随着辐射防护理念的发展，环境中生物所受到的辐射影响日益引起人们的关注。本文使用ERICA项目中推荐的辐射影响评价方法，对阳江核电厂运行后对附近海域中海洋生物的辐射影响进行预测和评价。剂量率估算结果显示，阳江核电厂的液态放射性流出物对附近海域海洋生物造成的辐射剂量率不会超过7.47×10–3µGy.h–1，远低于国际上推荐的保护生物的辐射剂量率控制值，也低于本底辐射剂量率，因此，阳江核电厂正常运行后对附近海域中的海洋生物不会造成不利的辐射影响。

As we improve our knowledge on radiation protection, we are more interested in the impact of radiation on biota in the surroundings. By applying the method from the ERICA (Environmental Risk from Ionising Contaminants: Assessment and Management) project, the authors are to make some prediction and assessment of radiological impact on the marine organisms near Yangjiang Nuclear Power Plant (NPP). The results show the radiation dose rates of the marine organisms arising from the NPP’s liquid radioactive effluents are no more than 7.47×10–3µGy•h–1, much lower than both the limits recommended by the regulatory and the background radiation dose rates. Therefore, we estimate that this NPP would not cause adverse radiological impact on the marine organisms in its surroundings during its normal operation.

国家海洋局海洋公益性行业科研专项(200705028)

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