Effect of solar wind velocity on magnetic cloud-associated magnetic storm intensity
نویسندگان
چکیده
منابع مشابه
April 2000 magnetic storm: Solar wind driver and magnetospheric response
[1] On 4 April 2000, a coronal mass ejection (CME) took place close to the western limb of the Sun. The shock front of the CME hit the Earth’s magnetosphere on 6 April. A strong interplanetary southward BZ event in the sheath region caused a magnetic storm that was the second strongest in the year 2000 if quantified by the peak of the Dst index. We have analyzed this sequence of events using ob...
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The presented results, concerning the features of the solar wind plasma structure as observed by spacecraft upstream of Earth, could be used for development of middle-term forecasts of magnetic storms. We have analyzed 1-hour data for 1995-2005 and a whole year of 1-min data during solar minimum (1995) and during solar maximum (2000) with 48 and 60 storms, respectively. The long-term statistica...
متن کاملSolar Wind Anr Interplanetary Magnetic Field
1. Basic Concepts 2. Sun and Heliosphere at Times of Solar Activity Minimum 2.1. Typical Solar Wind and its Sources 2.2. The Ballerina Model 2.3. Solar Wind Stream Structure 2.4. The Two Basic States of the Solar Wind 2.4.1. Differences 2.4.2. Communities 2.5. Solar Wind Acceleration and Expansion 2.6. Solar Wind Streams and Their Interactions 2.6.1. Corotating Interaction Regions in the Inner ...
متن کاملEffect of magnetic storm intensity on Pc1 activity at high and mid-latitudes
We study the properties of structured and unstructured Pc1 pulsations at a highlatitude station (Sodankylä; L=5.1) and a mid-latitude station (Nurmijärvi; L=3.3) during 18 storms occurring in low solar activity years. The storms were divided into two groups according to the their intensity as measured by the minimum value of the Dst index. Pc1 activity was studied from the day of storm sudden c...
متن کاملThe Solar Wind Power from Magnetic Flux
Observations of the fast, high-latitude solar wind throughout Ulysses’ three orbits show that solar wind power correlates remarkably well with the Sun’s total open magnetic flux. These observations support a recent model of the solar wind energy and particle sources, where magnetic flux emergence naturally leads to an energy flux proportional to the strength of the large-scale magnetic field. T...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research
سال: 2002
ISSN: 0148-0227
DOI: 10.1029/2002ja009396