Availability of Global and National Scale Land Cover Products and Their Accuracy in Mountainous Areas of Ethiopia: A Review

Preprints.org
Binyam Tesfaw HailuThomas Nauss

Abstract

A large variety of remote sensing-based land use/land cover (LULC) products are currently available on national and global scales. This literature review and in-situ validation study evaluates the suitability of these products for local scale applications in the complex terrain of the Ethiopian mountains. For the review, 146 research papers were analyzed. Most studies (73%) have been published since 2013 and are based on individually computed maps. Not a single study relied on readily available LULC products. Nine readily available LULC products with 20, 30, 300, 500 and 1,000 m spatial resolution have been identified at national and global scales. To complement and extend this body of research, the recent (since 2013) LULC products were validated using 185 ground truth points collected in the Bale Mountains National Park between 1,500 and 4,385 m a.s.l. The results indicate a rather poor overall accuracy (<50%).

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