1. Short summary of individual campaign in the MBL LP-DOAS: HaloCaVe 2010
Observations of Reactive Halogen Species in the Marine Boundary Layer during ship cruises in the Pacific and Atlantic Johannes Lampel, Denis Pöhler, Udo Frieß, Jens Tschritter, Katja Großmann, Martin Horbanski, and Ulrich Platt
Short summary of individual campaign in the MBL
LP-DOAS: HaloCaVe 2010
CE-DOAS and MAX-DOAS: M91, Peru
Short summary of observations of BrO in the MBL during several ship cruises

2. M91: MAX-DOAS and CE-DOAS

3. Reanalysis LP-DOAS HaloCaVe 2010 Cape Verde
Highly variable BrO concentrations
No IO > 0.5ppt
Indications of OClO

4. MAXDOAS halogen observations at Antarctic station of Belgrano (78ºS)

5. MAXDOAS halogen observations at Antarctic station of Belgrano (78ºS)
BrO and NO2 total column
Tropospheric BrO
Tropospheric IO

6. MAXDOAS halogen observations at Antarctic station of Belgrano (78ºS)
Poster nº 30
Bromine enhancements
Associated to ODE
(b) With no ODE associated
Trajectories coming from Weddell Sea
- severe storm and blowing snow (events 2013)
- wind under 5m/s (event 2014)
Trajectories coming from East along the coast, with 24h residence over Weddell Sea prior reaching the station

7. Reactive Halogen Species in the Marine Boundary Layer:
A global picture observed from ship cruises and coastal measurements
Denis Pöhler, Johannes Lampel, Udo Frieß, Jens Tschritter, Katja Großmann, Martin Horbanski, Stefan Schmitt and Ulrich Platt
Institute of Environmental Physics, University of Heidelberg
Iodine Oxide
(IO)

8. Bromine Oxide (BrO)

9. Formaldehyde(HCHO)