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All Articles Tagged As: flooding
Scientists at Delft University of Technology have successfully matched a layer of sediment from the dunes near Heemskerk to a severe storm flood that occurred in either 1775 or 1776. This type of information helps us gain more insight into past storm floods and predict future surges more accurately. The scientists' findings have been be published in the online edition of the scientific magazine Geology, and will be cover story of the November paper edition.
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 | In the summer of 2002, a week of heavy rains in Central Texas caused Canyon Lake -- the reservoir of the Canyon Dam -- to flood over its spillway and down the Guadalupe River Valley in a planned diversion to save the dam from catastrophic failure. The flood excavated a 2.2-kilometer-long, 7-meter-deep canyon in the bedrock. According to a new analysis, that canyon formed in just three days. ...> Full Article |
Scientists are gaining new insight into the mechanisms that generate huge, steep underwater waves that occur between layers of warm and cold water in coastal regions of the world's oceans.
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 | Several Midwestern states could be facing increased winter and spring flooding, as well as difficult growing conditions on farms, if average temperatures rise. Keith Cherkauer, a Purdue assistant professor of agricultural and biological engineering, ran simulations that show Indiana, Illinois, Wisconsin and Michigan could see as much as 28 percent more precipitation by the year 2070, with much of that coming in the winter and spring. His projections also show drier summer and fall seasons. ...> Full Article |
 | A major increase in maximum ocean wave heights off the Pacific Northwest in recent decades has forced scientists to re-evaluate how high a "100-year event" might be, and the new findings raise special concerns for flooding, coastal erosion and structural damage. ...> Full Article |
The potential contribution to sea level rise from a collapse of the West Antarctic Ice Sheet have been greatly overestimated, according to a new study published in the journal Science.
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Did a catastrophic flood of biblical proportions drown the shores of the Black Sea 9,500 years ago, wiping out early Neolithic settlements around its perimeter? A geologist with the Woods Hole Oceanographic Institution and two Romanian colleagues report in the January issue of Quaternary Science Reviews that, if the flood occurred at all, it was much smaller than previously proposed by other researchers.
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 | Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds, which could exacerbate winter flooding and summer droughts. How pollution affects a mountain range's natural water reservoirs is important for water resource managers in the western United States and Canada who plan for hydroelectricity generation, fisheries and farming. ...> Full Article |
Storms across the UK set to increase in intensity by up to 30 percent in the next 75 years, new research shows.
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New study investigates effects of extreme hydrological events on vegetation
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 | While global-warming-induced coastal flooding moves populations inland, the changes in sea level will affect the salinity of estuaries, which influences aquatic life, fishing and recreation. ...> Full Article |
3 decades of data point to troubling century ahead for Gulf bays
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Better understanding of flood uncertainty is key to helping mitigate damage
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Up to 20 million people are at increased risk of flooding and major power shortages in China's massive Sichuan Basin.
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 | Despite projections by some scientists of global seas rising by 20 feet or more by the end of this century as a result of warming, a new study concludes that global sea rise of much more than 6 feet is a near physical impossibility. ...> Full Article |
 | People near vulnerable creeks, streams, rivers may soon have advance notice ...> Full Article |
Prepare for more floods - in ways we are not used to
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 | Science team designing a NASA satellite mission to collect global soil moisture measurements and other data seen as key to improving weather, flood and drought forecasts and predictions of agricultural productivity and climate change. ...> Full Article |
 | Researcher develops tool to evaluate the condition of streams and dam embankments ...> Full Article |
 | Major floods striking America's heartland in March offer a preview of the spring seasonal outlook, according to NOAA's National Weather Service. Several factors will contribute to above-average flood conditions, including record rainfall in some states and snow packs, which are melting and causing rivers and streams to crest over their banks. The week of March 15, more than 250 communities in a dozen states are experiencing flood conditions. ...> Full Article |
Researchers find that a much smaller spatial resolution should be used for modeling soil water
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Scientists at the University of East Anglia (UEA) have found that winter precipitation - such as rain and snow - became more intense in the UK during the last 100 years.
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 | Death Valley may be known by its three superlatives: hottest, driest, and lowest - as in temperature, rainfall, and elevation in the United States. But it was the flow of water through the National Park that attracted Boston College Asst. Prof. of Geology and Geophysics Noah P. Snyder to the desert of eastern California. ...> Full Article |
 | A University of Alberta Arctic ice researcher is closing in on some real understanding about the process that might be feeding rising sea levels. ...> Full Article |
A new study of past sea levels shows that they rose by an average of 1.6 metres every one hundred years the last time the Earth was as warm as it is predicted to be later this century, with levels reaching up to six metres above those seen today. The findings suggest that current predictions of sea-level rises may be too low.
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As the giant North American ice sheets melted an enormous pool of freshwater, many times larger than all of the Great Lakes, formed behind them. About 8400 years ago this pool of freshwater burst free and flooded the North Atlantic. About the same time, a sharp century long cold spell is observed around the North Atlantic and other areas. Researchers have often speculated that the cooling was the result of changes in ocean circulation triggered by this freshwater flood. The sudden addition of so much freshwater would have curtailed (suppressed) the sinking of deep water in the North Atlantic and as a consequence less warm water would be pulled north in the Gulf stream.
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The flood believed to be behind the Noah's Ark myth kick-started European agriculture, according to new research by the Universities of Exeter and Wollongong, Australia. Published in the journal Quaternary Science Reviews, the research paper assesses the impact of the collapse of the North American (Laurentide) Ice Sheet, 8000 years ago. The results indicate a catastrophic rise in global sea level led to the flooding of the Black Sea and drove dramatic social change across Europe. The research team argues that, in the face of rising sea levels driven by contemporary climate change, we can learn important lessons from the past.
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 | A catastrophic megaflood separated Britain from France hundreds of thousands of years ago, changing the course of British history, according to research published in the journal Nature today. ...> Full Article |
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