Analysis of intense geomagnetic storm on 24 April 2023 with interplanetary parameters

IF 1.8 4区地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS

Journal of Atmospheric and Solar-Terrestrial Physics Pub Date : 2025-02-22 DOI:10.1016/j.jastp.2025.106481

Pawan Kumar , Mahender Pal , Sham Singh

引用次数: 0

Abstract

We study plasma parameters with geomagnetic indices for intense geo storms with Dst < −200 nT during the 25 solar cycle. Using planetary index (Kp) 3 h data, symmetric index (SYM/H) minute resolution data, and solar plasma measurements from multiple satellites, examine the connection of significant events of space weather that occurred on 24 April 2023 with past Geostorm occurred on 23 and 24 cycles. The statistical correlation and time series analysis study examined the relationship between plasma parameters and geomagnetic indices during major geomagnetic storms on April 24, 2023. The correlation (Cr) between solar wind (SW) pressure and interplanetary magnetic field (IMF) B and Kp, SW speed, and SYM/H have a strong positive correlation (Cr > 0.70). The findings will provide valuable insights into the relationships between interplanetary conditions and space weather dynamics, contributing to the broader understanding of Space Weather dynamics.

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2023年4月24日强烈地磁暴的行星际参数分析

我们用Dst <研究了强地暴的等离子体参数与地磁指数。−200nt在第25个太阳周期。利用行星指数（Kp） 3 h数据、对称指数（SYM/ h）分钟分辨率数据和多颗卫星的太阳等离子体测量数据，研究了2023年4月24日发生的空间天气重大事件与过去23和24周期发生的地暴的关系。利用统计相关和时间序列分析研究了2023年4月24日特大地磁风暴期间等离子体参数与地磁指数的关系。太阳风（SW）气压与行星际磁场（IMF）的相关性（Cr）与Kp、SW速度、SYM/H呈较强的正相关(Cr >；0.70)。这些发现将为行星际条件和空间天气动力学之间的关系提供有价值的见解，有助于更广泛地了解空间天气动力学。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Atmospheric and Solar-Terrestrial Physics 地学-地球化学与地球物理

CiteScore

4.10

自引率

5.30%

发文量

审稿时长

6 months

期刊介绍： The Journal of Atmospheric and Solar-Terrestrial Physics (JASTP) is an international journal concerned with the inter-disciplinary science of the Earth''s atmospheric and space environment, especially the highly varied and highly variable physical phenomena that occur in this natural laboratory and the processes that couple them. The journal covers the physical processes operating in the troposphere, stratosphere, mesosphere, thermosphere, ionosphere, magnetosphere, the Sun, interplanetary medium, and heliosphere. Phenomena occurring in other "spheres", solar influences on climate, and supporting laboratory measurements are also considered. The journal deals especially with the coupling between the different regions. Solar flares, coronal mass ejections, and other energetic events on the Sun create interesting and important perturbations in the near-Earth space environment. The physics of such "space weather" is central to the Journal of Atmospheric and Solar-Terrestrial Physics and the journal welcomes papers that lead in the direction of a predictive understanding of the coupled system. Regarding the upper atmosphere, the subjects of aeronomy, geomagnetism and geoelectricity, auroral phenomena, radio wave propagation, and plasma instabilities, are examples within the broad field of solar-terrestrial physics which emphasise the energy exchange between the solar wind, the magnetospheric and ionospheric plasmas, and the neutral gas. In the lower atmosphere, topics covered range from mesoscale to global scale dynamics, to atmospheric electricity, lightning and its effects, and to anthropogenic changes.