Ren Ruxin    Yang Jun    Zhang Zhichao    Du Juan

(1. YRCC,Shandong Bureau jinan 250011, 2.Information Center YRCC Shandong Bureau jinan 250011)

Abstract: After five times of water and sand regulations, the Yellow River reaches in Shandong povince generally eroded, but every section has different erosion intensity, and the erode result under the Lijin is the weakest. This article compares the eroding situation of the section below Lijin with other sections to analyze how to enlarge the flood carrying capacity in the reach below Lijin and gives proposal on how to steady the reaches near the river mouth.

Keyword: theoriginal source of water and sand; flushing of sand and silt in the river channel; Analysis; The Yellow River estuary