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Browsing by Author "Georgieva, K"

Browsing by Author "Georgieva, K"

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  • 22-year periodicity in solar rotation, solar wind parameters and earth rotation 
    Kirov, B; Georgieva, K; Javaraiah, J (European Space Agency, 2002-12)
    It is generally accepted that the annual variation in the Earth's rotation rate is fully determined by large-scale seasonal changes in atmospheric circulation, while the decadal changes in Earth's rotation have been shown ...
  • Short-term variations in solar rotation rate and solar wind parameters 
    Georgieva, K; Javaraiah, J; Kirov, B; Atanasov, D (European Space Agency, 2002-12)
    The components of the interplanetary magnetic field (IMF) at the Earth's orbit are described by the model of Parker [1958]. In it, the solar rotation rate is assumed constant. In the present paper we compare in-situ ...
  • Solar asymmetry and sun-earth connections 
    Georgieva, K; Kirov, B; Javaraiah, J (European Space Agency, 2003-09)
    The effect of solar activity on climate depends on the North-South solar activity asymmetry: the correlation between solar activity and a number of meteorological elements has opposite signs for predominantly more active ...
  • Solar differential rotation and properties of magnetic clouds 
    Georgieva, K; Kirov, B; Gavruseva, E; Javaraiah, J (European Space Agency, 2005-12)
    The most geoeffective solar drivers are magnetic clouds - a subclass of coronal mass ejections (CME's) distinguished by the smooth rotation of the magnetic field inside the structure. The portion of CME's that are magnetic ...
  • Solar rotation and solar wind magnetosphere coupling 
    Georgieva, K; Kirov, B; Javaraiah, J; Krasteva, R (Elsevier, 2005-03)
    This paper deals with three characteristics of the interplanetary magnetic field (IMF), important for solar wind magnetosphere coupling and related to solar rotation: the IMF azimuthal component, the IMF total magnitude, ...
  • Solar rotation, earth rotation and solar wind 
    Kirov, B; Georgieva, K; Javaraiah, J (European Space Agency, 2003-09)
    It is generally accepted that the annual variation in the Earth's rotation rate is fully determined by large-scale seasonal changes in atmospheric circulation. We demonstrate that the oscillations of both the Earth's ...

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