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This paper presents results of comparison between observations of coronalholes in the UV (SOHO EIT) and microwave emission (17, 5.7 GHz, 327 and 150.9MHz, NoRH, SSRT and Nancy radioheliographs), and solar wind parameters,according to the ACE spacecraft data over the period 12 March--31 May 2007.Increase in the solar wind velocity up to ~600 km/s was found to correlate withdecrease in the UV flux in the central parts of the solar disk. The connectionbetween parameters of the microwave emission at three different solaratmosphere levels and the solar wind velocity near the Earth's orbit wasdetermined. This connection suggests existence of common mechanisms of solarwind acceleration from chromospheric altitudes to the upper corona. We alsosuppose existence of two different mechanisms of the solar wind acceleration ataltitudes of less and more than one solar radius.

The connection of solar wind parameters with microwave and UV emission of coronal hole atmosphere