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Article: Nutrient load estimation in nonpoint source pollution of Hong Kong region

TitleNutrient load estimation in nonpoint source pollution of Hong Kong region
Authors
KeywordsHong Kong
Integrated mean concentration
Load estimation
Nonpoint source pollution
Nutrients
Issue Date2005
PublisherIWA Publishing. The Journal's web site is located at http://www.iwapublishing.com/template.cfm?name=iwapwst
Citation
Water Science And Technology, 2005, v. 51 n. 3-4, p. 209-216 How to Cite?
AbstractRed tides and eutrophication have been frequently observed over the past two decades in coastal waters around Hong Kong, which are caused by many factors and one of them is the nutrient from nonpoint source pollution (NSP). This paper concentrates on the nutrients carried by river flow from watersheds. Since there are no systematical data sets of nonpoint source pollution in Hong Kong, monthly river water quality measurements, rainfall and river flow data, land uses, and other related information are used to analyze the characteristics of NSP and estimate the nutrient loads for Hong Kong region. Main achievements are as follows: firstly, besides mean concentration for single land use, the concept of integrated mean concentration for mixed land uses was proposed and applied. Secondly, mean concentrations were carried out for different land uses (agriculture, town, grassland, shrubland and woodland), each Water Control Zone, and Hong Kong region. Thirdly, the annual nutrient loads were estimated, for the first time in this paper, with various methods for the whole area of Hong Kong, and about 8,000 tons of TN and 1,500 tons TP are transported into coastal waters from Hong Kong's land in 1998. © IWA Publishing 2005.
Persistent Identifierhttp://hdl.handle.net/10722/71328
ISSN
2015 Impact Factor: 1.064
2015 SCImago Journal Rankings: 0.469
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, HEen_HK
dc.contributor.authorLee, JHWen_HK
dc.contributor.authorKoenig, Aen_HK
dc.contributor.authorJayawardena, AWen_HK
dc.date.accessioned2010-09-06T06:31:00Z-
dc.date.available2010-09-06T06:31:00Z-
dc.date.issued2005en_HK
dc.identifier.citationWater Science And Technology, 2005, v. 51 n. 3-4, p. 209-216en_HK
dc.identifier.issn0273-1223en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71328-
dc.description.abstractRed tides and eutrophication have been frequently observed over the past two decades in coastal waters around Hong Kong, which are caused by many factors and one of them is the nutrient from nonpoint source pollution (NSP). This paper concentrates on the nutrients carried by river flow from watersheds. Since there are no systematical data sets of nonpoint source pollution in Hong Kong, monthly river water quality measurements, rainfall and river flow data, land uses, and other related information are used to analyze the characteristics of NSP and estimate the nutrient loads for Hong Kong region. Main achievements are as follows: firstly, besides mean concentration for single land use, the concept of integrated mean concentration for mixed land uses was proposed and applied. Secondly, mean concentrations were carried out for different land uses (agriculture, town, grassland, shrubland and woodland), each Water Control Zone, and Hong Kong region. Thirdly, the annual nutrient loads were estimated, for the first time in this paper, with various methods for the whole area of Hong Kong, and about 8,000 tons of TN and 1,500 tons TP are transported into coastal waters from Hong Kong's land in 1998. © IWA Publishing 2005.en_HK
dc.languageengen_HK
dc.publisherIWA Publishing. The Journal's web site is located at http://www.iwapublishing.com/template.cfm?name=iwapwsten_HK
dc.relation.ispartofWater Science and Technologyen_HK
dc.subjectHong Kongen_HK
dc.subjectIntegrated mean concentrationen_HK
dc.subjectLoad estimationen_HK
dc.subjectNonpoint source pollutionen_HK
dc.subjectNutrientsen_HK
dc.subject.meshAnimal Husbandryen_HK
dc.subject.meshAnimalsen_HK
dc.subject.meshAnimals, Domesticen_HK
dc.subject.meshEnvironmental Monitoringen_HK
dc.subject.meshEutrophicationen_HK
dc.subject.meshFecesen_HK
dc.subject.meshHong Kongen_HK
dc.subject.meshHumansen_HK
dc.subject.meshNitrogen - analysisen_HK
dc.subject.meshPhosphorus - analysisen_HK
dc.subject.meshRivers - chemistryen_HK
dc.subject.meshSewageen_HK
dc.subject.meshWater Pollutants, Chemical - analysisen_HK
dc.subject.meshWater Pollution, Chemical - prevention & controlen_HK
dc.subject.meshWater Supplyen_HK
dc.titleNutrient load estimation in nonpoint source pollution of Hong Kong regionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0273-1223&volume=51&issue=3-4&spage=209&epage=216&date=2005&atitle=Nutrient+load+estimation+in+nonpoint+source+pollution+of+Hong+Kong+regionen_HK
dc.identifier.emailLee, JHW: hreclhw@hku.hken_HK
dc.identifier.emailKoenig, A: kalbert@hkucc.hku.hken_HK
dc.identifier.authorityLee, JHW=rp00061en_HK
dc.identifier.authorityKoenig, A=rp00125en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid15850192en_HK
dc.identifier.scopuseid_2-s2.0-17544375119en_HK
dc.identifier.hkuros110560en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-17544375119&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume51en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage209en_HK
dc.identifier.epage216en_HK
dc.identifier.isiWOS:000228827100027-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLi, HE=15034819800en_HK
dc.identifier.scopusauthoridLee, JHW=36078318900en_HK
dc.identifier.scopusauthoridKoenig, A=7103178143en_HK
dc.identifier.scopusauthoridJayawardena, AW=7005049253en_HK

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