coastlines have not yet seen enough sea-level rise to notice the flooding effects.īy the mid-2030s, the next time the wobble enters its tide-amplifying phase, global sea level rise due to climate change will have had another decade to advance.ġ00s More Offshore Wind Turbines Greenlighted for New Jersey Coast The moon is currently in the tide-amplifying part of its 18.6-year wobble, in 2021. “Understanding that all your events are clustered in a particular month, or you might have more severe flooding in the second half of a year than the first – that’s useful information.” “From a planning perspective, it’s important to know when we’ll see an increase,” Hamlington said. Here's why they are considered key to America's energy future.īen Hamlington, a co-author of the moon wobble study and leader of NASA's Sea Level Change Team, said the study is vital for coastal urban planners, who may tend to focus on preparing for extreme weather events over chronic flooding. Advocates are pushing for hundreds of the nearly Eiffel Tower-sized turbines by 2030. The first wave of offshore wind farms are being considered for the Mid-Atlantic between North Carolina and Massachusetts. Seeping cesspools become a public health issue.” "People lose their jobs because they can’t get to work.
“But if it floods 10 or 15 times a month, a business can’t keep operating with its parking lot underwater," Phil Thompson, an assistant professor at the University of Hawaii and the lead author of the NASA study, said. High tide floods are less dramatic visually and involve less water than hurricane storm surges, so they are often seen as a less pressing problem. "Planning, adaptation and even environmental justice issues should have started years ago," he added. Velinsky said the study was enlightening because it closely examined historical data at 89 locations in every U.S. "And the question is how will we deal with it? How will coastal areas deal with it?" The coastal forests will be impacted, and we’re see these changes occur in the decades ahead," said Velinsky, who is also head of Drexel's Department of Biodiversity, Earth and Environmental Sciences. "Sea level rise will continue more and more, and we’ll lose more marshes.
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Get the NBC10 Philadelphia app for iOS or Android and pick your alerts. Stay informed about local news, politics and weather. These types of floods are already well-known to residents in places like Stone Harbor, New Jersey, or Miami, Florida, and the new study shows that sunny day flooding will grow in frequency in the mid-2030s.ĭavid Velinsky, the vice president for science at the Academy of Natural Sciences of Drexel University who has studied the effects of rising sea levels on coastal marshes in New Jersey and Delaware, said the new study is concerning for coastal communities. The floods can overwhelm storm drains, close roads and compromise infrastructure over time. High-tide floods, also known as nuisance floods or sunny day floods, occur not because of storm surges from extreme weather or excessive precipitation, but instead when the tide rises into populated areas. Coastal communities, from the Jersey Shore to Miami to Southern California, are likely to see a dramatic surge in high-tide floods starting in the mid 2030s as rising sea levels due to climate change align with natural shifts in the moon's orbit, a new NASA study warns.
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