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The mobile dunes dataset identifies areas with potentially mobile sand along the coast in Eden District, Western Cape Province, South Africa, It is based on visual observations from aerial photography of 2013 and cross-referencing with associated vegetation types identified by Vlok (2014). It forms part of the littoral active zone. |
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The mobile dunes dataset identifies areas with potentially mobile sand along the coast in Eden District, Western Cape Province, South Africa, It is based on visual observations from aerial photography of 2013 and cross-referencing with associated vegetation types identified by Vlok (2014). It forms part of the littoral active zone. |
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Created by Royal HaskoningDHV
Project Information owned by the Western Cape Province, Department of Environmental Affairs and Development Planning:
Ms Ieptieshaam Bekko
Sub-Directorate: Coastal Management Directorate: Biodiversity and Coastal Management
Chief Directorate: Environmental Sustainability
4th Floor, Leeusig Building, 1 Dorp Street, Cape Town
Tel: 021 483 3370
E-mail: Ieptieshaam.Bekko@westerncape.gov.za |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The littoral active zone is defined by the National Environmental Management: Integrated Coastal Management Act (Act No. 24 of 2008) as any land forming part of, or adjacent to, the seashore that is — (a) unstable and dynamic as a result of natural processes; and (b) characterised by dunes, beaches, sand bars and other landforms composed of unconsolidated sand, pebbles or other such material which is either un-vegetated or only partially vegetated. The littoral active zone was delineated spatially as part of a larger project delineating coastal management lines for the Eden District, Western, Cape Province, South Africa undertaken by the Western Cape Province Department of Environmental Affairs and Development Planning during 2016-2018. The delineation identified the littoral active zone as three constituent parts - areas below the high-water mark, active dune areas and potentially mobile dune areas or 'dune fields' (this dataset). These potentially active dune fields were digitised manually off aerial photography from 2013 and cross-referenced against associated vegetation types identified by Vlok (2014) - specifically 'Drift Sands' and 'Littoral Vegetation'. </SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><P><SPAN>The concerned spatial layers were generated using the best information and methods available at the time, and it is acknowledged that this information will change and improve over time. All delineations relate specifically to wave run-up modelling and visual inspections conducted during 2017 and aerial photography from 2013. The scale of investigation and modelling implies that decisions relating to individual properties or locations can be informed further by higher resolution site-specific investigations. </SPAN></P></DIV></DIV> |
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GIS_DB.SDE.Mobile_Dunes__Final_ |
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["littoral active zone","coastal management","coastal management lines","mobile sand","dune fields"] |
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en-US |
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150000000 |
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