Von der Schadstoffbelastung zur emittierten Abgasmenge: Die linke Grafik zeigt über mehrere Jahre gemittelt, wie sich bei Windstille Stickstoffdioxid über dem Nahen Osten verteilt. Rot bedeutet eine hohe Belastung, weiß eine geringe. Die rechte Grafik zeigt die Stickstoffdioxid-Verteilung um Riad für unterschiedliche Windbedingungen und Windstille (Mitte). Daraus lässt sich ermitteln, wie schnell der Schadstoff aus der Atmosphäre verschwindet und somit wie groß die emittierten Mengen in Riad sind.
Bild; Science/MPI für Chemie
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