subsurface flow
Landfill leachate treatment using subsurface flow constructed wetlands enhanced with magnetic field
... Leachate is a complex and highly polluted wastewater. Constructed wetlands are potentially good, low-cost and appropriate technological treatment systems for treating leachate. Thus, the purpose of this study was to ...
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Effect of shallow subsurface flow pathway networks on corn yield spatial variation under different weather and nutrient management
... the subsurface flow pathway network ( SFPN) on spa- tial variation in crop development and ...the flow pathway can receive ground water subsidy, whereas plants that are further from the pathways ...
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Subsurface Flow Modelling at the Hillslope Scale: Numerical and Physical Analysis
... concerning subsurface flow are indeed the unsaturated porous media ...modeling flow in unsaturated soils only the dynamics of the wetting phase, water, are considered, while the dynamics of the ...
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Subsurface flow constructed wetland : proposed design area for high strength effluent domestic wastewater
... parallel subsurface wetland ...plug flow for BOD and the nitrogen removal model was developed by Reed, Middlebrooks, and ...parallel subsurface flow wetland cells that each has a surface area ...
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Form and function in hillslope hydrology: characterization of subsurface flow based on response observations
... Four circular irrigation sprinklers (Wobbler, Senninger Ir- rigation Inc.) were arranged in a 5 m by 5 m square in the upper part of the experimental site (Fig. 4). The sprinklers had a nominated sprinkler radius of 4 m ...
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Landfill leachate treatment performance in subsurface flow constructed wetlands using safety flow system
... This study was conducted to investigate leachate treatment performance of horizontal subsurface flow constructed wetlands HSSFCW installed with water dispersal system, called Safety Flow[r] ...
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Subsurface flow and free water surface flow constructed wetland with magnetic field for leachate treatment
... This study conducted using two-stage lab-scale Subsurface Flow (SSF) and Free Water Surface (FWS) constructed wetland under influence of magnetic field to treating the leachate. The leachate samples were ...
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Subsurface flow mixing in coarse, braided river deposits
... on subsurface flow and advective mixing has not drawn much ...saturated subsurface flow simulation is per- formed on the small-scale, high-resolution, synthetic model (size: 75 m × 80 m × 9 ...
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Removal of Heavy Metals from Landfill Leachate Using Horizontal and Vertical Subsurface Flow Constructed Wetland Planted with Limnocharis flava
... Abstract — Heavy metals were present at relatively high concentrations in the landfill leachate. Therefore, the exposure of heavy metals into the environment is great concern due to their serious effects on food chain ...
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Performance Characteristics of Pollutants along the Longitudinal Profile of a Subsurface Flow Constructed Wetland Domestic Sewage Treatment Plant in the University of Lagos, Nigeria
... Surface flow constructed wetland (SFCW) and the sub- surface flow constructed wetland ...laminar flow of the ...of subsurface flow ...
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Removal efficiency of nitrate, phosphate, fecal and total coliforms by horizontal subsurface flow-constructed wetland from domestic wastewater
... horizontal subsurface flow constructed wetland (HF-CW) for the removal of nitrate, phosphate, total and fecal coliforms from the municipal wastewater of Babol ...
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Hillslope characteristics as controls of subsurface flow variability
... Abstract. Hillslope hydrological dynamics, particularly sub- surface flow (SSF), are highly variable and complex. A pro- found understanding of factors controlling this variability is needed. Therefore we ...
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Increase Efficiency of Horizontal Subsurface Flow Wetlands by Means of Innovating of the Effluent Capture and Evacuation Device
... Figure 10 shows the yields of the removal of organic matter in the horizontal subsurface flow wetland. 210[r] ...
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Influence of Growth of Reeds on Evapotranspiration in Horizontal Subsurface Flow Constructed Wetlands
... The flow rate was 50L/day, giving a theoretical HRT of 10 days. Five sampling wells constructed to enable water extraction from the upper, middle and lower layers of the water column were placed at equal intervals ...
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Removal of Pollutants from Sewage through Constructed Wetland using Pennisetum purpureium
... Horizontal Subsurface Flow treatment through constructed wetland over a period of six month with the use of Pennisetum purpureum plant for treatment of ...
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Towards reconstruction of the flow duration curve: development of a conceptual framework with a physical basis
... shape of the FDC in terms of its underlying process con- trols. Figure 2 shows the result of a test run for a hypo- thetical watershed (with default parameters – slope gradient of 0.006, soil type: silty loam, soil depth ...
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A three component hydrograph separation based on geochemical tracers in a tropical mountainous headwater catchment in northern Thailand
... the subsurface flow is temporal (episodic) and not ac- tive throughout the ...macropore flow in the unsaturated zone along the hill ...stream flow concentration measured in between ...
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MSEE_Wentzel_Constructed_Wetlands_Final_Submission.pdf
... horizontal subsurface flow constructed wetland (HSSF-CW) was chosen for its appropriate features such as ability to process the effluent from a small municipal WWTP, treatment efficiency to meet Mexican ...
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Simulation and validation of concentrated subsurface lateral flow paths in an agricultural landscape
... concentrated subsurface lateral flow at the inter- faces between soil horizons and between soil and underly- ing bedrock are important to water flow and chemical trans- port across a landscape, ...
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Predicting subsurface stormflow response of a forested hillslope – the role of connected flow paths
... rapid flow processes per- tain to the runoff mechanism termed subsurface stormflow (Weiler et ...preferential flow is furthermore an important determinant for leaching and fate of agrochemi- cals ...
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