Sentences with phrase «raising levees»

We need to do a lot more to improve flood control, fixing up and raising levees.

But any such plan would have to compete for money with other flood - protection projects, such as raising levees.

Not exact matches

A new analysis suggests New York might deal with sea level rise and flood risk by a system of small levees and raising buildings unless climate change is worse than anticipated

The hillside grooves on Mars, called linear gullies, show relatively constant width — up to a few yards, or meters, across — with raised banks or levees along the sides.

Widespread erosion in the river's upper regions caused it to carry incredibly heavy loads of sediment downstream where deposits gradually raised the river bed above levees and surrounding fields.

That includes improving the pump stations to protect the levees, raising the height of the levees and dunes, adding in overflow protection and raising the homes they're protecting.

In the near term before 2040, the most cost - effective way to protect New York likely is a more modest combination of building improvements — such as raising new structures and home foundations — and smaller barrier methods to keep out water, such as small levees, the policy study finds.

The researchers note that, historically, the design of Southeast Louisiana's hurricane flood risk reduction system has hinged on raising and adding levees in response to river or hurricane events that impact the region.

He was an author of a 2011 paper containing the map at right, showing areas where surface erosion, compaction of soil or subsidence lowered levee elevations in ways that raise risks in such floods.

My focus will be on how vulnerable levees may raise the odds of disaster.

Building the levees unfortunately, increases the damage from a catastrophic flood, because having the levee concentrates the silt into the channel, raising water levels over the years.

Intentional levee raising without necessary studies, engineering, or permitting has a range of potential negative impacts including both a false sense of security and the potential for exporting flood risk to neighboring levee communities.

They included raising and modifying highway bridges that impeded the flow of river water, and upgrading levees and pumps to manage excess backwater flooding in the lower reaches of the river basins.

The national Sierra Club was one of several environmental groups who sued the Army Corps of Engineers to stop a 1996 plan to raise and fortify Mississippi River levees.

Lack of information available to insurersabout local flood mitigation measures such as raised floor heights or even a levee, meaning these factors may not be taken into account.