序贯地磁风暴作为单一和独立实体的分析

Amita Raizada, G. Purohit, R. Pal, Smita Sharma
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引用次数: 0

摘要

研究了在24小时时间间隔内相继发生的地磁风暴或在前一次地磁风暴结束前发生的地磁风暴。仅选取Dst指数低于-100nT的地磁暴,选取的时段为1996 ~ 2006年。调查采用两种方法:1)单独考虑每一次风暴;2)将连续发生的风暴视为单一风暴并评估其累积效应。为此,观测太阳和行星际数据,如太阳风速度、行星际磁场等,并与Dst指数进行相关。因此,对两种调查方式进行了比较和分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of Sequential Geomagnetic storms as Single and Separate Entity
The Geomagnetic Storms which occur one after the other within the time gap of 24 hours or which occur before the previous one has ended are investigated. Only those Geomagnetic storms for which Dst index falls below -100nT are chosen and the period selected is from 1996 to 2006. The investigation is done in two ways: 1) by considering each storm separately and 2) by considering the storms occurring in succession as single storm and assessing their cumulated effect. For doing so, the solar and interplanetary data like solar wind speed, interplanetary magnetic field etc. are observed and correlated with Dst index. Thus, the two ways of investigations are compared and analyzed.
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