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1. 3-D mapping of sea ice draft with an autonomous underwater vehicle [SIPEX_II_AUV]   PARENT DIF
We set out to achieve floe-scale 3-D mapping of sea ice draft and bio-optical parameters using a Multibeam SONAR and Hyperspectral radiometer mounted to an Autonomous Underwater Vehicle (AUV). The ...


2. ASPeCt Sea Ice Data from the SIPEX Voyage of the Aurora Australis in 2007-2008 [SIPEX_ASPECT]   PARENT DIF
ASPeCt is an expert group on multi-disciplinary Antarctic sea ice zone research within the SCAR Physical Sciences program. Established in 1996, ASPeCt has the key objective of improving our understanding ...


3. ASPeCt ship-based observations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_ASPECT]   PARENT DIF
This dataset contains observations of ice conditions taken from the bridge of the RV Aurora Australis during SIPEX 2012, following the Scientific Committee on Antarctic Research/CliC Antarctic Sea ...


4. Aurora Australis Southern Ocean oceanographic (CTD) data, cruise 2007/08 V1 (SIPEX) [SIPEX_Ocean]   PARENT DIF
We report on the late winter oceanography observed beneath Antarctic sea ice offshore from the Sabrina and BANZARE coast of Wilkes Land, East Antarctica (115- 125 E) in September-October 2007 during ...


5. Boundary Layer Meteorology measurements collected from ice stations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Boundary_Layer_Met]   PARENT DIF
Matlab files containing raw data collected using the program "HC2S3snowwind.CR1" running on Campbell Scientific CR1000 dataloggers. Datalogger "C" was used during all ice stations. On the 8th of ...


6. Conductivity, Temperature and Depth (CTD) data from the SIPEX II voyage of the Aurora Australis [SIPEX_II_CTD]   PARENT DIF
Multiple CTD (conductivity, temperature, depth) casts were deployed during the SIPEX II AAD Marine Science voyage in September-November 2012. The system uses a descending rosette capable of holding ...


7. Conductivity, Temperature and Depth (CTD) measurements made on ice stations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Station_CTD]   PARENT DIF
We deployed CTD sensors on five of the SIPEX 2 ice stations for collecting temperature and salinity of the water column under the sea ice. This dataset contains the raw data as outputted from the ...


8. DC Conductivity of sea-ice measured during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Conductivity]   PARENT DIF
DC Electrical: In order to relate the fluid permeability to the electrical properties of sea ice, we also took measurements of the vertical component of the DC electrical conductivity tensor of sea ...


9. Diurnal snow pit measurements observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Diurnal_Snow]   PARENT DIF
Motivation: One of the characteristics of this voyage is that we have long ice stations which last for a few days. Taking this opportunity, we decided to examine the diurnal change of snow properties ...


10. Downward looking, ice-mounted ADCP data collection during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_ADCP]   PARENT DIF
A 600KHz Teledyne RDI Workhorse Sentinel ADCP was deployed through a 10inch auger hole, flush with the base of the ice, looking downwards. At ice stations 2, 3, and 4 the deployment locations was ...


11. Electromagnetic measurement of sea ice thickness on ice stations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Station_EM]   PARENT DIF
We observed total thickness (snow thickness + ice thickness) of sea-ice floes along 100m transects using an electromagnetic (EM) sensor. The data were read from the EM and written by hand into a ...


12. Fluid permeability measurements taken on vertical component of sea ice during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Fluid_Permeability]   PARENT DIF
A 9 cm diameter Kovacs corer was used to drill holes partially through the ice. The core was removed, creating a pressure head in the hole. Packers made of ABS tubing wrapped with foam to create a ...


13. Gas flux over sea ice and calcium carbonate concentration in sea ice from the SIPEX II voyage of the Aurora Australis [SIPEX_II_Gas_Flux]   PARENT DIF
Gas Flux over Sea Ice ------------- We observed amount of gas exchange between sea ice and atmosphere. At the ice station, semi-automated chambers developed in Japan, were used for measurement of ...


14. Helicopter-borne passive-microwave observations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Passive_Microwave]   PARENT DIF
This dataset contains sea ice surface brightness temperatures using a portable passive-microwave radiometer operating at 36Ghz-H,V mounted to the undercarriage of a Squirrel helicopter during SIPEX ...


15. Ice Coring Survey For Main Biological Site, cruise 2007/08 V1 (SIPEX) [SIPEX_IceSampling]   PARENT DIF
Ice samples were collected by means of ice coring with 9 and 13 cm diameter ice corers on a total of 15 stations in the 115-130 degrees E sector off East Antarctica in September and early October ...


16. Ice and snow pit measurements observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Snowpits]   PARENT DIF
This dataset contains routine measurements of snow and ice thickness, and snow-ice interface temperature, at 1m intervals along standard transects; snow property characterisation in snow pits measured ...


17. Ice-floe based Conductivity, Temperature and Depth (CTD) casts from the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_CTD]   PARENT DIF
CTD casts were taken through holes in the ice floe at various locations during ice stations 3, 4, 6 and 7. Two Seabird 37M microcats were used. One microcat did not log time, whereas the other did. ...


18. Ice-physics transect data obtained during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_InSitu_Ice_Physics]   PARENT DIF
This dataset contains in situ measurements of ice thickness, snow thickness, and freeboard along transects on the ice-station floes from the SIPEX2012. Ice cores were collected and snow pits were ...


19. In situ Lagrangian drifting buoy data off East Antarctica for the austral spring of 2012, deployed during the SIPEX II voyage of the Aurora Australis [SIPEX_II_Buoys]   PARENT DIF
In situ Lagrangian drifter positions were collected from nine expendable sea-ice buoys. Positions were collected by GPS receivers aboard each buoy and relayed via the CLS Argos satellite data system. ...


20. Iron(II) measurements on water column samples collected on the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Iron]   PARENT DIF
Water samples for dissolved trace metal measurements were collected from the surface (15m) down to the 1000m using an autonomous intelligent rosette system (General Ocanics, USA) specially adapted ...


21. Krill Camera Footage and Traps from the SIPEX II Voyage of the Aurora Australis [SIPEX_II_Krill_Camera]   PARENT DIF
The intention of the Deep Krill Camera and Trap System was to monitor and capture krill found during deep CTD operations. Two traps were installed on the CTD in place of Niskin Bottles. At pre-determined ...


22. Krill Growth and Condition Investigation, cruise 2007/08 V1 (SIPEX) [SIPEX_krill]   PARENT DIF
This work was completed as part of the SIPEX - Sea Ice Physics and Ecosystem eXperiment - voyage. September/October 2007. The work formed part of AAS (ASAC) projects 2337 and 2767. Aspects of krill ...


23. Light absorbing impurity profiles in snow on sea-ice collected during SIPEX II [SIPEX_II_Impurities]   PARENT DIF
Particulate impurities in snow such as dust and soot can absorb sunlight. This is important for snow albedo in the Arctic, but probably not in the Antarctic. Snow was collected in plastic bags through ...


24. Net Radiation measurements taken from ice stations 2,3,7 during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Radiation]   PARENT DIF
Net radiation (Shortwave, Longwave down and up). Measured using a Kipp and Zonen CNR4 net radiometer, logged by a Campbell Scientific CR1000 datalogger (s/n E-3964-E8876). Always oriented facing ...


25. Nitrate profiles in snow on sea-ice collected during SIPEX II [SIPEX_II_Nitrate]   PARENT DIF
This dataset contains measurements of nitrate in snow on the sea-ice. These vertical nitrate profiles were collected from snow pits that were dug at each ice station during the SIPEX II voyage in ...


26. On-ice meteorological data collected using Davis Weather Stations, during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Met]   PARENT DIF
Ice Stations 1-4 Two Davis weather stations are placed either side of a sea-ice ridge. The closest station to the ship is called 'unit 1', and the further station is 'unit 2'. Each weather station ...


27. Parent metadata record for all metadata created from the SIPEX II voyage of the Aurora Australis, 2012-2013 season - Sea Ice Physics and Ecosystem eXperiment [SIPEX_II]   CHILD DIFs
More than 50 scientists from eight countries conducted the Sea Ice Physics and Ecosystem eXperiment 2012 (SIPEX-2). The 2012 voyage built on information and observations collected in 2007, by re-visiting ...


28. RAPPLS Surveys (Radar, Aerial Photography, Pyrometer, and Laser Scanning system) made during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_RAPPLS]   PARENT DIF
This dataset contains the data collected during the RAPPLS (Radar, Aerial Photography, Pyrometer, and Laser Scanning system) flights that were undertaken as a part of the SIPEX II (Sea Ice Physics ...


29. Relative permittivity of brine samples taken from 2 MHz to 4 GHz across a range of temperatures during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Brine_Permittivity]   PARENT DIF
This dataset contains data resulting from the measurement of brine samples extracted from the sea-ice during the 2012 SIPEX 2 (Sea Ice Physics and Ecosystems Experiment) marine science voyage. The ...


30. S-band waveguide measurements of sea-ice samples ranging from 2.6 to 3.95 GHz during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Waveguide]   PARENT DIF
This dataset contains data relating to an experimental method in which sea-ice samples were measured in an S-band microwave waveguide. This was conducted as a part of the 2012 SIPEX 2 (Sea Ice Physics ...


31. Sea Ice Bio-Optical Sampling, cruise 2007/08 V1 (SIPEX) [SIPEX_BioOptics]   PARENT DIF
A total of 31 paired under-ice irradiance measurements and ice core samples were collected from 12 ice stations in the 115-130 degrees E sector off East Antarctica in September and early October 2007 ...


32. Sea Ice Main Biology Sampling collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Phytoplankton]   PARENT DIF
Five (out of a possible 7) ice stations were sampled for the Main Biology Site, collected from -63.88S 119.9E off East Antarctic in September to November 2012 during the Sea Ice Physics and Ecosystems ...


33. Skin temperature data of the pack ice zone collected during the SIPEX voyage of the Aurora Australis during 2007 [SIPEX_Pyrometer]
Skin temperature data over the East Antarctic pack ice zone were recorded by the RAPPLS airborne instrument package using a KT-19II infrared pyrometer. The KT-19II infrared pyrometer was manufactured ...


34. Snow buoy deployments made during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Snow_Buoys]   PARENT DIF
This document describes the deployment of five Ice Mass Balance Buoys (IMBs) and two automatic weather stations. These were primarily deployed on floes 2012103 and 20121029, as well as on helicopter ...


35. Snowpit measurements made from ice stations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Snowpits]   PARENT DIF
In addition to snow pits dug by other groups, several snow pits were dug at IMB/AWS deployment sites and at snow mast sites. Dates, locations, personnel, and purpose are listed in Table 1. Many ...


36. Surface krill sampling in relation to environmental condition collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Surface_Krill]   PARENT DIF
We checked each site by taking ice cores and observing the algae biomass to determine the likelihood of krill living under the sea ice in each location. We also used a Remotely Operated Vehicle (ROV) ...


37. Trace metal water column samples collected on the SIPEX II voyage of the Aurora Australis [SIPEX_II_TMR]   PARENT DIF
This dataset will be comprised of measurements taken from trace metal water column samples collected during the SIPEX II Antarctic marine science voyage in 2012. In its current form no sample analysis ...


38. Underway snowfall measurements during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Underway_Snowfall]   PARENT DIF
Matlab file containing raw data snowfall data collected aboard the RV Aurora Australis using Campbell Scientific dataloggers. Two Wenglor brand YHO3NCT8 photoelectric sensors were mounted on the ...


39. Viscosity of brine samples taken from 2 MHz to 4 GHz across a range of temperatures during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Permeability_BioPhysical]   PARENT DIF
This dataset contains data resulting from the measurement of brine samples extracted from the sea-ice during the 2012 SIPEX 2 (Sea Ice Physics and Ecosystems Experiment) marine science voyage. The ...


40. Investigation of sea ice physical processes in East Antarctica during early Spring - Measuring snow thickness over Antarctic sea ice with a helicopter-borne 2-8 GHz FMCW radar [ASAC_2901_RAASTI]
Public Summary for project 2901 This research will contribute to a large multi-disciplinary study of the physics and biology of the Antarctic sea ice zone in early Spring 2007. The physical characteristics ...


41. Aerial photographs of sea ice flown by the Australian Antarctic Division [aerial_photo_sea_ice]   PARENT DIF
The Australian Antarctic Division acquired aerial photographs of sea ice from helicopters using a digital Nikon D1X digital camera during the following voyages: Australian Antarctic Division voyage ...


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