Science in China Series B: Chemistry

, Volume 44, Supplement 1, pp 107–111 | Cite as

The change of characteristics of tidal wave in the Changjiang River mouth area since the post-glacial transgression maximum

  • Yurong Zhu


During the period of the post-glacial transgression maximum (PGTM), there was a huge trumpet estuary in the modern Changjiang River Delta area. The location and the shape of the Paleo-Changjiang River Estuary (PCRE) were much different from those of the present Changjiang River Estuary. The study on the change of characteristics of tidal wave in the Changjiang River mouth area since the PGTM can help to understand better the dynamic development of the Changjiang River Delta. The course curves of tidal level and tidal current velocity during a single tidal cycle for 35 points are calculated, and characteristics of tidal waves in the PCRE and its adjacent area are compared with those of tidal waves in the modern Changjiang River mouth area. The results show that the tidal waves within the PCRE and in its adjacent area during the period of the PGTM belonged to standing wave or a mixture of standing wave and progressive wave. Since then, the tidal wave in the Changjiang River mouth become gradually to be progressive wave with the PCRE being filled and the Changjiang River mouth shifting southeastwards.


post-glacial transgression maximum Changjiang River mouth tidal wave characteristics 


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Copyright information

© Science in China Press 2001

Authors and Affiliations

  • Yurong Zhu
    • 1
    • 2
  1. 1.School of Environmental Science and EngineeringShanghai Jiaotong UniversityShanghaiChina
  2. 2.Institute of OceanologyChinese Academy of SciencesQingdaoChina

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