Clustering of Basins in Northern Cyprus Using Morphometric Parameters

Öz

The classification of hydrologically similar basins is essential in transferring information from gauged basins to ungauged basins. In this study, the basins in Northern Cyprus were classified into five different clusters with the hybrid hierarchical k-means clustering method, taking into account some basic, linear, areal, and relief morphometric basin characteristics. With these morphometric parameters obtained using geographic information systems (GIS), the hydrological and morphological characteristics of the basins and the formed basin clusters were examined in detail. According to the results, it has been determined that the main stream branches in most of the basins are composed of medium streams. Only the basins in Cluster 1 and some in Cluster 4 include streams that can be defined as rivers. It has been determined that most of the basins have a well-developed drainage network and low drainage densities. In addition, it has been determined that the basins in Clusters 1 and 3 are more prone to natural disasters, such as floods, with their high basin relief features.

Anahtar Kelimeler

• Northern Cyprus
• morphometric parameters
• geographic information systems
• hybrid hierarchical k-means clustering method

Kuzey Kıbrıs’taki Havzaların Morfometrik Parametreler Kullanılarak Kümelenmesi

Öz

Hidrolojik açıdan birbirine benzer havzaların sınıflandırılması özellikle bilginin ölçüm yapılmış havzalardan ölçüm yapılmamış havzalara taşınması açısından önemlidir. Bu çalışmada Kuzey Kıbrıs’ta yer alan havzalar bir takım temel, çizgisel, alansal ve rölyef morfometrik havza özellikleri göz önüne alınarak hibrid hiyerarşik k-ortalamalar kümeleme yöntemi ile beş farklı kümede sınıflandırılmışlardır. Coğrafi bilgi sistemleri (CBS) kullanılarak elde edilen bu morfometrik parametreler ile havzaların ve oluşturulan havza kümelerinin hidrolojik ve morfolojik özellikleri detaylı bir şekilde incelenmiştir. Elde edilen sonuçlara göre havzaların büyük çoğunluğunda ana akarsu kollarının orta dereceli akarsulardan oluştuğu ve sadece Küme 1 içerisinde yer alan havzalar ile bazı Küme 4 havzalarının nehir olarak tanımlanabilecek ana akarsu kolları olduğu belirlenmiştir. Havzaların büyük çoğunluğunda ise iyi gelişmiş drenaj ağı ile düşük drenaj yoğunluklarının olduğu saptanmıştır. Ayrıca Küme 1 ve 3 içerisinde yer alan havzaların yüksek havza rölyef özellikleri ile taşkınlar gibi doğal afetlere karşı daha yatkın oldukları belirlenmiştir.

Anahtar Kelimeler

• Kuzey Kıbrıs
• morfometrik parametreler
• coğrafi bilgi sistemleri
• hibrid hiyerarşik k-ortalamalar kümeleme yöntemi

Kaynakça

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