Sea level rise is accelerating In the Provence-Alpes-Côte d'Azur region, a third of the population lives on 10% of the Mediterranean coast.
By 2050, inhabitants and infrastructures will have to adapt to deal with the risks of submersion and flooding To what extent is the climate changing on the coast of the Provence-Alpes-Côte d'Azur region and in the Mediterranean Sea? For 2050, projections announce a rise in temperatures of the order of +2.
5 To +5 5°c In Summer
The cascading consequence of this global warming: the rise in sea level is accelerating A finding that concerns the third of the population living by the sea, concentrated on 10% of the Mediterranean coast.
Especially since the storms promise to become more and more violent and frequent, causing a retreat of the coastline by a phenomenon of erosion The boundary between land and sea will therefore shift the lines in terms of risk.
If some concrete beaches and seafront promenades will disappear under water, homes and infrastructure will also be impacted, knowing that 40% of the coasts are built in our region Rethinking the territory "There is an urgent need to anticipate how we should develop the coast", explains the ecologist and coordinator of GREC-SUD, Antoine Nicault.
The regional group of experts on climate has set itself the task, like the IPCC at the international level, of informing local decision-makers on the state of knowledge on climate change According to experts, Coastal erosion and marine flooding are therefore to be taken very seriously and placed under close surveillance.
Areas such as the Camargue and the Salins d'Hyères, located at sea level, are identified vulnerable areas "But the etang de berre is also connected with the sea and it is to be feared with the rise in the level of the water that the surrounding infrastructures will be affected.
" Mainly industrial infrastructure, with petrochemicals firmly rooted in the sector Ditto on the side of the chemical platform of Lavéra and the EDF power plant of Martigues, factories classified Seveso, built on the coast, which already present major technological risks.
A challenge on several fronts "It goes well beyond that", explains Antoine Nicault, " capture knowledge Same approach on the GREC-SUD side, so that "the entire population and economic actors increase their knowledge of the issues because no one has the answer alone in their corner.
" "We all find it difficult to think of the world differently and not just politicians It is difficult to measure the extent of what awaits us.
But we will have to act on our territories, which does not mean moving everything tomorrow " Antoine Nicault, paleoclimatologist Coastal risk prevention plans exist.
To give citizens more control, the legislation is changing Since January 1, 2023, a new law has somewhat upset the rules for owners wishing to sell their property.
They will now have to provide a statement of risks and pollution (ERP), a document necessary for the compromise or the promise of sale, which includes the risk of marine submersion in the coastal zone To find out the nature of the risks close to home and to obtain this document, the Georisques.
gouv fr website establishes the list of the municipalities concerned and the vulnerable sectors.
The government site specifies that the risk of submersion and that of tsunamis are very real in France and that the Mediterranean is not immune, hit by disasters on several occasions in the past Five million people and 850,000 jobs are currently exposed to the risk of marine submersion in France, one of the European countries most threatened by maritime hazards.
which includes the risk of marine flooding in the coastal zone To find out the nature of the risks close to home and to obtain this document, the Georisques.
gouv fr website establishes the list of the municipalities concerned and the vulnerable sectors.
The government site specifies that the risk of submersion and that of tsunamis are very real in France and that the Mediterranean is not immune, hit by disasters on several occasions in the past Five million people and 850,000 jobs are currently exposed to the risk of marine submersion in France, one of the European countries most threatened by maritime hazards.
which includes the risk of marine flooding in the coastal zone To find out the nature of the risks close to home and to obtain this document, the Georisques.
gouv fr website establishes the list of the municipalities concerned and the vulnerable sectors.
The government site specifies that the risk of submersion and that of tsunamis are very real in France and that the Mediterranean is not immune, hit by disasters on several occasions in the past Five million people and 850,000 jobs are currently exposed to the risk of marine submersion in France, one of the European countries most threatened by maritime hazards.
fr draws up the list of municipalities concerned and vulnerable sectors The government site specifies that the risk of submersion and that of tsunamis are very real in France and that the Mediterranean is not immune, hit by disasters on several occasions in the past.
Five million people and 850,000 jobs are currently exposed to the risk of marine submersion in France, one of the European countries most threatened by maritime hazards fr draws up the list of municipalities concerned and vulnerable sectors.
The government site specifies that the risk of submersion and that of tsunamis are very real in France and that the Mediterranean is not immune, hit by disasters on several occasions in the past Five million people and 850,000 jobs are currently exposed to the risk of marine submersion in France, one of the European countries most threatened by maritime hazards.
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