Solar Physics & upper-Atmosphere Research Group University of Sheffield Linear and non-linear waves and oscillations L1: Examples for waves Robert von.

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Presentation transcript:

Solar Physics & upper-Atmosphere Research Group University of Sheffield Linear and non-linear waves and oscillations L1: Examples for waves Robert von Fáy-Siebenbürgen SPARG, Department of Applied Mathematics, The University of Sheffield (UK)

Solar Physics & upper-Atmosphere Research Group of Sheffield Water waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Water waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Longitudinal waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Transverse waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Shock waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Sonic boom

Solar Physics & upper-Atmosphere Research Group of Sheffield The dynamic Sun Movie: SOHO/EIT (ESA/NASA)

Solar Physics & upper-Atmosphere Research Group of Sheffield Helioseismology ¤ more than 100,000 pulsation modes ¤ single mode ¤ three modes ¤ many modes

Solar Physics & upper-Atmosphere Research Group of Sheffield ¤ n=14 (radial nodes) ¤ m=16 (poloidal nodes) ¤ l=20 (spherical harmonic degree) ¤ The frequency of this mode determined from the MDI data is  0.2 µHz. Helioseismology

Solar Physics & upper-Atmosphere Research Group of Sheffield Helioseismology

Solar Physics & upper-Atmosphere Research Group of Sheffield Photosphere: sunspots

Solar Physics & upper-Atmosphere Research Group of Sheffield Running penumbral waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Solar storms: Sun quakes Solar quakes: high energy electrons slam the solar surface

Solar Physics & upper-Atmosphere Research Group of Sheffield Solar quakes: high energy electrons slam the solar surface Solar storms: Sun quakes

Solar Physics & upper-Atmosphere Research Group of Sheffield Chromospheric spicules spicules

Solar Physics & upper-Atmosphere Research Group of Sheffield Solar spicules (tornadoes) (BBSO) Earth Peter & von der Lühe (1999)

Solar Physics & upper-Atmosphere Research Group of Sheffield Solar spicules (tornadoes)

Solar Physics & upper-Atmosphere Research Group of Sheffield Moreton waves

Solar Physics & upper-Atmosphere Research Group of Sheffield Coronal loops

Solar Physics & upper-Atmosphere Research Group of Sheffield Coronal loops by TRACE

Solar Physics & upper-Atmosphere Research Group of Sheffield SOHO/TRACE examples Solar atmospheric oscillations

Solar Physics & upper-Atmosphere Research Group of Sheffield TRACE: Loop oscillation excited by M4.6 flare (14 July 1998) Movie in TRACE 171 A Solar atmospheric oscillations

Solar Physics & upper-Atmosphere Research Group of Sheffield Surfing magnetic loops Difference image in brightness out from the loop base

Solar Physics & upper-Atmosphere Research Group of Sheffield Space Weather

Solar Physics & upper-Atmosphere Research Group of Sheffield The end

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