Zobrazeno 1 - 10
of 4 893
pro vyhledávání: '"Solar minimum"'
Autor:
A. M. Santos, G. Yang, A. A. Pimenta, C. G. M. Brum, I. S. Batista, J. H. A. Sobral, V. F. Andrioli, P. P. Batista, M. A. Abdu, J. R. Souza, P. K. Manoharan, C. Wang, H. Li, Z. Liu
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
This work presents the contribution of solar atmospheric tides (diurnal, semidiurnal, and terdiurnal modes) to the variability of the parameters critical frequency (foF2) and peak height of the F2-layer (hmF2) in the American sector during the transi
Externí odkaz:
https://doaj.org/article/143648537da249ea93bef0491ebdc1ef
Autor:
A. G. Elias, C. R. Martinis, B. F. de Haro Barbas, F. D. Medina, B. S. Zossi, M. Fagre, T. Duran
Publikováno v:
Earth and Planetary Physics, Vol 7, Iss 5, Pp 540-547 (2023)
Four extreme ultraviolet (EUV) solar radiation proxies (Magnesium II core-to-wing ratio (MgII), Lyman α flux (Fα), 10.7-cm solar radio flux (F10.7), and sunspot number (Rz)) were analyzed during the last four consecutive solar activity minima to in
Externí odkaz:
https://doaj.org/article/62abac3cada246f78186ab7901e9e198
Autor:
Jong-Min Choi, Charles Chien-Hung Lin, Rajesh Panthalingal Krishanunni, Jaeheung Park, Young-Sil Kwak, Shih-Ping Chen, Jia-Ting Lin, Min-Ti Chang
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-14 (2023)
Key points 1. F7/C2 IVM shows similar patterns of diurnal, seasonal and latitude/longitude variations of ion density to ICON IVM but with stronger magnitudes. 2. Distinct latitudinal and longitudinal variations of plasma distributions along seasons w
Externí odkaz:
https://doaj.org/article/a7fef497f70d4beda499111ac2e3f236
Autor:
Juyu Wang, Shenyi Zhang, Guohong Shen, Ying Sun, Binquan Zhang, Zheng Chang, Chunqin Wang, Donghui Hou, Zhe Yang
Publikováno v:
Aerospace, Vol 10, Iss 11, p 944 (2023)
Based on orbit detection data acquired by a positive channel Metal Oxide Semiconductor (PMOS) dose detectors on FY4-A (GEO), BD3-M15 (MEO), and YH1-01A (LEO) between November 2018 and November 2022, investigations reveal variations in total dose and
Externí odkaz:
https://doaj.org/article/7e1e5aea5f114502b5420e828edf6686
Autor:
T. W. David, Bolarinwa Adekoya, Chizurumoke Michael, Sofiat Adekoya, Omolara Adenuga, Semiu Kareem, Hamid Oladunjoye, Abayomi Ajetunmobi, Oyindamola Williams, Damilola Ogundele
Publikováno v:
Journal of Nigerian Society of Physical Sciences, Vol 4, Iss 4 (2022)
Magnetic reconnection can be used for studying the geoeffective processes in the coupled Sun–Solar wind – Magnetosphere dynamics leading to geomagnetic disturbance. In this study, 1-hour resolution solar wind plasma parameters from OMNIweb were u
Externí odkaz:
https://doaj.org/article/79be9b43e51a4a67b2a1dfaccb8fa5fc
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Publikováno v:
Atmosphere, Vol 14, Iss 3, p 514 (2023)
Plasma blobs are night-time ionospheric irregularities whose generation mechanism is still under investigation. A large number of observations highlighted several aspects of their morphology and dynamics. However, the plasma blobs have not been attri
Externí odkaz:
https://doaj.org/article/db683698e3184c2aa32fcb32da0df5b4
Autor:
Bruce Leybourne, Valentino Straser, Kenneth Jones, Hong-Chun Wu, Giovanni Gregori, Louis Hissink
Publikováno v:
Journal of Systemics, Cybernetics and Informatics, Vol 18, Iss 4, Pp 78-83 (2020)
A Radio Finding Detection Network is proposed to detect Solar Electro-Magnetic (EM) Induction effects producing an electromotive force, or voltage, across ancient electrical conducting volcanic rock complexes underlying North America. Electro-Magneti
Externí odkaz:
https://doaj.org/article/250ef5afeabb4c7fb733b7e38ea87436
Autor:
Bruce Leybourne, Valentino Straser, Hong-Chun Wu, Giovanni Gregori, Arun Bapat, Natarajan Venkatanathan, Louis Hissink
Publikováno v:
Journal of Systemics, Cybernetics and Informatics, Vol 18, Iss 4, Pp 72-77 (2020)
Forecasting large earthquakes M ≥ 6.0 with satellite monitoring and Radio Direction Finding techniques of Electro-Magnetic (EM) precursors associated with earthquakes are possible. International Earthquake and Volcano Prediction Center (www.ievpc.o
Externí odkaz:
https://doaj.org/article/ad3ba9326fb54d43a65bbe560dbfb25f
Autor:
Bruce Leybourne, Valentino Straser, Kenneth Jones, Hong-Chun Wu, Giovanni Gregori, Louis Hissink
Publikováno v:
Journal of Systemics, Cybernetics and Informatics, Vol 17, Iss 5, Pp 93-98 (2019)
A Radio Finding Detection Network is proposed to detect Solar Electro-Magnetic (EM) Induction effects producing an electromotive force, or voltage, across ancient electrical conducting volcanic rock complexes underlying North America. Electro-Magneti
Externí odkaz:
https://doaj.org/article/e3d3be4dfafb4f598d99c08731d940a9