Marine Environment Protection

The radioactivity level of gross beta in sea water near Daya Bay Nuclear Power Stations from 2005 to 2010

  • ZHAO Li ,
  • ZHOU Peng ,
  • ZHANG Hong-biao ,
  • LI Dong-mei ,
  • HUANG Chu-guang ,
  • FANG Hong-da ,
  • CAI Wei-xu ,
  • CHEN Jia-hui
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  • 1. South China Sea Environment Monitoring Center, State Oceanic Administration, Guangzhou 510300, China;; 2. South China Sea Standard and Metrology Center, State Oceanic Administration, Guangzhou 510300, China

Received date: 2012-06-16

  Revised date: 2012-09-09

  Online published: 2013-11-21

Abstract

This paper introduces the spatial and temporal distribution of gross beta radioactivity in sea water around Daya Bay Nuclear Power Stations from 2005 to 2010. The gross beta radioactivity in the sea water ranged from 0.029 to 0.073 Bq·L-1 with a mean of 0.051 Bq·L-1. The gross beta radioactivity increased year after year during 2005-2010, but was still in the normal range in 2010 in terms of the background level standard; in fact, it was in a lower level compared with those at other China sea areas which has nuclear power stations. The gross beta radioactivity in the cooling water ejected area was higher than in other areas nearby due to diffuse. This research offers important data for evaluating radioactivity around the coastal nuclear power station of Daya Bay, and also has some significance for preventing radioactivity pollution and protecting the environment of the sea.

Cite this article

ZHAO Li , ZHOU Peng , ZHANG Hong-biao , LI Dong-mei , HUANG Chu-guang , FANG Hong-da , CAI Wei-xu , CHEN Jia-hui . The radioactivity level of gross beta in sea water near Daya Bay Nuclear Power Stations from 2005 to 2010[J]. Journal of Tropical Oceanography, 2013 , 32(5) : 107 -112 . DOI: 10.11978/j.issn.1009-5470.2013.05.015

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