Training Manual . — L. : LGMI Publishing, 1991. — 173s. The theoretical bases of obtaining, processing and use of materials of aerial and space surveys of the terrain for hydrological purposes are presented, the analysis of the factors influencing the pictorial and measuring qualities of photographs is given. Methods and methods of stereoscopic measurements on photographs of various parameters of water bodies are considered , Hydrographic Decryption of Photographs , methodical features of aerial surveys of land and marine areas , the use of satellite information in the operational practice of the Committee on Hydrometeorology . Designed for students of hydrometeorological specialties and students of faculties of advanced training .