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A chemical mechanism, including the relevant reactions leading to the production of ozone and other photochemical oxidants, has been implemented in the MATCH regional tracer transport/chemistry/deposition model. The aim has been to develop a model platform that can be used as a basis for a range of …

The surface water temperatures were normal for the season in all investigated areas. All nutrients in the surface layer, except silicate, showed normal concentrations. The oxygen concentrations in the bottom water of the Sound and Kattegat were higher than normal, but lower than normal in the …

The Swedish Meteorological and Hydrological Institute, SMHI, has won the award for Sweden's Most Modern Agency 2013. The award was presented by the Minister for Public Administration and Housing Stefan Attefall at a conference on quality and operational development at the end of November.

This report presents the results from the first of two December cruises. The Baltic Proper and the Bothnian Bay were visited. Merely three phytoplankton stations were sampled due to the stormy weather in the area. The potentially harmful flagellate Prymnesium cf. polylepis was present at all …

Nutrient levels were largely normal in the whole investigated area. In the Baltic Proper, oxygen concentrations below 2 ml/l (hypoxia) were found at depths exceeding 70 to 80 metres, while a total deficiency of oxygen (anoxia) was found below 70 to 125 metres. All parameters in the Gulf of …

This report presents a new aerosol dynamics version of a European scale Eulerian CTM, MATCH. The new model is called MATCH-SALSA, and includes aerosol microphysics and several options for nucleation, wet scavenging and condensation. The report entails model description, evaluation and sensitivity …

This report presents the results from two November cruises. The Baltic Proper was visited in the beginning of the month, and the Skagerrak, the Kattegat and Southwestern Baltic areas in the end. The number of species and cell numbers were low in the Skagerrak area. In the Kattegat the species …

The surface water temperatures were normal for the season in all investigated areas. All nutrients in the surface layer in the southern Baltic Proper were lower than normal. The oxygen concentrations at the bottom in the Sound and in the eastern Kattegat were higher than normal, but lower than …