Application of modified export coefficient model to estimate nitrogen and phosphorus pollutants from agricultural non-point source
文献类型：期刊论文
| 作者 | Zhao Xiaoyuan3; Zhang Zhongwei2; Liu Xiaojie3; Zhang Qian3; Wang Lingqing3; Chen Hao2; Xiong Guangcheng2; Liu Yuru2; Tang Qiang2; Ruan Huada Daniel1 |
| 刊名 | JOURNAL OF GEOGRAPHICAL SCIENCES
 |
| 出版日期 | 2023 |
| 卷号 | 33期号:10页码:2094 |
| ISSN号 | 1009-637X |
| 关键词 | modified export coefficient model pollution load non-point source pollution total nitrogen total phosphorus |
| 英文摘要 | There is a great uncertainty in generation and formation of non-point source (NPS) pollutants,which leads to difficulties in the investigation of monitoring and control.However,accurate calculation of these pollutant loads is closely correlated to control NPS pollutants in agriculture.In addition,the relationships between pollutant load and human activity and physiographic factor remain elusive.In this study,a modified model with the whole process of agricultural NPS pollutant migration was established by introducing factors including rainfall driving,terrain impact,runoff index,leaching index and landscape intercept index for the load calculation.Partial least squares path modeling was applied to explore the interactions between these factors.The simulation results indicated that the average total nitrogen (TN) load intensity was 0.57 t km~(-2) and the average total phosphorus (TP) load intensity was 0.01 t km~(-2) in Chengdu Plain.The critical effects identified in this study could provide useful guidance to NPS pollution control.These findings further our understanding of the NPS pollution control in agriculture and the formulation of sustainable preventive measures. |
| 语种 | 英语 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/198976]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 作者单位 | 1.北京师范大学-香港浸会大学联合国际学院 2.Changjiang Institute of Survey,Planning,Design and Research Co.,Ltd. 3.中国科学院地理科学与资源研究所 |
| 推荐引用方式 GB/T 7714 | Zhao Xiaoyuan,Zhang Zhongwei,Liu Xiaojie,et al. Application of modified export coefficient model to estimate nitrogen and phosphorus pollutants from agricultural non-point source[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2023,33(10):2094. |
| APA | Zhao Xiaoyuan.,Zhang Zhongwei.,Liu Xiaojie.,Zhang Qian.,Wang Lingqing.,...&Ruan Huada Daniel.(2023).Application of modified export coefficient model to estimate nitrogen and phosphorus pollutants from agricultural non-point source.JOURNAL OF GEOGRAPHICAL SCIENCES,33(10),2094. |
| MLA | Zhao Xiaoyuan,et al."Application of modified export coefficient model to estimate nitrogen and phosphorus pollutants from agricultural non-point source".JOURNAL OF GEOGRAPHICAL SCIENCES 33.10(2023):2094. |
入库方式： OAI收割
来源：地理科学与资源研究所
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