@inproceedings{sgem2020s12044, title = {THE CHARACTERISTICS OF VALLEY RESERVOIR OPERATION IN LOWLAND RIVERS: A CASE-STUDY OF THE ASTANA RESERVOIR ON THE YESIL RIVER, KAZAKHSTAN}, author = {Farida Akiyanova and Altynay Shaimerdenova and Yergali Karakulov and Nurlan Ongdas and Arman Kabdeshev}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Water Resources. Forest, Marine and Ocean Ecosystems}, year = {2020}, pages = {339-346}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2020/3.1/s12.044} }