Modelling Cryptosporidium oocysts transport in small ungauged agricultural catchments
文献类型：期刊论文
| 作者 | Tang, Jialiang1,2 ; McDonald, Stephen2; Peng, Xinhua4; Samadder, Sukha R.2,5; Murphy, Thomas M.3; Holden, Nicholas M.2
|
| 刊名 | WATER RESEARCH
 |
| 出版日期 | 2011-06-01 |
| 卷号 | 45期号:12页码:3665-3680 |
| 关键词 | Stream flow Cryptosporidium oocyst Agricultural catchments SWAT |
| ISSN号 | 0043-1354 |
| 通讯作者 | Jialiang Tang (唐家良) |
| 合作状况 | 国际 |
| 英文摘要 | Cryptosporidium is an environmentally robust pathogen that has caused severe waterborne disease outbreaks worldwide. The main source of zoonotic Cryptosporidium parvum oocysts in human drinking water is likely to be from farm animals via catchment pathways with water as the main transport vector. The vast majority of small agricultural catchments are ungauged therefore it is difficult to use a process model to predict and understand the mechanisms and activities that regulate the risk of surface water contamination from agricultural areas. For this study, two ungauged agricultural catchments in Ireland were used to model Cryptosporidium oocyst transport using SWAT2005 on a daily basis with reference data from adjacent catchment gauging stations. The results indicated that SWAT2005 could simulate stream flow with good agreement between prediction and observation on a monthly basis (R(2) from 0.94 to 0.83 and E (efficiency) from 0.92 to 0.66), but Cryptosporidium oocyst concentration results were less reliable (R(2) from 0.20 to 0.37, P < 0.05; with poor E -0.37 to -2.57). A sensitivity analysis using independent parameter perturbation indicated that temperature was the most important parameter regulating oocyst transport in the study catchments and that the timing of manure application relative to the occurrence of water runoff event was critical. The results also showed that grazing management had little influence on predicted oocyst transport while fields fertilized with manure were the key critical source areas for microbial contaminations in the study catchments. It was concluded that the approach presented could be used to assist with understanding the epidemiology of waterborne cryptosporidiosis outbreaks and to improve catchment management for the safety of the general public health. (C) 2011 Elsevier Ltd. All rights reserved. |
| WOS标题词 | Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences |
| 学科主题 | 环境学 |
| 类目[WOS] | Engineering, Environmental ; Environmental Sciences ; Water Resources |
| 研究领域[WOS] | Engineering ; Environmental Sciences & Ecology ; Water Resources |
| 关键词[WOS] | SENSITIVITY-ANALYSIS ; SURFACE-WATER ; DRINKING-WATER ; PARVUM OOCYSTS ; GIARDIA CYSTS ; DIE-OFF ; BACTERIA ; RISK ; SWAT ; CATTLE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000292475200010 |
| 公开日期 | 2012-12-14 |
| 源URL | [http://192.168.143.20:8080/handle/131551/4528]  |
| 专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China 2.Univ Coll Dublin, UCD Bioresources Res Ctr Biosyst Engn, Sch Agr Food Sci & Vet Med, Dublin 4, Ireland 3.Cent Vet Res Lab, Celbridge, Kildare, Ireland 4.Chinese Acad Sci, State Key Lab Soil & Sustainable Agr, Inst Soil Sci, Nanjing 210008, Peoples R China 5.MANIT, Dept Civil Engn, Bhopal 462051, MP, India |
| 推荐引用方式 GB/T 7714 | Tang, Jialiang,McDonald, Stephen,Peng, Xinhua,et al. Modelling Cryptosporidium oocysts transport in small ungauged agricultural catchments[J]. WATER RESEARCH,2011,45(12):3665-3680. |
| APA | Tang, Jialiang,McDonald, Stephen,Peng, Xinhua,Samadder, Sukha R.,Murphy, Thomas M.,&Holden, Nicholas M..(2011).Modelling Cryptosporidium oocysts transport in small ungauged agricultural catchments.WATER RESEARCH,45(12),3665-3680. |
| MLA | Tang, Jialiang,et al."Modelling Cryptosporidium oocysts transport in small ungauged agricultural catchments".WATER RESEARCH 45.12(2011):3665-3680. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。