Maria Snoussi

Maria Snoussi
University Mohammed V · Earth Sciences

PhD in Coastal Geosciences

About

81
Publications
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Publications

Publications (81)
Article
Full-text available
The Moroccan Mediterranean coast is located in one of the area's most vulnerable to extreme weather events or tsunami hazards. The objective of this research is to reconstruct the historical extreme submersion-event record using sea-induced deposits preserved in coastal lagoon. The Nador lagoon is the largest Moroccan lagoon (115 km2). It is locate...
Article
Full-text available
Sea level rise is now a reality supported by scientific evidence, and coastal areas are already beginning to experience the consequences. The purpose of this work is to assess the vulnerability to accelerated sea level rise (SLR) and storm events in the barrier island of Nador lagoon, the largest lagoon (115 km²) of Morocco located along the Medite...
Article
Full-text available
Projected increases in sea level rise (SLR) and in the magnitude and frequency of extreme weather events pose a major challenge for the management of low-lying coastal ecosystems and human settlements in the context of climate change. The bay of Al Hoceima is one of the least studied and largest low-lying coastal ‎areas of the Moroccan ‎Mediterrane...
Article
As part of a broad assessment of climate change impacts in Morocco, an assessment of vulnerability and adaptation of coastal zones to sea-level rise was conducted. Tangier Bay which is the most important socio-economic pole in Northern Morocco represents one of the cases studies. Using a GIS-based inundation analysis and an erosion modelling approa...
Article
The eastern part of the Mediterranean coast of Morocco is physically and socio-economically vulnerable to accelerated sea-level rise, due to its low topography and its high ecological and touristic value. Assessment of the potential land loss by inundation has been based on empirical approaches using a minimum inundation level of 2 m and a maximum...
Article
Full-text available
Healthy wetlands are among the most effective sinks for carbon on the planet, and thus contribute to mitigate climate change. However, in North Africa, coastal wetlands are under high pressure especially from urban sprawl and tourism development, due to the rapid population growth and migration. This paper analyzed the effects of land use/land cove...
Article
Coastal managers and investors are increasingly aware that seaside tourism can only be sustainable if the coastal natural assets, in particular sandy beaches, are protected from erosion. Tetouan coast, which relies heavily on tourism is experiencing strong retreat. This study aims to value the lost profits to the tourism sector, if Tetouan beaches...
Article
Full-text available
Marchica Lagoon, a Ramsar site on the Mediterranean coast of Morocco, is experiencing the impacts of watershed pollution, which includes pollutants from the domestic, agricultural, industrial, and mining sectors. Restoration actions were undertaken around this lagoon during the last decade in order to protect its ecological value and to develop tou...
Book
Full-text available
Virtually all sub-regions of the Mediterranean Basin, on land and in the sea, are impacted by recent anthropogenic changes in the environment. The main drivers of change include climate (temperature, precipitation, atmospheric circulation, extreme events, sea-level rise, sea water temperature, salinity and acidification), population increase, pollu...
Article
Full-text available
This study analyses the seasonal distribution in the superficial sediments of the Marchica watershed of trace and major elements, grain size, and total organic carbon. Samples were taken during the wet and dry seasons of 2018 in the mainstream valleys carrying the discharges to the Marchica Lagoon. Ecotoxicological indices (Enrichment Factor, Conta...
Article
Full-text available
This paper presents major gaps and challenges for implementing the UN Decade of Ocean Science for Sustainable Development (2021-2030) in the Mediterranean region. The authors make recommendations on the scientific knowledge needs and codesign actions identified during two consultations, part of the Decade preparatory-phase, framing them in the Medi...
Book
Full-text available
Virtually all sub-regions of the Mediterranean Basin, on land and in the sea, are impacted by recent anthropogenic changes in the environment. The main drivers of change include climate (temperature, precipitation, atmospheric circulation, extreme events, sea-level rise, sea water temperature, salinity and acidification), population increase, pollu...
Article
Full-text available
The Atlantic coast of Morocco has been exposed to marine submersion events from storm surges and tsunamis which have resulted in human and economic losses. The absence of long term records for these hazards makes it difficult to trace their behavior through time, which is the first step to prepare proactive adaptation strategies for events that may...
Article
Full-text available
Coastal and marine management require the evaluation of multiple environmental threats and issues. However, there are gaps in the necessary data and poor access or dissemination of existing data in many countries around the world. This research identifies how remote sensing can contribute to filling these gaps so that environmental agencies, such a...
Article
Full-text available
This study provides an overview of 11 lagoons in North Africa, from the Atlantic to the Eastern Mediterranean. Lagoons are complex, transitional, coastal zones providing valuable ecosystem services that contribute to the welfare of the human population. The main economic sectors in the lagoons included fishing, shellfish harvesting, and salt and sa...
Article
The Nador lagoon is a coastal wetland which is subject to both the watershed pressures and land runoffs coming from domestic, agricultural, industrial and mining pollution. In 2017, 19 stations encompassing the entire lagoon and pollution sources, including 13 at the lagoon level and 6 at the watershed level, were sampled during wet and dry seasons...
Article
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...
Article
Coastal areas provide a large array of ecosystems services, contributing to the economic welfare of local communities. However, they are more and more submitted to both human pressures and natural forcing. Climate change creates additional risks and is expected to intensify the loss and degradation of coastal low lying-areas. The aim of this paper...
Article
Full-text available
Terrestrial ecosystems store more carbon (C) than the atmosphere and provide ecosystem services (ES) such as global climate regulation, by sequestering carbon within biomass and soil. Land use land cover (LULC) change is considered a key factor, playing an important role in the dynamic variations of carbon storage. The aim of this paper is to asses...
Article
Terrestrial ecosystems store more carbon (C) than the atmosphere and provide ecosystem services (ES) such as global climate regulation, by sequestering carbon within biomass and soil. Land use land cover (LULC) change is considered a key factor, playing an important role in the dynamic variations of carbon storage. The aim of this paper is to asses...
Article
Recent accelerated climate change has exacerbated existing environmental problems in the Mediterranean Basin that are caused by the combination of changes in land use, increasing pollution and declining biodiversity. For five broad and interconnected impact domains (water, ecosystems, food, health and security), current change and future scenarios...
Article
Full-text available
The natural conservation of coastal lagoons is important not only for their ecological importance, but also because of the valuable ecosystem services they provide for human welfare and wellbeing. Coastal lagoons are shallow semi-enclosed systems that support important habitats such as wetlands, mangroves, salt-marshes and seagrass meadows, as well...
Chapter
Full-text available
The Moulay Bousselham coastal lagoon is a Biosphere reserve, Ramsar site, and protected wetland on the north Atlantic coast of Morocco. However, the pressures of the increasing population and activities around the lagoon are threatening the system. Available physico-chemical data was compiled to construct a preliminary nutrient budget applying the...
Article
Lagoonal systems are vulnerable environments in the present day context of global climate change. The study of their sedimentary infill is critical to understand marine and continental factors controlling their evolution, and in so doing, evaluate their future behaviour and potential management. In that context, Mediterranean lagoons are particular...
Chapter
Coastal ecosystems, including sandy beaches have a high value (Wilson et al. 2004; Crossland et al. 2005), as they provide a wide range of market and non-market benefits to human societies (MEA 2005).
Chapter
Full-text available
Sandy beaches are dynamic systems evolving constantly as a result of the interaction between waves, wind and sea currents, and responding quickly to natural forcing by accreting or retreating.
Chapter
The coastal zone of Morocco includes a large number of sandy beaches spread along the Atlantic and the Mediterranean shorres.
Article
Full-text available
In Morocco, socio-economic activities are highly vulnerable to extreme weather events. This study investigates trends in mean and extreme rainfall, run-off and temperature, as well as their relationship with large-scale atmospheric circulation. It focuses on two Moroccan watersheds: the subhumid climate region of Bouregreg in the north and the semi...
Article
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In Morocco, socioeconomic fields are vulnerable to weather extreme events. This work aims to analyze the frequency and the trends of temperature and rainfall extreme events in two contrasted Moroccan regions (the Tensift in the semi-arid South, and the Bouregreg in the sub-humid North), during the second half of the 20th century. This study conside...
Chapter
Full-text available
A review of the data gathered over the last five decades on the NW African continental shelf within numerous research programmes shows that the sedimentary processes along the shelf are driven by long-term factors such as Quaternary glacial–interglacial periods and shelf morphology, and by short-term factors such as fluvial and aeolian sediment sup...
Article
Full-text available
The Moroccan Mediterranean coast is located in one of the most vulnerable area to extreme weather events or tsunami hazards. The objective of this research is to reconstruct the historical extreme submersion-events record using sea-induced deposits preserved in coastal lagoon. The Nador lagoon is the largest Moroccan lagoon (115 km2) located along...
Conference Paper
Full-text available
The increase of temperature over Morocco, projected by climate models, should affect hydroclimatic regimes and ecological and socio-economic systems. In order to investigate the evolution of these regimes in the large basins of Tensift and Bouregreg, we compared the trends of observed temperature, rainfall and runoff variability. Annual temperatu...
Article
Full-text available
En Afrique du nord, le comblement des retenues par les sédiments est un problème majeur pour les barrages. La relation avec l’évolution de l’occupation des sols et le changement climatique est mal connue. L’hypothèse est que les changements d’usage des sols et l’augmentation de la pression agricole, associés à une diminution durable des pluies, fra...
Article
Full-text available
Au Maroc l'Oued Bouregreg draine le ruissellement du centre nord du pays depuis le Moyen Atlas vers l'Atlantique. Ses eaux sont stockées dans la retenue du barrage Sidi Mohamed Ben Abdellah en amont de Rabat, pour desservir en eau douce un bassin de population de près de 8 millions d'habitants jusqu'à Casablanca. Depuis la création du barrage en 19...
Article
Full-text available
In North Africa, the filling of dams by sediments is a major problem. Relationships with the evolution of land use and climate change are poorly understood. The hypothesis is that changes in land use and increasing agricultural pressure, associated with a sustained decrease in rainfall, fragilize soils and make them more susceptible to erosion. Two...
Article
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Afin d'illustrer les impacts potentiels de l'élévation du niveau de la mer conjuguée avec l'occurrence de houles de tempête, la zone littorale de Mohammedia, une des zones les plus urbanisées et les plus industrialisées de la côte atlantique marocaine a été choisie dans le cadre de cette étude; en effet, la hausse du niveau des mers pourrait mettre...
Article
Full-text available
The geographical position and the diversity of reliefs make of Morocco a fertile context for the variety of meteorological situations. Calvet and Legoff (1977) have identified 16 various weather types in their study in the country. Morocco is regularly subjected to global or convective and long or short meteorological episodes. It does not seem to...
Chapter
Full-text available
Scientific evidence suggests that climate change and sea-level rise will potentially have significant impacts on the coastal environment and human society. The most valuable set of tools that can be used to understand the processes associated with these changes and to assess their environmental and socioeconomic impacts is Geographic Information Sy...
Article
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MEDFRIEND is one of the eight FRIEND programs of the UNESCO International Hydrological Program. Its goal is to enhance research collaboration between neighbouring countries in hydrology and related sciences, within several major research themes in the area. The research themes are: erosion and solid transport; coastal ecohydrology; karst hydrogeolo...
Article
Full-text available
Anthropogenic factors associated with damming and water abstraction, and the resultant environmental pressures, are reviewed in six African river catchments using records and forecasts of climatic, demographic, and land-use change. Changes in the states of the flow regime through catchment drainage systems to the coastal sea are considered in conju...
Conference Paper
Full-text available
The Mediterranean network to Assess and upgrade the Monitoring and forecasting Activity (MAMA), a 3-year thematic network project shared by leading marine research institutions from all the Mediterranean countries, has contributed to strengthening the institutional and scientific platform for the establishment of operational oceanography in the reg...
Article
Full-text available
Selected trace metals (Pb, Zn, Cu, Ni and Cr) were studied in surface sediments and cores from the Souss wadi estuary. Trace metal concentrations in riverine and effluent SPM, and in down-the estuary, bed sediments, show that Cr and Ni have a geological origin, while, Pb, Zn and Cu apparently are anthropogenic. The concentration of most metals in d...
Article
Full-text available
Illite, chlorite and kaolinite, resulting directly from substratum weathering, dominate the clay assemblages recorded in altered rocks and soils of the Souss Wadi watershed. Nevertheless, the transformation and neoformation of diverse clay minerals, which is mainly controlled by changing climatic, lithological and topographic conditions, enables on...
Article
Full-text available
Illite, chlorite and kaolinite, resulting directly from substratum weathering, dominate the clay assemblages recorded in altered rocks and soils of the Souss Wadi watershed. Nevertheless, the transformation and neofor-mation of diverse clay minerals, which is mainly controlled by changing climatic, lithological and topographic conditions, enables o...
Article
Full-text available
En septembre 1989, l’apparition soudaine de fortes teneurs en manganèse (5,6 mg/L) dans les eaux du lac du barrage Abdeklkrim El Khattabi (Maroc) - destiné à l'alimentation en eau potable - a provoqué l’arrêt de la station de traitement avec de graves conséquences sur la gestion de l’eau. Cet événement a nécessité l’identification de l'origine de c...
Article
Full-text available
Selected trace metals (Pb, Zn, Cu, Ni and Cr) were studied in surface sediments and cores from the Souss wadi estuary. Trace metal concentrations in riverine and effluent SPM, and in down-the estuary, bed sediments, show that Cr and Ni have a geological origin, while, Pb, Zn and Cu apparently are anthropogenic. The concentration of most metals in d...
Article
Full-text available
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