Losses Characters of Nitrogen and Phosphorus in Runoff with Different Land Use Pattern in Watershed of Laoshan Reservoir

MA Dong; DU Zhi-yong; WU Juan; ZHOU Zhen-feng; SHI Yan-xi

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Losses Characters of Nitrogen and Phosphorus in Runoff with Different Land Use Pattern in Watershed of Laoshan Reservoir

更新时间：2024-11-07

- Losses Characters of Nitrogen and Phosphorus in Runoff with Different Land Use Pattern in Watershed of Laoshan Reservoir
- Vol. 25, Issue 6, (2011)
- 作者机构：
  
  青岛农业大学资源与环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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MA Dong, DU Zhi-yong, WU Juan, et al. Losses Characters of Nitrogen and Phosphorus in Runoff with Different Land Use Pattern in Watershed of Laoshan Reservoir[J]. 2011, 25(6).
DOI：

MA Dong, DU Zhi-yong, WU Juan, et al. Losses Characters of Nitrogen and Phosphorus in Runoff with Different Land Use Pattern in Watershed of Laoshan Reservoir[J]. 2011, 25(6). DOI：

摘要

在崂山水库流域非点源污染发生区

于2009年7-8月5次天然降水条件下

选择林地、果园、耕地、村庄4种典型的土地利用类型进行降雨、径流水质同步监测

分析不同土地利用类型地表径流中氮磷的流失情况。结果表明

村庄径流中铵态氮、溶解总磷的质量浓度高于其他地块的

最高值分别达4.51

1.337mg/L

耕地径流中硝态氮浓度最高

可达15.52mg/L。基于SCS模型估算不同土地利用类型的氮磷年径流负荷和年径流流失量

总体来看

硝态氮的输出负荷明显高于铵态氮和溶解总磷的

耕地中硝态氮径流负荷最大

可达40.61kg/(hm2.a)

耕地中化肥的大量施用是硝态氮流失负荷高的主要原因。

Abstract

Phosphorous and nitrogen losses characteristic in the runoffs in watersheds of Laoshan reservoir were studied based on runoff observations on four types of non-point pollution generating areas

i.e.forest land

orchard

cultivated land

and village.Synchronous monitoring of rainfall and water quality in the runoffs were performed during a rainy season in 2009.The results showed that the concentration of NH+4-N and dissolved total phosphorus in runoffs was much larger from village than those from other types

and...

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Related Author

YAN Jun1

WU Qixia1

DU Yue

FANG Nufang

ZENG Yi

FAN Rui

Related Institution

College of Agriculture, Yangtze University

Hubei Collaborative Innovation Center for Grain Industry

The Research Center of Soil and Water Conservation and Ecological Environment， Chinese Academy of Sciences and Ministry of Education， Yangling

Institute of Soil and Water Conservation， Chinese Academy of Sciences and Ministry of Water Resources， Yangling

University of Chinese Academy of Sciences

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