destroy the stratification of the lower troposphere. Due to the stability of the free atmosphere above the bound- ary layer the typical height of the stable boundary layer (SBL), defined as the lowest altitude [...] 4. Box plots of the mean seasonality of the volatile, semi- volatile and refractory portion of the measured particle concentra- tions for the years 2005–2007. Lines in the middle of the boxes represent [...] Characterization of the variations of condensation particle concentrations 13247 Fig. 1. Time series of the measured CP concentrations (daily means). Also indicated are the operation periods of the different

during tropospheric ozone minima. The ticks on the top of the figure mark the starts of the all ozone sondes. sion coincided with the top of the ozone poor air and the mean potential temperature gradient [...] Spitsbergen having been the source region of the 4.2. Source of the ozone-depleted air masses ozone depletion and so the influence of the topo- graphy of Greenland would have been irrelevant.A striking positive [...] to the ambient ozone partial spring. Measurements of the vertical distribution pressure times the rate of the air flow, was meas- of tropospheric ozone during ozone minima by ured continuously. The dependence

considered and the sum of the area was defined as the sea ice extent for the sector. The data were finally re-sampled to produce monthly mean SIE (i.e. sea ice area in units 106 km2). The accuracy of the retrieved [...] total number of months (i.e. the length of the time series), were also used to evaluate correlations among the measured parameters in the time domain. The purpose of data evaluation in the frequency domain [...] investigate the long-term variability of the major ionic aerosol compounds MS, nss-SO2− 4 , NO− 3 and Na+ of the Neumayer data. Note that respective investigations of the seasonal cycles of these species

considered and the sum of the area was defined as the sea ice extent for the sector. The data were finally re-sampled to produce monthly mean SIE (i.e. sea ice area in units 106 km2). The accuracy of the retrieved [...] total number of months (i.e. the length of the time series), were also used to evaluate correlations among the measured parameters in the time domain. The purpose of data evaluation in the frequency domain [...] investigate the long-term variability of the major ionic aerosol compounds MS, nss-SO2− 4 , NO− 3 and Na+ of the Neumayer data. Note that respective investigations of the seasonal cycles of these species

considered and the sum of the area was defined as the sea ice extent for the sector. The data were finally re-sampled to produce monthly mean SIE (i.e. sea ice area in units 106 km2). The accuracy of the retrieved [...] total number of months (i.e. the length of the time series), were also used to evaluate correlations among the measured parameters in the time domain. The purpose of data evaluation in the frequency domain [...] investigate the long-term variability of the major ionic aerosol compounds MS, nss-SO2− 4 , NO− 3 and Na+ of the Neumayer data. Note that respective investigations of the seasonal cycles of these species

AS is the (measured) specific radiocarbon activity (in Bq/gC) of the sample, AABS = 0.95·0.238 Bq/gC is the absolute specific activity of the radiocarbon standard (i.e. 95% of the activity of the OxA-I [...] contribution of source/sink process S to the seasonal variation of 14C (14Cseas,2 S , Definition 2) is the sum of the contribution of the seasonal variability of the source/sink S (14Cseas,1 S , Definition [...] seasonal cycle of atmospheric 14C. The larger the horizon- tal (or vertical) 14C difference caused by source/sink process S, the larger the contribution of process S to the component of the 14C seasonal

an estimate of the temporal development of the global SF6 distribution on a latitude – altitude grid, which – when integrated over the entire atmosphere – gives the temporal development of the global atmospheric [...] sinks. A total atmospheric mass of 5.1×1021g of air was used for the source estimates. Note that the inventory refers to the middle of each year, whereas the source refers to the period 1 January–31 December [...] namely the Ministry of Education and Science, Baden-Württemberg, Germany; the German Science Foundation, the German Minister of Environment; the German Minister of Science and Technology; the German

Fig. 1. Map of the high-latitude Southern Hemisphere showing the locations of the measuring sites discussed in the text. ent timescales, especially focusing on its distinct seasonal- ity. The central topic [...] for particle- bound 222Rn progenies), the characteristics of the bound- ary layer, in particular the depth of the mixing layer, co- determines the actually measured atmospheric222Rn activ- ity concentration [...] seasonality of222Rn activity ob- served from 1995 to 2011. Lines in the middle of the boxes repre- sent sample medians (mean: red line), lower and upper lines of the boxes are the 25th and 75th percentiles;

y. The the retrieval of vertical profile information from the MAX-DOAS mea- surements requires the simulation of the coupled snowpack- atmosphere radiative transfer, which is subject of Sect.4. The analysis [...] telescope is mounted on the roof of the Neumayer trace gas observa- tory, at a height of approximately 7 m over the snow surface. The viewing plane of the telescope is directed to the north. UV and Vis spectra [...] Hereλk is the centre wavelength of thekth detector pixel. The wavelength window of the retrieval,[λ(K1),λ(K2)], is chosen in order to optimise the signal-to-noise ratio of the trace gases of interest,

Klages, M. (2008): HAUSGARTEN - The Arctic Deep-Sea Observatory , Talk during the visit of the Director of the Korean Polar Research Institue, Dr. Hong Kum Lee in Brermerhaventh of September 2008. . 173. Klages [...] automated object detection in images from the deep seafloor of the HAUSGARTEN observatory , OCEANS 2012 MTS/IEEE. Harnessing the Power of the Ocean, Hampton Roads, USA, 14 October 2012 - 19 October 2012 . 67 [...] Schewe, I. (2006): Preliminary results of field activities at the Håkon Mosby Mud Volcano and "Hausgarten" during the first year of HERMES , 1st Annual Meeting of the EU funded project HERMES, 18.-22.04.2006