Integration of transport concepts for risk assessment of pesticide erosion
文献类型：期刊论文
| 作者 | Yang, Xiaomei1,2; Van Der Zee, Sjoerd E. A. T. M.2,3; Gai, Lingtong2; Wesseling, Jan G.2; Ritsema, Coen J.2; Geissen, Violette2,4 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2016-05-01 |
| 卷号 | 551页码:563-570 |
| 关键词 | Pesticide Transport model Erosion Sensitivity analysis |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2016.02.058 |
| 英文摘要 | Environmental contamination by agrochemicals has been a large problem for decades. Pesticides are transported in runoff and remain attached to eroded soil particles, posing a risk to water and soil quality and human health. We have developed a parsimonious integrative model of pesticide displacement by runoff and erosion that explicitly accounts for water infiltration, erosion, runoff, and pesticide transport and degradation in soil. The conceptual framework was based on broadly accepted assumptions such as the convection-dispersion equation and lognormal distributions of soil properties associated with transport, sorption, degradation, and erosion. To illustrate the concept, a few assumptions are made with regard to runoff in relatively flat agricultural fields: dispersion is ignored and erosion is modelled by a functional relationship. A sensitivity analysis indicated that the total mass of pesticide associated with soil eroded by water scouring increased with slope, rain intensity, and water field capacity of the soil. The mass of transported pesticide decreased as the micro-topography of the soil surface became more distinct. The timing of pesticide spraying and rate of degradation before erosion negatively affected the total amount of transported pesticide. The mechanisms involved in pesticide displacement, such as runoff, infiltration, soil erosion, and pesticide transport and decay in the topsoil, were all explicitly accounted for, so the mathematical complexity of their description can be high, depending on the situation. (C) 2016 Elsevier B.V. All rights reserved. |
| 资助项目 | China-Netherlands Joint Scientific Thematic Research Programme (JSTP) by the Netherlands Organization for Scientific Research (NWO)[OND1339291] ; External Cooperation Program of the Chinese Academy of Sciences[GJHZ1018] ; National Natural Science Foundation of China[41301283] ; Fundamental Research Funds of Northwest AF University[QN2013051] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000372589800059 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/81]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Yang, Xiaomei |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China 2.Wageningen Univ, Soil Phys & Land Management, POB 47, NL-6700 AA Wageningen, Netherlands 3.Monash Univ, Sch Chem, Melbourne, Vic 3800, Australia 4.Univ Bonn, Inst Crop Sci & Resources Conservat INRES, D-53115 Bonn, Germany |
| 推荐引用方式 GB/T 7714 | Yang, Xiaomei,Van Der Zee, Sjoerd E. A. T. M.,Gai, Lingtong,et al. Integration of transport concepts for risk assessment of pesticide erosion[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,551:563-570. |
| APA | Yang, Xiaomei,Van Der Zee, Sjoerd E. A. T. M.,Gai, Lingtong,Wesseling, Jan G.,Ritsema, Coen J.,&Geissen, Violette.(2016).Integration of transport concepts for risk assessment of pesticide erosion.SCIENCE OF THE TOTAL ENVIRONMENT,551,563-570. |
| MLA | Yang, Xiaomei,et al."Integration of transport concepts for risk assessment of pesticide erosion".SCIENCE OF THE TOTAL ENVIRONMENT 551(2016):563-570. |
入库方式： OAI收割
来源：武汉植物园
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