Spatial policy support system for examining hydrological baseline and impacts of scenaris for climate, land use change and soil and water management interventions, including conservation, at scales from local (1ha resolution) to national (1km resolution). Focuses on water qunatity, quality and regulation with full water balance including snow and ice, fog, wind driven rain, evapotranspiration, infiltration and runoff. Applicable globally with supplied datasets but user can upload their own, if desired. Provides a hydrological baseline as statistics and maps and analyses impacts of scenarios and interventions. Used to better understand impact of nature of water provision.