Search results
Results from the WOW.Com Content Network
Flood stage is the water level, as read by a stream gauge or tide gauge, for a body of water at a particular location, measured from the level at which a body of water threatens lives, property, commerce, or travel. [1] The term "at flood stage" is commonly used to describe the point at which this occurs.
Really bad floods are caused by really brief spikes of river level. Channellization in concrete chutes speeds the water up and makes the flood peak higher, while slowing the water down spreads the flow out over time and blunts the flood peak. Water levels during a flood tend to rise, then fall, exponentially.
For example, in Bangladesh in 2007, a flood was responsible for the destruction of more than one million houses. And yearly in the United States, floods cause over $7 billion in damage. [39] Mud was deposited in this house by flooding in the 2018 Kerala floods in India. Flooding not only creates water damage, but can also deposit large amounts ...
Floodable parks and green roofs can help to absorb and slow down the large masses of water during a flood. ... in the form of a nearly 10-foot-tall wall of water. Hard engineering solutions, made ...
Plumes are used to locate, map, and measure water pollution within the aquifer's total body of water, and plume fronts to determine directions and speed of the contamination's spreading in it. [3] Plumes are of considerable importance in the atmospheric dispersion modelling of air pollution. A classic work on the subject of air pollution plumes ...
This causes lowering of the water table (because groundwater recharge is lessened) and flooding since the amount of water that remains on the surface is greater. [3] [4] Most municipal storm sewer systems discharge untreated stormwater to streams, rivers, and bays. This excess water can also make its way into people's properties through ...
Urban flooding is the inundation of land or property in cities or other built environment, caused by rainfall or coastal storm surges overwhelming the capacity of drainage systems, such as storm sewers. Urban flooding can occur regardless of whether or not affected communities are located within designated floodplains or near any body of water. [1]
Yahoo News asked Ricardo Pires, a spokesperson for UNICEF, the United Nations’ humanitarian aid agency three questions about what caused the situation in Libya and how such tragedies can be ...