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25 Titles Match Your Query
Showing 1 through 25 of 25
1. Collation of existing (historical) Antarctic fast ice core Chlorophyll a data [AAS_4298_Chlorophyll_a_1970_2015]
The Antarctic Fast Ice Algae Chlorophyll-a (AFIAC) dataset is a compilation of currently available sea ice chlorophyll-a data from land-fast sea ice (i.e., excluding pack ice (see ASPeCt-Bio, Meiners ...


2. Instrumented Remotely Operated Vehicle (ROV) under-ice observations [AAS_4298_Under_Ice_ROV_Observations]
Data were collected during deployments of an instrumented Remotely Operated Vehicle on 5 sampling days to determine sea ice physical properties and measure transmitted under-ice radiance spectra (combined ...


3. Under-ice Conductivity-Temperature-Depth (CTD) profiles [AAS_4298_CTD]
As part of Australian Antarctic Science project # 4298 and Antarctica New Zealand project K131A, integrated biological and physical observations were conducted including these series of CTD measurements. ...


4. Integrated PAR exposure of sea ice in East Antarctica [ICEPAR]
The data comprise images (encapsulated postscript and PNG formats) showing the integrated solar irradiance exposure of sea ice. The exposure value for ice at a given grid point was calculated by computing ...


5. ASPeCt-Bio: Chlorophyll a in Antarctic sea ice from historical ice core dataset [ASPeCt-Bio]   PARENT DIF
The ASPeCt - Bio dataset is a compilation of currently available sea ice chlorophyll a (chl-a) data from pack ice (i.e., excluding fast ice) cores collected during 32 cruises to the Southern Ocean ...


6. An integrated study of processes linking sea ice and biological ecosystem elements off East Antarctica during winter [ASAC_2767]   CHILD DIFs
Metadata record for data expected from ASAC Project 2767 See the link below for public details on this project. A multidisciplinary survey of the processes linking sea ice with biological elements ...


7. Background regarding the sea-ice model configuration and forcings, and the use of sea-ice model output to identify potential habitat for Antarctic krill larvae [AAS_4347_Sea_Ice_Model_Configurations]
Taken from the "Supporting Information" for the main paper. See the referenced papers for more information. Our results are based on numerical simulation of Southern Ocean sea ice, conducted using ...


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. 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 ...


10. 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 ...


11. 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 ...


12. 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 ...


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. 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 ...


15. Ice-physics transects collected in fast ice areas at Davis Station in November-December 2015 [AAS_4298_Davis_Ice_Transects]
In situ measurements of ice and snow thickness, and freeboard along an irregular transect on the fast, complementing the repeat ROV (Remotely Operated Vehicle) transects. During our deployment at ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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 ...


21. 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 ...


22. 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 ...


23. 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 ...


24. Sea ice bio-optical measurements [AAS_4298_Davis2015_Sea_Ice_Bio_Optics]
Field-based sampling: As part of Australian Antarctic Science project # 4298, a total number of 44 sea ice sites were sampled for bio-optical measurements along 4 transects on land-fast sea ice off ...


25. Sea ice data - Bio-optics and physics measurements from Scott Base and McMurdo Sound 2014 [AAS_4298_Scott_Base_McMurdoSound_2014]
As part of Australian Antarctic Science project # 4298 and Antarctica New Zealand project K131A, a total number of 24 sea ice sites were sampled for bio-optical measurements along 2 transects on land-fast ...


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