The results show that the coastal line progradation and erosion are proceeding simultaneously, and generally the formed land area in the delta is decreasing.
结果表明，黄河三角洲在整体淤进的同时伴随着蚀退，三角洲的造陆面积呈逐渐减小的趋势。
Longitudinal delta is developed in the north, fan-delta in the east, and slope progradation complex in the west.
该区北部形成纵向三角洲，东部形成扇三角洲，西部形成斜坡前积复合体。
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