Sea Level Rise
There will always be beaches, but sea level rise will ensure that they will not be in the same place in the future. The beaches will still exist throughout this change, but many of the buildings may not. Efforts to save development, however do threaten beaches, such as shoreline armoring structures.
Although relative amounts of rise may seem very small, only a few millimeters per year, the cumulative effect of these small rises each year over a long period of time (100+ years) causes major problems. Accelerated rates of erosion are attributed to sea level rise and erosion causes large economic losses around the world each year due to the close proximity of buildings and critical infrastructure. This includes transportation systems, gas and oil lines as well as electricity lines and power plants.
Most developed coasts and beaches have buildings very close to the ocean leaving little room for the ever-expanding ocean. The future effects of sea level rise on coastal civilization over the entire world are of great concern. Over half of the world’s population lives within 100 km of the coast. Over the next 50 years, damage due to coastal development will be devastating, but if the rate of sea level rise increases, the results could be catastrophic. This issue threatens areas from New York City in the United States to the Pearl River Delta in China to the Maldives.
The world map below allows you to see elevations of coastal areas. Areas in red are the lowest in elevation and are most prone to flooding. Check out Manhattan in New York City. If you think the situation there looks dire, be sure to check out the effects of a 2 m rise in sea level on Pearl River Delta in China, home to more than 40 million people. Map courtesy of globalwarmingart.com
Surfing in / Sea Level Rise
Soft sand shifting south will eventually mean cars will no longer be able to drive along the beaches in Volusia County. According to the study, ocean levels are rising every year, which means Mother Nature may eventually decide if cars should remain on the beach regardless of what the sand does. The report also states cities with limited beach driving have higher real estate values.
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The data are in, and the numbers are unequivocal: the coast of North Carolina, and especially the northern part of the Outer Banks, is sinking into the sea.
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As National Geographic showed us in 2013, sea levels would rise by 216 feet if all the land ice on the planet were to melt. This would dramatically reshape the continents and drown many of the world’s major cities.
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A surprising and little known fact: More than half of those who die during hurricanes perish from drowning. For the first time this year, scientists began communicating warnings that included storm surge.
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The National Oceanic and Atmospheric Administration is testing a new feature that lets people get a look at what kind of damage and storm surges are possible, and using nearby Charleston for the preliminary model.
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The value of many oceanfront properties on the East Coast could drop dramatically if Congress were to suddenly end federal beach nourishment subsidies. Values could fall by as much as 17 percent in towns with high property values and almost 34 percent in towns with low property values.
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Released Tuesday by the Coastal Resources Commission’s Science Panel, the report presents three scenarios for rising seas along the coast through 2045, based on global predictions and historical data from five tidal gauges.
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The Antarctic is far away, freezing and buried under a patchwork of ice sheets and glaciers. But a warming climate is altering that mosaic in unpredictable ways — research published Thursday shows that the pace of change in parts of the Antarctic is accelerating.
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Chronic erosion dominates the sandy beaches of Hawai’i, causing beach loss as it damages homes, infrastructure, and critical habitat. Researchers have long understood that global sea level rise will affect the rate of coastal erosion. However, new research indicates that coastal erosion of Hawai’i’s beaches may double by mid-century.
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