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LIU CANGZI,WU LICHENG,CAO MIN. 1987. SEDIMENTARY CHARACTERISTICS OF CHENIERS IN SOUTHERN CHANGJIANG DELTA AND THEIR ORIGIN AND AGE DETERMINATION. Acta Oceanologica Sinica, (3):405－412
SEDIMENTARY CHARACTERISTICS OF CHENIERS IN SOUTHERN CHANGJIANG DELTA AND THEIR ORIGIN AND AGE DETERMINATION
SEDIMENTARY CHARACTERISTICS OF CHENIERS IN SOUTHERN CHANGJIANG DELTA AND THEIR ORIGIN AND AGE DETERMINATION
Received:November 16, 1985  Revised:July 20, 1986
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Author NameAffiliation
LIU CANGZI Institute of Estuarine and Coastal Research, East China Normal University, Shanghai 
WU LICHENG Institute of Estuarine and Coastal Research, East China Normal University, Shanghai 
CAO MIN Institute of Estuarine and Coastal Research, East China Normal University, Shanghai 
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Abstract:
      According to analyses on the texture and structure of sediment, species component and accumulative way of shells, geometry of sana body and its vertical sequence, this paper points out that the sand ridge located in the west of Shanghai is a kind of ancient chenier, and the entire broad plain of cheniers and the mud flats in between is called chenier plain. The origin of the chenier is related to the shifting of main branch channel in the Changjiang estuary and coastal changes during the historical periods. Based on 14C dating data, the ages of the cheniers from west to east are 6800-6000,5800-5500, 4200-4000 and 3200 years B. P. respectively. These cheniers of different ages illustrate the development processes of the Changjiang Delta during the Middle Holocene.
中文摘要:
      According to analyses on the texture and structure of sediment, species component and accumulative way of shells, geometry of sana body and its vertical sequence, this paper points out that the sand ridge located in the west of Shanghai is a kind of ancient chenier, and the entire broad plain of cheniers and the mud flats in between is called chenier plain. The origin of the chenier is related to the shifting of main branch channel in the Changjiang estuary and coastal changes during the historical periods. Based on 14C dating data, the ages of the cheniers from west to east are 6800-6000,5800-5500, 4200-4000 and 3200 years B. P. respectively. These cheniers of different ages illustrate the development processes of the Changjiang Delta during the Middle Holocene.
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