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DOI :10.26650/JGEOG2022-1094298   IUP :10.26650/JGEOG2022-1094298    Tam Metin (PDF)

Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018

Dilek Aykırİbrahim AtalayMücahit Çoşkun

Ekstrem sıcaklık olaylarının uzun süreli değişimlerini anlamak, iklim değişikliğinin tespiti ve özelliklerinin anlaşılması için önemlidir. Bununla birlikte şehirleşmeden ne kadar etkinin geldiği açık değildir. Çalışmada Türkiye’de görülen iklim özelliklerini yansıtacak şekilde 1970-2018 yılları arasında verilere sahip 42 istasyon seçilerek istasyon çiftleri oluşturulmuştur. Bu istasyon çiftlerinde seçilen iklim indislerinin sıcak ve soğuk dönemdeki değişimleri,1970-2018 yılları arasını kapsayan rasatları dikkate alınarak incelenmiştir. Bu inceleme için RClimDex programı ve Mann Kendall trend analizi tekniği kullanılmıştır. RClimDex programı 27 adet iklim indisi üretmektir. İndislerden türetilmiş bilgi yalnızca ortalama değerin zaman içinde nasıl değiştiğini değil; aynı zamanda verinin istatistiksel dağılımının nasıl değiştiği konusunda da bilgi içerir. Ayrıca sonuçlar ekstremlerin trendleri hakkında çok önemli bilgiler sağlamaktadır. Çalışmada sıcaklık ile ilgili olan 4 indis seçilerek incelenmiştir. Seçilen istasyonların iklim indislerinin sıcak ve soğuk dönemdeki değişimleri incelendiğinde sıcak dönemdeki değişimin, soğuk döneme göre değişimin daha belirgin olduğu gözlenmiştir. Mann Kendall trend analizine göre incelenen tüm istasyon çiftlerinde Trendlerin çoğu %95 seviyesinde istatistiksel olarak anlamlıdır. Trend analizinin sonuçları istasyonlarda en hızlı artış eğiliminin havadaki nem içeriğinin daha yüksek olduğu Karadeniz, Ege ve Akdeniz kıyı kuşağında yer alan istasyonlarda gerçekleştiğini göstermektedir. Bu durum küresel iklim değişimi ile birlikte atmosferde artan nem içeriğinin oluşturduğu pozitif geri besleme mekanizmasını düşündürmektedir. 

DOI :10.26650/JGEOG2022-1094298   IUP :10.26650/JGEOG2022-1094298    Tam Metin (PDF)

Periodic Changes of Temperature Extremes at Some Selected Stations in Turkiye (1970-2018)

Dilek Aykırİbrahim AtalayMücahit Çoşkun

Understanding the long-term variations of extreme temperature events is important for detecting and understanding the characteristics of climate change. However, it is not clear to what degree urbanization impacts climate change. In the study, station pairs were created by selecting 42 stations that recorded data between 1970-2018 to reflect the climate characteristics seen in Turkey. The changes of the selected climate indices in these station pairs in the hot (April-September) and cold (October-March) periods were examined by taking into account the observations covering the years 1970-2018. This study utilized the RClimDex program and Mann Kendall trend analysis technique. The RClimDex program was used to generate 27 climate indices. The information derived from the indices not only demonstrates how the mean value changes over time, rather, it; also contains information about how the statistical distribution of the data has changed. In addition, the results provide crucial information about the trends of extremes. In the study, 4 indices related to temperature (Diurnal Temperature Range, Cool Nights, Warm Nights, Minimum of Minimum) were selected and examined. When the changes in the climate indices of the selected stations in the hot and cold periods are examined, it is observed that the change in the hot period is more pronounced than the change in the cold period. According to Mann Kendall trend analysis, most of the trends are statistically significant at the 95% level in all station pairs examined. Results of the trend analysis show that the fastest tendency to increase occur in stations located in the Black Sea, Aegean and Mediterranean coastal zones where the moisture content in the air is higher. This finding points to the positive feedback mechanism created by the increased moisture content in atmosphere through global climate change.


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DIŞA AKTAR



APA

Aykır, D., Atalay, İ., & Çoşkun, M. (2022). Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018. Coğrafya Dergisi, 0(45), 69-83. https://doi.org/10.26650/JGEOG2022-1094298


AMA

Aykır D, Atalay İ, Çoşkun M. Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018. Coğrafya Dergisi. 2022;0(45):69-83. https://doi.org/10.26650/JGEOG2022-1094298


ABNT

Aykır, D.; Atalay, İ.; Çoşkun, M. Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018. Coğrafya Dergisi, [Publisher Location], v. 0, n. 45, p. 69-83, 2022.


Chicago: Author-Date Style

Aykır, Dilek, and İbrahim Atalay and Mücahit Çoşkun. 2022. “Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018.” Coğrafya Dergisi 0, no. 45: 69-83. https://doi.org/10.26650/JGEOG2022-1094298


Chicago: Humanities Style

Aykır, Dilek, and İbrahim Atalay and Mücahit Çoşkun. Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018.” Coğrafya Dergisi 0, no. 45 (Mar. 2024): 69-83. https://doi.org/10.26650/JGEOG2022-1094298


Harvard: Australian Style

Aykır, D & Atalay, İ & Çoşkun, M 2022, 'Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018', Coğrafya Dergisi, vol. 0, no. 45, pp. 69-83, viewed 1 Mar. 2024, https://doi.org/10.26650/JGEOG2022-1094298


Harvard: Author-Date Style

Aykır, D. and Atalay, İ. and Çoşkun, M. (2022) ‘Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018’, Coğrafya Dergisi, 0(45), pp. 69-83. https://doi.org/10.26650/JGEOG2022-1094298 (1 Mar. 2024).


MLA

Aykır, Dilek, and İbrahim Atalay and Mücahit Çoşkun. Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018.” Coğrafya Dergisi, vol. 0, no. 45, 2022, pp. 69-83. [Database Container], https://doi.org/10.26650/JGEOG2022-1094298


Vancouver

Aykır D, Atalay İ, Çoşkun M. Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018. Coğrafya Dergisi [Internet]. 1 Mar. 2024 [cited 1 Mar. 2024];0(45):69-83. Available from: https://doi.org/10.26650/JGEOG2022-1094298 doi: 10.26650/JGEOG2022-1094298


ISNAD

Aykır, Dilek - Atalay, İbrahim - Çoşkun, Mücahit. Türkiye’de Seçilen Bazı Istasyonlarda Sıcaklık Ekstremlerinin Dönemsel Değişimleri, 1970-2018”. Coğrafya Dergisi 0/45 (Mar. 2024): 69-83. https://doi.org/10.26650/JGEOG2022-1094298



ZAMAN ÇİZELGESİ


Gönderim28.03.2022
Kabul29.09.2022
Çevrimiçi Yayınlanma30.12.2022

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