Line 2: |
Line 2: |
| | | |
| ==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.]]
| |
− |
| |
− |
| |
| Constructed wetlands are similar to [[SWM ponds]] in function and design, with the most significant difference being that they are designed to incorporate shallow zones for wetland [[plants]]. A facility is normally characterized as a wetland if shallow zones (<0.5 m deep) make up more than 70 % of its volume. | | Constructed wetlands are similar to [[SWM ponds]] in function and design, with the most significant difference being that they are designed to incorporate shallow zones for wetland [[plants]]. A facility is normally characterized as a wetland if shallow zones (<0.5 m deep) make up more than 70 % of its volume. |
| | | |
Line 19: |
Line 16: |
| !Vertical sub-surface flow | | !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:Schematic of the Free Water Surface Constructed Wetland.jpg|frameless|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 Horizontal Subsurface Flow Constructed Wetland.jpg|frameless|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.]] | + | |[[File:Tilley et al 2014 Schematic of the Vertical Flow Constructed Wetland.jpg|frameless|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 |