SAFE topographic roughness

<b>Description: </b><p>These GeoTIFFs contain two different measurements of topographic roughness for the SAFE landscape (Wilson <i>et al.</i> 2007, Riley <i>et al.</i> 1999) These have been calculated using the raster package in R from SRTM data processed for use at SAFE (<a href="https://www.zenodo.org/record/3490488">https://www.zenodo.org/record/3490488</a>).<br><br>Further details of the dataset and processing can be found at <a href="https://www.safeproject.net/dokuwiki/safe_gis/topographic_roughness">https://www.safeproject.net/dokuwiki/safe_gis/topographic_roughness</a>. </p><p><b>Project: </b>This dataset was collected as part of the following SAFE research project: <a href="https://www.safeproject.net/projects/project_view/1"><b>SAFE CORE DATA</b></a></p><p><b>XML metadata: </b>GEMINI compliant metadata for this dataset is available <a href="https://www.safeproject.net/datasets/xml_metadata?id=3697796">here</a></p><p><b>Files: </b>This dataset consists of 3 files: SAFE_topographic_roughness.xlsx, SRTM_UTM50N_TRI_Riley1999.tif, SRTM_UTM50N_TRI_Wilson2007.tif</p><p><b>SAFE_topographic_roughness.xlsx</b></p><p>This file only contains metadata for the files below</p><p><b>SRTM_UTM50N_TRI_Riley1999.tif</b></p><p>Description: Riley et al. 1999 Topographic Roughness Index for the SAFE landscape</p><p><b>SRTM_UTM50N_TRI_Wilson2007.tif</b></p><p>Description: Wilson et al. 2007 Topographic Roughness Index for the SAFE landscape</p><p><b>Date range: </b>2010-10-01 to 2020-03-05</p><p><b>Latitudinal extent: </b>4.0223 to 5.9761</p><p><b>Longitudinal extent: </b>116.0242 to 117.9758</p>