秋季红沿河核电站海域水龄分布及其对水母丰度分布的影响

邱敏志; 苏薇; 姚庆祯; 王彦涛; 张广跃; 许博超; 张晓洁

doi:10.3969/j.issn.0253-4193.2020.04.014

秋季红沿河核电站海域水龄分布及其对水母丰度分布的影响

doi: 10.3969/j.issn.0253-4193.2020.04.014

邱敏志^{1, 2, 3,},
苏薇³,
姚庆祯^{1, 2, 3},
王彦涛⁴,
张广跃⁵,
许博超^{1, 2, 3},
张晓洁^{1, 2, 3, ,}

1.
中国海洋大学海洋化学理论与工程技术教育部重点实验室，山东青岛 266100
2.
青岛海洋科学与技术试点国家实验室海洋生态与环境科学功能实验室，山东青岛 266071
3.
中国海洋大学化学化工学院，山东青岛 266100
4.
中国科学院海洋研究所海洋生态与环境科学重点实验室，山东青岛 266071
5.
天津大学海洋科学与技术学院，天津 300072

基金项目: 国家重点基础研究发展计划（2017YFC1404402）；鳌山科技创新计划项目（2016ASKJ02-4）；国家自然科学基金（41576075，41620104001）；中国博士后科学基金（2015M582479）。

详细信息

作者简介:
邱敏志（1994-），男，山东省临沂市人，研究方向为同位素海洋学。E-mail：ouc_qiuminz@163.com

通讯作者:
张晓洁，助理实验师，主要从事同位素海洋学研究。E-mail：ouczxj@163.com

中图分类号: P734.2⁺4; X3
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- 文章访问数: 274
- HTML全文浏览量: 54
- PDF下载量: 11
- 被引次数: 0
出版历程
- 收稿日期: 2019-05-08
- 修回日期: 2019-06-06
- 网络出版日期: 2020-11-18
- 刊出日期: 2020-04-25

The distribution of water age and its effect on jellyfish abundance in Hongyanhe Nuclear Power Plant in autumn

Qiu Minzhi^{1, 2, 3
,},
Su Wei³,
Yao Qingzhen^{1, 2, 3},
Wang Yantao⁴,
Zhang Guangyue⁵,
Xu Bochao^{1, 2, 3},
Zhang Xiaojie^{1, 2, 3
, ,}

1.
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
2.
Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266071, China
3.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
4.
Key Laboratory of Marine Ecology & Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
5.
School of Marine Science and Technology, Tianjin University, Tianjin 300072, China

摘要

摘要: 本研究调查了秋季红沿河核电站海域镭、氡同位素的活度水平及分布情况，结合镭同位素表观年龄模型计算该海域的水体年龄，进而得出研究区域的水体运移方向，初步探讨了水母丰度分布与水体运移的相关关系。得到结论如下：(1)红沿河核电站海域表层水体中²²⁴Ra、²²⁶Ra及²²²Rn的活度水平分别为2.9～62.4 dpm/(100 L)，11.9～57.4 dpm/(100 L)及0.1～1.3 dpm/L，镭同位素活度呈现出近岸高、远岸低的分布趋势，氡同位素的分布则更大程度上受水温控制；(2)通过²²⁴Ra/²²⁶Ra表观年龄模型计算得出红沿河海域表层水体年龄范围介于0～16 d，平均年龄(10.9±3.6) d，水体主体流向为北偏东方向，流速为7.2 cm/s；(3)水母丰度分布与水体流向呈现出较为一致的对应关系，在主体流向方向上，水体年龄较大的海域水母丰度最高。
- 红沿河 /
- 核电站 /
- 镭同位素 /
- 氡同位素 /
- 水体年龄 /
- 水母丰度
Abstract: In this study, the activity range and distribution patterns of radium and radon isotopes in the coast sea of the Hongyanhe Nuclear Power Plant were investigated in autumn, 2017. The water ages were calculated by "Apparent Radium Age Model", which distribution was then used to assess the major direction of water transport in the study area. We also discussed the relationship between jellyfish abundance distribution and water transport direction. The results indicate that: (1) the activity ranges of ²²⁴Ra, ²²⁶Ra and ²²²Rn were 2.9−62.4 dpm/(100 L), 11.9−57.4 dpm/(100 L), and 0.1−1.3 dpm/L in the study area in autumn, respectively. (2) Based on the “Apparent Radium Age Model”, the so-calculated water ages were ranged from 0 to 16 d, with an average of (10.9±3.6) d. The major water transport direction was towards northeast with the velocity of 7.2 cm/s. (3) There was clear correlation between the distribution of jellyfish abundance and the major water transport direction. The higher jellyfish abundance was found in main water transport direction with older water ages.
- Hongyanhe /
- nuclear power plant /
- radium isotope /
- radon isotope /
- water age /
- jellyfish abundance

HTML全文

图 1 2017年9月红沿河核电站附近海域采样站位分布

红色标注点为红沿河核电站位置

Fig. 1 The station map of the sea area near the Hongyanhe Nuclear Power Plant in September 2017

The red point is the location of Hongyanhe Nuclear Power Plant

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图 2 2017年9月红沿河核电站海域温盐分布

Fig. 2 Temperature and salinity distribution in the sea area near the Hongyanhe Nuclear Power Plant in September 2017

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图 3 2017年9月红沿河核电站海域镭和氡同位素活度分布

Fig. 3 The distributions of Ra and Rn isotopes in the sea area near the Hongyanhe Nuclear Power Plant in September 2017

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图 4 2017年9月红沿河核电站海域水体年龄分布

Fig. 4 The water age distribution of the sea area near the Hongyanhe Nuclear Power Plant in September 2017

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图 5 2017年9月红沿河核电站海域水母丰度分布

Fig. 5 The Nemopilema nomurai distribution of the sea area near the Hongyanhe Nuclear Power Plant in September 2017

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