Reference and methodological manual . L. Hydrometeoizdat, 1982. — 223s. The experience of the State Hydrological Institute on the use of aerospace means for the hydrological study of hard-to-reach areas is summarized . Specific examples show the use of remote methods for determining the field of surface velocities on rivers , for the preparation of the cadastre of deposits , to determine the types of the channel process and to assess the planned deformations of the channel , to obtain regime information on ice conditions on lakes and snow cover dynamics on mountain catchments. Hydrometeorological data of cadastral and climatological nature. The manual is intended for hydrologists and geographers, for all specialists concerned with the development of Transbaikalia in the zone of the Baikal-Amur Railway .