Türkiye’de karayolu taşımacılığından kaynaklanan hava kirliliğinin ekonomik maliyetinin tahmini

Yıl 2024, , 156 - 168, 15.01.2024

Eda Ustaoglu

https://doi.org/10.28948/ngumuh.1336117

Öz

Hava kirliliğinin sosyo-ekonomik ve çevresel etkilerinin değerlendirilmesi, eylem önceliklerini belirlemek için bir temel oluşturan kirlilik kontrol stratejilerinin maliyet-fayda analizi için çok önemlidir. Bu makale, hava kalitesi modelleme, mühendislik ve ekonomiyi birleştiren entegre bir değerlendirme metodolojisi kullanarak karayolu taşımacılığıyla ilgili hava kirleticilerinin neden olduğu toplam dışsal maliyetlerin tahminine odaklanmaktadır. Karayolu taşımacılığından kaynaklanan emisyonların hesaplanmasında emisyon faktörleri ve ulaşım ağı özellikleri kullanılmış olup uluslararası örnek çalışmalardan uyarlanan ekonomik değerleme yaklaşımları takip edilerek Türkiye’deki hava kirliliğinin ekonomik maliyetinin hesaplanmasında kullanılmıştır. Sonuçlar, 2018 yılında Türkiye’de hava kirliliğinin toplam dışsal maliyetinin CO emisyonları için hesaplanan 37,500 avro ile NOx emisyonları için üst sınır olarak hesaplanan 2,686 milyon avro arasında değiştiğini gösterdi. CO2 emisyonlarının sosyal maliyetleri ile ilgili olarak, değerler 31 milyon avro ile 1,427 milyon avro arasında değişmektedir. Bunlardan ilki düşük değerli tahmini, ikincisi ise yüksek değerli tahmini temsil etmektedir. Bulgular karayolu taşımacılığından kaynaklanan emisyonların çevre ve toplum üzerindeki etkisinin Türkiye’de önemli olabileceğini göstermektedir. Bu nedenle, ulaşım emisyonlarını azaltmak ve sosyo-ekonomik refahı sürdürmek için bazı düzenlemeler gereklidir.

Anahtar Kelimeler

Karayolu taşımacılığı, Hava kirleticiler, Ekonomik değerleme, Dış maliyetler, Türkiye

Proje Numarası

118C002

Estimation of economic costs of air pollution from road vehicle transportation in Turkey

Öz

Valuation of the economic, social and environmental impacts of air pollution has become crucial for the benefit-cost analysis of pollution restriction strategies, which serve as a foundation for establishing priorities for action. This paper focuses on the estimation of total external costs caused by road transport-related air pollutants using an integrated evaluation methodology combining air quality modelling, engineering science and economics. Emission factors and transport network characteristics were used to compute emissions from the road transport that is followed by economic valuation approaches adopted from international case studies and used for calculating the economic costs of air pollution in Türkiye. The results showed that total external costs of air pollution in Türkiye in 2018 ranged between 37,500 euros which is computed for CO emissions and 2,686 million euros computed as an upper limit for NOx emissions. Regarding the social costs of CO2 emissions, the values range between 31 million euro and 1,427 million euro, the former represents the low value estimate while the latter is the high value estimate. The findings indicate that the impact of emissions from road transport on environment and society can be substantial in Türkiye. Therefore, some regulations are necessary to reduce transport emissions and to sustain socio-economic welfare.

Anahtar Kelimeler

Road transport, Air pollutants, Economic valuation, External costs, Turkey

Destekleyen Kurum

TUBİTAK

Proje Numarası

118C002

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