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Integrating GIS Techniques with AHP for Assessing Land Degradation in the Birim North district, Eastern region, Ghana
  • Aaron Tettey Tetteh
Aaron Tettey Tetteh
University of Energy and Natural Resources

Corresponding Author:[email protected]

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Abstract

Land degradation (LD) is a global canker that is of major concern for the United Nations Convention to Combat Desertification (UNCCD) which has led to a UNCCD target 15.3 of achieving land degradation neutral world by 2030. In order to attain this target, LD needs to be assessed, hence geospatial techniques integrated with analytical hierarchy process (AHP) to assess LD in the Birim North district of the Eastern region of Ghana. The AHP assigned weights to the criterions, and with weighted overlay algorithms in ArcGIS, the land degradation assessment map was generated. The results shown that 28.21% and 38.96 % has experienced no degradation and slight degradation respectively, whilst 24.32 % and 8.51% of the study area experienced medium and high degradation respectively. The spatial distribution of the LD was displayed on a map. The findings of this study would be a stepping stone for researchers, stakeholders and government to implement rehabilitation models to reverse LD in the Birim North district.