Articles | Volume 30, issue 8
https://doi.org/10.5194/hess-30-2357-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-2357-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
24 Apr 2026
Research article |
| 24 Apr 2026
Seasonal dynamics of closed shallow lakes nutrient status controlled by lacustrine groundwater discharge
Xiaoliang Sun
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Yao Du
CORRESPONDING AUTHOR
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Hao Tian
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Jiawen Xu
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Huanhuan Shi
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Yetong Liu
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Yamin Deng
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Yiqun Gan
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Yanxin Wang
MOE Key Laboratory of Groundwater Quality and Health, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
School of Environmental Studies & State Key Laboratory of Geomicrobiology and Environmental Changes, China University of Geosciences, Wuhan 430078, China
Related authors
Xiaoliang Sun, Yao Du, Yamin Deng, Hongchen Fan, and Teng Ma
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2021-364, https://doi.org/10.5194/hess-2021-364, 2021
Preprint withdrawn
Short summary
Short summary
Base on the 222Rn mass-balance model, the LGD rate and the loads of LGD-derived nutrients in the west was significantly larger than in the east. The factor determining the higher LGD rates is the permeability of the porous aquifer connected with the lake, which could be enlarged by some preferential pathways. The groundwater around the west EDL is enriched in geogenic nutrients, which further results in that the loads of LGD-derived nutrients generally exceeded.
Yiqun Gan and Quanrong Wang
Hydrol. Earth Syst. Sci., 28, 1317–1323, https://doi.org/10.5194/hess-28-1317-2024, https://doi.org/10.5194/hess-28-1317-2024, 2024
Short summary
Short summary
1. A revised 3D model of solute transport is developed in the well–aquifer system. 2. The accuracy of the new model is tested against benchmark analytical solutions. 3. Previous models overestimate the concentration of solute in both aquifers and wellbores in the injection well test case. 4. Previous models underestimate the concentration in the extraction well test case.
Xiaoliang Sun, Yao Du, Yamin Deng, Hongchen Fan, and Teng Ma
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2021-364, https://doi.org/10.5194/hess-2021-364, 2021
Preprint withdrawn
Short summary
Short summary
Base on the 222Rn mass-balance model, the LGD rate and the loads of LGD-derived nutrients in the west was significantly larger than in the east. The factor determining the higher LGD rates is the permeability of the porous aquifer connected with the lake, which could be enlarged by some preferential pathways. The groundwater around the west EDL is enriched in geogenic nutrients, which further results in that the loads of LGD-derived nutrients generally exceeded.
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Short summary
This study investigated groundwater-driven nutrient fluxes in a Yangtze Basin oxbow lake using a year of high-frequency monitoring. Water level and 222Rn tracing revealed a seasonal groundwater discharge pattern. This dynamic was regulated by net precipitation, which controlled lake level fluctuations and subsequent groundwater discharge rates. Associated N and P loads varied synchronously with discharge. The N/P closely matched that of lake water and correlated with chlorophyll-a dynamics.
This study investigated groundwater-driven nutrient fluxes in a Yangtze Basin oxbow lake using a...