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 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.
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.
Small woody debris dams, new woodland creation and other management tools in the uplands can all slow the flow of rainwater into flood plains.
Despite more than a century of flood channels, debris dams and levees built since, such a flood could wreak $25 billion in damage to the state capital alone, according to the Geological Survey.
Role of organic debris dams in regulating the export of dissolved and particulate matter from a forested watershed.
We went out there and cleaned out culverts and debris dams, knowing more rain was coming,'' Morgan said.
Fallen logs create debris dams and plunge pools-critical habitat for fish and other kinds of organisms.