developmental stage of tabular foreset laminae;
板状前积纹层发育阶段;
developmental stage of tabular foreset laminae;
板状前积纹层发育阶段;
From some field investigations (like Lake Constance and Lake Mead), the shape of a delta is not a Gilbert delta.Slope evolution between foreset and bottomset is not sharp but smooth.
摘要:当河川泊或水库,若河川的密度是高于泊,这河川就会潜没泊的底部形成异重。
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