debris dam

debris dam

[də′brē ‚dam]
(civil engineering)
A fixed dam across a stream channel for the retention of sand, gravel, driftwood, or other debris.
References in periodicals archive ?
The Town of Canmore intends to construct a 100-metre-wide debris dam across Cougar Creek, a steep mountain creek, which discharges into the Bow River.
The concern is that this huge mass of water could ultimately infringe the debris dam and hurtle down the valley, sweeping away the Sherpa villages in its path.
Wednesday, a mudslide caused by continuous rainfall destroyed the debris dam of the county's village of Xinchang, Xinhua quoted the statement as saying.
78 MAF, which can absorb sudden high water inflows if breach occurs in the debris dam.
During floods, a debris dam that breaks free becomes a debris flow, with dramatic consequences for bridges and roads, fields and homes downstream.
The majority of wood at site SG during autumn 1990 and summer 1991 was recovered from a single large debris dam 155 m downstream from the release point.
The Army Corps of Engineers wanted to tunnel under the debris dam to relieve the pressure, but also wanted to pump out as much water as possible.
If you install surface-tension guards on gutters that are mounted high on the fascia, they will cause debris dams and allow more junk inside the gutter.
Meltwater can stockpile behind debris dams before bursting downhill in giant, deadly floods.
Now new ways of using green engineering, such as riparian tree planting and creating woody debris dams, which can help reduce the risk of flooding in Wales, are being trialled.