25 (2018–2020). Data analyzed include regional geomagnetic indices (the regional K index, Kmex, and Δ ${\Delta }$H), ionospheric Total Electron ...
J. A. Gonzalez‐Esparza +6 more
wiley +1 more source
An Improved Equivalent Circuit for Electric Field Sensors in Geophysical Exploration
Geophysical Prospecting, Volume 73, Issue 8, October 2025.ABSTRACT In electromagnetic measurements, electric field sensors consist of two halves, with remote electrodes of negative and positive polarity coupled through wires and low pass filters to the differential inputs of an analogue‐to‐digital converter; the electrical ground of the analogue‐to‐digital converter is connected to the ground through a ...
Thomas Kalscheuer +4 more
wiley +1 more source
REPORT OF COSMIC-RAY NEUTRON OBSERVATION IN THE 8TH JAPANESE ANTARCTIC RESEARCH EXPEDITION 1967-1968
Antarctic Record, 1969 At Syowa Station, Antarctica, the cosmic-ray neutron observation was made, at the initial stage, with the IGY-type neutron monitor during the period from March 1960 to December 1961.
Yoshio ISHIDA, Masahiro KODAMA
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The influences of the galactic cosmic ray on the atmospheric ozone [PDF]
The relationship between the yearly variations of cosmic ray intensity and ozone in the atmosphere, and the ozone disturbance initiated by the Forbush decrease of 1965-1976 is analyzed.
Wang, L., Xue, S., Ye, Z.
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Water Resources Research, Volume 61, Issue 9, September 2025.Abstract Most studies using cosmic‐ray neutron sensors (CRNS) for soil moisture estimation use high‐energy neutron monitor observations to correct for changes in incoming neutron intensity, but there is interest in over‐water CRNS observations and muon observations for such purposes.
David McJannet +5 more
wiley +1 more source
Toroidal models of magnetic field with twisted structure
Solar-Terrestrial Physics, 2019 We present and discuss properties of the following magnetic field models in a magnetic cloud: Miller and Turner solution, modified Miller–Turner solution, Romashets–Vandas toroidal and integral models, and Krittinatham–Ruffolo model.
Petukhova A.S., Petukhov S.I.
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Measurement of muon flux variations with scintillators in Mexico City and their correlation to solar activity [PDF]
EPJ Web of ConferencesIn this work we report the variations of the atmospheric muons flux in Mexico City. The measurements were performed from September to December 2023 at the Institute of Nuclear Sciences of UNAM, located at coordinates 19.32°N 99.18°W with an altitude of ...
Montiel Diego Martínez +5 more
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Solar and Galactic Cosmic Rays observed by SOHO
, 2015 Both the Cosmic Ray Flux (CRF) and Solar Energetic Particles (SEPs) have left an imprint on SOHO technical systems. While the solar array efficiency degraded irreversibly down to ~77% of its original level over roughly 1 1/2 solar cycles, Single Event ...
Curdt, Werner, Fleck, Bernhard
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