The state of the trails and their immediate environment were assessed using field data from 2001. This was compared with two SPOT-5 satellite images from 2002 which were analyzed with Normalized Difference Vegetaion Index (NDVI).
Bornar voru saman annars vegar umhverfismælingar frá 2001 um ástand göngustíga og þeirra nánasta umhverfis, og hins vegar niðurstöður Normalized difference vegetaion index (NDVI) greiningar á tveim SPOT-5 gervitunglamyndum frá 2002.