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Line 3: [[File:Tilley et al 2014 Schematic of the Horizontal Subsurface Flow Constructed Wetland.jpg|thumb|Schematic of the Horizontal Subsurface Flow Constructed Wetland: Water flows horizontally through the bed.]][[File:Schematic of the Free Water Surface Constructed Wetland.jpg|thumb|Schematic of a free-water surface constructed wetland: It aims to replicate the naturally occurring processes, where particles settle, pathogens are destroyed, and organisms and plants utilize the nutrients.]]
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→Overview
==Overview==
==Overview==
[[File:Tilley et al 2014 Schematic of the Vertical Flow Constructed Wetland.jpg|thumb|Schematic of a vertical subsurface flow constructed wetland: Water flows through pipes on the subsurface of the ground through the root zone to the ground.]]
[[File:Tilley et al 2014 Schematic of the Vertical Flow Constructed Wetland.jpg|thumb|Schematic of a vertical subsurface flow constructed wetland: Water flows through pipes on the subsurface of the ground through the root zone to the ground.]]
|+ Types of Constructed Wetland
|+ Types of Constructed Wetland
|-
|-
!Type A
!Free-water surface flow
!Type B
!Horizontal sub-surface flow
!Type C
!Vertical sub-surface flow
|-
|[[File:Schematic of the Free Water Surface Constructed Wetland.jpg|thumb|Schematic of a free-water surface constructed wetland: It aims to replicate the naturally occurring processes, where particles settle, pathogens are destroyed, and organisms and plants utilize the nutrients.]]
|[[File:Tilley et al 2014 Schematic of the Horizontal Subsurface Flow Constructed Wetland.jpg|thumb|Schematic of the Horizontal Subsurface Flow Constructed Wetland: Water flows horizontally through the bed.]]
|[[File:Tilley et al 2014 Schematic of the Vertical Flow Constructed Wetland.jpg|thumb|Schematic of a vertical subsurface flow constructed wetland: Water flows through pipes on the subsurface of the ground through the root zone to the ground.]]
|-
|-
|Surface water||Minimal<br>Any surface flow can be slowed with check dams||Ponding is encouraged with check dams
|Surface water||Minimal<br>Any surface flow can be slowed with check dams||Ponding is encouraged with check dams