Nevşehir İlinde Kuraklık Analizi ve Kuraklığın Tarımsal Ürün Verimi Üzerine Etkileri
Year 2022,
Volume: 11 Issue: 2, 16 - 30, 08.12.2022
Kahraman Oğuz
,
Gülten Çamalan
,
Muhammet Ali Pekin
Abstract
Türkiye, iklim değişikliğine karşı en hassas bölgelerden birisidir. İklim değişikliğinin tetiklediği kuraklık olayları bölgede sıklıkla meydana gelmekte ve önemli çevre sorunlarına neden olmaktadır. Tarım sektörü ve mahsul verimi olumsuz etkilenen alanlar arasındadır. Bu çalışmada, Nevşehir Merkez ve Ürgüp istasyonları kullanılarak SPI ve SPEI yöntemleri ile meteorolojik ve hidrolojik kuraklık durumu ve yağış eğilimi incelenmiştir. Ayrıca bölgede uzun süreli kuvvetli kuraklıkların şiddeti ve süresi araştırılmıştır. Kuraklık olaylarının en önemli olumsuz etkileri tarım sektöründe bitkisel üretim üzerinde görülmektedir. Bu etkiyi analiz etmek için bölgede yetiştirilen tarım ürünlerinin verim değerleri Türkiye İstatistik Kurumu'ndan (TÜİK) alınmış ve Z-Skor yöntemi ile standardize edilmiştir. Ardından kuraklık olaylarının bölgede yetiştirilen tarım ürünlerinin verimi üzerine etkisi incelenmiştir.
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Drought Analysis and Impact of Drought on Crop Yield in Nevşehir City
Year 2022,
Volume: 11 Issue: 2, 16 - 30, 08.12.2022
Kahraman Oğuz
,
Gülten Çamalan
,
Muhammet Ali Pekin
Abstract
Turkey is one of the most sensitive regions to climate change. Drought events triggered by climate change occur frequently in the region and cause important environmental problems. The agricultural sector and crop yield are among the areas that are adversely affected. In this study, meteorological and hydrological drought situation and precipitation trend is studied with SPI and SPEI methods by using Nevşehir Center and Ürgüp stations. Besides, the severity and duration of long-lasting strong droughts in the region are studied. The most important negative effects of drought events are seen in the agricultural sector on crop production. In order to analyze this effect, the yield values of agricultural products grown in the region were obtained from Turkish Statistical Institute (TUIK) and standardized with Z-Score method. Afterwards, the impact of drought events on the yield of agricultural products grown in the region are examined
References
- İrcan M. R., Duman N., “Drought Analysis of the Şanlıurfa Province Using the Standardized Precipitation Index (SPI) Method” Journal of geography, 42, 1-18, 2021.
- Boyer J. S., “Plant Productivity and Environment Potential for Increasing Crop Plant Productivity, Genotypic Selection” Science, 218(4571), 443-448, 1982.
- Dietz K. J., Zörb C., Geilfus C. M., “Drought and crop yield” Plant Biology, 23(6), 881-893, 2021.
- Ray R. L., Fares A., Risch E., “Effects of Drought on Crop Production and Cropping Areas in Texas” Agricultural & Environmental Letters, 3(1), 1-5, 2018.
- Potopová V., Boroneant C., Boincean C., “Impact of agricultural drought on main crop yields in the Republic of Moldova” International Journal of Climatology, 36(4), 2063-2082, 2015.
- Boubacar I., “The Effects of Drought on Crop Yields and Yield Variability in Sahel” Southern Agricultural Economics Association Annual Meeting, 6-9 February, Orlando, FL, USA, 2010.
- Matiu M., Ankerst D. P., Menzel A., “Interactions between temperature and drought in global and regional crop yield variability during 1961-2014” PLoS ONE, 12(5), e0178339, 2017.
- Roy R. N. , Kundu S., Kumar, R. S., “The impacts and evidence of Australian droughts on agricultural crops and drought related policy issues--A review article” International Journal of Agricultural Technology, 17(3), 1061-1076, 2021.
- Lesk C., Rowhani P., Ramankutty N., “Influence of extreme weather disasters on global crop production” Nature, 529, 84–87, 2016.
- Hendrawan V. S. A., Kim W., Touge Y., Ke S., Komori D., “A global-scale relationship between crop yield anomaly and multiscalar drought index based on multiple precipitation data” Environmental Research Letters, 17(1), 014037, 2022.
- Nevşehir İl Özel İdaresi Yöremizi Tanıyalım. http://www.nevsehirozelidare.gov.tr/yoremizi-taniyalim. Data accessed August 1, 2022a.
- Meteoroloji Genel Müdürlüğü Resmi İstatistikler. https://www.mgm.gov.tr/veridegerlendirme/il-ve-ilceler-istatistik.aspx?m=NEVSEHIR. Data accessed August 5, 2022b.
- McKee T. B., Doesken N. J., and Kleist J., “The relationship of drought frequency and duration of time scales” Eighth Conference on Applied Climatology, American Meteorological Society, 17-23 Jan, Abstract Book, 179-186 s, Anaheim CA, 1993.
- Oğuz K, Pekin M. A., Çamalan G., “Drought Analysis of Muğla City for 1960-2018 Period” Journal of Natural Hazards and Environment, 7(1), 89-100, 2021.
- Kermen Ç., “Determination of The Relationship Between Meteorological and Hydrological Drought in Küçük Menderes Basın” Dokuz Eylul University, Graduate School of Natural and Applied Sciences, Master Thesis, Izmir, Turkey, 2019.
- Çamalan G., Akgündüz A. S., Ayvacı H., Çetin S., Coşkun M., “Turkey-wide drought change and trend projections according to SPEI index” IV. Turkey Climate Change Congress, 5-7 July, Istanbul, Turkey, 2017.
- Meteoroloji Genel Müdürlüğü İklim Sınıflandırması Nevşehir. https://www.mgm.gov.tr/iklim/iklim-siniflandirmalari.aspx?m=NEVSEHIR. Data accessed August 10, 2022c.
- Çamalan G., Akgündüz A. S., Çetin S., Arabacı H., “Analysis of Drought Events in Turkey with SPEI Drought Index” 10. National Hydrology Congress, 9-12 October, Muğla, Turkey, 2019.