Author(s): Mehmet Ali CELIK
Drought is an event which affects a wide range from water resources to agriculture and vegetation. Drought is frequently experienced in Turkey and affects large areas. In this research, we studied the Seyhan Basin, which is one of the important water basins in Turkey. Previous studies show that the Mediterranean Region including the Seyhan Basin has been exposed to sever droughts in recent years. In this context, it is of great importance to monitor drought in the Seyhan Basin at regular intervals and study the impact of drought in this area on different environments. In this study, we examined the impact of drought in the year 2014, which affect the entire Seyhan Basin, on photosynthesis activity and distribution of vegetation. 2000-2014 EVI data from the MODIS TERRA platform were used for this purpose. Lastly, EVI data were classified according to the Equal Interval method. In this way, vegetation areas with high and low photosynthesis activity were detected. The findings obtained show that both agricultural and vegetation areas in the Seyhan Basin were significantly affected by drought conditions in 2014. Although drought conditions were present throughout the year in 2014, the vegetation was affected more severely by these conditions in spring and summer months. Results show that adverse affects of drought conditions on vegetation are particularly evident during the growth period.
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