Xilai Zheng
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View article: Dynamics of Irregular Freshwater Lenses Evolution in Thin Aquifers of Reclaimed Circular Islands
Dynamics of Irregular Freshwater Lenses Evolution in Thin Aquifers of Reclaimed Circular Islands Open
Fresh groundwater lenses (FGLs) are important freshwater resources for offshore reclaimed islands. However, previous studies usually neglected the dynamic evolution process of FGLs, which can last for decades in thin reclaimed islands. Thi…
View article: Competitive Roles of DNRA and Denitrification on Organic Nitrogen Dynamics in Partially Saturated Soil‐Water Systems
Competitive Roles of DNRA and Denitrification on Organic Nitrogen Dynamics in Partially Saturated Soil‐Water Systems Open
We focus on the competition between nitrate/nitrite ammonification (also termed dissimilatory nitrate reduction to ammonium (DNRA)) and denitrification processes taking place across partially saturated water‐soil systems. The study is moti…
View article: Joint Assessment of the Behavior of Nitrate and Saltwater Intrusion Within Negative Hydraulic Barrier Setups
Joint Assessment of the Behavior of Nitrate and Saltwater Intrusion Within Negative Hydraulic Barrier Setups Open
Nitrate is a common groundwater contaminant resulting from excessive agricultural fertilizer use, especially in coastal regions. Negative hydraulic barriers (NHBs) are widely used to mitigate seawater intrusion by altering groundwater beha…
View article: A novel subsurface adjustable dam for preventing active seawater intrusion in coastal aquifers
A novel subsurface adjustable dam for preventing active seawater intrusion in coastal aquifers Open
Subsurface physical barriers are widely used to prevent seawater intrusion in the world. After the construction of physical barriers, the residual saltwater is trapped upstream the barriers. Traditional physical barriers, including cutoff …
View article: The Impact of Dissolved Organic Nitrogen (Don) Retention in the Vadose Zone on Nitrogen Leaching Losses
The Impact of Dissolved Organic Nitrogen (Don) Retention in the Vadose Zone on Nitrogen Leaching Losses Open
View article: Dynamic Desalination of Intruding Seawater After Construction of Cut-Off Walls in a Coastal Unconfined Aquifer
Dynamic Desalination of Intruding Seawater After Construction of Cut-Off Walls in a Coastal Unconfined Aquifer Open
Fresh groundwater resources in coastal regions are valuable but deteriorated by seawater intrusion. To prevent deterioration of the fresh groundwater resources, a common approach is to build cut-off walls. However, the construction of cut-…
View article: Dynamics of Upstream Saltwater Intrusion Driven by Tidal River in Coastal Aquifers
Dynamics of Upstream Saltwater Intrusion Driven by Tidal River in Coastal Aquifers Open
View article: Elucidating the Pollution Sources and Groundwater Evolution in Typical Seawater Intrusion Areas Using Hydrochemical and Environmental Stable Isotope Technique: A Case Study for Shandong Province, China
Elucidating the Pollution Sources and Groundwater Evolution in Typical Seawater Intrusion Areas Using Hydrochemical and Environmental Stable Isotope Technique: A Case Study for Shandong Province, China Open
Seawater intrusion has a serious impact on industry, agriculture, and people’s daily life. Thus, the present study was designed to elucidate the pollution sources and groundwater evolution in typical intrusion areas of Shandong Province by…
View article: Impact of a Hydrocarbon Surfactant on the Retention and Transport of Perfluorooctanoic Acid in Saturated and Unsaturated Porous Media
Impact of a Hydrocarbon Surfactant on the Retention and Transport of Perfluorooctanoic Acid in Saturated and Unsaturated Porous Media Open
The transport and retention behavior of perfluorooctanoic acid (PFOA) in the presence of a hydrocarbon surfactant under saturated and unsaturated conditions was investigated. Miscible-displacement transport experiments were conducted at di…
View article: Effects of subsurface barriers on seawater intrusion and nitrate accumulation in coastal aquifers
Effects of subsurface barriers on seawater intrusion and nitrate accumulation in coastal aquifers Open
The subsurface barrier is one of various engineering measures used to prevent seawater intrusion in coastal regions which has been widely applied. However, its two common types, the cut-off wall and the subsurface dam, are both found to ca…
View article: Identification of groundwater nitrate pollution sources in agricultural area using PCA and SIAR methods
Identification of groundwater nitrate pollution sources in agricultural area using PCA and SIAR methods Open
View article: An index system constructed for ecological stress assessment of the coastal zone: A case study of Shandong, China
An index system constructed for ecological stress assessment of the coastal zone: A case study of Shandong, China Open
View article: Enhanced release of sedimentary phosphorous following nitrate decline in a nitrate-rich reservoir and its management implications
Enhanced release of sedimentary phosphorous following nitrate decline in a nitrate-rich reservoir and its management implications Open