Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/S0140-1963(03)00118-6 |
Quality issues in harvested rainwater in arid and semi-arid Loess Plateau of northern China | |
Zhu, K; Zhang, L; Hart, W; Liu, MC; Chen, H | |
通讯作者 | Zhu, K |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS
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ISSN | 0140-1963 |
EISSN | 1095-922X |
出版年 | 2004 |
卷号 | 57期号:4页码:487-505 |
英文摘要 | Loess soils cover vast areas in the arid and semi-arid regions of northern China. Due to the lack of reliable surface water and ground-water, rainwater harvesting has played a prominent role in farmers’ domestic usage and agricultural irrigation. An economical arid valid type of water storage cistern with optimum design of components has been introduced to rural areas in the Loess Plateau. Different collection alternatives showed apparent variations in rainwater quality. By using different catchments, such as mortar roofs and cement-paved courtyards, compacted land or road surfaces, rainwater can be effectively collected for storage in cisterns. This study focused mainly on the quality of rainwater harvested from the different catchment systems and stored for different periods of time. By analysis of the water samples stored in these cisterns, it was evident that rainwater quality could be improved significantly by self-purification during the storage. With emphasis on rainwater quality affected by the different catchment systems, it was found that the measured inorganic compounds in the rainwater harvested from roof-yard catchment systems generally matched the WHO standards for drinking water, while the concentrations of some inorganic compounds in the rainwater collected from land and road surfaces appeared to be higher than the guideline values for drinking water, but generally not beyond the maximum permissible concentrations. However, Fecal Coliform, which is an important bacteriological parameter for the three catchment systems, exceeded the limits of drinking water to a greater extend. Trace amounts of 55 organic pollutants were identified, including aliphatic hydrocarbons, aromatic compounds and phthalate esters, etc. The analytical results indicated that roof-yard catchments that included the "first flush" usually provided safe drinking water with low organic contents, even for rainwater collected immediately after rainfall. In contrast, rainwater harvested from road surfaces had poor quality with respect to the organic constituents, regardless of stored time. (C) 2003 Elsevier Ltd. All rights reserved. |
英文关键词 | rainwater harvesting Loess soil catchment cistern rainwater quality chemical compounds organic pollutants |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China ; Canada ; Sweden |
收录类别 | SCI-E |
WOS记录号 | WOS:000221112900005 |
WOS类目 | Ecology ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | 兰州大学 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/147183 |
作者单位 | (1)Lanzhou Railway Univ, Dept Environm Engn, Lanzhou 730070, Gansu, Peoples R China;(2)NW Normal Univ, Dept Chem, Lanzhou 730070, Gansu, Peoples R China;(3)Lanzhou Univ, Fac Analyt Chem, Lanzhou 730000, Gansu, Peoples R China;(4)Dalhousie Univ, Ctr Water Resources Studies, Halifax, NS, Canada;(5)Lund Univ, Dept Water Resources Engn, S-22100 Lund, Sweden |
推荐引用方式 GB/T 7714 | Zhu, K,Zhang, L,Hart, W,et al. Quality issues in harvested rainwater in arid and semi-arid Loess Plateau of northern China[J]. 兰州大学,2004,57(4):487-505. |
APA | Zhu, K,Zhang, L,Hart, W,Liu, MC,&Chen, H.(2004).Quality issues in harvested rainwater in arid and semi-arid Loess Plateau of northern China.JOURNAL OF ARID ENVIRONMENTS,57(4),487-505. |
MLA | Zhu, K,et al."Quality issues in harvested rainwater in arid and semi-arid Loess Plateau of northern China".JOURNAL OF ARID ENVIRONMENTS 57.4(2004):487-505. |
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