Search results
Results from the WOW.Com Content Network
Flow devices are either specially designed pipes installed through beaver dams, or pipe and/or fence systems that protect road culverts from being blocked. The beneficial effects of beavers on stream flow, riparian habitat, salmon and trout, and wetland creation can be sustained with application of these inexpensive technologies, which require ...
In each case inadequate drainage along and under roadways, caused in part by clogged culverts, helped aggravate flooding that caused sections ... Outdated culverts are making road washouts from ...
A culvert may also be a bridge-like structure designed to allow vehicle or pedestrian traffic to cross over the waterway while allowing adequate passage for the water. Dry culverts are used to channel a fire hose beneath a noise barrier for the ease of firefighting along a highway without the need or danger of placing hydrants along the roadway ...
For premium support please call: 800-290-4726 more ways to reach us
Flood control channels are large and empty basins where surface water can flow through but is not retained (except during flooding), or dry channels that run below the street levels of some larger cities, so that if a flash flood occurs the excess water can drain out along these channels into a river or other bodies of water. Flood channels are ...
The Los Angeles Department of Water and Power is struggling to maintain the city's Eastern Sierra aqueduct amid continued flooding from snowmelt. 'We've lost the aqueduct': How severe flooding ...
A washout is the sudden erosion of soft soil or other support surfaces by a gush of water, usually occurring during a heavy downpour of rain (a flash flood) or other stream flooding. These downpours may occur locally in a thunderstorm or over a large area, such as following the landfall of a tropical cyclone .
Culverts and watercourses did not have the capacity to handle the volume of rainwater, and slips and mudflows brought debris into stormwater drains which blocked them and further reduced capacity. [ 1 ] : 24 Hundreds of slips occurred over an area stretching from Haywards through to Belmont , Newlands , Ngaio , Wilton , Karori and MÄkara ...