Preparation of input data for calculation of flood zones on the territory of the Republic of Mordovia

The article presents the results of the first stage of research to determine the zones of flooding on waterlogging on the territory of the Republic of Mordovia. Having analyzed relevant theoretical, cartographic and Internet sources, the authors compiled summary tables with general data and additional information on the watercourses of ten sites within the settlements of Ruzaevsky, Staroshaygovsky and Kochkurovsky municipal districts of the Republic.