On the Changing Snow Contribution to Runoff Across Turkiye

Contribution of snowfall to runoff is especially important in snow-dominated regions where hydrological processes are mostly influenced by snowmelt. In this study, the contribution Turkey for last 21 years was examined light observed data and model results globally provided NASA. The snow dominant twenty-one were revealed, ratio spatially averaged maximum water equivalent (Rsr) values, an indicator showing snowmelt runoff, calculated two separate periods (2000-2010, 2012-2022). These Rsr values compared across see if they decreasing regions. According analysis, it concluded that all except Aras Çoruh basins. decreased up 50 percent 11-year period with high snowfall, such as upper Euphrates basin.