Asbeihi, A.M.S. and Juma Al-Tikriti, J.G.S. 2020. Monitoring the Risks of Desertification in the Abbasid District for the Period (1990-2018) Using some Spectral Indicators. Journal of Tikrit University for Humanities. 27, 7 (Sep. 2020), 189–213. DOI:https://doi.org/10.25130/jtuh.27.7.2020.10.