Akademik Veri Yönetim Sistemi
The 13th World Congress of the European Water Resources Association (EWRA) on Water Resources and Environment, "New challenges in understanding and managing water-related risks in a changing environment", Palermo, İtalya, 24 - 28 Haziran 2025, cilt.1, ss.107-108, (Özet Bildiri)
Droughts are among the most severe natural hazards affecting water resources, agriculture, and socioeconomic
stability, particularly in semi-arid and arid regions (Willhite, Svoboda, and Hayes 2007). Drought
monitoring and analyses developed by researchers have increased our understanding of droughts and
resilience of the drought-stricken communities. Traditional drought indices primarily focus on
meteorological and hydrological parameters; however, the newly developed Survivability from Droughts
Index (SDI) provides an integrative perspective by assessing the ability of a system to endure and recover
from drought events (Gunacti, 2024). This study aims to evaluate the applicability and robustness of the SDI
by comparing it with the commonly used EO-based indicators such as the Normalized Difference Vegetation
Index (NDVI), Normalized Difference Moisture Index (NDMI), and Land Use map of the related period
(Horler and Ahern 1986; Mishra and Sarkar 2020). The study focuses on the Gediz River Basin located in the
West of Turkey, an agriculture-intensive basin within the boundaries of the Mediterranean region where
the impacts of anthropogenic influences and climate change experienced severely. By juxtaposing SDI and
mentioned EO-based indicators, identifying drought-prone regions within the Gediz Basin is aimed, thereby
informing targeted water resource management strategies.