Abstract
Some interplanetary phenomena with time scales from several hours to several days are considered: (1) low speed solar wind regions with specific large scale fluctuations of heavy ions abundances, (2) large ion flux increases with large (up to 10–20°) deflections from the solar direction and (3) plasma flows behind the interplanetary shocks (both isolated and combined into the series). The variations of elemental abundances and of charge states of various ions observed continuously within 2–3 days time intervals are used to evaluate the variations of chemical composition and electron temperature of the solar corona. Slow ion flux increases with sharp decreases and with strong changes of ion flow directions tend to be associated with interaction of flows with different velocities near the interplanetary magnetic field (IMF) sector boundaries. The main characteristics of the interplanetary disturbances by shocks — the dynamical pressure jumps and the time of motion are studied as a function of the total disturbance energy.
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