Coastal landslide mapping of the Black Ven Spittles complex, Charmouth
AffiliationUniversity of Chester
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AbstractLandslides are not generally perceived as natural hazards that significantly affect the UK. However, slope instability affects many parts of Britain including the Dorset and Devon coastline. Black Ven Spittles is a classic landslide complex along this coastline, exhibiting some of the largest and most dynamic landslips in Europe. It has a long history of instability with significant events occurring as recently as 2008 when a succession of rock falls occurred towards the western side of the complex, uncovering waste material from the old town tip. With the beach adjacent to the landslide regularly used by tourists, fossil hunters and locals for recreational activities, it is of paramount importance that landslides be mapped to determine the active areas. Such mapping may be used for effectively managing the risk posed for this landslide complex. Through field and geospatial mapping techniques utilising remote sensing imagery and Geographical Information Systems (GIS), the most updated geomorphic map of the landslide complex is presented. The maps produced as a result of this research identify how the ‘system’ has changed since 1996 when the most comprehensive geomorphic map prior to this research was published. The most active section of the landslide complex is near the village of Charmouth, which is popular with tourists and fossil-hunters. By identifying this increasing risk, management can be better informed and the public made more accurately aware of this natural hazard
CitationMorris, C., Miller, S. (2014). Coastal Landslide Mapping of the Black Ven Spittles Complex, Charmouth. Proceedings of the Dorset Natural History & Archaeological Society, 135, 167-80.
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