• 1046 引用
  • 17 h指数
19962020

Research output per year

Pureに変更を加えた場合、すぐここに表示されます。

研究成果

フィルター
記事
記事

A case study of ionospheric storm effects during long-lasting southward IMF Bz-driven geomagnetic storm

Liu, J., Liu, L., Nakamura, T., Zhao, B., Ning, B. & Yoshikawa, A., 1 1 2014, : : Journal of Geophysical Research: Space Physics. 119, 9, p. 7716-7731 16 p.

研究成果: ジャーナルへの寄稿記事

15 引用 (Scopus)

AKR modulation and global Pi2 oscillation

Uozumi, T., Yumoto, K., Tokunaga, T., Solovyev, S. I., Shevtsov, B. M., Marshall, R., Liou, K., Ohtani, S., Abe, S., Ikeda, A., Kitamura, K., Yoshikawa, A., Kawano, H. & Itonaga, M., 1 1 2011, : : Journal of Geophysical Research: Space Physics. 116, 6, A06214.

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

Analysis of Magnetic Field Variations Produced by Equatorial Electro-Jets

López, E., Aldás, F. & Yoshikawa, A., 1 1 2017, : : Proceedings of the International Astronomical Union. 13, S335, p. 125-127 3 p.

研究成果: ジャーナルへの寄稿記事

Analysis of propagation delays of compressional Pi 2 waves between geosynchronous altitude and low latitudes

Imajo, S., Yumoto, K., Uozumi, T., Kawano, H., Abe, S., Ikeda, A., Koga, K., Matsumoto, H., Obara, T., Marshall, R., Akulichev, V. A., Mahrous, A., Liedloff, A. & Yoshikawa, A., 1 1 2014, : : earth, planets and space. 66, 1, 20.

研究成果: ジャーナルへの寄稿記事

公開
2 引用 (Scopus)

An application of the finite length Cowling channel model to auroral arcs with longitudinal variations

Fujii, R., Amm, O., Vanhamaki, H. A., Yoshikawa, A. & Ieda, A., 12 7 2012, : : Journal of Geophysical Research: Space Physics. 117, 11, A11217.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

An empirical model of the quiet daily geomagnetic field variation

Yamazaki, Y., Yumoto, K., Cardinal, M. G., Fraser, B. J., Hattori, P., Kakinami, Y., Liu, J. Y., Lynn, K. J. W., Marshall, R., McNamara, D., Nagatsuma, T., Nikiforov, V. M., Otadoy, R. E., Ruhimat, M., Shevtsov, B. M., Shiokawa, K., Abe, S., Uozumi, T. & Yoshikawa, A., 1 1 2011, : : Journal of Geophysical Research: Space Physics. 116, 10, A10312.

研究成果: ジャーナルへの寄稿記事

40 引用 (Scopus)

A new index to monitor temporal and long-term variations of the equatorial electrojet by MAGDAS/CPMN real-time data: EE-index

Uozumi, T., Yumoto, K., Kitamura, K., Abe, S., Kakinami, Y., Shinohara, M., Yoshikawa, A., Kawano, H., Ueno, T., Tokunaga, T., McNamara, D., Ishituka, J. K., Dutra, S. L. G., Damtie, B., Doumbia, V., Obrou, O., Rabiu, A. B., Adimula, I. A., Othman, M., Fairos, M. および1人, Otadoy, R. E. S., 1 1 2008, : : earth, planets and space. 60, 7, p. 785-790 6 p.

研究成果: ジャーナルへの寄稿記事

18 引用 (Scopus)

Anomalous ULF emissions and their possible association with the strong earthquakes in sumatra, Indonesia, during 2007-2012

Ahadi, S., Puspito, N. T., Ibrahim, G., Saroso, S., Yumoto, K., Yoshikawa, A. & Muzli, L., 1 1 2015, : : Journal of Mathematical and Fundamental Sciences. 47, 1, p. 84-103 20 p.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

A numerical simulation of the Pi2 pulsations associated with the substorm current wedge

Fujita, S., Nakata, H., Itonaga, M., Yoshikawa, A. & Mizuta, T., 1 1 2002, : : Journal of Geophysical Research: Space Physics. 107, A3, 1034.

研究成果: ジャーナルへの寄稿記事

42 引用 (Scopus)

Application of a global magnetospheric-ionospheric current model for dayside and terminator Pi2 pulsations

Imajo, S., Yoshikawa, A., Uozumi, T., Ohtani, S., Nakamizo, A. & Chi, P. J., 8 2017, : : Journal of Geophysical Research: Space Physics. 122, 8, p. 8589-8603 15 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Application of solar quiet (Sq) current in determining mantle conductivity-depth structure in Malaysia

Abidin, Z. Z., Jusoh, M. H., Abbas, M. & Yoshikawa, A., 10 1 2019, : : Journal of Atmospheric and Solar-Terrestrial Physics. 192, 104776.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Approximate forms of daytime ionospheric conductance

Ieda, A., Oyama, S., Vanhamäki, H., Fujii, R., Nakamizo, A., Amm, O., Hori, T., Takeda, M., Ueno, G., Yoshikawa, A., Redmon, R. J., Denig, W. F., Kamide, Y. & Nishitani, N., 12 2014, : : Journal of Geophysical Research: Space Physics. 119, 12, p. 10,397-10,415

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)
10 引用 (Scopus)

A significant mass density increase during a large magnetic storm in October 2003 obtained by ground-based ULF observations at L~1.4

Takasaki, S., Kawano, H., Tanaka, Y., Yoshikawa, A., Seto, M., Iizima, M., Obana, Y., Sato, N., Yumoto, K. & Yumoto, K., 1 1 2006, : : earth, planets and space. 58, 5, p. 617-622 6 p.

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

Assessment of signal processing methods for geomagnetic precursor of the 2012 M6.9 Visayas, Philippines earthquake

Yusof, K. A., Abdul Hamid, N. S., Abdullah, M., Ahadi, S. & Yoshikawa, A., 10 1 2019, : : Acta Geophysica. 67, 5, p. 1297-1306 10 p.

研究成果: ジャーナルへの寄稿記事

A statistical investigation of the Cowling channel efficiency in the auroral zone

Amm, O., Fujii, R., Kauristie, K., Aikio, A., Yoshikawa, A., Ieda, A. & Vanhamaki, H. A., 1 1 2011, : : Journal of Geophysical Research: Space Physics. 116, 2, A02304.

研究成果: ジャーナルへの寄稿記事

19 引用 (Scopus)

A wave equation describing the generation of field-aligned current in the magnetosphere

Itonaga, M., Yoshikawa, A., Fujita, S. & Fujita, S., 8 1 2000, : : earth, planets and space. 52, 7, p. 503-507 5 p.

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

Capacity building: A tool for advancing space weather science

Cardinal, M. G., Yoshikawa, A., Kawano, H., Liu, H., Watanabe, M., Abe, S., Uozumi, T., Maeda, G., Hada, T. & Yumoto, K., 1 1 2015, : : Space Weather. 12, 10, p. 571-576 6 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Characteristics of counter-Sq SFE (SFE) at the dip equator CPMN stations A05306

Yamazaki, Y., Yumoto, K., Yoshikawa, A., Watari, S. & Utada, H., 5 1 2009, : : Journal of Geophysical Research: Space Physics. 114, 5, A05306.

研究成果: ジャーナルへの寄稿記事

10 引用 (Scopus)

Characteristics of energy transfer of Pi 2 magnetic pulsations: Latitudinal dependence

Uozumi, T., Yumoto, K., Kawano, H., Yoshikawa, A., Olson, J. V., Solovyev, S. I. & Vershinin, E. F., 6 1 2000, : : Geophysical Research Letters. 27, 11, p. 1619-1622 4 p.

研究成果: ジャーナルへの寄稿記事

32 引用 (Scopus)

Contribution of storm time substorms to the prompt electric field disturbances in the equatorial ionosphere

Hui, D., Chakrabarty, D., Sekar, R., Reeves, G. D., Yoshikawa, A. & Shiokawa, K., 5 1 2017, : : Journal of Geophysical Research: Space Physics. 122, 5, p. 5568-5578 11 p.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

Coupling of electrons and inertial Alfven waves in the topside ionosphere

Shi, R., Liu, H., Yoshikawa, A., Zhang, B. & Ni, B., 1 1 2013, : : Journal of Geophysical Research: Space Physics. 118, 6, p. 2903-2910 8 p.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

Data processing method to classify Pc5 ULF pulsations due to solar wind perturbations at equatorial region

Ahmad, S. N. A., Jusoh, M. H., Shariff, K. K. M., Abdullah, M., Asillam, M. F., Veenadhari, B., Uozumi, T., Abe, S., Yoshikawa, A. & Cardinal, M. G., 2014, : : WSEAS Transactions on Signal Processing. 10, 1, p. 337-344 8 p.

研究成果: ジャーナルへの寄稿記事

Deformation of Ionospheric Potential Pattern by Ionospheric Hall Polarization

Nakamizo, A. & Yoshikawa, A., 9 1 2019, : : Journal of Geophysical Research: Space Physics. 124, 9, p. 7553-7580 28 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

Eastward-expanding auroral surges observed in the post-midnight sector during a multiple-onset substorm

Tanaka, Y., Ogawa, Y., Kadokura, A., Partamies, N., Whiter, D., Enell, C. F., Brändström, U., Sergienko, T., Gustavsson, B., Kozlovsky, A., Miyaoka, H. & Yoshikawa, A., 12 1 2015, : : earth, planets and space. 67, 1, 182.

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

Eigenmode analysis of field line oscillations interacting with the ionosphere-atmosphere-solid earth electromagnetic coupled system

Yoshikawa, A., Itonaga, M., Fujita, S., Nakata, H. & Yumoto, K., 1 1 1999, : : Journal of Geophysical Research: Space Physics. 104, A12, p. 28437-28457 21 p., 1999JA900287.

研究成果: ジャーナルへの寄稿記事

28 引用 (Scopus)

Empirical model of equatorial electrojet based on ground-based magnetometer data during solar minimum in fall 3. Space science

Hamid, N. S. A., Liu, H., Uozumi, T. & Yoshikawa, A., 12 1 2015, : : earth, planets and space. 67, 1, 205.

研究成果: ジャーナルへの寄稿記事

12 引用 (Scopus)

Equivalent current systems for the annual and semiannual Sq variations observed along the 210°MM CPMN stations

Yamazaki, Y., Yumoto, K., Uozumi, T., Yoshikawa, A. & Cardinal, M. G., 1 1 2009, : : Journal of Geophysical Research: Space Physics. 114, 12, A12320.

研究成果: ジャーナルへの寄稿記事

14 引用 (Scopus)

ERG - A small-satellite mission to investigate the dynamics of the inner magnetosphere

Shiokawa, K., Seki, K., Miyoshi, Y., Ieda, A., Ono, T., Iizima, M., Nagatsuma, T., Obara, T., Takashima, T., Asamura, K., Kasaba, Y., Matsuoka, A., Saito, Y., Saito, H., Hirahara, M., Tonegawa, Y., Toyama, F., Tanaka, M., Nose, M., Kasahara, Y. および7人, Yumoto, K., Kawano, H., Yoshikawa, A., Ebihara, Y., Yukimatsu, A., Sato, N. & Watanabe, S., 1 1 2006, : : Advances in Space Research. 38, 8, p. 1861-1869 9 p.

研究成果: ジャーナルへの寄稿記事

13 引用 (Scopus)

Evolution of the current system during solar wind pressure pulses based on aurora and magnetometer observations

Nishimura, Y., Kikuchi, T., Ebihara, Y., Yoshikawa, A., Imajo, S., Li, W. & Utada, H., 12 1 2016, : : earth, planets and space. 68, 1, 144.

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)
16 引用 (Scopus)

Features of horizontal magnetic field intensity over northern island of Malaysia

Abbas, M., Abidin, Z. Z., Jusoh, M. H., Bolaji, O. S. & Yoshikawa, A., 10 1 2019, : : Indian Journal of Physics. 93, 10, p. 1247-1257 11 p.

研究成果: ジャーナルへの寄稿記事

Features of the inter-hemispheric field-aligned current system over Malaysia ionosphere

Abidin, Z. Z., Jusoh, M. H., Abbas, M., Bolaji, O. S. & Yoshikawa, A., 10 1 2019, : : Journal of Atmospheric and Solar-Terrestrial Physics. 192, 104769.

研究成果: ジャーナルへの寄稿記事

First geomagnetic observation at sabah, malaysia by using MAGDAS array

Ibrahim, S. N., Jusoh, M. H., Sulaiman, A. A., Ahmad, S. N. A., Makmud, M. Z. H., Musta, B., Abdullah, M., Asillam, M. F., Pathy, N. B., Hashim, M. H. & Akimasa, Y., 1 1 2017, : : International Journal of Simulation: Systems, Science and Technology. 17, 41, p. 30.1-30.8

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

Flapping current sheet with superposed waves seen in space and on the ground

Wang, G. Q., Volwerk, M., Nakamura, R., Boakes, P., Zhang, T. L., Yoshikawa, A. & Baishev, D. G., 12 2014, : : Journal of Geophysical Research: Space Physics. 119, 12, p. 10,078-10,091

研究成果: ジャーナルへの寄稿記事

11 引用 (Scopus)

Formation of a 3-D Oscillatory Current System Associated With Global High-Correlation Pi 2 Event: A Case Study

Uozumi, T., Yoshikawa, A. & Ohtani, S., 1 1 2020, : : Journal of Geophysical Research: Space Physics. 125, 1, e2019JA026988.

研究成果: ジャーナルへの寄稿記事

General solution for calculating polarization electric fields in the auroral ionosphere and application examples

Amm, O., Fujii, R., Vanhamaki, H. A., Yoshikawa, A. & Ieda, A., 1 1 2013, : : Journal of Geophysical Research: Space Physics. 118, 5, p. 2428-2437 10 p.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

Generation of different long-period geomagnetic pulsations during a sudden impulse

Moiseyev, A. V., Popov, V. I., Mullayarov, V. A., Samsonov, S. N., Du, A. & Yoshikawa, A., 7 25 2015, : : Cosmic Research. 53, 4, p. 257-266 10 p.

研究成果: ジャーナルへの寄稿記事

Generation of Electron Acoustic Waves in the Topside Ionosphere From Coupling With Kinetic Alfven Waves: A New Electron Energization Mechanism

Shi, R., Ni, B., Summers, D., Liu, H., Yoshikawa, A. & Zhang, B., 6 16 2018, : : Geophysical Research Letters. 45, 11, p. 5299-5304 6 p.

研究成果: ジャーナルへの寄稿記事

Global Distribution of ULF Waves During Magnetic Storms: Comparison of Arase, Ground Observations, and BATSRUS + CRCM Simulation

Takahashi, N., Seki, K., Teramoto, M., Fok, M. C., Zheng, Y., Matsuoka, A., Higashio, N., Shiokawa, K., Baishev, D., Yoshikawa, A. & Nagatsuma, T., 9 28 2018, : : Geophysical Research Letters. 45, 18, p. 9390-9397 8 p.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Global features of Pi 2 pulsations obtained by independent component analysis

Tokunaga, T., Kohta, H., Yoshikawa, A., Uozumi, T. & Yumoto, K., 7 28 2007, : : Geophysical Research Letters. 34, 14, L14106.

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

Ground magnetic effects of the equatorial electrojet simulated by the TIE-GCM driven by TIMED satellite data

Yamazaki, Y., Richmond, A. D., Maute, A., Wu, Q., Ortland, D. A., Yoshikawa, A., Adimula, I. A., Rabiu, B., Kunitake, M. & Tsugawa, T., 1 1 2014, : : Journal of Geophysical Research: Space Physics. 119, 4, p. 3150-3161 12 p.

研究成果: ジャーナルへの寄稿記事

14 引用 (Scopus)

Ground magnetic perturbations associated with the standing toroidal mode oscillations in the magnetosphere-ionosphere system

Nakata, H., Fujita, S., Yoshikawa, A., Itonaga, M. & Yumoto, K., 1 1 2000, : : earth, planets and space. 52, 9, p. 601-613 13 p.

研究成果: ジャーナルへの寄稿記事

12 引用 (Scopus)

Hall-induced inductive shielding effect on geomagnetic pulsations

Yoshikawa, A., Obana, Y., Shinohara, M., Itonaga, M. & Yumoto, K., 4 15 2002, : : Geophysical Research Letters. 29, 8, p. 107-1 - 107-4

研究成果: ジャーナルへの寄稿記事

13 引用 (Scopus)

Hall-induced inductive shielding effect on geomagnetic pulsations

Yoshikawa, A., Obana, Y., Shinohara, M., Itonaga, M. & Yumoto, K., 4 15 2002, : : Geophysical Research Letters. 29, 8, p. 107-1-107-4

研究成果: ジャーナルへの寄稿記事

High-latitude Pi2 pulsations associated with kink-like neutral sheet oscillations

Wang, G. Q., Volwerk, M., Zhang, T. L., Schmid, D. & Yoshikawa, A., 3 1 2017, : : Journal of Geophysical Research: Space Physics. 122, 3, p. 2889-2899 11 p.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

Horizontal amplitude and phase structure of low-latitude Pc 3 pulsations around the dawn terminator A11308

Tanaka, Y. M., Yumoto, K., Yoshikawa, A., Itonaga, M., Shinohara, M., Takasaki, S. & Fraser, B. J., 11 1 2007, : : Journal of Geophysical Research: Space Physics. 112, 11, A11308.

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)
11 引用 (Scopus)

Illustration of Cowling channel coupling to the shear Alfven wave

Yoshikawa, A., Amm, O., Vanhamäki, H. & Fujii, R., 10 2013, : : Journal of Geophysical Research: Space Physics. 118, 10, p. 6405-6415 11 p.

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)