[1]孟晓云,于兴修,泮雪芹.云蒙湖流域非点源磷污染时空变化研究[J].水土保持研究,2013,20(04):91-94,98.
　MENG Xiao-yun,YU Xing-xiu,PAN Xue-qin.Spatio-temporal Change of Non-point Source Phosphorous Pollution in Yunmeng Lake Watershed[J].Research of Soil and Water Conservation,2013,20(04):91-94,98.
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云蒙湖流域非点源磷污染时空变化研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年04期 页码: 91-94,98 栏目: 出版日期: 2013-08-28
Title:
Spatio-temporal Change of Non-point Source Phosphorous Pollution in Yunmeng Lake Watershed
作者:
孟晓云1,2, 于兴修2, 泮雪芹1,2
1. 临沂大学 资源环境学院, 山东 临沂 276000;
2. 临沂大学 水土保持与环境保育研究所 山东省水土保持与环境保育重点实验室, 山东 临沂 276000
Author(s):
MENG Xiao-yun1,2, YU Xing-xiu2, PAN Xue-qin1,2
1. School of Resources and Environment, Linyi University, Linyi, Shandong 276000, China;
2. Shandong Provincial Key Laboratory of Soil and Water Conservation & Environmental Protection, Institute of Soil and Water Conservation & Environmental Protection, Linyi University, Linyi, Shandong 276000, China
关键词:
输出系数模型; 云蒙湖流域; 非点源污染; 土地利用结构; 地理信息系统
Keywords:
export coefficient model; Yunmeng Lake watershed; non-point source pollution; land-use structure; GIS
分类号:
X592
摘要:
运用输出系数模型，在GIS&RS支持下，对云蒙湖流域非点源磷污染进行了时空动态模拟。结果表明，1986—2010年，云蒙湖流域非点源磷污染负荷量明显增加，1986、1995与2010年TP负荷量分别为100.98，123.57，144.36 t；从空间分布来看，TP高负荷区主要分布于流域的河谷低平地带，主要是由于该区集中了大部分农业耕作区，化肥施用量高；从土地利用类型来看，耕地非点源污染TP逐年增加，其贡献率也逐年增加，由1986年的89.5%，1995年91.35%上升至2010年92.02%，林地、草地TP变化较小，贡献率呈减小趋势，居民用地TP增加幅度大，但由于面积较小，其贡献率较小；对于子流域而言，耕地面积比例高的子流域，TP负荷强度增加程度较大，TP负荷强度较大的子流域逐渐由中东部地区向全流域扩展。
Abstract:
Export coefficient mode was used to analyze the spatio-temporal changes of the non-point source (NPS) phosphorous pollution based on GIS&RS. The result indicates that the TP load caused by land use increased from 100.98 t in 1986, to 123.57 t in 1995, to 144.36 t in 2010; as far as spatial distribution of the TP load is concerned, the high phosphorous load mainly distributes in the flat River Valley, because there are many farm lands distributed in that region. As for land-use type, different land uses have different contributions to the total non point source pollution load, the TP from farm-land increased year by year, the contribution rate, is 89.5% in 1986, 91.35% in 1995 and 92.02% in 2010, the load of the forest-land and the grass-land had a little change, but the contribution rate decreases gradually, the residential load increases by a large margin, however, the contribution rate is very little. In the term of the sub-basin, the higher the proportion of the farm-land is, the more the TP load increases, the high TP load of the sub-basin expands from the eastern and central region to the whole watershed.

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备注/Memo

收稿日期:2012-12-05;改回日期:2013-02-04。
基金项目:国家自然科学基金（41101263）；山东省科技攻关项目（2011GGH21704）；临沂市重大科技创新项目（201211027）
作者简介:孟晓云(1981-),女,山东邹平人,讲师,硕士,主要研究方向:GIS应用与非点源污染。E-mail:mexiyu.sh.dong@163.com
通讯作者:于兴修(1967-),男,山东莒县人,教授,博士,主要研究方向:资源利用与环境效应。E-mail:xxy2000@126.com

更新日期/Last Update: 1900-01-01