黄河宁蒙河段泥沙淤积特征分析及治理对策OA

The Yellow River of Ningmeng section continues to face sedimentation and shrinkage,resulting in a"new suspended river",which threatens the safety of regional ice flood control.By combing the critical situation regarding ice prevention and flood control in the Ning-meng section,this study analyzed the roles and limitations of various management measures,proposing strategies for sediment reduction and management in the Ningmeng section.The research indicates that implementing measures such as soil erosion control,raising river embank-ments,and river dredging individually can only tackle sedimentation issues in specific segments and timeframes of the Ningmeng section.It is necessary to consider a variety of measures to cooperate with each other and comprehensive management in order to maintain the appropriate scale of the middle-water channel in the Ningmeng section for a long time and ensure the safety of ice prevention and flood control.