F-REGION

作品数：6被引量：5H指数：1
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相关领域：天文地球更多>>
相关作者：龚韵更多>>
相关机构：武汉大学更多>>
相关期刊：《Wuhan University Journal of Natural Sciences》《Earth and Planetary Physics》《Advances in Polar Science》《Artificial Intelligence in Geosciences》更多>>
相关基金：国家自然科学基金国家教育部博士点基金中国博士后科学基金更多>>
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Ionospheric F-region currents estimated from Macao Science Satellite-1 and Swarm satellite magnetic data
《Earth and Planetary Physics》2025年第3期731-739,共9页JuYuan Xu HongBo Yao Keke Zhang 
supported by the National Natural Science Foundation of China (42250101);the Macao Foundation. The computation made use of the high-performance computing resources at the center of the MSS data processing and analysis。
Accurate modeling of Earth's ionospheric F-region currents is essential for refining geomagnetic field models and understanding magnetosphere-ionosphere coupling.In this study,we develop averaged models to characteriz...
关键词：Macao Science Satellite-1 SWARM field-aligned currents GEOMAGNETISM ionosphere 
Estimation of dusk time F-region electron density vertical profiles using LSTM neural networks:A preliminary investigation
《Artificial Intelligence in Geosciences》2023年第1期209-219,共11页Lucas Alves Salles Paulo Renato Pereira Silva Guilherme Schwinn Fagundes Jonas Sousasantos Alison Moraes 
CAPES scholarships 88887.570088/2020-00 and 88887.634447/2021-00 and worked on this research in collaboration to the framework CNPq 465648/2014-2 and FAPESP 2017/01150-0.GSF;AOM are supported by CNPq awards 165561/2023-8 and 309389/2021-6 respectively;PRPS and JS were supported by CAPES awards 850937/2023-00 and 88887.901203/2023-00 respectively;JS also acknowledges FAPESP 2018/06158-9.
The vertical profile of the ionosphere density plays a significant role in the development of low-latitude Equatorial Plasma Bubbles(EPBs),that in turn lead to ionospheric scintillation which can severely degrade prec...
关键词：Ionosphere density Equatorial plasma bubbles(EPBs) Ionospheric scintillation Global navigation satellite system(GNSS) Neural network modeling 
Model Simulation of Artificial Heating of the Daytime High-Latitude F-Region Ionosphere by Powerful High-Frequency Radio Waves被引量：1
《International Journal of Geosciences》2014年第4期363-374,共12页Galina Mingaleva Victor Mingalev 
The large-scale disturbance of the spatial structure of the daytime high-latitude F-region ionosphere, caused by powerful high-frequency radio waves, pumped into the ionosphere by a groundbased ionospheric heater, is ...
关键词：HIGH-LATITUDE IONOSPHERE Active Experiments Modeling and Forecasting Plasma Temperature and Density 
Study of ionospheric disturbances during solar flare events using the SuperDARN Hokkaido radar
《Advances in Polar Science》2013年第1期12-18,共7页Daiki Watanabe Nozomu Nishitani 
supported by a Grant-in-Aid for Scientific Research,of the Ministry of Education,Culture,Sports,Science and Technology of Japan(Grant no.19340141);by Special Funds for Education and Research(Energy Transport Processes in Geospace)of the Ministry of Education,Culture,Sports,Science and Technology of Japan
It is well known that many types of ionospheric disturbances occur during solar flare events. The sudden increase in total electron content （SITEC） has been studied for several decades, but total electron content （...
关键词：solar flare SuperDARN Hokkaido radar Doppler shift D-REGION F-REGION GOES satellite 
Assessing Doppler velocities of Rankin Inlet F-region echoes
《Advances in Polar Science》2013年第1期50-59,共10页Alexander V Koustov Kale Colville Robyn A D Fiori Mohsen Ghezelbash 
supported by NSERC Discovery grant to AVK and the University of Saskatchewan graduate stipend to MG
Doppler velocities observed by the Rankin Inlet （RKN） PolarDARN radar are assessed with a focus on data in the beams oriented roughly along the magnetic meridian. Hourly scatter plots for every month are built. They...
关键词：PolarDARN radars Doppler velocity seasonal and magnetic local time variations 
A Simulation Study of Ionization Depletion in the Auroral Ionospheric F-Region Caused by Strong Convection Electric Field被引量：4
《Wuhan University Journal of Natural Sciences》2001年第3期680-686,共7页Cai Hong-tao Ma Shu-ying G. Kirchengast 
the National Natural Science Foundation of China (496742 41;40 0 740 3 9) and the Research Fund forthe Doctoral Program of Higher Education in China
THe effects of strong convection electric field on the electron density in the auroral ionosphericF-region have been simulated numerically by means of a physical model. It is found that an enhancement of electric fiel...
关键词：auroral ionosphere ionospheric model numerical simulation convection electric field ionization depletion 
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