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fraction is given by the ratio of the number of cloudy pixels to the total number of pixels in the cell. The dimension of the cell was set to 21 pixels on the basis of the comparison with the Ny-Ålesund cloud [...] provided by the personnel of the Arctic Station. The sodar was positioned SE of the village, on the shore of the Zeppelin Bay far enough from any noise of the village (Figure 1b). Near the sodar, a three-meter [...] Ocean. The geographical distribution of the radiation balance at the top of the atmosphere defines the sources and sinks of energy for the Earth-atmosphere system, and constitutes the forcing of the general

absorption coefficient (aph) or the total absorption coefficient (a). The method is based on the knowledge that 80% of the variability in the shape of the aph normalized by its spectral mean from 400 – [...] SynsenPFT. The advantage of the second method is that the relationship can be applied to OC-PFT grid cells even in the absence of PhytoDOAS data, increasing the spatial coverage of the SynsenPFT. Sy-4SciPFT-RB-D1 [...] will adapt the parameterisation relating the fit factor of the specific phytoplankton absorption spectrum divided by the penetration depth with the "real" Chla of the phytoplankton type. The PFT signal

ng the main PFTs (Table 2.1). The f-PFT/PSC is determined as the ratio of the DPs of a specific PFT/PSC to the sum of the weighted concentration of the seven DPs (DPw). For example, the fraction of Chla [...] 2.4). The standard deviation of the latitudinal position of the PF was used as a proxy of the interannual variability of the PF position. In addition, we included the mean position of the Southern Antarctic [...] (Figure 5.3). The authors linked the start of the blooms south of 40°S to the light availability (indicated by PAR). The development of the blooms in the SO fol- lowing the increase in the seasonal PAR

ng the main PFTs (Table 2.1). The f-PFT/PSC is determined as the ratio of the DPs of a specific PFT/PSC to the sum of the weighted concentration of the seven DPs (DPw). For example, the fraction of Chla [...] 2.4). The standard deviation of the latitudinal position of the PF was used as a proxy of the interannual variability of the PF position. In addition, we included the mean position of the Southern Antarctic [...] (Figure 5.3). The authors linked the start of the blooms south of 40°S to the light availability (indicated by PAR). The development of the blooms in the SO fol- lowing the increase in the seasonal PAR

sources and mechanisms of NPF and the influence on CCN concentra- tions in the remote atmosphere of the Southern Ocean. The work of Korhonen et al. (2008) revealed a weaker impact of DMS-derived secondary [...] wheremv is the molecular mass of the vapour (98 g mole−1), ρ is the density of the condensed vapour (1.6 g cm−3 as- suming a H2SO4/H2O mixture of 68 % H2SO4 by weight at 273 K), vmol is the gas kinetic [...] in the size distribution be- low 10 nm (according to the manufacturer, uncertainties in the size range between 10 and 6 nm could be about a factor of 1.5–2 higher for the DMA 3081 compared to the DMA

Southern Ocean
A unique series of measurements taken over several years in the Antarctic Ocean provide new findings about the daily vertical migration of zooplankton communities: scientists of the Thünen [...] Thünen Institute of Sea Fisheries in Hamburg and the Alfred Wegener Institute in Bremerhaven observed changes during the year and between years. The Antarctic zooplankton is the main source of food for many [...] many fish and whale species, including the largest mammal in the world, the blue whale.

kilometres as defined for the region of the ‚Greater North Sea‘ according to the OSPAR Convention for the protection of the marine en- vironment of the North-East Atlantic (www.ospar.org). The North Sea coast is [...] main- land to the south. The English Channel and the Norwe- gian Sea connect it to the Atlantic Ocean while the Ska- gerrak joins it to the Baltic Sea. The area of the North Sea is around 750,000 square [...] Nine of the ten warmest years occurred after 1988. The water temperature in the German Bight has risen more than in other regions of the North Sea. Salt content and visibility The salt content of the North

L−1) along the cruise track. The middle line in each panel shows the exact position of the cruise track. The dashed lines show the approximate location of clusters 2 and 4. The order of the colour bars [...] salinity (World Ocean Atlas 2009) and results from a cruise sampling the Atlantic Upwelling (Zindler et al. 2012). 2.1 State of the Art of knowledge of PFT and DMS emissions The complexity of the link between [...] Introduction 1.1 Scope of the document This technical note summarizes the activities in WP 250 as response to SR-3 of the requirement baseline, SoW Annex D (RD-3, Annex D), in light of the SynSen-PFT proposed

constituted 97% of the water sample for the cyanobacteria absorption spectrum. For most of the cases, we chose to use the absorption spectra of natural samples since the pigmentation of cultures might differ [...] depending on the application. In the first method, we look for the spectral regions in the derivatives (second and fourth) of the absorption spectra with strongest features. The wavelengths of maxima of spectral [...] appearances of (each of) the derivative crossing zero. The bands of highest frequencies of zero crossing are highlighted and indicate possible placement of the bands. Many features are the same for both