Multi-decadal dynamics of the Saloum River delta mouth in climate change context

Sadio, Mamadou; Sakho, I.; SEUJIP, Marcellin SAMOU; Gueye, Adama; Diouf, Mame Boucar; Deloffre, J.

doi:10.1016/j.jafrearsci.2022.104451

Cited by 6 publications

(7 citation statements)

References 15 publications

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“…Furthermore, Oloyede et al [99] highlighted a shoreline change rate of <−2.0 to 1.0 m/year over the entire coastline of Nigeria. Sadio et al [62] informed us that the average erosion rate for the entire coast along the Saloum River mouth between Diakhanor and Sangomar, Senegal, remains at −3.56 m/year. Komolafe et al [60] again revealed that approximately 40 km of the shoreline of Ilaje-Ondo State, Nigeria, was accreting with an average of 1.08 m/year and an average erosion rate of −1.40 m/year.…”

Section: Shoreline Change and Coastal Erosion Due To Natural Eventsmentioning

confidence: 99%

“…Likewise, Ndour et al [61] suggested to the coastal authorities in Senegal and Benin the need to improve the adaptation strategies along the coasts of the countries. Similarly, Sadio et al [62] emphasized the need for improved adaptation measures along the shoreline of Senegal due to the projected rise in sea level by 2050 and 2100. Along the Volta River estuary in Ghana, Appeaning Addo et al [90] suggested to authorities the need for effective management approaches such as developing disaster risk reduction strategies as well as increasing the resilience and adaptive capacity of the communities along the estuary.…”

Section: More Erosion Along Thementioning

confidence: 99%

“…As the number of original research studies on shoreline change and erosion of coasts and beaches increases across coastal regions of the world, the number of literature reviews that portray the state-of-the-art research stance and policy direction on the subject has also increased (e.g., [10,35,[46][47][48][49][50][51][52][53][54]). While the number of literature review studies on the subject increases in many regions of the world, the research progress and policy stance on the subject in question remain limited in the West African region, although original research exists (e.g., [13,[55][56][57][58][59][60][61][62][63]). While the original research keeps increasing in the region, it is equally important to understand the state-of-the-art stance and progress on the subject in the region and the policy directions recommended.…”

Section: Introductionmentioning

confidence: 99%

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Shoreline Change and Coastal Erosion in West Africa: A Systematic Review of Research Progress and Policy Recommendation

2023

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Shoreline change and coastal erosion resulting from natural events such as sea level rise and negative anthropogenic activities continue to be problems in many of the world’s coastal regions. Many coastal socio-ecological systems have become vulnerable as a result, especially in developing countries with less adaptive capacity. We utilized the systematic method to understand the research progress and policy recommendations on shoreline change and coastal erosion in West Africa. A total of 113 documents were retrieved from Scopus and the Web of Sciences databases, and 43 documents were eligible following established criteria. It was revealed that research on shoreline change and coastal erosion has progressed substantially since 1998, with most research studies originating from the Ghanaian territory. Again, most of the shoreline change and erosion problems in West Africa result from natural events such as sea level rise. However, there was evidence of anthropogenic influences such as sand mining, dam construction, and human encroachment causing shoreline change and erosion in the region. Research in the region has also progressed in terms of methodological approaches. Since 2004, researchers have utilized remote sensing and GIS techniques to source and analyze shoreline change and erosion. However, a combination of remote sensing and field observation approaches is required to clearly depict the erosion problems and aid policy direction. The overall call to action regarding policy recommendations revolves around improving coastal adaptation measures and the resilience of communities, instituting proper coastal zone management plans, and improving shoreline change and coastal erosion research. To protect lives and property, policymakers in the region need to set up good coastal zone management plans, strengthen adaptation measures, and make coastal communities more resistant to possible risks.

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Section: Shoreline Change and Coastal Erosion Due To Natural Eventsmentioning

confidence: 99%

Section: More Erosion Along Thementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Shoreline Change and Coastal Erosion in West Africa: A Systematic Review of Research Progress and Policy Recommendation

2023

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“…As the true lung of the world economy, coastal zones are subjected to the perpetual action of ocean short waves (hereafter simply waves), which continuously shape their morphology and may even drive irreversible damages and changes under extreme conditions, impacting coastal ecosystems, infrastructures, socio-economic activities and the safety of human life [1][2][3][4][5][6]. Research focusing on wave climatology remains rare in the tropical Atlantic, particularly in Western Africa [4,7].…”

Section: Introductionmentioning

confidence: 99%

“…Research focusing on wave climatology remains rare in the tropical Atlantic, particularly in Western Africa [4,7]. Yet, a good knowledge of wave climate is crucial for decision-making and to reach resilient and sustainable coastal management, particularly in the context of increased coastal risk related to climate change [5,6,[8][9][10][11]. The increase in significant wave heights (hereafter, Hs) since the second half of the 20th century, as well as changes in other wave parameters (mean periods (T m02 ) with peaks (T p ) and directions (DIR)) reported at high and medium latitudes north (e.g., [12][13][14]) and south [15,16], raises questions about the situation for Senegal.…”

Section: Introductionmentioning

confidence: 99%

Wave Climate Variability along the Coastlines of Senegal over the Last Four Decades

Samou,

Bertin,

Sakho

et al. 2023

Atmosphere

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Knowledge of wave climate is essential for efficient management of the world’s coastal areas. Senegal is a relevant case, given its high coastal vulnerability to energetic wave conditions. This study investigates wave climates along the coastal zone of Senegal based on a new high-resolution hindcast covering the period 1980–2021. This study evaluates the average, seasonal, and extreme values for the significant wave heights (Hs), periods (Tm02/Tp), and mean directions (DIR). In boreal winter, the wave climate is dominated by swells coming from the North-Atlantic lows. In contrast, in boreal summer, the Southern Coast (from Dakar to Casamance) is exposed to swells generated in the South Atlantic Ocean. Throughout their refraction around the Dakar Peninsula, NW swells rotate by ~100° from NW to SW, while their Hs is roughly halved when reaching the Southern Coast of Senegal. Over the studied period, trends in Hs are weak (~0.6 cm.decade−1) on the Northern Coast and double on the Southern Coast (~1.2 cm.decade−1), mostly due to an increase during boreal summer (2 cm.decade−1). The wave periods show weak trends (~0.05 s.decade−1), and DIRs show weak counterclockwise rotation (−1°.decade−1). These trends are explained by the main climate modes of the Atlantic Ocean (NAO/EA during winter, SAM during summer) and are important for future research and long-term monitoring of the Senegalese Coast.

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Sea level rise and future shoreline changes along the sandy coast of Saloum Delta, Senegal

et al. 2022

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Multi-decadal dynamics of the Saloum River delta mouth in climate change context

Cited by 6 publications

References 15 publications

Shoreline Change and Coastal Erosion in West Africa: A Systematic Review of Research Progress and Policy Recommendation

Shoreline Change and Coastal Erosion in West Africa: A Systematic Review of Research Progress and Policy Recommendation

Wave Climate Variability along the Coastlines of Senegal over the Last Four Decades

Sea level rise and future shoreline changes along the sandy coast of Saloum Delta, Senegal

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