Due to the preceding vulnerability of surface water resources in Sierra Leone, there is a growing concern about it Availability and sustainability. Among many of the factors leading to the vulnerability are population growth, pollution, deforestation, catchment encroachment, unsustainable land uses, climate change etc. The study focuses on the use of Remote Sensing and GIS for the protection and utilization of surface water, thereby building a model for ecological stressors. It is cascaded into coarse and fine scale research studies. The coarse-scale study looks at the country level (Sierra...