Difference between revisions of "Dry ponds: TTT"
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| − | + | [[File:Storage TTT.png|thumb|[[Dry ponds]] are found in storage element in the LID TTT]] | |
| − | [[File:Storage TTT.png|thumb|[[Dry ponds]] are found in storage element in the LID TTT | ||
[[File:Pond curves.png|thumb|The largest area is at the top, level 0 m; each subsequent lower depth has a smaller area]] | [[File:Pond curves.png|thumb|The largest area is at the top, level 0 m; each subsequent lower depth has a smaller area]] | ||
| − | + | {{Clickable button|[[File:TTT.png|350 px|link=http://www.sustainabletechnologies.ca/wp/low-impact-development-treatment-train-tool/]]}} | |
| − | + | ||
{|class="wikitable" | {|class="wikitable" | ||
| − | |+A [[Dry ponds| | + | |+A [[Dry ponds|dry pond]] as a storage element (key parameters) in the Treatment Train Tool. |
|- | |- | ||
!colspan = "2"|Stage Storage | !colspan = "2"|Stage Storage | ||
| Line 13: | Line 12: | ||
|Storage type||Dry detention ponds | |Storage type||Dry detention ponds | ||
|- | |- | ||
| − | |Bottom elevation (m)||This is important to correspond with other components, e.g. when the overflow is coupled to another BMP within a treatment train | + | |Bottom elevation (m)||This is important to correspond with other components, <br>e.g. when the overflow is coupled to another BMP within a treatment train |
|- | |- | ||
|Maximum depth (m)|| | |Maximum depth (m)|| | ||
| Line 19: | Line 18: | ||
|Lined/unlined||Unlined (ideally) | |Lined/unlined||Unlined (ideally) | ||
|- | |- | ||
| − | |Underlying soil||Choose from five; sandy soils | + | |Underlying soil||Choose from five; sandy soils drain more quickly. |
|- | |- | ||
|Evaporation factor||? | |Evaporation factor||? | ||
| Line 29: | Line 28: | ||
|Initial soil moisture deficit (fraction)||? | |Initial soil moisture deficit (fraction)||? | ||
|- | |- | ||
| − | !colspan = "2" | + | !colspan = "2" align = center"|Curves |
|- | |- | ||
|colspan = 2|The Curves table is designed to accommodate the side slopes. The top line begins at 0 m, with subsequent depths in the following lines. | |colspan = 2|The Curves table is designed to accommodate the side slopes. The top line begins at 0 m, with subsequent depths in the following lines. | ||
|} | |} | ||
Latest revision as of 03:01, 9 November 2017
| Stage Storage | |
|---|---|
| Name | Important to have a unique name, to connect it with the catchment area |
| Storage type | Dry detention ponds |
| Bottom elevation (m) | This is important to correspond with other components, e.g. when the overflow is coupled to another BMP within a treatment train |
| Maximum depth (m) | |
| Lined/unlined | Unlined (ideally) |
| Underlying soil | Choose from five; sandy soils drain more quickly. |
| Evaporation factor | ? |
| Suction head (mm) | ? |
| Saturated conductivity (mm/hr) | ? |
| Initial soil moisture deficit (fraction) | ? |
| Curves | |
| The Curves table is designed to accommodate the side slopes. The top line begins at 0 m, with subsequent depths in the following lines. | |