%0 Journal Article
%T Study on the Oxygen Condition in Subsurface Flow Wetlands in Operation<br>运行条件下潜流型人工湿地溶氧状态研究
%A YAN Lu
%A WANG Shi-he
%A LUO Wei-guo
%A HUANG Juan
%A ZHONG Qiu-shuang
%A <br>鄢璐
%A 王世和
%A 雒维国
%A 黄娟
%A 钟秋爽
%J 环境科学
%D 2006
%I 
%X Horizontal flow wetlands with various kinds of plants grown were studied on their operation characteristics and oxygen condition in treating the sewage out from the primary sedimentary basin.The rules of oxygen condition changed with space and time were studied.Researches showed the oxygen concentration was low in wetlands,and it appeared as a rule that low in both ends,but high in middle of beds.It descended in upright direction.The oxygen concentration changed with seasons as summer>spring>autumn>winter.In one day,the highest oxygen concentration appeared on 14:00,and the concentration was higher in forenoon than afternoon.Reed>canna>camellia>dracaena sanderiana>ipomoea aquatica forsk by comparison of ability of oxygen supply.Experiments demonstrate that the study of oxygen condition in constructed wetlands is propitious to reveal the purifying mechanism of wetlands and improve the purifying efficiency.
%K wetlands
%K subsurface flow
%K oxygen
%K distribution<br>湿地
%K 潜流型
%K 氧
%K 分布
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=517512719F732926&yid=37904DC365DD7266&vid=DB817633AA4F79B9&iid=F3090AE9B60B7ED1&sid=DE12191FBD62783C&eid=FF7AA908D58E97FA&journal_id=0250-3301&journal_name=环境科学&referenced_num=3&reference_num=5