厦门湾海水中<sup>224</sup>Ra的深度分布特征及其应用

陈性保; 谢永臻; 黄奕普; 陈敏; 邱雨生

厦门湾海水中²²⁴Ra的深度分布特征及其应用

厦门大学海洋系, 厦门 361005

基金项目: 福建省自然科学基金D96001;高等学校博士学科点专项科研基金

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出版历程
- 收稿日期: 1997-08-11
- 修回日期: 1997-11-21

Profiles of ²²⁴Ra in the Xiamen Bay waters and its application

Department of Oceanography, Xiamen University, Xiamen 361005

摘要

摘要: 本文采用MnO₂-纤维富集、²²⁰Rn的连续射气闪烁法测定厦门湾海水中的²²⁴Ra,利用其垂直分布求出该海域的垂直涡动扩散系数(K_z),为该海域可溶性污染物扩散、迁移和海域自净能力的估算提供理论依据.该海域²²⁴Ra的垂直分布及由此得出的K_z使我们能够洞悉研究海域水体的垂直扩散特征及其时、空变化.
- 厦门湾 /
- ²²⁴Ra /
- 垂直分布 /
- 涡动扩散
Abstract: The activity of ²²⁴Ra in the seawater from the Xiamen Bay was determined by preconcentration with MnUz-fiber and successive emanation scintillation method of ²²⁰Rn.The profiles of ²²⁴Ra were applied to the estimation of the vertical eddy diffusion coefficient (K_z) at the several stations in the Xiamen Bay.The profiles of ²²⁴Ra and K_z arising therefrom make it possible to gain an insight into the pattern of the vertical diffusion of the waters in sea area studied and its spatial and temporal variations.These results will provide guidances for the study on the diffusion and transport of dissolved pollutant and estimation of self-purification capacity of the sea area studied.
- ²²⁴Ra /
- profile /
- vertically eddy diffusion /
- the Xiamen Bay

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参考文献(21)

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