Bashkatov Aleksandr Nikolaevich RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiaassociate professorCandidate of Geographic Sciencesalbion@info.sgu.ru Author's articles Methodological Aspects of Modeling of Ecological Functions of valley Complexes in a Cybernetic Landscape Saratov Privolzhie: Landscape Structure and Modern Geoecological State Gumanitarian Geographical Researches in the saratov Region The Topological Analysis of Valleys of a City of Saratov and Modeling Range on a Right Bank of the Bottom Volga