Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China
Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China
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.
205-208
Yang, H.
c0c036ca-374c-4c71-84a5-89ce439a7e3e
Yi, C.
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Xie, P.
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Xing, Y.
f7dfac53-94d3-462d-beb5-09ad70b6cda6
Ni, L.
7ce22a2b-735b-422d-bb62-f74c88146c6f
December 2005
Yang, H.
c0c036ca-374c-4c71-84a5-89ce439a7e3e
Yi, C.
d23b2b2d-fb20-4db3-b2aa-a3f922a27940
Xie, P.
a5c5be09-2655-4ff9-8d18-df87906bd155
Xing, Y.
f7dfac53-94d3-462d-beb5-09ad70b6cda6
Ni, L.
7ce22a2b-735b-422d-bb62-f74c88146c6f
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), .
(doi:10.1007/s10967-006-0028-6).
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.
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Published date: December 2005
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Local EPrints ID: 153561
URI: http://eprints.soton.ac.uk/id/eprint/153561
ISSN: 0236-5731
PURE UUID: da9a130d-cf2a-4871-a9f3-ebe67127f5e2
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Date deposited: 12 May 2011 08:23
Last modified: 14 Mar 2024 01:30
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Author:
H. Yang
Author:
C. Yi
Author:
P. Xie
Author:
Y. Xing
Author:
L. Ni
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