The CME’s structure of solar wind(interplanetary magnetic field)is different from CIR’s.The two processes in which plasma and solar wind energy are injected into the Earth’s inner magnetosphere are not the same.So,...The CME’s structure of solar wind(interplanetary magnetic field)is different from CIR’s.The two processes in which plasma and solar wind energy are injected into the Earth’s inner magnetosphere are not the same.So,the variations of energetic elec- trons flux in the radiation belts are different between the storms associated with CMEs and CIRs.By using data from SAMPEX(Solar,Anomalous,and Magnetospheric Particle Explorer)satellite,we have investigated the dynamic variations of the outer radiation belt for 1.5–6.0 MeV electrons during 54 CME-driven storms and 26 CIR-driven recurrent storms.According to the superposed epoch analysis,for CME-and CIR-driven storms,when the Dst index reaches the minimum,the locations of the outer boundary move to L=4 and L=5.5,respectively.In the recovery phases,the locations of the outer boundary of the outer radiation belt are generally lower than and slightly higher than those before CME-and CIR-driven storms,respectively.We have found that the logarithmically decaying 1/e cut-off L-shell is a satisfying indicator of the outer boundary of the outer radiation belt.Furthermore,our study shows that the logarithmically decaying 1/e cut-off latitude is dependent on the Kp index in the main phases of CME-and CIR-driven storms,while in the recovery phases,there is no obvious correlation.In ad- dition,it has been shown that the locations of the peak electron flux are controlled by the minimum Dst index in the main phases of CME-driven storms.The influences of multiple storms on the electron flux of outer radiation belt have also been in- vestigated.展开更多
Visual StudioNET 开发环境本身有很多与语言无关的特性。而正是这些很优秀的开发环境特性,令Visual Studio NET成为大家认可的杰出开发工具。在这篇文章里,作者给出了他们最喜爱的一些环境特性——他们认为这是每个开发者都应该了解并...Visual StudioNET 开发环境本身有很多与语言无关的特性。而正是这些很优秀的开发环境特性,令Visual Studio NET成为大家认可的杰出开发工具。在这篇文章里,作者给出了他们最喜爱的一些环境特性——他们认为这是每个开发者都应该了解并且称赞的特性。其中包括:调试存储过程支持、项目引用管理、类似图中的元数据(metadata)、借助于宏来自定义开发环境的程序设计等等。读者可以在CSDN网站《程序员》频道下载本文中的示例代码。展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.40831061,41074117)the Specialized Research Fund for State Key Laboratories
文摘The CME’s structure of solar wind(interplanetary magnetic field)is different from CIR’s.The two processes in which plasma and solar wind energy are injected into the Earth’s inner magnetosphere are not the same.So,the variations of energetic elec- trons flux in the radiation belts are different between the storms associated with CMEs and CIRs.By using data from SAMPEX(Solar,Anomalous,and Magnetospheric Particle Explorer)satellite,we have investigated the dynamic variations of the outer radiation belt for 1.5–6.0 MeV electrons during 54 CME-driven storms and 26 CIR-driven recurrent storms.According to the superposed epoch analysis,for CME-and CIR-driven storms,when the Dst index reaches the minimum,the locations of the outer boundary move to L=4 and L=5.5,respectively.In the recovery phases,the locations of the outer boundary of the outer radiation belt are generally lower than and slightly higher than those before CME-and CIR-driven storms,respectively.We have found that the logarithmically decaying 1/e cut-off L-shell is a satisfying indicator of the outer boundary of the outer radiation belt.Furthermore,our study shows that the logarithmically decaying 1/e cut-off latitude is dependent on the Kp index in the main phases of CME-and CIR-driven storms,while in the recovery phases,there is no obvious correlation.In ad- dition,it has been shown that the locations of the peak electron flux are controlled by the minimum Dst index in the main phases of CME-driven storms.The influences of multiple storms on the electron flux of outer radiation belt have also been in- vestigated.
文摘Visual StudioNET 开发环境本身有很多与语言无关的特性。而正是这些很优秀的开发环境特性,令Visual Studio NET成为大家认可的杰出开发工具。在这篇文章里,作者给出了他们最喜爱的一些环境特性——他们认为这是每个开发者都应该了解并且称赞的特性。其中包括:调试存储过程支持、项目引用管理、类似图中的元数据(metadata)、借助于宏来自定义开发环境的程序设计等等。读者可以在CSDN网站《程序员》频道下载本文中的示例代码。
