These releases were made to prevent overtopping of the spillway.

Some versions of the model assume overtopping of some species by others.

The threats to the dam included internal erosion and overtopping of the dam during a storm event.

The muddy waters flowed rapidly downstream causing flooding in the evacuated town of Beichuan and overtopping of dams.

While some of it was indeed the direct result of overtopping of the levees , a larger portion was due to their structural failure.

Rainfall lasted from March 23 till April 24, and as a consequence the Río Negro suffered an overtopping.

Its 1963 overtopping was caused when the designers ignored the geological instability of Monte Toc on the southern side of the basin.

Overtopping of a barrier - the barrier may be natural or human engineered and overtopping occurs due to swell conditions during storm or high tides often on open stretches of the coast.

ISIS FAST allows modellers to rapidly estimate flood extents and depths from multiple sources of flooding, including tide/surge and fluvial overtopping or breaching of defences, surface water and sewer flooding.

On January 11 the dam filled and began to overtop at 9:27am, Following the overtopping, in the first 24 hours over 17,300 megalitres of water flowed over the primary spillway and entered the Logan River at Cedar Grove.

Levee overtopping can be caused when flood waters simply exceed the lowest crest of the levee system or if high winds begin to generate significant swells (a storm surge) in the ocean or river water to bring waves crashing over the levee.

This would be dangerous not only because the dam power plant is located at its base, but because the dam is built within porous, erosion-prone Navajo Sandstone; an overtopping would likely lead to erosion of the dam abutments and a subsequent failure.

Extreme high tides continued to flow over the top of the lock, inundating the Limehouse Cut until 2000, when a flood wall and a second set of gates were installed, enabling to lock to be used at all states of the tide and preventing overtopping.

From her I should learn the truth concerning our protector; I should hear why she had withdrawn from the protection of the Princess Evadne, and be instructed as to the influence which this overtopping and towering Raymond exercised over the fortunes of my friend.

In the case of the latter dam, the excess storage in Amistad Lake sparked fears of flooding in downstream municipalities, although the possibility of overtopping of the dam was discarded by the Mexican section of the International Boundary and Water Commission.

Consider that in October 2005 and last May, two strong but hardly cataclysmic New England rain storms caused the overtopping or breaching of more than 400 dams in three states; a much fiercer storm would compromise far more dams, worsening flooding and potentially endangering thousands of people.

The Environmental Monitor's Report for 2010 stated that there were two environmental issues which are considered to pose extreme risks; these are the potential: overtopping of TSF cells leading to an embankment failure; and for acid leachate migration from the TSF into Surprise Creek.

The water from Hurricane Agnes caused the only instance where the river's flow exceeded the storage capacity of the reservoir of the Mount Morris Dam, the largest flood control dam east of the Mississippi, and water had to be released from the dam to prevent overtopping of the spillway.

Other remaining issues that the Independent Environmental Monitor considered significant and to require immediate action towards rectification include the volume of water stored in Cell 2 of the Tailings Storage Facility remains a concern as there is considered to be an extreme risk of embankment failure or overtopping of the spillway.