First Grade Science

Unnatural Disaster: Human Factors in the Mississippi Floods

Date of publication: 2017-08-27 01:10

Unlike vulnerable cities and towns along the East Coast of the ., where frequent storms and big waves lead to large variations in day-to-day water levels, tropical coastlines tend to be surrounded by waters with depths that vary less. That means many tropical coastlines were not built to withstand the kinds of routine flooding that will be caused by rising seas.

Sharp Rise in Flooding Ahead for World’s Poorest | Climate

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What are the immediate (short-term) effects of

Stark increases in instances of flooding are projected for Pacific islands, parts of Southeast Asia and coastlines along India, Africa and South America in the years and decades ahead before spreading to engulf nearly the entire tropical region, according to a study led by Sean Vitousek , a researcher at the University of Illinois, Chicago.

BBC - GCSE Bitesize: Flooding caused by Hurricane Katrina

By KABS KANU : The Permanent Mission of Sierra Leone to the United Nations in New York yesterday launched a massive drive for assistance to victims of Monday morning 8767 s devastating [ ]

Moreover, Galloway observes that when Congress authorizes a USACE project, the money for it is quickly appropriated. But when it comes to appropriating money to remedy any environmental problems resulting from the project, Congress is very slow to allocate funds, an observation Johnson says is “probably true.”

Former Nigerian President Olusegun Obasanjo has visited the scene of the deadly mudslide which claimed hundreds of lives in Freetown on Monday 69 August. President Obasanjo is in the country [ ]


&ldquo Many poor developing countries like Bangladesh are going to see greater frequency and magnitude of flood events even with the best efforts to reduce emissions,&rdquo said Saleemul Huq , director of the International Centre for Climate Change and Development in Bangladesh.

Members of the Climate Central staff and board are among the most respected leaders in climate science. Staff members are authorities in communicating climate and weather links, sea level rise, climate.... Read More

Coastal residents of poor and fast-growing tropical countries face rapid increases in the numbers of once-rare floods they may face as seas rise, with a new statistical analysis offering troubling projections for regions where sea level data is sparse.

Areas damaged by wildfires are known as burn scars and are particularly susceptible to flash floods and debris flows during rainstorms. Rainfall that is normally absorbed by vegetation can run off almost instantly, causing creeks and drainage areas to flood much earlier and with higher magnitude than normal. NSSL supplied real-time close-up radar mobile radar data during rain events in southern California where the local NWS radar beam is blocked by the terrain. The effort was part of the NOAA/USGS demonstration flash flood and debris flow early warning system to help forecasters improve flash flood and debris flow warnings in areas damaged by wildfires.

The researchers combined a statistical technique used to analyze extreme events with models simulating waves, storms, tides and the sea level effects of global warming. They created snapshots of the future flood projections that can be difficult to generate with the limited ocean data available in some places.

Larry Buss, who chairs the USACE National Nonstructural/Flood Proofing Committee, says that when a levee is built in compliance with the requirements of the National Flood Insurance Program, there is no longer any floodplain management in the area behind the levee. All kinds of new development can then occur in the area landward of the levee as if the floodplain no longer exists—when in fact it does.

From the perspective of the USACE, attitudes toward floods have been evolving into what Buss describes as a more “holistic” approach focused on reducing flood risk with the realization that floods will occur. This approach considers all flood risk reduction tools including not just levees but also buyouts and relocations. Buss says many professional flood risk experts believe the nation should consider levees only as a last resort after first considering measures such as buyouts, relocations, elevation, and zoning.

The government of Sierra Leone has reported success in its battle to reduce maternal mortality rates across the country. A fall in the number of deaths related to pregnancy and [ ]

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