古河谷
- 网络paleovalley;former river valley
古河谷-
珠江口埋藏古河谷形迹初探
Probe into the Traces of Buried Ancient Valley in the Pearl River Estuary
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古河谷的中部，靠近主泓线附近，沉积层序完整。
In the middle of the incised - valley , stratigraphic sequence was perfect .
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长江口外内陆架埋藏古河谷的河型判别方法探讨
Pattern discrimination and characteristic analysis of the buried ancient channels in the inner continental shelf out of Yangtze River
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末次盛冰期以来，由于海面发生大幅度的变化，长江河口段经历了深切古河谷形成古河谷充填三角洲发育的河床演变过程。
Since the Last Glacial Maximum , the riverbed of the Yangtze River mouth region has evolved from the shape of the deep incised-valley to the filling of the palaeo-valley and to the delta development because of the great change of the sea level .