Robot Uçaklar Çevre Kirliliğini Takip Ediyor
Amerikan Ulusal Bilim Kuruluşu (NSF) ve Scripps Okyanus Enstitüsünün ortaklaşa yaptığı başarılı çalışma sonucu bir grup robot uçak Hint Okyanusu semalarında çevre kirliliğini ölçtüler. Böylece Dünya'nın atmosferindeki aydınlığın azalmasına yol açan çevre kirliliğinin takip edilmesinde önemli bir adım atılmış olundu.
İnceleme araçları taşıyan kumandasız uçabilen robot uçaklar (AUAV) Maldivler'de 18 başarılı görev uçuşu yaptılar.
Uçakların dikey şekilde gruplanmasıyla kirlilik taşıyan bulutların üzerinde, ortasında ve altında eş zamanlı ölçüm yapılabildi. Bu verilerle kirlilik oluşturan taneciklerin aydınlanmanın azalmasındaki rollerinin ve bu durumu kötüleştiren bulutları oluşturmalarının mekanizması anlaşılacak. Bu dikey uçuş şekli insanlı uçuşlarda ender yapılan bir şekildi fakat 3 benzer robot uçağın kontrolündeki kolaylık bu uçuş şeklini daha sık yapılır kıldı. Böylece yüzlerce kirlilik ölçümü mümkün oldu.
Hint okyanusu semaları insanların sebep olduğu kirliliğin görünğr izlerini taşımakta. Kirlilik oluşturan tanecikler bazen kahverengi bazen de siyah bulutlar oluşturarak gökyüzünü karartmakta. Atmosferdeki bulutlar yeryüzüne gelen ışığı yansıtarak soğumaya sebep olmakta. Bu soğuma ise küresel ısınmanın gerçek etkilerini saklamakta olabilir.
Kullanılılan uçakların her biri sadece 5 kilo agırlığında araç ve gereç taşıyor. Bu araçlar güneş radyasyonunu, buluttaki damla büyüklüğünü ve yoğunluğunu, tanecik sayısını ve yoğunluğunu, türbülansı, nemi ve sıcaklığı ölçüyor.
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