© Chuck Peoples / TNC In 1989, the Conservancy purchased 10,626 acres along the river that became the Roanoke National Wildlife Refuge.Since 2002, the Conservancy has worked with the Corps of Engineers on dam releases that mimic natural flows, providing pulses of water to the floodplain forest that provide for vegetation and fish migration and spawning.
By late February, the dam operators were releasing more than 400 acre-feet per hour into the lower river—enough water to flood 400 acres of grapes or almonds shin-deep.
NIWA is asking people in flood-affected areas to contribute photos to a national database to support understanding of flood hazard and flood risk.I am really excited by the development of NIWA’s citizen science app, as we look to gather more information to support our country’s flood management decision-making.”.
(Of course probability doesn't work like that; I was just trying to figure out how weird things might be getting.).Another flood will surely come, though, which means it's time to broaden our expectations.
New NIWA-led research shows increasing flood risk is going to be what leads people to make changes to adapt to sea-level rise.“Rising seas are slowly causing a trifecta of impacts along coastlines in Aotearoa: increasingly frequent flooding, coastal erosion and even permanent inundation,” says Dr Scott Stephens, NIWA Chief Scientist for Coasts & Estuaries.
Flood flows on the Buller River this month were the largest of any river in Aotearoa New Zealand in almost 100 years, NIWA measurements show.Meanwhile, a NIWA monitoring station on the Buller River at Te Kuha, about 10km upstream, was continuously recording water levels throughout the flood.
A new study shows that nuisance flooding is exacerbated by dredging and the construction of piers and jetties that were intended to make coastal living easier but are in fact redirecting the flow of incoming ocean water and making high tides higher than ever before.
That was one of the findings in research, published this month in leading scientific journal Natural Hazards and Earth Science Systems, in which NIWA researchers describe how small increases in sea level rise are likely to drive huge increases in the frequency of coastal flooding in the next 20–30 years.
For scientists to actually quantify how things might get worse in the future thanks to climate change, they need objective measurements.
An American Elm. Photo © Diane Cook and Len Jenshel / TNC A hot August sun punched through rain clouds as my wife Donna and I exited our truck at the Fannie Stebbins Wildlife Refuge, in Longmeadow, Massachusetts, now part of the Silvio O.
But when moderators and audience members asked the Democratic hopefuls whether they’d relocate people away from coastal areas prone to flooding, the candidates called it virtually everything other than retreat.
Two reports released today by NIWA and the Deep South National Science Challenge reveal new information about how many New Zealanders, how many buildings and how much infrastructure could be affected by extreme river and coastal flooding from storms and sea-level rise.
Super-soaked spring soils, unplanted fields, record-rising rivers, runaway barges—this is in all likelihood what climate change looks like for the middle of the country.
Fueled by rapidly melting snowpack and a forecast of more rainstorms in the next few weeks, federal officials warn that 200 million people in 25 states face a risk through May. Floodwaters coursing through Nebraska have already forced tens of thousands of people to flee and have caused $1.3 billion in damage.
Such solutions include widening of natural flood plains, protecting and expanding wetlands, restoring oyster and coral reefs and investing in urban green spaces that reduce run-off.
With human-driven climate change not only heating up the world but exacerbating hurricanes and wildfires, fire ants are primed to reap their rewards. Fire ant colonies with multiple queens are denser—400 to 500 mounds an acre, instead of 40—and take more of a toll on the species around them.
“They should not be there; they know it’s not safe!” Citizens, journalists, and policymakers, express disbelief that people relocated to safer parts of the city return to their former, flood-prone neighborhoods.
NIWA’s Chief Scientist, Climate, Atmosphere and Hazards, Dr Sam Dean says that by making sound choices now, and in the future, farmers can adapt, increase resilience, and reduce risks and costs for themselves and future owners of their farms.
This year, NIWA completed a project that aims to help build community resilience against flooding in the Bumbu River and contribute to improving Papua New Guinea’s disaster preparedness in the face of increasing climate-related disasters. NIWA and PNG staff installed a hydro-meteorological monitoring network and early warning system for floods, in a pilot scheme for the river.
“The Guidance provides methods that can be used for decision making under deeply uncertain conditions about the future, such as how fast sea level will rise, or how community coping capacity and vulnerability will change,” says Dr Stephens.
Falls in the average tracking speeds of hurricanes and typhoons, attributed to global warming, put more lives at risk Research published in Nature earlier this year showed that the average speed at which tropical storms track has slowed down by 10% since 1949.
Experts say you should never drive through fast-moving water.5 Dangers of Flooding in Hurricane Florence Experts provide the steps you can take to avoid them. Experts say you should never drive through fast-moving water.Drenching rains were inundating North Carolina on Friday as Hurricane Florence crawled inland at three miles an hour.
But Lochbaum points out that history proves such preparation might not be enough.In its 2012 post-Fukushima review, Florida Power & Light told the NRC that flood protections at its St. Lucie plant on South Hutchinson Island were adequate, despite failing to discover six electrical conduits with missing seals in one of the emergency core cooling systems.