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Key factors driving...
Key factors driving dissolved organic matter composition and bioavailability in lakes situated along the Eastern Route of the South-to-North Water Diversion Project, China
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- Zhou, Yongqiang (author)
- Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
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- Chen, Lili (author)
- Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China.
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- Zhou, Lei (author)
- Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, 71 East Beijing Rd, Nanjing 210008, Peoples R China.
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- Zhang, Yunlin (author)
- Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
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- Peng, Kai (author)
- Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
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- Gong, Zhijun (author)
- Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
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- Jang, Kyoung-Soon (author)
- Korea Basic Sci Inst, Biochem Anal Grp, Cheongju 28119, South Korea.
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- Spencer, Robert G. M. (author)
- Florida State Univ, Dept Earth Ocean & Atmospher Sci, Tallahassee, FL 32306 USA.
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- Jeppesen, Erik (author)
- Aarhus Univ, Dept Ecosci, CF Mollers Alle 3, DK-8000 Aarhus, Denmark.;Aarhus Univ, Ctr Water Technol WATEC, CF Mollers Alle 3, DK-8000 Aarhus, Denmark.;Sino Danish Ctr Educ & Res, Beijing 100190, Peoples R China.;Middle East Tech Univ, Dept Biol Sci, Limnol Lab, TR-06800 Ankara, Turkiye.;Middle East Tech Univ, Ctr Ecosyst Res & Implementat, TR-06800 Ankara, Turkiye.;Middle East Tech Univ, Inst Marine Sci, TR-33731 Mersin, Turkiye.
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- Brookes, Justin D. (author)
- Univ Adelaide, Water Res Ctr, Sch Biol Sci, Adelaide 5005, Australia. Uppsala Univ, Dept Ecol & Genet Limnol, S-75236 Uppsala, Sweden. Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China.
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- Kothawala, Dolly (author)
- Uppsala universitet,Limnologi
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Wu, Fengchang (author)
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Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China. Chinese Acad Sci, Nanjing Inst Geog & Limnol, Taihu Lab Lake Ecosyst Res, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China. (creator_code:org_t)
- Elsevier, 2023
- 2023
- English.
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In: Water Research. - : Elsevier. - 0043-1354 .- 1879-2448. ; 233
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The Eastern Route of the South-to-North Water Diversion Project (SNWDP-ER) is a large scale multi-decade infrastructure project aiming to divert substantial amounts of water (approximate to 45 billion m3 yr-1) to alleviate water shortage in comparatively arid regions of northern China. The project has ramifications for hydrological con-nectivity and biogeochemical cycling of dissolved organic matter (DOM) in regional lakes affected by the project. We carried out an extensive field sampling campaign along the SNWDP-ER in different hydrological seasons of 2018 and monthly observations in Lake Hongze and Lake Luoma from April 2018 to June 2021. We found the lakes connecting to the SNWDP-ER had higher mean DOC, specific UV absorbance, higher ratio of humic-like to protein-like fluorophores (Humic : Protein), and shallower spectral slope (S275-295) in the wet season compared to the wet-to-dry transition, and dry seasons. The southern lakes and Yangtze River had lower DOC concen-tration, bioavailable DOC (BDOC), and higher DOM aromaticity compared to the northern two downstream lakes. Ultrahigh-resolution mass spectrometry (FT-ICR MS) revealed higher relative abundance of CHO-containing and aromatic compounds in the Yangtze River and the southern three upstream lakes compared to the northern two lakes. The data from Lake Hongze and Lake Luoma, studied in different hydrological seasons, suggest that water delivery had high consistency in DOM composition and BDOC over the season. We conclude that positioning along the watercourse and seasonally variable hydrological conditions play an important role in influencing the DOM composition and bioavailability of key lakes connecting to the SNWDP-ER. Our results indicated that the water diversion project delivers water with low DOC concentration and higher aromaticity and thus is of higher quality since it has higher DOM removal potential during drinking water treatment.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Keyword
- Water diversion project
- Dissolved organic matter
- BDOC
- DOC
- FT-ICR MS
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Zhou, Yongqiang
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Chen, Lili
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Zhou, Lei
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Zhang, Yunlin
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Peng, Kai
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Gong, Zhijun
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show more...
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Jang, Kyoung-Soo ...
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Spencer, Robert ...
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Jeppesen, Erik
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Brookes, Justin ...
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Kothawala, Dolly
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Wu, Fengchang
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Oceanography Hyd ...
- Articles in the publication
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Water Research
- By the university
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Uppsala University