Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI)
Yıl: 2019 Cilt: 9 Sayı: 2 Sayfa Aralığı: 167 - 176 Metin Dili: İngilizce DOI: 10.7212/zkufbd.v9i2.1224 İndeks Tarihi: 27-05-2020
Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI)
Öz: Drought is a natural and reversible feature of climate change and occurs almost in all climatic regimes, and its effects are not restrictedsimply to arid and semi-arid areas. Drought can also occur in areas with high precipitation in each season of year and cause considerabledamages to agricultural and industrial sectors and to cities. Located at subtropical region and having semi-arid climate, Lake Urmiabasin experiences drought frequently. Since some cultivations in this region are made in the form of rainfed farming, sudden decreasedrain will leave many damages.In the present study, drought of Lake Urmia basin was investigated according to the total monthly precipitation data obtained fromsynoptic stations in the area, using Standardized Precipitation Index (SPI) in four time scales (3, 6, 12, and 24 months). The results show that short-term scales response quickly to rainfall changes, while drought is continued more in long-term scales. That’s why drought frequencies in long-term series (scales) minimize. In addition, by comparing the time scales, it is found that a region may be in wet conditions in a time scale, while be in dry conditions in another time scale simultaneously.
Anahtar Kelime: İran URMIA Gölü Havzası’nda Standart Yağış İndeksi Metodu ile Kuraklık Analizi
Öz: Kuraklık, iklim değişikliğinin doğal ve tersine çevrilebilir bir sonucudur ve tüm iklim rejimlerinde görülebilir, kuraklığın etkileri sadece kurak ve yarı kurak bölgelerle sınırlı değildir. Yılın her sezonunda yüksek yağış alan bölgelerde de oluşabilen kuraklık, tarım, sanayi sektörlerine ve şehirlere önemli zararlara neden olmaktadır. Astropikal bir bölgede yer alan ve yarı kurak bir iklime sahip olan Urmia Gölü Havzası, sıklıkla kuraklıkla karşı karşıya kalmaktadır. Bu bölgelerde yağmurla beslenen sulu tarım yapıldığından yağışlardaki ani düşüşler pek çok zarara yol açar. Bu çalışmada Urmia Gölü Havzası’nda sinoptik istasyonlardan elde edilen aylık yağış verileri kullanılarak 4 farklı zaman aralığında (3, 6, 12 ve 24 ay) standart yağış indeksi ile kuraklık analizi gerçekleştirilmiştir. Kısa zaman aralıklarında SPI sonuçlarının yağış değişikliklerine daha hızlı cevap verdiği, uzun zaman aralıklarında ise kuraklığın devam ettiği sonuçlardan anlaşılmaktadır. Bu yüzdendir ki uzun zaman ölçeklerinde kuraklık frekans değerleri küçüktür. İlaveten zaman ölçekleri bazında karşılaştırdığında bir bölge aynı anda hem yağışlı hem de kurak olabilir.
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | ÜLKE KESKİN A, Boustani Hezarani A (2019). Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). , 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| Chicago | ÜLKE KESKİN Aslı,Boustani Hezarani Alyar Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). (2019): 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| MLA | ÜLKE KESKİN Aslı,Boustani Hezarani Alyar Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). , 2019, ss.167 - 176. 10.7212/zkufbd.v9i2.1224 |
| AMA | ÜLKE KESKİN A,Boustani Hezarani A Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). . 2019; 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| Vancouver | ÜLKE KESKİN A,Boustani Hezarani A Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). . 2019; 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| IEEE | ÜLKE KESKİN A,Boustani Hezarani A "Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI)." , ss.167 - 176, 2019. 10.7212/zkufbd.v9i2.1224 |
| ISNAD | ÜLKE KESKİN, Aslı - Boustani Hezarani, Alyar. "Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI)". (2019), 167-176. https://doi.org/10.7212/zkufbd.v9i2.1224 |
| APA | ÜLKE KESKİN A, Boustani Hezarani A (2019). Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). Karaelmas Fen ve Mühendislik Dergisi, 9(2), 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| Chicago | ÜLKE KESKİN Aslı,Boustani Hezarani Alyar Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). Karaelmas Fen ve Mühendislik Dergisi 9, no.2 (2019): 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| MLA | ÜLKE KESKİN Aslı,Boustani Hezarani Alyar Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). Karaelmas Fen ve Mühendislik Dergisi, vol.9, no.2, 2019, ss.167 - 176. 10.7212/zkufbd.v9i2.1224 |
| AMA | ÜLKE KESKİN A,Boustani Hezarani A Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). Karaelmas Fen ve Mühendislik Dergisi. 2019; 9(2): 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| Vancouver | ÜLKE KESKİN A,Boustani Hezarani A Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI). Karaelmas Fen ve Mühendislik Dergisi. 2019; 9(2): 167 - 176. 10.7212/zkufbd.v9i2.1224 |
| IEEE | ÜLKE KESKİN A,Boustani Hezarani A "Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI)." Karaelmas Fen ve Mühendislik Dergisi, 9, ss.167 - 176, 2019. 10.7212/zkufbd.v9i2.1224 |
| ISNAD | ÜLKE KESKİN, Aslı - Boustani Hezarani, Alyar. "Analysis of Basin Drought for URMIA Lake in Iran with Standardized Precipitation Index Method (SPI)". Karaelmas Fen ve Mühendislik Dergisi 9/2 (2019), 167-176. https://doi.org/10.7212/zkufbd.v9i2.1224 |
