#gis #spatial #mapping #climatechange #hydrologicalmodeling #semiarid #impacts #water #hydrology #environmental #africa #niger #niamey #model #modeling #urban #Watershed #city #watersecurity #watermanagement #waterresources #westafrica #hydrogeosphere #climatemodel #rcm #rainfall #precipitation #Environment #waterconservation #groundwater #groundwatermodeling #gischat