太湖流域果园种植面源氮磷输出强度及其定量评估方法  

Output Intensity and Quantitative Evaluation Method of Non-Point Source Nitrogen and Phosphorus in Orchard in Taihu Lake Basin

作　　者：孙辉 黄煜琪 傅煜 潘一伊 徐强强 左晓俊 SUN Hui;HUANG Yuqi;FU Yu;PAN Yiyi;XU Qiangqiang;ZUO Xiaojun(School of Environmental Science and Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,China;Changwang College,Nanjing University of Information Science and Technology,Nanjing 210044,China;Binjiang College,Nanjing University of Information Technology,Wuxi 214000,China)

机构地区：[1]南京信息工程大学环境科学与工程学院,江苏南京210044 [2]南京信息工程大学长望学院,江苏南京210044 [3]南京信息工程大学滨江学院,江苏无锡214000

出　　处：《中国环境监测》2021年第5期133-139,共7页Environmental Monitoring in China

基　　金：无锡市科技发展资金项目(N20193002);南京信息工程大学大学生创新创业训练计划项目(1494072001586)。

摘　　要：以太湖流域上游地区无锡阳山地区果园种植典型区域为研究对象,通过现场试验,调查了果园种植面源氮磷输出动态变化过程,计算并分析了氮磷输出强度,构建了果园种植面源氮磷输出强度定量评估模型。结果表明:取样监测期间,果园种植径流及淋溶氮磷指标变化幅度均超过200%;果园种植面源氮磷径流输出强度与其淋溶输出的变化一致,径流总氮的输出强度最高(13.201 kg/hm^( 2)),淋溶硝酸盐输出强度最大(4.077 kg/hm^( 2));所建立的评估方程能较好地反映降雨量等环境因素对果园种植面源氮磷径流及淋溶输出强度的影响情况,模拟方程的复相关系数均在0.9左右。The typical orchard planting area in Yangshan area of Wuxi in the upper reaches of Taihu Lake Basin was taken as the research object in this study,the dynamic change process of orchard non-point source nitrogen and phosphorus output was investigated through field experiment,its nitrogen and phosphorus output intensity was calculated and analyzed,and a quantitative evaluation model of orchard planting non-point source nitrogen and phosphorus output intensity was constructed.The results showed that during the sampling and monitoring period,the variation range of orchard planting runoff and leaching nitrogen and phosphorus index was more than 200%.The output intensity of non-point source nitrogen and phosphorus in orchard was consistent with that of leaching,the output intensity of total nitrogen(TN)in runoff was the highest(13.201 kg/hm^( 2)),and the output intensity of leaching nitrate(NO-3)was the highest(4.077 kg/hm^( 2)).The established evaluation equation could well reflect the effects of environmental factors such as rainfall on orchard non-point source nitrogen and phosphorus runoff and leaching output intensity,the multiple correlation coefficient of the simulation equation was about 0.9.

关 键 词：太湖流域 果园种植 径流 淋溶 输出强度 评估模型 

分 类 号：X824[环境科学与工程—环境工程]