The impact of hydraulic engineering works and human activities on hydrology has become a hot issue along with the economy and social development. The water cycle model of the upper reaches of the Yangtze River (URYR) is established based on the improved Soil and Water Assessment Tool (SWAT)...

Hydrological changes of the Irtysh River were analyzed concerning the changes of annual runoff and its distribution features within a year measured by coefficient of variation and concentration degree. Abrupt changes were detected by the heuristic segmentation method. Possible causes of the...