In the eroding coast with strong wave,absent sand and bare rock,groyne or jetty and offshore submerged groin engineering are needed to support this nourishment against the waves in order to maintain the filled sand stability.

Test Research on Protection of Root Rocks of the Bank Using Iron Wire Net in the Lower Reaches of Yellow River;

The deposits of mouth bar and lakeshore bar are found at the middle oil-bearing assemblage (Qingshankou and Yaojia formations) in southern and western depositional systems, Songliao basin, characterized by large thickness and wide extension.

Dongying Formation in Shangdian oilfield belongs to lacustrine delta; it is characterized not only with the sedimentary features of river - controlled delta but also the particularity of developed shoreland bar and beach sand.

Stability analysis on ancient landslide of reservoir bank near dam;