WEN Jun,LUO Xian-bao,LUO Dong-qi,et al.Analysis of Cause of Formation Acid Rain Pollution in Qiandao Lake Area[J].Research of Soil and Water Conservation,2005,12(02):42-45.
千岛湖区域酸雨污染成因分析
- Title:
- Analysis of Cause of Formation Acid Rain Pollution in Qiandao Lake Area
- Keywords:
- the Qiandao Lake; acid rain; pollution cause of formation; analysis
- 分类号:
- X517
- 摘要:
- 从1996年以来，千岛湖的酸雨呈现为酸雨频率逐年上升的趋势，各年度酸雨率均超过80%，酸雨平均pH值降低至接近4.0。大气监测资料表明，千岛湖流域内大气中SO2和NOx的含量多年来一直保持在国家一级标准以内；其指标表现出下降的趋势，与流域内酸雨问题日渐加重的趋势相反；而TSP和降尘在近年中的变化趋势不明显，两项目指标均呈现出较小的波动变化的特征。由于相关分析和关联分析结果显示，千岛湖流域酸雨的变化与流域内近地大气中污染物的含量变化无关，说明酸雨的来源很可能来自于区域以外其它地区的输入
- Abstract:
- The occurrence frequency of acid rain in the Qiandao Lake region has been increasing gradually since 1996.The yearly occurrence rate of acid rain is over 80%.The average pH value of acid rain is approaching 4.0.The atmosphere data indicates a decline trend of SO2 and NOx whose proportions have been maintained below the national first-class standard,which is in striking contrast to the increasingly severe situation of acid rain.Significant change trends are not discovered on TSP and falling dust.Both fluctuate in a narrow range in recent years. The results of correlation analysis and association analysis demonstrate that the change of acid rain in the Qiandao Lake region is independent of the atmosphere contamination change in low altitude,which indicates that the sources of acid rain may come from other regions.According to the analysis of comprehensive factors such as topography and wind direction in the Qiandao Lake region, the sources of acid rain may come from the eastern developed areas in Zhejiang Province.It is strange that in the Qiandao Lake region there was no acid rain in 1996.An analysis of this abnormal phenomenon indicates that some areas in Anhui Province are probably another source of acid rain.
参考文献/References:
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备注/Memo
收稿日期:2004-8-7;
基金项目:杭州市旅游委员会专项资金JY03080项资助
作者简介:文军（1970- ），男，广西大学农学院副教授，生态学博士，主要从事教学与科研工作，研究方向为生态风险评价与环境规划，已在各类刊物发表科研论文近40篇.