EN
National Vulnerability in Wheat's Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey
Abstract
Wheat is critical to Turkey's national agricultural production. While the mechanisms by which climate change affects the wheat's spatial suitability, less is known about high-quality climate datasets for climate change-based estimation studies. Using the high-resolution climate dataset CHELSA and two Shared Socio-economic Pathways (SSP126 and SSP370), I sought insights into the future temperature and precipitation projections' impact on the wheat spatial suitability. I observed that the future spatial suitability of wheat is decreasing by more than 40% for all wheat areas (for rainfed/irrigated croplands and 2010-based wheat harvested areas). Moreover, more than 10% of the areas have low suitability within the areas with availability.
In contrast, in low emission (SSP126) and high emission scenarios (SSP370), the most significant difference is seen in the "best suitability" class. These data demonstrate that the suitability of wheat in 2050 (2041–2070 period) will decrease throughout Turkey while suitable areas will be confined to very narrow areas. Due to growing concerns about wheat and food security, future research is urgently needed. Consequently, it is also seen that climate datasets and Crop Climate Suitability Models (CCSM) play an essential role in the projections for crop spatial suitability.
Keywords
- climate change
- wheat
- spatial suitability
- CHELSA
- climate dataset
- Shared Socio-economic Pathways
- Geographic Information Systems
- Crop Climate Suitability Modelling
- vulnerability
- Turkey
Thanks
The author prepared this study for the National Agriculture Food Union Association's (UTGB) "System Dynamics in Wheat" research.
References
- References Asseng, S., & Pannell, D.J. (2013). Adapting dryland agriculture to climate change: Farming implications and research and development needs in Western Australia, Climatic Change, 118(2): 167–181.
- Aydın, F. (2015). Enerji bitkisi yetiştirilebilecek alanların Coğrafi Bilgi Sistemleri, uzaktan algılama ve Analitik Hiyerarşi Prosesi desteği ile tespiti. (MSc. Dissertation), Ege University, İzmir, Turkey.
- Aydın, F., & Sarptaş, H. (2018). İklim değişikliğinin bitki yetiştiriciliğine etkisi: model bitkiler ile Türkiye durumu. Pamukkale University Journal of Engineering Sciences, 24(3), 512-521. doi: 10.5505/pajes.2017.37880.
- Aydin, F., Erlat, E., & Türkeş, M. (2020). Impact of climate variability on the surface of Lake Tuz (Turkey), 1985–2016. Regional Environmental Change, 20, 68. https://doi.org/10.1007/s10113-020-01656-z.
- Brun, P., Zimmermann, N. E., Hari, C., Pellissier, L., & Karger, D. N. (2022). Global climate-related predictors at kilometer resolution for the past and future. Earth System Science Data, 14, 5573–5603, https://doi.org/10.5194/essd-14-5573-2022.
- CDS (2022). Land cover classification gridded maps from 1992 to present derived from satellite observations. https://cds.climate.copernicus.eu/cdsapp#!/dataset/satellite-land-cover?tab=doc Accessed 5 September 2022.
- CCCS (2021). Product User Guide and Specification: ICDR Land Cover 2016-2020. ECMWF Copernıcus Report.
- CHELSA-climate (2022). Future (CMIP6). https://chelsa-climate.org/cmip6/ Accessed 20 September 2022.
Details
Primary Language
English
Subjects
Engineering
Journal Section
Research Article
Authors
Early Pub Date
December 16, 2025
Publication Date
January 24, 2023
Submission Date
December 23, 2022
Acceptance Date
January 24, 2023
Published in Issue
Year 2025 Number: Advanced Online Publication
APA
Aydın-kandemir, F. (2025). National Vulnerability in Wheat’s Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey. International Journal of Water Management and Diplomacy, Advanced Online Publication, 29-56. https://izlik.org/JA83CG45WH
AMA
1.Aydın-kandemir F. National Vulnerability in Wheat’s Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey. IJWMD. 2025;(Advanced Online Publication):29-56. https://izlik.org/JA83CG45WH
Chicago
Aydın-kandemir, Fulya. 2025. “National Vulnerability in Wheat’s Future: GIS-Based Crop Climate Suitability Analysis by CHELSA Climate Dataset for Wheat (Triticum Aestivum L.) in Turkey”. International Journal of Water Management and Diplomacy, no. Advanced Online Publication: 29-56. https://izlik.org/JA83CG45WH.
EndNote
Aydın-kandemir F (December 1, 2025) National Vulnerability in Wheat’s Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey. International Journal of Water Management and Diplomacy Advanced Online Publication 29–56.
IEEE
[1]F. Aydın-kandemir, “National Vulnerability in Wheat’s Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey”, IJWMD, no. Advanced Online Publication, pp. 29–56, Dec. 2025, [Online]. Available: https://izlik.org/JA83CG45WH
ISNAD
Aydın-kandemir, Fulya. “National Vulnerability in Wheat’s Future: GIS-Based Crop Climate Suitability Analysis by CHELSA Climate Dataset for Wheat (Triticum Aestivum L.) in Turkey”. International Journal of Water Management and Diplomacy. Advanced Online Publication (December 1, 2025): 29-56. https://izlik.org/JA83CG45WH.
JAMA
1.Aydın-kandemir F. National Vulnerability in Wheat’s Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey. IJWMD. 2025;:29–56.
MLA
Aydın-kandemir, Fulya. “National Vulnerability in Wheat’s Future: GIS-Based Crop Climate Suitability Analysis by CHELSA Climate Dataset for Wheat (Triticum Aestivum L.) in Turkey”. International Journal of Water Management and Diplomacy, no. Advanced Online Publication, Dec. 2025, pp. 29-56, https://izlik.org/JA83CG45WH.
Vancouver
1.Fulya Aydın-kandemir. National Vulnerability in Wheat’s Future: GIS-based Crop Climate Suitability Analysis by CHELSA Climate dataset for Wheat (Triticum aestivum L.) in Turkey. IJWMD [Internet]. 2025 Dec. 1;(Advanced Online Publication):29-56. Available from: https://izlik.org/JA83CG45WH
.png)
.png)