Warning message Node revision 1274 not found in node Oncological and Geographical Research in Saratov: Results and Prospects. Perharps it was deleted. Kochetkova Elena Sergeevna RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiaengineeresk-20@yandex.ru Author's articles Historical and Methodological Aspects of the Application of Landscape-hydrological Analysis in the Study of Geosystems