8,255
edits
Changes
Jump to navigation
Jump to search
m
→Sizing and spacing of check dams
Line 20:
Line 20:
Line 30:
Line 31:
:<math>Number\ of\ dams= \frac{L\left ( S_{i}-S_{e} \right )}{h}</math>+
----
----
<div style="float: right">{{#widget:WolframAlpha|id=a04d99bf6eaf9309e13e0b359f7368e2}}{{#widget:WolframAlpha|id=edc4fd3f7f54774d9ab0471f34d6041c}}</div>
<div style="float: right">{{#widget:WolframAlpha|id=a04d99bf6eaf9309e13e0b359f7368e2}}{{#widget:WolframAlpha|id=edc4fd3f7f54774d9ab0471f34d6041c}}</div>
−To estimate the depth of water that can be infiltrated into a surface within a given time::
+To estimate the depth of water that can be infiltrated into a surface within a given time:
+<math>y=f\times t</math>
<math>y=f\times t</math>
After surveying the longitudinal profile of the swale, the number of check dams for the swale can be calculated by using the following equation:
After surveying the longitudinal profile of the swale, the number of check dams for the swale can be calculated by using the following equation:
−<math>Number\ of\ dams= \frac{L\left ( S_{i}-S_{e} \right )}{h}</math>
{{Plainlist|1= Where:
{{Plainlist|1= Where: