Spatial and Temporal Variations of Water Quality and Trophic Status in Xili Reservoir: a Subtropics Drinking Water Reservoir of Southeast China
Controlling of water quality pollution and eutrophication of reservoirs has become a very important research topic in urban drinking water field. Xili reservoir is an important water source of drinking water in Shenzhen. And its water quality has played an important role to the city's drinking...
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| description | Controlling of water quality pollution and eutrophication of reservoirs has become a very important research topic in urban drinking water field. Xili reservoir is an important water source of drinking water in Shenzhen. And its water quality has played an important role to the city's drinking water security. A fifteen-month's field observation was conducted from April 2013 to June 2014 in Xili reservoir, in order to analyze the temporal and spatial distribution of water quality factors and seasonal variation of trophic states. Xili reservoir was seriously polluted by nitrogen. Judged by TN most of the samples were no better than grade VI. Other water quality factor including WT, SD, pH, DO, COD, TOC, TP, Fe, silicate, turbidity, chlorophyll-a were pretty good. One-way ANOVA showed that significant difference was found in water quality factors on month (p High temperature and rain free period > Temperature jump period > Winter drought period. Two-way ANOVA showed that months rather than locations were the key influencing factors of water quality factors succession.TLI (Σ) were about 35~52, suggesting Xili reservoir was in mycotrophic trophic states. As a result of runoff pollution, water quality at sampling sites 1 and 10 was poor. In the rainy season, near sampling sites 1 and 10, water appeared to be Light-eutrophic. The phytoplankton biomass of Xili reservoir was low. Water temperature was the main driving factor of phytoplankton succession.The 14 water quality factors were divided into five groups by factor analysis. The total interpretation rate was about 70.82%. F1 represents the climatic change represented by water temperature and organic pollution. F2 represents the concentration of nitrogen. F3 represents the phytoplankton biomass. F4 represents the sensory indexes of water body, such as turbidity, transparency. |
| doi_str_mv | 10.1088/1755-1315/100/1/012183 |
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Xili reservoir is an important water source of drinking water in Shenzhen. And its water quality has played an important role to the city's drinking water security. A fifteen-month's field observation was conducted from April 2013 to June 2014 in Xili reservoir, in order to analyze the temporal and spatial distribution of water quality factors and seasonal variation of trophic states. Xili reservoir was seriously polluted by nitrogen. Judged by TN most of the samples were no better than grade VI. Other water quality factor including WT, SD, pH, DO, COD, TOC, TP, Fe, silicate, turbidity, chlorophyll-a were pretty good. One-way ANOVA showed that significant difference was found in water quality factors on month (p<0.005). The spatial heterogeneity of water quality was obvious (p<0.05). The successions of water quality factors y were similar and the mainly pattern was Pre-rainy period > Latter rainy period > High temperature and rain free period > Temperature jump period > Winter drought period. Two-way ANOVA showed that months rather than locations were the key influencing factors of water quality factors succession.TLI (Σ) were about 35~52, suggesting Xili reservoir was in mycotrophic trophic states. As a result of runoff pollution, water quality at sampling sites 1 and 10 was poor. In the rainy season, near sampling sites 1 and 10, water appeared to be Light-eutrophic. The phytoplankton biomass of Xili reservoir was low. Water temperature was the main driving factor of phytoplankton succession.The 14 water quality factors were divided into five groups by factor analysis. The total interpretation rate was about 70.82%. F1 represents the climatic change represented by water temperature and organic pollution. F2 represents the concentration of nitrogen. F3 represents the phytoplankton biomass. F4 represents the sensory indexes of water body, such as turbidity, transparency.</description><identifier>ISSN: 1755-1307</identifier><identifier>EISSN: 1755-1315</identifier><identifier>DOI: 10.1088/1755-1315/100/1/012183</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Biomass ; Chlorophyll ; Climate change ; Drinking behavior ; Drinking water ; Drought ; Ecological succession ; Eutrophic environments ; Eutrophication ; Factor analysis ; Heterogeneity ; High temperature ; Nitrogen ; Phytoplankton ; Pollution ; Q factors ; Rainy season ; Reservoirs ; Runoff ; Sampling ; Seasonal variations ; Security ; Spatial distribution ; Spatial heterogeneity ; Temporal variations ; Trophic levels ; Trophic status ; Turbidity ; Variance analysis ; Water bodies ; Water pollution ; Water quality ; Water quality control ; Water temperature</subject><ispartof>IOP conference series. Earth and environmental science, 2017-12, Vol.100 (1), p.12183</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2017. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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Earth and environmental science</title><addtitle>IOP Conf. Ser.: Earth Environ. Sci</addtitle><description>Controlling of water quality pollution and eutrophication of reservoirs has become a very important research topic in urban drinking water field. Xili reservoir is an important water source of drinking water in Shenzhen. And its water quality has played an important role to the city's drinking water security. A fifteen-month's field observation was conducted from April 2013 to June 2014 in Xili reservoir, in order to analyze the temporal and spatial distribution of water quality factors and seasonal variation of trophic states. Xili reservoir was seriously polluted by nitrogen. Judged by TN most of the samples were no better than grade VI. Other water quality factor including WT, SD, pH, DO, COD, TOC, TP, Fe, silicate, turbidity, chlorophyll-a were pretty good. One-way ANOVA showed that significant difference was found in water quality factors on month (p<0.005). The spatial heterogeneity of water quality was obvious (p<0.05). The successions of water quality factors y were similar and the mainly pattern was Pre-rainy period > Latter rainy period > High temperature and rain free period > Temperature jump period > Winter drought period. Two-way ANOVA showed that months rather than locations were the key influencing factors of water quality factors succession.TLI (Σ) were about 35~52, suggesting Xili reservoir was in mycotrophic trophic states. As a result of runoff pollution, water quality at sampling sites 1 and 10 was poor. In the rainy season, near sampling sites 1 and 10, water appeared to be Light-eutrophic. The phytoplankton biomass of Xili reservoir was low. Water temperature was the main driving factor of phytoplankton succession.The 14 water quality factors were divided into five groups by factor analysis. The total interpretation rate was about 70.82%. F1 represents the climatic change represented by water temperature and organic pollution. F2 represents the concentration of nitrogen. F3 represents the phytoplankton biomass. F4 represents the sensory indexes of water body, such as turbidity, transparency.</description><subject>Biomass</subject><subject>Chlorophyll</subject><subject>Climate change</subject><subject>Drinking behavior</subject><subject>Drinking water</subject><subject>Drought</subject><subject>Ecological succession</subject><subject>Eutrophic environments</subject><subject>Eutrophication</subject><subject>Factor analysis</subject><subject>Heterogeneity</subject><subject>High temperature</subject><subject>Nitrogen</subject><subject>Phytoplankton</subject><subject>Pollution</subject><subject>Q factors</subject><subject>Rainy season</subject><subject>Reservoirs</subject><subject>Runoff</subject><subject>Sampling</subject><subject>Seasonal variations</subject><subject>Security</subject><subject>Spatial distribution</subject><subject>Spatial heterogeneity</subject><subject>Temporal variations</subject><subject>Trophic levels</subject><subject>Trophic status</subject><subject>Turbidity</subject><subject>Variance analysis</subject><subject>Water bodies</subject><subject>Water pollution</subject><subject>Water quality</subject><subject>Water quality control</subject><subject>Water temperature</subject><issn>1755-1307</issn><issn>1755-1315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkF1LwzAUhosoOKd_QQJez-YkbZp6J_MTBqKbH3flLEtd5mxqkgr7Ff5lWzrmpVfn63nfA28UnQI9ByplDFmajoBDGgOlMcQUGEi-Fw12h_1dT7PD6Mj7FaUiS3g-iH6mNQaDa4LVgsz0Z21dO7ygM-3aVp7Ykrxi0I48Nrg2YdODztZLo8g0YGg8MRV5M2tDnrTX7tsad0GQTJt5aDGjPLlypvow1fvWaYd15lPbhKVGH8h4aSo8jg5KXHt9sq3D6Pnmeja-G00ebu_Hl5ORSjgLI2DIcEF5XlIJiikBPJGIssxVIlgOTKRa8lyIJFeYU5lCCZQLMeeZzhZM8WF01vvWzn412odiZRtXtS8LlqYyoZDltKVETylnvXe6LGpnPtFtCqBFF37R5Vp0Gbdjuyr68Fsh64XG1n_O_4h-ARjMhoY</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Yunlong, Song</creator><creator>Zhang, Jinsong</creator><creator>Zhu, Jia</creator><creator>Li, Wang</creator><creator>Chang, Aimin</creator><creator>Yi, Tao</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>PATMY</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PYCSY</scope></search><sort><creationdate>20171201</creationdate><title>Spatial and Temporal Variations of Water Quality and Trophic Status in Xili Reservoir: a Subtropics Drinking Water Reservoir of Southeast China</title><author>Yunlong, Song ; Zhang, Jinsong ; Zhu, Jia ; Li, Wang ; Chang, Aimin ; Yi, Tao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c432t-12a2ad039f081c2c61348aa8f9c46291265e8396649ca90851f10366b37e7d2c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Biomass</topic><topic>Chlorophyll</topic><topic>Climate change</topic><topic>Drinking behavior</topic><topic>Drinking water</topic><topic>Drought</topic><topic>Ecological succession</topic><topic>Eutrophic environments</topic><topic>Eutrophication</topic><topic>Factor analysis</topic><topic>Heterogeneity</topic><topic>High temperature</topic><topic>Nitrogen</topic><topic>Phytoplankton</topic><topic>Pollution</topic><topic>Q factors</topic><topic>Rainy season</topic><topic>Reservoirs</topic><topic>Runoff</topic><topic>Sampling</topic><topic>Seasonal variations</topic><topic>Security</topic><topic>Spatial distribution</topic><topic>Spatial heterogeneity</topic><topic>Temporal variations</topic><topic>Trophic levels</topic><topic>Trophic status</topic><topic>Turbidity</topic><topic>Variance analysis</topic><topic>Water bodies</topic><topic>Water pollution</topic><topic>Water quality</topic><topic>Water quality control</topic><topic>Water temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yunlong, Song</creatorcontrib><creatorcontrib>Zhang, Jinsong</creatorcontrib><creatorcontrib>Zhu, Jia</creatorcontrib><creatorcontrib>Li, Wang</creatorcontrib><creatorcontrib>Chang, Aimin</creatorcontrib><creatorcontrib>Yi, Tao</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Environmental Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Environmental Science Collection</collection><jtitle>IOP conference series. Earth and environmental science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yunlong, Song</au><au>Zhang, Jinsong</au><au>Zhu, Jia</au><au>Li, Wang</au><au>Chang, Aimin</au><au>Yi, Tao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spatial and Temporal Variations of Water Quality and Trophic Status in Xili Reservoir: a Subtropics Drinking Water Reservoir of Southeast China</atitle><jtitle>IOP conference series. Earth and environmental science</jtitle><addtitle>IOP Conf. Ser.: Earth Environ. Sci</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>100</volume><issue>1</issue><spage>12183</spage><pages>12183-</pages><issn>1755-1307</issn><eissn>1755-1315</eissn><abstract>Controlling of water quality pollution and eutrophication of reservoirs has become a very important research topic in urban drinking water field. Xili reservoir is an important water source of drinking water in Shenzhen. And its water quality has played an important role to the city's drinking water security. A fifteen-month's field observation was conducted from April 2013 to June 2014 in Xili reservoir, in order to analyze the temporal and spatial distribution of water quality factors and seasonal variation of trophic states. Xili reservoir was seriously polluted by nitrogen. Judged by TN most of the samples were no better than grade VI. Other water quality factor including WT, SD, pH, DO, COD, TOC, TP, Fe, silicate, turbidity, chlorophyll-a were pretty good. One-way ANOVA showed that significant difference was found in water quality factors on month (p<0.005). The spatial heterogeneity of water quality was obvious (p<0.05). The successions of water quality factors y were similar and the mainly pattern was Pre-rainy period > Latter rainy period > High temperature and rain free period > Temperature jump period > Winter drought period. Two-way ANOVA showed that months rather than locations were the key influencing factors of water quality factors succession.TLI (Σ) were about 35~52, suggesting Xili reservoir was in mycotrophic trophic states. As a result of runoff pollution, water quality at sampling sites 1 and 10 was poor. In the rainy season, near sampling sites 1 and 10, water appeared to be Light-eutrophic. The phytoplankton biomass of Xili reservoir was low. Water temperature was the main driving factor of phytoplankton succession.The 14 water quality factors were divided into five groups by factor analysis. The total interpretation rate was about 70.82%. F1 represents the climatic change represented by water temperature and organic pollution. F2 represents the concentration of nitrogen. F3 represents the phytoplankton biomass. F4 represents the sensory indexes of water body, such as turbidity, transparency.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1755-1315/100/1/012183</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Biomass Chlorophyll Climate change Drinking behavior Drinking water Drought Ecological succession Eutrophic environments Eutrophication Factor analysis Heterogeneity High temperature Nitrogen Phytoplankton Pollution Q factors Rainy season Reservoirs Runoff Sampling Seasonal variations Security Spatial distribution Spatial heterogeneity Temporal variations Trophic levels Trophic status Turbidity Variance analysis Water bodies Water pollution Water quality Water quality control Water temperature |
| title | Spatial and Temporal Variations of Water Quality and Trophic Status in Xili Reservoir: a Subtropics Drinking Water Reservoir of Southeast China |
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