Thumbnail Icon [Parent_DIF='SIPEX_II']


Refine by Category
 
Refine by Full text

 

61 Titles Match Your Query
Showing 1 through 50 of 61 Next
1. Atmospheric carbon dioxide (CO2) concentrations for CO2 flux [SIPEX_II_CO2_Flux]   PARENT DIF
During the ice stations, measurements of the air CO2, concentration for CO2 flux between sea ice and atmosphere were made with the chamber technique. Air-sea ice CO2 fluxes were measured over the ...


2. Sea ice, brine and under ice water carbon dioxide (CO2) concentrations as dissolved inorganic carbon [SIPEX_II_CO2_DIC]   PARENT DIF
During the ice stations, sea ice, brine/slush, snow and under-ice water sampling were collected for CO2 concentration measurement as dissolved inorganic carbon (DIC). Ice cores were collected using ...


3. 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 ...


4. 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 ...


5. Albedos for 300-2500nm for thin sea ice covered with frost flowers, nilas, snow, and slush collected during SIPEX II [SIPEX_II_Albedo]   PARENT DIF
This dataset contains albedo data for several varieties of sea ice and snow from 300-2500 nm measured during the SIPEX II voyage (2012). An Analytical Spectral Device (ASD) spectrophotometer records ...


6. 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 ...


7. CO2 incubation data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_CO2_Incubations]   PARENT DIF
Pulse Amplitude Modulation (WaterPAM, Walz) was used to measure the response of the sea ice brine microalgae to CO2 stress. All data was reported in WinControl software and follows standard formats. ...


8. Carbon isotopic signal of cholesterol and brassicasterol (respectively zooplankton and phytoplankton indicator) and presence of particulate Barium in the Antarctic sea-ice - collected during SIPEX II, 2012 [SIPEX_II_Stable_Isotopes_Sterols]   PARENT DIF
Overview of the project and objectives: Sea-ice phytoplankton is significantly enriched in 13C (delta 13C-POC) compared to pelagic phytoplankton in adjacent open waters because of carbon limitation ...


9. Chlorophyll a data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Chlorophyll_a]   PARENT DIF
Chlorophyll data was used to measure growth rates of sea ice algae in CO2 incubations. Sea ice brine microalgae was collected from sackholes. Replicate samples were incubated in ambient air (~0.04% ...


10. 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 ...


11. 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 ...


12. 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 ...


13. DNA sequence data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_DNA_Sequences]   PARENT DIF
Purpose of experiments: Sequence data obtained to determine community structure of pack sea-ice microbial communities and whether it is effected by exposures to elevated CO2 levels. Summary of Methods: ...


14. Determination of the regimes of production in the Antarctic sea-ice during SIPEX 2 using Si, N, and C stable isotope in-situ incubation experiments and 13C and 14C primary production method intercomparison [SIPEX_II_Stable_Isotopes_Si_N_C]   PARENT DIF
Overview of the project and objectives: Assessing the contribution of the different N substrates to the primary production process, such as the biogenic silica production and dissolution in the Antarctic ...


15. 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 ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. Gaseous elemental mercury measurements of boundary layer air made by a Tekran 2537 during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Mercury_Air]   PARENT DIF
Instrument description: Gaseous elemental mercury (GEM) was measured at five minute intervals. GEM was collected and analysed on two parallel gold traps. While GEM was collected on one gold trap, ...


21. 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 ...


22. Hysplit atmospheric back-trajectories at 10m, 500m, 1000m, 1500m, 2000m, 2500m, 3000m, 3500m, 4000m collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Trajectories]   PARENT DIF
The current data set contains: Hysplit back-trajectories and IDL reader Trajectories were launched from the SIPEX II ship location every hour at 10m, 500m, 1000m, 1500m, 2000m, 2500m, 3000m, 3500m, ...


23. 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 ...


24. Ice floe surveying conducted during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ice_Floe_Survey]   PARENT DIF
These data were collected to provide a spatial context for activities on SIPEX-2. Please see the document 'SIPEX II ice floe surveying report' for more detail. Files generated and stored in this dataset ...


25. 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. ...


26. 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 ...


27. 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. ...


28. In-situ Halocarbon trace-gas concentrations measured by the Dirac GC-ECD during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Halocarbons]   PARENT DIF
The current data set contains in-situ halocarbon atmospheric measurements of CH3CCl3, CH2Br2, CHBr3, CHCl3, C2Cl4 made using a Gas Chromatograph - Electron Capture Detector (GC-ECD) known as the micro- ...


29. In-situ atmospheric ozone measurements observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Ozone]   PARENT DIF
This dataset contains in-situ atmospheric ozone mixing ratios observed during SIPEX 2. Ozone Monitor Instrument Description: Commercial dual cell ultraviolet ozone analyser: Thermoelectron Model ...


30. In-situ total aerosol number using condensation particle counters as observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Aerosols]   PARENT DIF
The current dataset includes total aerosol count from two different Condensation Particle Counters (CPCs). The two CPCs measure total aerosol number in two different size ranges: - TSI Model 3025A ...


31. Inorganic and organic particulate carbon, BGSi and transmissometer data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Transmissometer]   PARENT DIF
This dataset contains Ffilter samples of known volume of sea water for - PIC (Particulate Inorganic Carbon) - POC (Particulate Organic Carbon) - BGSi (BioGenic Silicon) The dataset also contains ...


32. 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 ...


33. 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 ...


34. 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 ...


35. Metadata file presenting the stable isotope toolbox used to describe the biogeochemical system functioning during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Stable_Isotopes]   CHILD DIFs   PARENT DIF
Overview of the project and objectives: To investigate whether the Nitrogen - Silicon - Carbon biogeochemical system functions in the Antarctic Marginal Ice Zone and shows spatial variability possibly ...


36. 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 ...


37. 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 ...


38. Numerical Atmospheric dispersion Modeling Environment - an operational particle dispersion model using the Met Office Unified Model and ECMWF Numerical Weather Prediction meteorology data - SIPEX II data [SIPEX_II_NAME]   PARENT DIF
This record contains a collection of maps of integrated particle density at different altitudes. These images were produced from the gridded dataset described in the metadata record with the ID "SIPEX_II_NAME_Gridded". ...


39. Numerical Atmospheric dispersion Modeling Environment - an operational particle dispersion model using the Met Office Unified Model and ECMWF Numerical Weather Prediction meteorology data - raw, gridded SIPEX II data [SIPEX_II_NAME_Gridded]   PARENT DIF
This record contains the source, gridded data used to produce the maps described in the metadata record with the ID "SIPEX_II_NAME". See the provided URL. The UK Met Office's Numerical Atmospheric-dispersion ...


40. 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 ...


41. Oxygen and nitrogen isotopic composition of nitrate in the Antarctic ice-edge, sea-ice and underlying seawater data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Stable_Isotopes_NO3]   PARENT DIF
Overview of the project and objectives: To investigate whether nitrate uptake and processes other than nitrate uptake by phytoplankton are significant and show spatial variability possibly induced ...


42. 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 ...


43. 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 ...


44. 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 ...


45. 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 ...


46. Sea ice Trace Metals sampling during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Trace_Metals]   PARENT DIF
Antarctic sea ice is known to store key micronutrients, such as iron, as well as a suite of less studied trace metals in winter which are rapidly released in spring. This stimulates ice edge phytoplankton ...


47. Sea ice algae growth rate data collected during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Algae_Growth_Rates]   PARENT DIF
Chlorophyll data was used to measure growth rates of sea ice algae in CO2 incubations. Sea ice brine microalgae was collected from sackholes. Replicate samples were incubated in ambient air (~0.04% ...


48. Sea ice algal composition, bloom potential and response to increased C02 observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Bloom_CO2]   PARENT DIF
This dataset contains pulse amplitude modulated (PAM) fluorometry measurements and chlorophyll concentrations for a series of incubation experiments performed during the 2012 SIPEX marine science ...


49. Sea ice micro-zooplankton in ice cores and the water column (LOPC) observed during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Microzooplankton]   PARENT DIF
This data set includes abundance and distribution of sea ice and water column micro-invertebrates. Data was collected form 8 stations over the course of the SIPEX 2 voyage. The data for this project ...


50. Ship-board webcam images taken during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Webcams]   PARENT DIF
This dataset contains webcam images from the three ship-board webcams that were present during the SIPEX II voyage to the sea ice North-East of Casey station, from Hobart in September to November ...


Showing 1 through 50 of 61 Next
Click here for a static view of records.

Link to Web Site