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Balloon over CVAO

Researchers from TROPOS have this week launched a large balloon above the site.  It will be used for some meteorological profiling up to 1000m and for some ice nucleation in cloud experiments. 

Dr Bill Bloss and Dr Leigh Crilley from the University of Birmingham have recently set up an instrument to measure HONO at the CVAO. The aim of the "HAMBL" project is to perform trail / proof of concept measurements to investigate the abundance of HONO in the tropical atlantic boundary layer, its contribution to the overall NOy budget, and in particular to assess evidence for additional sources of HONO, via heterogeneous reactions, in the marine atmosphere. Cape Verde provides an ideal test-bed for this experiment as an established "open ocean" side with complementary measurements already deployed on a long-term basis. The experiment will last three weeks.

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Martin Gallagher and Michael Flynn from the University of Manchester have recently deployed a bioaerosol spectrometer at the CVAO. They would like to try and produce a seasonal picture of the bio-fluorescent particle concentration at the site as a function of air mass, biomass burning indices and local sea-spray generated sources.

The 5-year EU project Global Mercury Observation System (GMOS) to which the CVAO contributed Total Gaseous mercury measurements; has now come to an end.  The project was demed a massive success and was included in a recent GEO publication which highlights major success stories of the last decade.  

pdf REC 15 029 GEOSS2 web (2.30 MB)

Work has started on the extension to the Cape Verde Atmospheric Observatory.  The site is being extended by 138sqm to accommodate new containerised laboratories for the trace gas measurements.  There will also be a new 10m concrete tower.

Extension work has started