Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China


Yang, H., Yi, C., Xie, P., Xing, Y. and Ni, L. (2005) Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China. Journal of Radioanalytical and Nuclear Chemistry, 267, (1), 205-208. (doi:10.1007/s10967-006-0028-6).

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Description/Abstract

Sediment core samples were collected in the largest urban Lake Donghu (Stations I and II) in China, and the activities of 210Pb, 226Ra and 137Cs were measured by gamma-ray spectrometry. The sedimentation rates, calculated by 210Pb constant rate of supply (CRS) model, ranged from 0.11 to 0.65 (average 0.39) cm. y-1at Station I, and from 0.21 to 0.78 (average 0.46) cm. y-1at Station II. Sedimentation rate calculated by 137Cs as a time marker was 0.55 cm. y-1at Station II. Based on the average sedimentation rate, we obtained 769 and 147 t. y-1for nitrogen and phosphorus retentions in Lake Donghu sediments, respectively.

Item Type: Article
ISSNs: 0236-5731 (print)
1588-2780 (electronic)
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Q Science > QE Geology
Divisions: University Structure - Pre August 2011 > School of Geography
ePrint ID: 153561
Date Deposited: 12 May 2011 08:23
Last Modified: 27 Mar 2014 19:12
URI: http://eprints.soton.ac.uk/id/eprint/153561

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