(Table 1) Ice station data during POLARSTERN expeditions ARK-XVIII/2 and ARK-XIX/1 to Fram Strait, the western Barents Sea and north of Svalbard ...

• Main Authors: Schünemann, Henrike, Werner, Iris
• Format: Dataset
• Language: English
• Published: PANGAEA 2005
• Subjects: Event label; Date/Time of event; Sampling date; Latitude of event; Longitude of event; Elevation of event; Number; Ice coverage; Sea ice thickness; Temperature, air; Temperature, ice/snow; Snow thickness; Ice station; Multiple investigations; ARK-XVIII/2; ARK-XIX/1; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158; Antarctic; Arctic; Arctic Ocean; Barents Sea; Svalbard; Antarc*; Fram Strait; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.855170; https://doi.pangaea.de/10.1594/PANGAEA.855170

During two expeditions of the R.V. “Polarstern” to the Arctic Ocean, pack ice and under-ice water samples were collected during two different seasons: late summer (September 2002) and late winter (March/April 2003). Physical and biological properties of the ice were investigated to explain seasonal differences in species composition, abundance and distribution patterns of sympagic meiofauna (in this case: heterotrophs >20 µm). In winter, the ice near the surface was characterized by extreme physical conditions (minimum ice temperature: -22°C, maximum brine salinity: 223, brine volume: <=5%) and more moderate conditions in summer (minimum ice temperature: -5.6°C, maximum brine salinity: 94, most brine volumes: >=5%). Conditions in the lowermost part of the ice did not differ to a high degree between summer and winter. Chlorophyll a concentrations (chl a) showed significant differences between summer and winter: during winter, concentrations were mostly <1.0 µg chl a/l, while chl a concentrations ... : Supplement to: Schünemann, Henrike; Werner, Iris (2004): Seasonal variations in distribution patterns of sympagic meiofauna in Arctic pack ice. Marine Biology, 146(6), 1091-1102 ...