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
Today, with sea level rise and erosion threatening to eat away at the sandy expanses and damage city infrastructure, Santa Monica is testing a softer intervention. In a partnership with the nonprofit Bay Foundation, 3 acres of the beach’s north end have been seeded with native California dune plants.
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Massive coastal flooding in northern Europe that now occurs once every century could happen every year if greenhouse gas emissions continue to rise, according to a new study.
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Many cultural sites vulnerable to climate-related changes such as rising sea levels, coastal erosion and flooding from stronger storms, warn researchers.
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Dozen islands are shrinking in Virginia’s barrier chain, which stretches for about 75 miles along the Eastern Shore.
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Governor-elect Roy Cooper, with whatever powers he has left, has two particularly important tasks facing him on the environmental front. One is to reinvigorate and restore the state’s Department of Environmental Quality (DEQ) and to bring robust science to the fore. The second task is to bring our coastal management program into the 21st Century.
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In the December 16 issue of Science, an insightful article about sea-level rise argues that there is a good possibility that the increase will exceed six feet by 2100.
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A plan to respond to climate change by building a city of floating islands in the South Pacific is moving forward, with the government of French Polynesia agreeing to consider hosting the islands in a tropical lagoon. But the project has critics in French Polynesia and beyond.
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Sea-level rise isn’t the only aspect of climate change expected to affect coastal wetlands: changes in rainfall and temperature are predicted to transform wetlands in the Gulf of Mexico and around the world within the century. These changes will take place regardless of sea-level rise.
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Global sea level rise is unfolding at a stunning pace, and a new report from the National Oceanic and Atmospheric Association (NOAA) says the U.S. will find itself directly in the crosshairs. Over the coming decades, some parts of the nation’s coastline will be hit harder than others.
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