München 2004 – wissenschaftliches Programm

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UP: Umweltphysik

UP 20: Atmosph
äre und Messtechnik

UP 20.3: Fachvortrag

Dienstag, 23. März 2004, 17:00–17:15, HS 118

Latitudinal cross section of tropospheric and stratospheric NO2 measured by ship borne multi axis DOAS — •Magdalini-Anastasiia Halasia¹, Roman Sinreich¹, Jens Bossmeyer², Andreas Heck¹, Udo Friess³, Thomas Wagner¹, and Ulrich Platt¹ — ¹IUP Heidelberg — ²FZ Juelich — ³

We present first results of ship borne multi axis (MAX-) DOAS measurements of NO2, performed on board of the Polarstern research vessel on a cruise from Bremerhaven to Antarctica between October 2002 and February 2003. The MAX-DOAS technique allows to separate tropospheric from stratospheric trace gas column giving the ability to determine the abundance of NO2 in the mid-latitudinal, tropical and polar marine troposphere. Furthermore we compare our measurements with observations performed on a similar cruise in 2001/2002.