Print Email Facebook Twitter Mapping mangrove opportunities with open access data Title Mapping mangrove opportunities with open access data: A case study for Bangladesh Author Gijón Mancheño, A. (TU Delft Hydraulic Structures and Flood Risk) Herman, P.M.J. (TU Delft Environmental Fluid Mechanics; Deltares) Jonkman, Sebastiaan N. (TU Delft Hydraulic Structures and Flood Risk) Kazi, Swarna (World Bank) Urrutia, Ignacio (World Bank) van Ledden, Mathijs (The World Bank) Date 2021 Abstract Mangroves protect coastal areas against hazards like storms or cyclones by attenuating waves and currents, and by trapping floating debris during extreme events. Bangladesh is a very vulnerable country to floods and cyclones, and part of its coastal system is thus being upgraded to a higher safety standard. These upgrades include embankment reinforcement and mangrove afforestation schemes seawards of the embankments. To further strengthen the implementation of combined green–grey infrastructure in future programs, identifying potential mangrove development sites near the polder systems is a necessary first step. We thus developed a tool to systematically identify mangrove sites throughout the coastal area based on open access data. This method identi-fies potential sites for mangrove development based on their distance from existing mangrove patches and suggests the required technique to implement the vegetation depending on the rate of coastline change. Our method showed that approximately 600 km of the coastal stretches placed seawards of embankments are within 10 km of existing mangroves, and could thus be potential sites for mangrove establishment. Out of those 600 km, we identified 140 km of coastline where the land-wards polders are particularly vulnerable to flooding. The sites with highest restoration potential and priority are located in Galachipa, Hatiya, Bhola, Manpura, Khangona, and Boro Moheshkhali. More detailed data collection and local assessments are recommended prior to executing mangrove afforestation schemes. Nevertheless, this method could serve as a useful systematic tool for feasi-bility studies that identify mangrove opportunities in data-scarce areas and help to prioritize data collection at the sites of highest interest. Subject Building with natureHybrid engineeringMangrove afforestationMangrove mappingVegetated fore-shores To reference this document use: http://resolver.tudelft.nl/uuid:acb3b85e-eac1-429d-9ef4-292c3ff8a521 DOI https://doi.org/10.3390/su13158212 ISSN 2071-1050 Source Sustainability, 13 (15), 1-18 Part of collection Institutional Repository Document type journal article Rights © 2021 A. Gijón Mancheño, P.M.J. Herman, Sebastiaan N. Jonkman, Swarna Kazi, Ignacio Urrutia, Mathijs van Ledden Files PDF sustainability_13_08212_v3.pdf 5.72 MB Close viewer /islandora/object/uuid:acb3b85e-eac1-429d-9ef4-292c3ff8a521/datastream/OBJ/view