Fluctuation in the Level of the Caspian Sea and its ConsequencesAkimgali Kenzhegaliev, Assylbek Kanbetov, Dauren Kulbatyrov, Aiauzhan Shakhmanova and Ainagul AbilgaziyevaE3S Web Conf., 288 (2021) 01064DOI: https://doi.org/10.1051/e3sconf/202128801064