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Rugosity (or roughness) of the seafloor is the ratio of surface area to planar area, and is a measure of terrain complexity. Calculated over 3 x 3 neighbouring cells. In the benthic environment, ecological diversity can generally be correlated with environmental complexity. As such, rugosity is often used to help identify areas with potentially high biodiversity.Generated using Benthic Terrain Modeller (BTM) ArcGIS extension.Wright, D.J., Pendleton, M., Boulware, J., Walbridge, S., Gerlt, B., Eslinger, D., Sampson, D., and Huntley, E. 2012. ArcGIS Benthic Terrain Modeler (BTM), v. 3.0, Environmental Systems Research Institute, NOAA Coastal Services Center, Massachusetts Office of Coastal Zone Management. Available online at http://esriurl.com/5754. |