GIS Supported Analysis of Environmental Impact Assessment in Dam Projects: Pamukluk Dam Example

Coğrafi Bilgi Sisteminin (CBS) baraj projelerinin Çevresel Etki Değerlendirmesine (ÇED) uygulanması araştırılmıştır. İlgili haritaların sayısallaştırılmasından elde edilen verileri kullanarak, ÇED çalışmalarında kullanılmak üzere Mekansal Etki Değerlendirmesi Metodu uygulanmıştır. Bu maksatla, baraj rezervuar maksimum su seviyesine göre belirlenen mutlak, kısa, orta ve uzun mesafeli koruma bölgeleri ve sulama alanları altında kalan alanlar için çevresel etki endeksleri hesaplanmıştır. Hesaplanan çevresel etki endeksleri sırasıyla -1,5, 0,73, -1,81, -0,22, 0,96 ve 1,22 olarak elde edilmiştir. Çevresel etki değerlendirme sonuçları, en fazla etkilenen alanın kısa mesafeli koruma bölgesi olduğunu göstermiştir. Bu durumun nedeni, bu alandaki nüfus yoğunluğunun varlığı ile açıklanabilir

Baraj Projelerinin Çevresel Etki Değerlendirilmesinin CBS Destekli Analizi: Pamukluk Barajı Örneği

Application of Geographical Information System (GIS) to Environmental Impact Assessment (EIA) of dam projects was investigated. By using data obtained from digitizing of related maps, the Spatial Impact Assessment Method (SIAM) was applied in order to be utilized in EIA studies. For this pupose, environmental impact indexes were calculated for the study areas, absolute, short, intermediary and extended protection zones determined according to the maximum water level of dam reservoir and irrigation areas. Calculated environmental impact indexes were -1.5, 0.73, -1.81, -0.22, 0.96 and 1.22, respectively. Environmental impact assessment results showed that the most affected area was found to be short protection zone. The reason of this condition is able to explain as existing of population density in this area

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