Abstract
The coastal zone of Morocco forms one of the main socioeconomic areas of the country. However, intensive coastal development places beaches under significant anthropogenic pressures, aggravated by sea-level rise and storm surges due to climate change. The potential retreat of the beaches can threaten seaside tourism business, which plays a critical role in the local economy. It is therefore important to predict the behavior of the most touristic beaches in Morocco, in response to the future sea-level rise. The estimation of the rate of beach retreat under different scenarios of sea-level rise, at 16 touristic sandy beaches, using an ensemble of five morpho-dynamic models showed that: (i) the narrower the beach, the more it is at risk of erosion and loss in response to SLR; (ii) almost half of the studied beaches would lose more than 50% of their width with 2m SRL scenario. The main shortcomings of current management approaches to coastal erosion are analyzed and recommendations for future beach management within an integrated strategy are suggested.
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