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Complex dynamics of water quality mixing in a warm mono-mictic reservoir
Noori, Roohollah1; Ansari, Elmira2; Bhattarai, Rabin3; Tang, Qiuhong4,5; Aradpour, Saber6; Maghrebi, Mohsen2; Haghighi, Ali Torabi1; Bengtsson, Lars7; Klove, Bjorn1
2021-07-10
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume777Pages:12
Corresponding AuthorNoori, Roohollah(roohollah.noori@oulu.fi)
AbstractCycling of water quality constituents in lakes is affected by thermal stratification and homo-thermal conditions and other factors such as oligotrophication, eutrophication, and microbial activities. In addition, hydrological variability can cause greater differences in water residence time and cycling of constituents in man-made lakes (reservoirs) than in natural lakes. Thus, investigations are needed on vertical mixing of constituents in new impounded reservoirs, especially those constructed to supply domestic water. In this study, sampling campaigns were conducted in the Sabalan reservoir, Iran, to investigate vertical changes in constituent concentrations during the year in periods with thermal stratification and homo-thermal conditions. The results revealed incomplete mixing of constituents, even during cold months when the reservoir was homo-thermal. These conditions interacted to create a bottom-up regulated reservoir with sediment that released settled pollutants, impairing water quality in the Sabalan reservoir during both thermal stratification and homo-thermal conditions. Analysis of total nitrogen and total phosphorus concentrations revealed that the reservoir was eutrophic. External pollution loads, internal cycling of pollutants diffusing out from bottom sediments, reductions in inflow to the reservoir, and reservoir operations regulated vertical mixing and concentrations of constituents in the Sabalan reservoir throughout the year. (C) 2021 The Author(s). Published by Elsevier B.V.
KeywordThermal stratification Homo-thermal condition Nutrients Oxycline Incomplete mixing
DOI10.1016/j.scitotenv.2021.146097
WOS KeywordSEDIMENT OXYGEN-DEMAND ; THERMAL STRATIFICATION ; VERTICAL-DISTRIBUTION ; CLIMATE-CHANGE ; LAKE BIWA ; PHYTOPLANKTON ; CHLOROPHYLL ; SIMULATION ; RIVER ; PATTERNS
Indexed BySCI
Language英语
Funding ProjectArdabil Regional Water Authority Major Project: ReducedOrder Modeling of Eutrophication and Water Quality of the Most Important Dams in Ardabil Province (Case Study: Sabalan Dam)[ARE93037]
Funding OrganizationArdabil Regional Water Authority Major Project: ReducedOrder Modeling of Eutrophication and Water Quality of the Most Important Dams in Ardabil Province (Case Study: Sabalan Dam)
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000655617300013
PublisherELSEVIER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/163914
Collection中国科学院地理科学与资源研究所
Corresponding AuthorNoori, Roohollah
Affiliation1.Univ Oulu, Water Energy & Environm Engn Res Unit, POB 4300, FIN-90014 Oulu, Finland
2.Univ Tehran, Sch Environm, Coll Engn, Tehran, Iran
3.Univ Illinois, Dept Agr & Biol Engn, Urbana, IL 61801 USA
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Beijing, Peoples R China
6.Islamic Azad Univ, Sci & Res Branch, Dept Civil Engn Architecture & Art, Tehran, Iran
7.Lund Univ, Water Resources Engn, Box 117, S-221007 Lund, Sweden
Recommended Citation
GB/T 7714
Noori, Roohollah,Ansari, Elmira,Bhattarai, Rabin,et al. Complex dynamics of water quality mixing in a warm mono-mictic reservoir[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,777:12.
APA Noori, Roohollah.,Ansari, Elmira.,Bhattarai, Rabin.,Tang, Qiuhong.,Aradpour, Saber.,...&Klove, Bjorn.(2021).Complex dynamics of water quality mixing in a warm mono-mictic reservoir.SCIENCE OF THE TOTAL ENVIRONMENT,777,12.
MLA Noori, Roohollah,et al."Complex dynamics of water quality mixing in a warm mono-mictic reservoir".SCIENCE OF THE TOTAL ENVIRONMENT 777(2021):12.
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