Temporal and spatial variations of sulfur speciations in the sediments of algae accumulation area in Lake Taihu
ZHU Jin-can1,2, WU Yu-chen3, YIN Hong-bin1
1. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China; 3. School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
Abstract:The variation of sulfur (S) in the sediment has been proven to be closely related with the break of black and odorous water incidents in various previous studies. However, information on the variations of S speciations in the sediments of algae accumulation area, which is also black and odorous prone area, was still limited. In this study, sediment cores were seasonally sampled from the Zhushan Bay, which is an algae accumulation aera in Lake Taihu. The sediment cores were analyzed for S speciations and distributions using chemical sequential extraction combined with synchrotron radiation X-ray absorption near-edge structure (XANES). The results showed that the distribution of S in the sediments exhibited a significant seasonal difference, with a significant higher content of reduced S in summer rather than that in spring. The extracted S speciations showed that the averaged acid volatile sulfur (AVS) and pyrite-S concentrations in the sediments of algae accumulation area were 12.7 and 4.16 times of those in the non-algae accumulation area, indicating that algae stimulated the formation of reduced S. The S-XANES results also showed that the average percentage of FeS, FeS2, and ES in sediments of algae accumulation area were significantly higher than those in the non-algae accumulation area. Results of the above two methods indicated that the strong reducing sediment environment in the algae accumulation area accelerated the transformation of S to ferrous sulfide, which is conducive to the formation of stable pyrite. The averaged humic sulfur (HS+FS) in sediments of algae accumulation area were 1.53times of that in the non-algae accumulation area,with mercaptans and thioethers to be the main components of organic sulfur. The research showed that the content of reductive and organic sulfur in sediments of algae accumulation area were significantly higher than those in the non-algae accumulation area, which might be one of the main causes of the occurrence of black and odorous water. Therefore, it is necessary to enhance the management of sediments in the algae accumulation area.
朱瑾灿, 吴雨琛, 尹洪斌. 太湖蓝藻聚集区沉积物硫形态的时空变异特征[J]. 中国环境科学, 2017, 37(12): 4690-4700.
ZHU Jin-can, WU Yu-chen, YIN Hong-bin. Temporal and spatial variations of sulfur speciations in the sediments of algae accumulation area in Lake Taihu. CHINA ENVIRONMENTAL SCIENCECE, 2017, 37(12): 4690-4700.
Chen Y Y, Liu Q Q. On the horizontal distribution of algal-bloom in Chaohu Lake and its formation process[J]. Acta Mechanica Sinica, 2014,30(5):656-666.
[4]
Duval B, Ludlam S D. The Black Water Chemocline of Meromictic Lower Mystic Lake, Massachusetts, U.S.A.[J]. International Review of Hydrobiology, 2015,86(2):165-181.
[5]
Zhang X J, Chen C, Ding J Q, et al. The 2007 water crisis in Wuxi, China:analysis of the origin[J]. Journal of Hazardous Materials, 2010,182(1-3):130.
[6]
Yin H B, Wu Y C. Factors Affecting the Production of Volatile Organic Sulfur Compounds (VOSCs) from Algal-Induced Black Water Blooms in Eutrophic Freshwater Lakes[J]. Water, Air, & Soil Pollution, 2016,227(9):356.
[7]
Sheng Y Q, Sun Q Y, Shi W J,et al. Geochemistry of reduced inorganic sulfur, reactive iron, and organic carbon in fluvial and marine surface sediment in the Laizhou Bay region, China[J]. Environmental Earth Sciences, 2015,74(2):1151-1160.
[8]
Hou L J, Liu M, Stephen A, et al. Transformation and fate of nitrate near the sediment-water interface of Copano Bay[J]. Continental Shelf Research, 2012,35(1):86-94.
Liu C, Shen Q S, Zhou Q L, et al. Precontrol of algae-induced black blooms through sediment dredging at appropriate depth in a typical eutrophic shallow lake[J]. Ecological Engineering, 2015, 77:139-145.
[11]
Zhu M X, Hao X C, Shi X N, et al. Speciation and spatial distribution of solid-phase iron in surface sediments of the East China Sea continental shelf[J]. Applied Geochemistry, 2012, 27(4):892-905.
[12]
Brüchert V, Pratt L M. Contemporaneous early diagenetic formation of organic and inorganic sulfur in estuarine sediments from St. Andrew Bay, Florida, USA[J]. Geochimica Et Cosmochimica Acta, 1996,60(60):2325-2332.
[13]
Jalilehvand F. Sulfur:Not a "Silent" Element Any More[J]. Cheminform, 2007,38(18):1256.
[14]
Duan H T, Steven Arthur Loiselle, Zhu L, et al. Distribution and incidence of algal blooms in Lake Taihu[J]. Aquatic Sciences, 2015,77(1):9-16.
Joel E Kostka, George W, Luther Iii. Partitioning and speciation of solid phase iron in saltmarsh sediments[J]. Geochimica Et Cosmochimica Acta, 1994,58(7):1701-1710.
[17]
Hsieh Y P, Yang C H. Diffusion methods for the determination ofreduced inorganic sulfur species in sediments[J]. Limnology & Oceanography, 1989,34(6):1126-1130.
[18]
Calmano W, Hong J, Förstner U. Binding and Mobilization of Heavy Metals in Contaminated Sediments Affected by pH and Redox Potential[J]. Water Science & Technology, 1993,28(8/9):223-235.
[19]
Yang C M, Wu Y Q, Zhang F, et al. Pollution characteristics and ecological risk assessment of heavy metals in the surface sediments from a source water reservoir[J]. Chemical Speciation & Bioavailability, 2016,28(1-4):133-141.
[20]
Otero X L, Ferreira T O, Vidal-Torrado P, et al. Spatial variation in pore water geochemistry in a mangrove system (Pai Matos island, Cananeia-Brazil)[J]. Applied Geochemistry, 2006,21(12):2171-2186.
[21]
Feng Z Y, Fan C X, Huang W Y, et al. Microorganisms and typical organic matter responsible for lacustrine "black bloom"[J]. Science of the Total Environment, 2014,s470-471:1-8.
[22]
Vopel K, Gibbs M, Hickey C W, et al. Modification of sediment-water solute exchange by sediment-capping materials:effects on O2 and pH[J]. Marine & Freshwater Research, 2008,59(12):1101-1110.
[23]
Phillips, Elizabeth J P, Lovley, Derek R. Determination of Fe (Ⅲ) and Fe (Ⅱ) in Oxalate Extracts of Sediment[J]. Soil Science Society of America Journal, 1987,51(4):938-941.
Spratt H G, Morgan M D, Good R E. Sulfate reduction in peat from a new jersey pinelands cedar swamp.[J]. Applied & Environmental Microbiology, 1987,53(7):1406.
[26]
Wijsman J W M, Middelburg J J, Herman P M J, et al. Sulfur and iron speciation in surface sediments along the northwestern margin of the Black Sea[J]. Marine Chemistry, 2001,74(4):261-278.
[27]
Wilkin R T, Barnes H L. Pyrite formation by reactions of iron monosulfides with dissolved inorganic and organic sulfur species[J]. Geochimica Et Cosmochimica Acta, 1996,60(21):4167-4179.
[28]
Gagnon C, Mucci A, Pelletier É. Anomalous accumulation of acid-volatile sulphides (AVS) in a coastal marine sediment, Saguenay Fjord, Canada[J]. Geochimica Et Cosmochimica Acta, 1995,59(13):2663-2675.
[29]
Canfield D E, Bo T. Fate of elemental sulfur in an intertidal sediment[J]. Fems Microbiology Ecology, 2010,19(2):95-103.