İstanbul İçin Standart Süreli Gözlenen En Büyük Yağışların Eğilimleri
Abstract
İklim değişkenliği ve değişimi, hidrolojik çevrimin her bir parametresini etkilemektedir. Yağışların şiddet, süre ve tekerrürleri köprüler, menfezler, şehir yağmursuyu drenajlarının tasarımında kullanılan temel bilgidir. Bu çalışmada İstanbul ve civarındaki 7 adet plüviograflı MGİ’de ölçülen standart süreli maksimum yağışların eğilim analizleri yapılmıştır. Veri serileri, iki eşit döneme bölünerek yağış şiddet tekerrür eğrileri oluşturulmuştur. Kartal MGİ haricinde 6 istasyonda (Sarıyer, Kumköy, Florya, Çorlu, Göztepe ve Şile) belirgin artış eğilimleri belirlenmiştir. Bir örnek olarak, Sarıyer meteoroloji istasyonunun 5 saatlik standart süreli 2 yıl tekerrürlü maksimum yağışları ilk dönem ve ikinci dönem hesaplanan bağıl farkları %30 ve Sarıyer’de bulunan Bekar deresinde Q500 taşkın debisindeki %60 artış şeklindedir.
Keywords
References
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Details
Primary Language
Turkish
Subjects
Engineering
Journal Section
Research Article
Publication Date
January 1, 2021
Submission Date
November 16, 2019
Acceptance Date
April 17, 2020
Published in Issue
Year 2021 Volume: 32 Number: 1
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