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Contaminant sources and processes affecting spring water quality in a typical karst basin (Hongjiadu Basin, SW China): insights provided by hydrochemical and isotopic data.
Ren K, Pan X, Zeng J, Yuan D. Ren K, et al. Environ Sci Pollut Res Int. 2019 Oct;26(30):31354-31367. doi: 10.1007/s11356-019-06272-x. Epub 2019 Aug 31. Environ Sci Pollut Res Int. 2019. PMID: 31473924
In this study, hydrochemistry and stable sulfur and oxygen isotopic compositions of SO(4)(2-) (delta(34)S and delta(18)O(SO4)) of 38 representative samples of waters (incl. spring water, surface water, rainwater, and sewage) from the Hongjiadu Basin, Guizhou province, SW C …
In this study, hydrochemistry and stable sulfur and oxygen isotopic compositions of SO(4)(2-) (delta(34)S and delta(18)O(SO4)) of 38 represe …
Carbon and phosphorus transformation during the deposition of particulate matter in the large deep reservoir.
Yu J, Chen J, Zeng Y, Lu Y, Chen Q. Yu J, et al. J Environ Manage. 2020 Jul 1;265:110514. doi: 10.1016/j.jenvman.2020.110514. Epub 2020 Apr 7. J Environ Manage. 2020. PMID: 32275242
In this study, different forms of carbon (C) and P in the water column of Hongjiadu Reservoir were investigated. The contents of particulate organic carbon (POC) and particulate organic phosphorus (POP) both decreased with depth in summer, indicating that organic matter wa …
In this study, different forms of carbon (C) and P in the water column of Hongjiadu Reservoir were investigated. The contents of part …
Mercury and methylmercury concentrations in two newly constructed reservoirs in the Wujiang River, Guizhou, China.
Yao H, Feng X, Guo Y, Yan H, Fu X, Li Z, Meng B. Yao H, et al. Environ Toxicol Chem. 2011 Mar;30(3):530-7. doi: 10.1002/etc.413. Epub 2010 Dec 29. Environ Toxicol Chem. 2011. PMID: 21298699
We studied the distribution of different mercury species in two newly created reservoirs (Hongjiadu [HJD] and Suofengying [SFY] Reservoir) within the Wujiang River, Guizhou Province, China. ...
We studied the distribution of different mercury species in two newly created reservoirs (Hongjiadu [HJD] and Suofengying [SFY] Reser …
Unraveling the factors influencing CO2 emissions from hydroelectric reservoirs in karst and non-karst regions: A comparative analysis.
Wang W, Li SL, Zhong J, Yi Y, Yue F, Han Z, Wu Q, He D, Liu CQ. Wang W, et al. Water Res. 2024 Jan 1;248:120893. doi: 10.1016/j.watres.2023.120893. Epub 2023 Nov 19. Water Res. 2024. PMID: 38000226
To address this knowledge gap, we combined measurements of water chemistry, isotopic compositions (delta(13)C), partial pressure of CO(2) (pCO(2)), and CO(2) fluxes (F(CO2)) to elucidate the differences, control mechanisms, and environmental effects of various carbon biogeochemic …
To address this knowledge gap, we combined measurements of water chemistry, isotopic compositions (delta(13)C), partial pressure of CO(2) (p …
Influences of hydrodynamics on dissolved inorganic carbon in deep subtropical reservoir: Insights from hydrodynamic model and carbon isotope analysis.
Shi W, Wang W, Yu S, Liang L, Zhong J, Yi Y, Li SL. Shi W, et al. Water Res. 2024 Feb 15;250:121058. doi: 10.1016/j.watres.2023.121058. Epub 2023 Dec 23. Water Res. 2024. PMID: 38150860
To bridge this knowledge gap, we integrated hydrochemistry, isotopic composition (delta(13)C(DIC)), and a hydrodynamic model (CE-QUAL-W2) to examine the distinctions, control mechanisms, and environmental effects of DIC biogeochemical processes in a typical large and deep reservo …
To bridge this knowledge gap, we integrated hydrochemistry, isotopic composition (delta(13)C(DIC)), and a hydrodynamic model (CE-QUAL-W2) to …
[Geochemical Characteristics and Ecological Significance of Carbon Isotopes in Groundwater Under the Influence of Different Land Use Types in Karst Areas].
Ren K, Pan XD, Zeng J, Jiao YJ, Peng C, Liang JP. Ren K, et al. Huan Jing Ke Xue. 2019 Oct 8;40(10):4523-4531. doi: 10.13227/j.hjkx.201904100. Huan Jing Ke Xue. 2019. PMID: 31854820 Chinese.
Based on the seasonal characteristics of groundwater hydrochemistry and the carbon isotopes (delta(13)C) of dissolved inorganic carbon (DIC) in the Hongjiadu Basin, Guizhou Province, this paper discusses the natural processes and anthropogenic factors affecting the charact …
Based on the seasonal characteristics of groundwater hydrochemistry and the carbon isotopes (delta(13)C) of dissolved inorganic carbon (DIC) …
Intercomparison and applicability of some dynamic and equilibrium approaches to determine methylated mercury species in pore water.
Liu J, Feng X, Qiu G, Yao H, Shang L, Yan H. Liu J, et al. Environ Toxicol Chem. 2011 Aug;30(8):1739-44. doi: 10.1002/etc.565. Epub 2011 Jun 14. Environ Toxicol Chem. 2011. PMID: 21538492
All the methods report that the concentrations of MeHg in the soils of the Gouxi (GX) rice paddy near Wanshan were much higher than that in the sediment of the Hongjiadu Reservoir (HR), which is located within the Wujiang River basin. ...
All the methods report that the concentrations of MeHg in the soils of the Gouxi (GX) rice paddy near Wanshan were much higher than that in …
Elucidation of the dominant factors influencing N2O emission in water-level fluctuation zones in a karst canyon reservoir, southwest China.
Chen SN, Hou Y, Yue FJ, Yan Z, Liu XL, Li SL. Chen SN, et al. Sci Total Environ. 2024 May 1;923:171417. doi: 10.1016/j.scitotenv.2024.171417. Epub 2024 Mar 4. Sci Total Environ. 2024. PMID: 38447725
However, the comprehension of response patterns and mechanisms governing N(2)O emission under hydrological fluctuation remains limited, especially in karstic canyon reservoirs, which introduces significant uncertainty to N(2)O flux assessments. Soil samples were collected from th …
However, the comprehension of response patterns and mechanisms governing N(2)O emission under hydrological fluctuation remains limited, espe …
Dissolved silicate retention and transport in cascade reservoirs in Karst area, Southwest China.
Wang F, Yu Y, Liu C, Wang B, Wang Y, Guan J, Mei H. Wang F, et al. Sci Total Environ. 2010 Mar 1;408(7):1667-75. doi: 10.1016/j.scitotenv.2010.01.017. Epub 2010 Feb 8. Sci Total Environ. 2010. PMID: 20116832
Results showed that, only the downstream eutrophic Wujiangdu reservoir (WJD) was the sink for DSi, with a value of ca. 3.5kT DSi trapped annually. The new Hongjiadu reservoir (HJD) in the headwater area revealed to be an important source for DSi. ...
Results showed that, only the downstream eutrophic Wujiangdu reservoir (WJD) was the sink for DSi, with a value of ca. 3.5kT DSi trapped ann …