Spatial and Temporal Analysis of Tropospheric Nitrogen Dioxide (NO2) in COVID-19 Pandemic: Adana-Mersin Region

Yıl 2022, Cilt: 27 Sayı: 3, 581 - 594, 25.12.2022

Müge Ünal Çilek

https://doi.org/10.53433/yyufbed.1119418

Öz

Air pollution is one of the vital problems for the sustainability of cities and public health. The change in human/industrial activities with COVID-19 has enabled air pollution to be observed. This study examines the spatial/temporal relationship of local air quality/air pollution through relatively high-resolution satellite images covering the COVID-19 period in Adana-Mersin cities. For this purpose, 4 x 7 km spatial resolution data on tropospheric nitrogen dioxide (NO2) concentration from the Sentinel 5P were analyzed between January 2019 to January 2022. As a result of the study, industrial and commercial units have the highest NO2 concentration, while the continuous urban area, highways, and related areas are higher value areas. In addition, while 2020 had the lowest values in the classes within the urban areas, 2021 had the highest concentration in the discontinuous urban areas and highway classes. This study also showed the capacity of Sentinel-5P TROPOMI data to monitor air quality and air pollution in local areas. In conclusion, monitoring and regulating NO2 pollution are essential for a sustainable solution to improving environmental quality and population health status for decision-makers

Anahtar Kelimeler

Air quality, Atmospheric pollution, COVID-19, Nitrogen dioxide, Sentinel 5P

Troposferik Nitrojen Dioksitin (NO2) COVID-19 Pandemisinde Mekânsal ve Zamansal Analizi: Adana-Mersin Bölgesi

Öz

Şehirlerin sürdürülebilirliği ve halk sağlığı için hayati sorunlardan birisi olan hava kirliliği COVID-19 pandemisi ile insan/endüstriyel faaliyetlerindeki değişimin gözlemlenebilmesini sağlamıştır. Bu doğrultuda çalışmada Adana-Mersin kentlerinde COVID-19 dönemini kapsayan yüksek çözünürlüklü uydu görüntüleri aracılığı ile yerel hava kalitesi/hava kirliliğinin yersel/zamansal ilişkisinin incelenmesi amaçlanmıştır. Bu amaçla Ocak 2019’dan Ocak 2022'ye kadar olan hava kalitesinde etkili olan troposferik nitrojen dioksit (NO2) konsantrasyonuna ilişkin 4 x 7 km yersel çözünürlükteki veriler Sentinel-5P uydusundan elde edilmiştir. Çalışma sonucunda endüstriyel ve ticari birimlerin en yüksek NO2 konsantrasyonuna sahip olduğu görülürken, sürekli şehir yapısı,karayolları ve ilgili alanlarda konsantrasyon değerlerinin yüksek olduğu tespit edilmiştir. Ayrıca şehir yapılarına ait sınıflarda NO2 konsantrasyonu 2020 yılında en düşük değerlere sahip iken, 2021 yılında süreksiz şehir yapısı ve karayolları sınıfları en yüksek konsantrasyona sahiptir. Bu çalışma Sentinel-5P TROPOMI verilerinin yerel alanlarda hava kalitesi ve hava kirliliğinin izlenmesinde kullanılma kapasitesini göstermiştir. Sonuçlar NO2 kirliliğinin izlenmesi ve düzenlenmesinde karar vericilerin çevresel kalite ve nüfus sağlık durumunun iyileştirilmesinde çözüm geliştirmeleri için gereklidir.

Anahtar Kelimeler

Atmosferik kirlilik, COVID-19, Hava kalitesi, Nitrojen dioksit, Sentinel 5P

Kaynakça

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