摘要
本研究通过对尼山水库流域进行实地调查和资料收集,利用SWAT模型估算了尼山水库流域面源污染负荷,分析了面源污染的时空分布特征,识别了尼山水库流域面源污染关键污染区域和关键污染源。结果表明:2015–2018年,流域总氮、总磷入库负荷平均值为264.74 t/a和43.1 t/a,雨季(6–8月)总氮、总磷入库负荷分别占总入库负荷的93.23%、87.90%;尼山水库流域总氮和总磷高流失区集中在张庄镇、尼山镇,其次为田黄镇西南部和圣水峪镇北部;肥料流失是造成尼山水库流域面源污染的主要的人为因素,其中氨氮、总氮、总磷分别占总量的34.52%、39.85%和52.95%。
Based on the field investigation and data collection of Nishan reservoir basin,the pollution load was estimated,the characteristic of spatial and temporal distribution was analyzed,and the key pollution area and source was identified by SWAT model.The results showed that average load of total nitrogen(TN)and phosphorus(TP)was 264.74 t/a and 43.1 t/a in 2015-2018.The load of TN and TP accounted for 93.23%and 87.90%in the rainy season(June-August).The high loss area of TN and TP were Zhangzhuang town and Nishan town,followed by the southwest of Tianhuang town and the north of Shengshuiyu town in Nishan reservoir basin.Fertilizer loss was the main human factor of non-point source pollution of Nishan reservoir basin,in which ammonia nitrogen(NH3-N),TN and TPaccounted for 34.52%,39.85%and 52.95%,respectively.
作者
矫桂丽
刘洪林
孙秀玲
尹儿琴
姜瑞雪
JIAO Gui-li;LIU Hong-lin;SUN Xiu-ling;YIN Er-qin;JIANG Rui-xue(Hydrological Bureau of Shandong Province,Jinan 250002,China;School of Civil Engineering/Shandong University,Jinan 250061,China;College of Water Conservancy and Civil Engineering/Shandong Agricultural University,Tai’an 271018,China)
出处
《山东农业大学学报（自然科学版）》
北大核心
2021年第3期470-474,共5页
Journal of Shandong Agricultural University：Natural Science Edition
基金
山东省水文局典型区域面源污染估算、典型流域污染物通量分析研究项目(HYHA2019-0731\SDGP370000201902002236)。
关键词
尼山水库
面源污染
SWAT模型
Nishan reservoir
non-point source pollution
SWAT model
