Araştırma Makalesi

Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data

Sayı: Advanced Online Publication Erken Görünüm Tarihi: 23 Ekim 2026
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Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data

Öz

This study evaluates vegetation dynamics and drought conditions in the semi-arid agricultural landscapes of Kaman (Türkiye) using integrated remote sensing data. NDVI and NDMI derived from Landsat and Sentinel-2, together with land surface temperature (LST) and Sentinel-1 soil moisture, were analyzed to assess vegetation–environment interactions. NDVI time-series analysis revealed a clear seasonal phenological cycle, with peak vegetation growth in spring and a marked decline during summer due to increased temperature and reduced moisture availability. NDMI showed higher sensitivity to vegetation water content and effectively captured summer drought stress, particularly during July–August. A strong positive relationship between NDVI and NDMI indicates the importance of vegetation moisture, while negative relationships with LST highlight the limiting role of thermal stress. Although soil moisture showed a generally positive relationship with vegetation indices, its statistical influence was relatively weak due to spatial and temporal variability. Regression results suggest that vegetation dynamics are controlled by multiple interacting factors rather than a single variable. Overall, the integration of NDVI, NDMI, LST, and soil moisture provides a robust framework for monitoring drought and vegetation water stress in semi-arid ecosystems.

Anahtar Kelimeler

Destekleyen Kurum

Kırşehir Ahi Evran University BAP unit

Proje Numarası

FEF.A3.25.004

Etik Beyan

Since it does not involve personal property or information, an ethics committee was not deemed necessary.

Teşekkür

I would like to thank Kırşehir Ahi Evran University BAP unit for their contribution to the project.

Kaynakça

  1. Abebe, T., & Gebeyehu, Z. (2024). Spatio-temporal assessment of agricultural drought using remote sensing and ground-based data indices in the Northern Ethiopian Highland. European Journal of Remote Sensing, 57, 101700.
  2. Altese, E., Bolognesi, S. F., Mancini, M., & Troch, P. A. (2021). Soil moisture retrieval from SAR data and its integration with optical indices (NDMI) for agricultural drought monitoring. Remote Sensing, 13(5), 894.
  3. Altıkat, A. (2025). Satellite-based monitoring of vegetation and soil moisture indices for stress detection and irrigation planning in a semi-arid apple orchard. Tarım Makinaları Bilimi Dergisi, 21(2), 139–161.
  4. Anderson, M. C., Norman, J. M., & Kustas, W. P. (2020). Remote sensing of land surface temperature for drought monitoring and evapotranspiration analysis. Agricultural and Forest Meteorology, 292–293, 108125.
  5. Attarzadeh, R., Amini, J., & Notarnicola, C. (2021). Evaluation of Sentinel-1 soil moisture products over semi-arid regions. Journal of Hydrology, 603, 127104.
  6. Bousbih, E., Bianchi, R., Mancini, M., & Troch, P. (2021). Integration of SAR soil moisture and optical vegetation indices for drought assessment. Remote Sensing of Environment, 256, 112318.
  7. Bousbih, S., Zribi, M., & Baghdadi, N. (2022a). Soil moisture estimation using Sentinel-1 SAR data in agricultural areas. Remote Sensing, 14, 2473.
  8. Bousbih, S., Zribi, M., Pelletier, C., & Baghdadi, N. (2022b). Soil moisture retrieval using Sentinel-1 SAR data over agricultural areas. Remote Sensing, 14(2), 415.

Ayrıntılar

Birincil Dil

İngilizce

Konular

Bitki Biyoteknolojisi

Bölüm

Araştırma Makalesi

Erken Görünüm Tarihi

23 Ekim 2026

Yayımlanma Tarihi

-

Gönderilme Tarihi

17 Aralık 2025

Kabul Tarihi

26 Nisan 2026

Yayımlandığı Sayı

Yıl 2026 Sayı: Advanced Online Publication

Kaynak Göster

APA
Günek, H. (2026). Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, Advanced Online Publication. https://doi.org/10.18016/ksutarimdoga.vi.1843752
AMA
1.Günek H. Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 2026;(Advanced Online Publication). doi:10.18016/ksutarimdoga.vi.1843752
Chicago
Günek, Halil. 2026. “Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, sy Advanced Online Publication. https://doi.org/10.18016/ksutarimdoga.vi.1843752.
EndNote
Günek H (01 Ekim 2026) Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi Advanced Online Publication
IEEE
[1]H. Günek, “Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data”, Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, sy Advanced Online Publication, Eki. 2026, doi: 10.18016/ksutarimdoga.vi.1843752.
ISNAD
Günek, Halil. “Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. Advanced Online Publication (01 Ekim 2026). https://doi.org/10.18016/ksutarimdoga.vi.1843752.
JAMA
1.Günek H. Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 2026. doi:10.18016/ksutarimdoga.vi.1843752.
MLA
Günek, Halil. “Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data”. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi, sy Advanced Online Publication, Ekim 2026, doi:10.18016/ksutarimdoga.vi.1843752.
Vancouver
1.Halil Günek. Drought and Water Stress Analysis in the Kaman Region (Kırşehir, Türkiye) Using Landsat 8/9 and Sentinel-2A Data. Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi. 01 Ekim 2026;(Advanced Online Publication). doi:10.18016/ksutarimdoga.vi.1843752

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