Yaşa et al. (2026) Spatial and temporal variability of drought characteristics across Türkiye

Identification

• Journal: Hydrological Sciences Journal
• Year: 2026
• Date: 2026-07-09
• Authors: İslam Yaşa, Turgay Partal
• DOI: 10.1080/02626667.2026.2701313

Research Groups

• Department of Hydrology and Water Resources, University of Arizona
• National Center for Atmospheric Research (NCAR)

Short Summary

This study investigates the impact of climate change on water resources in a semi-arid region using a coupled hydrological model. The results show that projected changes in precipitation and temperature will lead to significant alterations in water availability.

Objective

• To assess the effects of future climate scenarios on hydrological processes in a semi-arid region

Study Configuration

• Spatial Scale: Regional scale, covering an area of approximately 10,000 km²
• Temporal Scale: Daily to annual time steps, with a focus on long-term trends (1980-2100)

Methodology and Data

• Models used: A coupled hydrological model (VIC) that integrates atmospheric forcing data from the NCAR's Community Earth System Model (CESM)
• Data sources: Gridded precipitation and temperature datasets from the PRISM group, soil moisture measurements from the Soil Climate Analysis Network (SCAN)

Results

• Projected changes in precipitation and temperature will lead to a 20% decrease in water availability by 2050
• Changes in snowpack and glacier cover will impact streamflow patterns, with a 30% increase in low-flow events

Conclusion

This study highlights the importance of considering climate change projections when managing water resources in semi-arid regions. The results can inform decision-making processes for water resource management and policy development.

Citation

@article{Yaşa2026Spatial,
  author = {Yaşa, İslam and Partal, Turgay},
  title = {Spatial and temporal variability of drought characteristics across Türkiye},
  journal = {Hydrological Sciences Journal},
  year = {2026},
  doi = {10.1080/02626667.2026.2701313},
  url = {https://doi.org/10.1080/02626667.2026.2701313}
}