Caihong Hu¹, Li Zhang², Qiang Wu Sr.² and Shengqi Jian Sr.³, (1)School of water conservancy and environment, Zhengzhou university, Zhengzhou, Henan Province, China, School of water conservancy and environment, Zhengzhou, China, (2)Zhengzhou University, School of water conservancy science and engineering, Zhengzhou, China, (3)Zhengzhou University, School of water conversancy science and engineering, Zhengzhou, China