Coastal Erosion- M Shahriar Sonet
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This document defines coastal erosion and discusses its causes and impacts. It outlines several ways coastal erosion occurs, such as wave action, corrasion, attrition, solution, and hydraulic action. Natural causes include sea level rise, tidal waves, and high winds, while human causes comprise deforestation and transportation processes. Impacts involve disruption of ecosystems, biodiversity loss, water quality degradation, displacement, and more. The document also examines coastal erosion in Bangladesh and other countries like England, Malibu, and Malta. Mitigation efforts include afforestation, embankments, monitoring river flows, and controlling activities like hill cutting.
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Coastal Erosion And Its Control
Erosion is when wind, water, and ice take sediments away.
Erosion on coasts by wind and water.
Water is major agent of erosion.
About 21% of all erosion in done by coastal erosion.
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Coastal Erosion- M Shahriar Sonet
- 1. COASTAL EROSION M SHAHRIAR SONET ID 16131034 Disaster & Human Security Management
- 2. Content DEFINITION WAYS OF COASTAL EROSION CAUSES OF COASTAL EROSION COASTAL EROSION IN BANGLADESH COASTAL EROSION IN OTHERS COUNTRIES MITIGATION CONCLUSION
- 3. Definition
- 6. Corrasion
- 7. Attrition
- 8. Solution
- 10. Mitigation Natural • 1. Sea level rise • 2. Tidal wave • 3. High wind Human made • 1. Deforestation • 2. Transportation process in the coastal area and in the sea Causes of Coastal Erosion
- 11. Food cycle in coastal area Biodiversity Degrade water quality Displacement Diseases & change of fishery species Siltation Impacts of Coastal Erosion
- 14. IMPACTS IMPACTS OF COASTAL EROSION IN BANGLADESH o Heavy discharge through the GBM river system o Wave action due to strong Southwest monsoon o High astronomical tides o Strom surges in the BOB o Deforestation o Hill cutting activities o Municipal/ urban wastes
- 15. COASTAL EROSION IN OTHERS COUNTRIES o England o Malibu o Santa Barbara o Malta o Devil’s slide
- 16. Santa Barbara Fort Ricasoli in Kalkara, Malta Malibu Devil’s Slide
- 17. Afforestation in the coastal area Stone and boulders embankment River water flow monitoring. Control/proper plan & management of human activities (Hill cutting, Deforestation, Ship breaking etc) Urban soil deposition and treatment Mitigation
- 18. CONLCUSION
- 19. ANY QUESTION?