Physics
Scientific paper
Jul 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83.3337c&link_type=abstract
Journal of Geophysical Research, vol. 83, July 1, 1978, p. 3337-3341.
Physics
16
Satellite Observation, Scintillation, Solar Wind Velocity, Correlation Coefficients, Electron Density (Concentration), Fourier Transformation, Imp, Particle Intensity, Velocity Distribution, Velocity Measurement, Wavelengths
Scientific paper
Solar wind velocities measured by earth-orbiting spacecraft are compared with velocities determined from interplanetary scintillation (IPS) observations for 1973, a period when high-velocity streams were prevalent. The spacecraft and IPS velocities agree well in the mean and are highly correlated. No simple model for the distribution of enhanced turbulence within streams is sufficient to explain the velocity comparison results for the entire year. Although a simple proportionality between density fluctuation level and bulk density is consistent with IPS velocities for some periods, some streams appear to have enhanced turbulence in the high-velocity region, where the density is low.
Coles William A.
Harmon John K.
Lazarus Andrew J.
Sullivan David J.
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