Batı Akdeniz Bölgesi Taşkın Tahminlerinde Homojenlik İrdelemesi

Yıl 2011, Cilt: 22 Sayı: 109, 5587 - 5611, 01.02.2011

Betül Saf

Öz

Su kaynaklarının tasarım ve yönetiminde güvenilir taşkın tahminleri yapabilmek amacıyla
kullanılan bölgesel taşkın frekans analizindeki temel faktör homojen bölgenin
tanımlanmasıdır. Bu çalışmada Batı Akdeniz havzasının yıllık maksimum taşkın serilerinin
bölgesel taşkın frekans analizi Dalrymple ve L-momentler homojenlik yaklaşımları
kullanılarak yapılmıştır. Bölge; Antalya, Aşağı-Batı Akdeniz ve Yukarı-Batı Akdeniz
olmak üzere üç homojen alt bölgeye bölünmüştür. Homojenlik testlerine bağlı olarak
homojen bölgeler belirlendikten sonra akım gözlem istasyonlarına ait çeşitli yineleme
aralıklarına sahip tasarım taşkın değerleri hesaplanarak sonuçlar karşılaştırılmıştır.
Homojenlik testlerine göre çeşitli yineleme aralıkları için elde edilen tasarım taşkın
değerleri arasındaki farkın, küçük yineleme aralıklarında önemsiz olduğu büyük yineleme
aralıklarında özellikle değişkenlik ve çarpıklık katsayılarının yüksek olduğu istasyonlarda
ise artış gösterdiği sonucu elde edilmiştir.

Anahtar Kelimeler

Homojenlik, bölgesel analiz, taşkın, tasarım taşkın tahminleri

Kaynakça

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