%0 Journal Article
%T Distributions and Seasonal Variations of Total Dissolved Inorganic Arsenic in the Estuaries and Coastal Area of Eastern Hainan<br>海南东部河口和近岸海域总溶解态无机砷的分布及季节变化
%A CAO Xiu-hong
%A REN Jing-ling
%A ZHANG Gui-ling
%A ZHANG Jin-e
%A DU Jin-zhou
%A ZHU De-di
%A <br>曹秀红
%A 任景玲
%A 张桂玲
%A 张金娥
%A 杜金洲
%A 朱德弟
%J 环境科学
%D 2012
%I 
%X The concentrations of total dissolved inorganic arsenic (TDIAs) were measured by Hydride Generation-Atomic Fluorescence Spectrometry (HG-AFS). Two cruises were carried out in the river, estuary, coastal area and groundwater of eastern Hainan in December 2006 and August 2007.The concentrations of TDIAs in the Wanquan and Wenchang/Wenjiao rivers and their estuaries, coastal area in December 2006 were 4.0-9.4, 1.3-13.3, 13.3-17.3 nmol·L-1, respectively. The concentrations of TDIAs in the Wanquan and Wenchang/Wenjiao rivers and their estuaries, coastal area in August 2007 were 1.6-15.5, 2.4-15.9, 10.8-17.6 nmol·L-1, respectively. There was no significantly seasonal variation of TDIAs in the rivers and estuaries during the dry and wet seasons. Compared with other areas in the world, the concentration of TDIAs in the Eastern Hainan remained at pristine levels. TDIAs showed conservatively mixing in the both estuaries. The concentration of TDIAs of groundwater was below detection limit (BDL)-41.7 nmol·L-1. The submarine groundwater discharge (SGD) to the coastal area was estimated in the drainage basin of Wenchang/Wenjiao river based on the average concentration of TDIAs in the groundwater and SGD water discharge, with the value of 1153 mol·a-1. Budget estimation indicated that the SGD discharge is one of the important sources of arsenic in the coastal area.
%K total dissolved inorganic arsenic
%K distribution
%K seasonal variation
%K Eastern Hainan
%K estuary and coastal area<br>总溶解态无机砷
%K 分布
%K 季节变化
%K 海南东部
%K 河口和近岸
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=B42EDD6608FE925A88B1E9B8DE087D67&yid=99E9153A83D4CB11&vid=27746BCEEE58E9DC&iid=38B194292C032A66&sid=2A92ABD90588B251&eid=71128DCBD6E39665&journal_id=0250-3301&journal_name=环境科学&referenced_num=0&reference_num=43