Determination of sedimentation rates in Izmir Bay using 210Pb radionuclide

被引：1
|
作者：
Ichedef, Mutlu [1 ]
Yener, Gungor [1 ]
Buyukisik, Hasan Baha [2 ]
Ozkan, Ebru Yesim [2 ]
机构：
[1] Ege Univ, Inst Nucl Sci, TR-35100 Izmir, Turkey
[2] Ege Univ, Fac Fisheries, TR-35100 Izmir, Turkey
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 2017年 / 28卷 / 11期
关键词：
Sedimentation rates; Izmir Bay; Pb-210; Po-210; ACCUMULATION RATES; CS-137; SEA; CONTAMINATION; GEOCHRONOLOGY; HISTORY; PO-210; BRAZIL; CORES; BASIN;
D O I：
10.1007/s41365-017-0313-9
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In this study, using the constant rate of supply model, sedimentation rates of Izmir Bay were calculated and discussed. For this purpose, eight sediment cores were collected from inner part of the bay and sedimentation rates were calculated from vertical distribution of Pb-210. Pb-210 activities were determined indirectly from Po-210 activities. Sedimentation rates ranged from 0.10 to 0.52 cm/year. The highest sedimentation rates were determined in stations close to the Poligon stream. It was concluded that main transporting mechanism for sediments is river and streams in the area. In addition, sediment cores taken from the harbor were mixed due to bioturbation, water circulation and/or other factors.
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页数：5
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