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The disturbance storm time (Dst, Kyoto Dst) index is a measure in the context of space weather. It gives information about the strength of the ring current around Earth caused by solar protons and electrons. The ring current around Earth produces a magnetic field that is directly opposite Earth's magnetic field, i.e. if the difference between solar electrons and protons gets higher, then Earth's magnetic field becomes weaker. A negative Dst value means that Earth's magnetic field is weakened. This is particularly the case during solar storms.

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  • Disturbance storm time index (en)
  • Indice DST (it)
  • 地磁擾動指數 (zh)
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  • The disturbance storm time (Dst, Kyoto Dst) index is a measure in the context of space weather. It gives information about the strength of the ring current around Earth caused by solar protons and electrons. The ring current around Earth produces a magnetic field that is directly opposite Earth's magnetic field, i.e. if the difference between solar electrons and protons gets higher, then Earth's magnetic field becomes weaker. A negative Dst value means that Earth's magnetic field is weakened. This is particularly the case during solar storms. (en)
  • L'indice DST (disturbance storm time, Kyoto Dst) è una misura nel contesto della meteorologia spaziale. Dà informazioni sulla forza delle correnti provocate dal vento solare attorno alla Terra. Queste correnti producono un campo magnetico che è direttamente opposto al campo magnetico terrestre. Quindi, se la differenza tra elettroni e protoni solari aumenta, il campo magnetico della Terra diventa più debole. Un valore DST negativo significa che il campo magnetico della Terra è indebolito. Questo si verifica in particolare durante le tempeste solari. (it)
  • 地磁擾動指數(disturbance storm time,Dst,Kyoto Dst)是測量太空天氣條件的一項指標。它提供了來自太陽的質子和電子引起地球周圍環狀電流強度的資訊。 環繞地球周圍的環狀電流產生的磁場直接位於地球磁場的正前方,也就是說,如果來自太陽的質子和電子的差異越大,那麼地球的磁場就會變得越弱。 負值的Dst意味著地球磁場被削弱,在太陽風暴期間尤其如此。 (zh)
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  • The disturbance storm time (Dst, Kyoto Dst) index is a measure in the context of space weather. It gives information about the strength of the ring current around Earth caused by solar protons and electrons. The ring current around Earth produces a magnetic field that is directly opposite Earth's magnetic field, i.e. if the difference between solar electrons and protons gets higher, then Earth's magnetic field becomes weaker. A negative Dst value means that Earth's magnetic field is weakened. This is particularly the case during solar storms. (en)
  • L'indice DST (disturbance storm time, Kyoto Dst) è una misura nel contesto della meteorologia spaziale. Dà informazioni sulla forza delle correnti provocate dal vento solare attorno alla Terra. Queste correnti producono un campo magnetico che è direttamente opposto al campo magnetico terrestre. Quindi, se la differenza tra elettroni e protoni solari aumenta, il campo magnetico della Terra diventa più debole. Un valore DST negativo significa che il campo magnetico della Terra è indebolito. Questo si verifica in particolare durante le tempeste solari. (it)
  • 地磁擾動指數(disturbance storm time,Dst,Kyoto Dst)是測量太空天氣條件的一項指標。它提供了來自太陽的質子和電子引起地球周圍環狀電流強度的資訊。 環繞地球周圍的環狀電流產生的磁場直接位於地球磁場的正前方,也就是說,如果來自太陽的質子和電子的差異越大,那麼地球的磁場就會變得越弱。 負值的Dst意味著地球磁場被削弱,在太陽風暴期間尤其如此。 (zh)
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