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Conifer swamps occur in areas of seasonal flooding. Trees can be very dense or sparse; mats of sphagnum moss cover the ground. Black spruce (Picea mariana) and tamarack (Larix laricina) are the predominant tree species. Where the soil is not saturated year round grows northern white cedar (Thuja occidentalis).
“There’s a misconception that if we can build a flood wall higher and higher, or if we build the dams higher and stronger, (then) we can protect a city from flooding,” Yu told CNN in a video ...
Afforestation can also improve the local climate through increased rainfall and by being a barrier against high winds. The additional trees can also prevent or reduce topsoil erosion (from water and wind), floods and landslides. Finally, additional trees can be a habitat for wildlife, and provide employment and wood products. [2]
A leaky dam was added to the arsenal of flood prevention tools. [4] This type of structure is what nature uses for similar events. Logs from fallen trees are placed at intervals down the stream acting as a barrier, holding the silt and small debris back and allowing just the water that overflows the structure to continue the course of the ...
Hurricane-force wind gusts up to 77 mph wreaked havoc in the western part of the state, bringing down numerous trees in addition to power lines. The Seattle area was particularly hard-hit.
Atmospheric rivers of the sort causing massive floods and mudslides in Canada's British Columbia are akin to a river in the sky, weather systems that carry up to 15 times the volume of the ...
The size of the lake can allow strong winds to build up fetch, combined with numerous submerged trees and rocks as well as a variable water level (due to fluctuations in water demand at the dam), this can make Rossignol extremely dangerous for canoes and small boats.
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