The Sedimentary Record of a Significant Flooding Event in Lake Taihu on the Yangtze Delta, China

Three soft-sediment cores were collected from the western area of Taihu Lake in the Yangtze delta region of China. Sediment chronologies and sedimentation rates were determined using ²¹⁰Pb and ¹²⁷Cs methods. Grain size and microfabric analyses were used to identify sedimentary evidence for a major f...

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Bibliographic Details
Published in:Journal of coastal research 2004-06, p.89-100
Main Authors: Yi, C. L., Appleby, P. G., Boyle, J. F., Rose, N. L., Dai, X. R., Xie, P.
Format: Article
Language:English
Subjects:
Climate change
Floods
Grain size
Hydrology
Lake sediment cores
Lakes
Paleoclimatology
River deltas
Sediment core samples
Sediments
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Summary:Three soft-sediment cores were collected from the western area of Taihu Lake in the Yangtze delta region of China. Sediment chronologies and sedimentation rates were determined using ²¹⁰Pb and ¹²⁷Cs methods. Grain size and microfabric analyses were used to identify sedimentary evidence for a major flooding event in 1954. Increase in grain size, maximum sedimentation rates and a break in sedimentation, overlain by rounded coarse sands, were all ascribed to this event. This shows that the longer time scale sediment record of Taihu can be used to identify the occurrence, and hence changes in frequency, of major flood events in this susceptible and heavily populated area.
ISSN:0749-0208
1551-5036