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geomagnetic meridian
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  “geomagnetic meridian”译为未确定词的双语例句
     In this paper the latitudinal effect of geomagnetic disturbances during the geomagnetic storm on April 6,2000 is analyzed by using minutely averages of H and D components at low latitude geomagnetic meridian chain.
     利用低纬地磁子午链上H和D分量的分均值数据 ,分析了 2 0 0 0年 4月 6日磁暴期间磁扰变化的纬度效应 .
短句来源
  相似匹配句对
     22' MAX China Meridian Chain of Geomagnetic and Aeronomic Observatories
     第22太阳活动周峰年期间的中国地磁与高空物理子午链(英文)
短句来源
     The 22/ MAX China Meridian Chain of Geomagnetic and Aeronomic Observatories is briefly introducted.
     本文简要介绍了第22太阳活动周峰年期间中国地磁与高空物理子午链的情况。
短句来源
     Law of distribution of meridian
     经脉起止走向规律(英文)
短句来源
     Development of the Meridian Theory
     经络学说的演变
短句来源
     The Reversals of the Geomagnetic Field
     地磁场的倒转
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  geomagnetic meridian
This clearly suggests an effect of the orientation of shock front plane of the solar plasma with respect to the geomagnetic meridian.
      
The average SC disturbance vector is shown to be about 10-20°W of the geomagnetic meridian.
      
A chain of four satellite receivers extending from the north of Norway to the south of Finland was installed approximately along a geomagnetic meridian.
      


Effects of variations of magnitude of E×B vertical drifts and neutral windson low-latitude ionosphere are investigated by using a two-dimensional low-latitudeionospheric time-dependent theoretical model. In the model ion transport equationsare solved by using splitting technique at fixed grid points along magnetic field lines,and densities and velocities of ions are outputted on the given geomagnetic meridian.Modelling results show that the influences of adjusted magnitude of E×B verticaldrifts and neutral...

Effects of variations of magnitude of E×B vertical drifts and neutral windson low-latitude ionosphere are investigated by using a two-dimensional low-latitudeionospheric time-dependent theoretical model. In the model ion transport equationsare solved by using splitting technique at fixed grid points along magnetic field lines,and densities and velocities of ions are outputted on the given geomagnetic meridian.Modelling results show that the influences of adjusted magnitude of E×B verticaldrifts and neutral winds on low-latitude f0F2 are dependent on magnetic latitudeand local time. And some features not reported previously are also mentioned inthe paper.

利用二维低纬电离层一等离子体层时变理论模式,模拟太阳活动高年春分条件下垂直漂移和中性风强度改变对低纬F区电离层参量的影响.模式在所考察的磁子午面内求解等离子体输运方程,给出离子浓度和速度随纬度、高度、地方时的变化.模式计算结果显示,调整垂直漂移和中性风强度对低纬F区电离层电子浓度的影响与电离层所处碰纬、垂直漂移和中性风作用时段等有关,呈现出一些新特点.结果对分析不同条件下垂直漂移和中性风对低纬F区电离层影响具有一定的指导意义.

In this paper the latitudinal effect of geomagnetic disturbances during the geomagnetic storm on April 6,2000 is analyzed by using minutely averages of H and D components at low latitude geomagnetic meridian chain. The main characteristics are as follows. (1) SC range of H component decreases and the decrease rate increases with decreasing latitude. (2) The range of the second peak of H component and the duration of the initial phase decrease with decreasing latitude during the initial phase. (3) H component...

In this paper the latitudinal effect of geomagnetic disturbances during the geomagnetic storm on April 6,2000 is analyzed by using minutely averages of H and D components at low latitude geomagnetic meridian chain. The main characteristics are as follows. (1) SC range of H component decreases and the decrease rate increases with decreasing latitude. (2) The range of the second peak of H component and the duration of the initial phase decrease with decreasing latitude during the initial phase. (3) H component decreases speedily and the change range increases with during decreasing in the main phase. (4) The increase of H component is divided to two steps in the recovery phase. H component increases quickly and the change range decreases with decreasing latitude in the former step. The increase rate of H component decreases in the later step. Finally, the intimate relationship between the latitudinal effect of the geomagnetic disturbances and the space current system is discussed.

利用低纬地磁子午链上H和D分量的分均值数据 ,分析了 2 0 0 0年 4月 6日磁暴期间磁扰变化的纬度效应 .主要特点是 :(1 )急始期间H分量急始跃变幅随磁纬降低而减小 ,且急始变幅的下降率随磁纬降低而逐渐增大 ;(2 )初相期间H分量第 2峰值的变幅和初相持续时间随磁纬降低而减小 ;(3)主相期间H分量迅速减小 ,并随纬度降低最大变幅明显增加 ;(4)恢复相H分量呈两阶段上升趋势 ,前一阶段迅速上升 ,后一阶段上升速度明显减小 .最后对这些磁扰变化的纬度效应与空间电流体系的密切关系作了讨论 .

With the data of the geomagnetic meridian observatories in China,25 geomagnetic storms in the period of 1997 to 1999 have been analyzed by using three kinds of methods which are Natural Orthogonal Components(NOC),Correlation Analysis and Fourier Analysis.Three steps have been done to decompose the storm-time variation(Dst) correlating with the universal time(UT),the solar daily variation(S-q) and the disturbance daily variation(S-D) depending on the local solar time(LT).The results show that the...

With the data of the geomagnetic meridian observatories in China,25 geomagnetic storms in the period of 1997 to 1999 have been analyzed by using three kinds of methods which are Natural Orthogonal Components(NOC),Correlation Analysis and Fourier Analysis.Three steps have been done to decompose the storm-time variation(Dst) correlating with the universal time(UT),the solar daily variation(S-q) and the disturbance daily variation(S-D) depending on the local solar time(LT).The results show that the spacial distribution and the temporal evolution characteristic of equatorial symmetric ring current are reflected clearly by Dst variation.The amplitude of S-q reached maximum or minimum during most main phases in MZL,BMT and QGZ observatories.It reflects the variation of the geomagnetic field from the motion of the S-q focus with latitude.During main phases,the amplitude of S-D was the largest.It decreased slowly during the recovery phase.Correlation Analysis and Fourier Analyses offer a useful way to extract the S-q and S-D variations.

本文利用中国地磁子午链台站的资料,对1997-1999年期间发生的25次磁暴,用自然正交分量法(NOC)、相关分析和傅里叶分析三种方法,分3个步骤依次分离出依赖于世界时(UT)的暴时变化(Dst)、依赖于地方时(LT)的太阳静日变化(Sq)和太阳扰日变化(SD).对各种变化时空特征的分析表明:①Dst变化清楚地反映出赤道对称环电流磁扰的空间分布和时间演化特征;②满洲里、北京十三陵和琼中台Sq幅度在多数磁暴主相期间出现极大和极小值,反映了Sq焦点在纬度方向上的移动所产生的地磁效应;③SD变化在主相期间最强,在恢复相期间逐渐减弱;④相关分析和傅里叶分析提供了一种能有效提取Sq和SD变化的方法.

 
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