Banerjee, D; Teriaca, L; Gupta, G. R; Imada, S; Stenborg, G; Solanki, S. K
(EDP Sciences, 2009-06)
Context: To study the dynamics of coronal holes and the role of waves in the acceleration of the solar wind, spectral observations were performed over polar coronal hole regions with the SUMER spectrometer on SoHO and the ...