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178 datasets found
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Seawater and Sponge eDNA Sequence Data, Ross Sea, Antarctica, 2021
Antarctica New ZealandThis metadata record represents environmental DNA sequence data and metadata barcode file. Seawater and sponge eDNA metabarcoding sampling was conducted at seven coastal locations (Cape Barne, Cape Evans, Cziko Seamount, Granite Harbor Middle, Granite Harbor South, and Turtle Rock) in the Ross Sea to assess spatial eukaryote biodiversity patterns and...Created 25 March 2025 • Updated 25 March 2025 -
Highly Branched Isoprenoids in IODP Hole 318-U1357B
Antarctica New ZealandThis data publication contains the concentration (in µg/g) of the triene Z and the diene highly branched isoprenoids, along with their ratio, versus depth (in meters below sea-floor) and age (in years Common Era) in core IODP U1357B. Core IODP U1357B was retrieved in the Dumont d'Urville Trough off Adélie Land, East Antarctica, during the IODP expedition...Created 25 March 2025 • Updated 25 March 2025 -
Near-Surface Frazil Ice GoPro Video and Stills, McMurdo Sound, 2022
Antarctica New ZealandGoPro imagery was collected from the camp hydrohole (-77.89475, 166.64835). The GoPro measurements link with the research objectives of Antarctic and High Latitude Climate (NIWA SSIF), specifically observe and improve understanding of physical ice-ocean processes. The GoPro camera was used to complement the AZFP measurements by allowing near-surface...Created 25 March 2025 • Updated 25 March 2025 -
Surface Source Seismic Reflection Line with AWI 300m Gimballed Geophone...
Antarctica New Zealand47 surface source det cord explosions were used for a towed array seismic survey. The sources were space 60 m apart and recorded by a 96 channel gimballed geophone streamer with the first channel being 30 m behind each shot. The line was positioned to repeat the coverage of a portion of the main seismic line shot immediately prior to this survey. GET...Created 25 March 2025 • Updated 25 March 2025 -
Oceanographic Casts (CTD, Turbidity, ADCP, Turbulence) at Kamb Ice Stream...
Antarctica New ZealandData target a major subglacial outlet river emerging from beneath the Kamb Ice Stream boreholes: KIS-2A and KIS-2B. Turbulence was measured with VMP microstructure profiler to characterise the mixing controlling heat fluxes to/from the ice. These data were used to determine both the role of water beneath the ice sheets and the ice-ocean interactions that...Created 25 March 2025 • Updated 25 March 2025 -
GNSS Data collected at Priestley Glacier November 2018
Antarctica New ZealandThis is GNSS data of four stations covering the grounding zone of Priestley Glacier Antarctica. Tidal modulation of ice streams and their adjacent ice shelves is a real-world experiment to understand ice-dynamic processes. We observe the dynamics of Priestley Glacier, Antarctica, using Terrestrial Radar Interferometry (TRI) and GNSS. Ocean tides are...Created 25 March 2025 • Updated 25 March 2025 -
Seawater Dissolved Inorganic Carbon and Alkalinity at Granite Harbour...
Antarctica New ZealandThis metadata record represents dissolved inorganic carbon and akalinity values from seawater samples using a Niskin sampler to determine seawater chemistry associated with ocean acidification. Sites include: Granite Harbour South (-77.016, 162.876) Spike Cape (-77.304, 166.557) Cinder Cones () Cape Evans (-77.635, 166.411) GET DATA:...Created 25 March 2025 • Updated 25 March 2025 -
Ceilometer Cloud Height Measurements, Kamb Ice Stream (KIS1), Ross Ice...
Antarctica New ZealandThis metadata record represents the single season deployment of ceilometer at Kamb Ice Stream. GET DATA: r.levy@gns.cri.nzCreated 25 March 2025 • Updated 25 March 2025 -
Benthic Community Assemblage and Habitat Characterisation with Hyperspectral...
Antarctica New ZealandThe sites were videoed along transects arranged across depth gradients, and specimens of several key invertebrate species were collected. At the two Granite Harbour locations, video transects focussed on 10, 20 and 30 m depths only due to time limitations. These data allow us to explore the potential of this technology to non-invasively assess...Created 25 March 2025 • Updated 25 March 2025 -
Microbiology from Seawater Samples, Kamb Ice Stream (KIS1), Ross Ice Shelf, 2019
Antarctica New ZealandThis metadata record represents water column samples taken for microbiology analysis at Kamb Ice Stream 1 borehole. GET DATA: christina.hulbe@otago.ac.nzCreated 25 March 2025 • Updated 25 March 2025 -
Conductivity, Temperature, and Depth (CTD) Profiles, McMurdo Sound, 2022
Antarctica New ZealandThis metadata record represents 10 full-depth profiles of ocean temperature, salinity and oxygen taken from a hydrohole (-77.89475, 166.64835) in McMurdo Sound. GET DATA: natalie.robinson@vuw.ac.nzCreated 25 March 2025 • Updated 25 March 2025 -
Kamb Ice Stream (KIS-1) ROV Icefin Missions
Antarctica New ZealandThis work was primarily funded by the NASA-funded RISE-UP: Ross Ice Shelf & Europa Underwater Probe (PI Britney E. Schmidt) project. Field work at the KIS-1 site during the 2019-2020 season was completed through international collaboration between NASA, NSF/USAP, and Antarctica New Zealand, funded by the Aotearoa New Zealand Antarctic Science Platform...Created 25 March 2025 • Updated 25 March 2025 -
Sea Ice and Sub-Ice Platelet Layer Thicknesses, McMurdo Sound, 2022
Antarctica New ZealandThis metadata record represents EM-31 transect measurements, of sea ice and sub-ice platelet layer thicknesses. The EM-31 transects link with the research objectives of ASP Project 4, Objective 4, specifically quantify the spatial variability of key physical parameters influencing the distribution and structure of sub-ice platelet layers, and their role...Created 25 March 2025 • Updated 25 March 2025 -
Acoustic Frazil Ice Measurements, McMurdo Sound, 2022
Antarctica New ZealandThis metadata record represents in-situ passive observations of suspended frazil ice from a hydrohole (-77.89475, 166.64835) in McMurdo Sound. These data were used in combination with the scaled images of suspended frazil crystals which were taken at the same hydrohole (see cross-referenced record). The Acoustic Zooplankton Fish Profiler (AZFP) is a four-...Created 25 March 2025 • Updated 25 March 2025 -
VLF phase and amplitude data recorded at Scott Base Antarctica, and Sodankylä Finland
Antarctica New ZealandThis dataset contains 5 s average phase and amplitude data from VLF radio wave communication transmitters received on two subionospheric propagation paths. The first is the path from NPM (Hawaii, 21.4 kHz, 21.4⁰N, 158.2⁰E), recorded at the field-site for New Zealand's Scott Base, Arrival Heights, in Antarctica (77.8⁰S, 166.8⁰E). The propagation path is...Created 25 March 2025 • Updated 25 March 2025 -
Temperature, salinity and acoustic backscatter observations and tidal model...
Antarctica New ZealandTemperature and salinity observations were made at nominal depths of 75 m and 100 m, respectively, by Sea Bird Electronics sensors. Acoustic volume backscatter measurements were made by an ASL Environmental Sciences Acoustic Zooplankton Fish Profiler (AZFP) operating at four-frequencies (125 kHz, 200 kHz, 455 kHz and 769 kHz). The AZFP profiled the top 25...Created 25 March 2025 • Updated 25 March 2025 -
Data from: Ancient and modern genomes reveal microsatellites maintain a...
Antarctica New ZealandMicrosatellites are widely used in population genetics, but their evolutionary dynamics remain poorly understood. It is unclear whether microsatellite loci drift in length over time. This is important because the mutation processes that underlie these important genetic markers are central to the evolutionary models that employ microsatellites. We identify...Created 25 March 2025 • Updated 25 March 2025 -
Data from: Deep-living and diverse Antarctic seaweeds are potentially...
Antarctica New ZealandData includes estimates of abundance of seaweed taxa on the seafloor across the Northern Victoria Land coast, Ross Sea, Antarctica. This includes: - Metadata of video transects - Seaweed density across transects - Modelled outputs of light attenuation across sites. Descriptions: - "Antarctic_Seaweed_Metadata_TAN2101_TAN2302_Dryad.xlsx" - Metadata of video...Created 25 March 2025 • Updated 25 March 2025 -
GNSS and Total Station Geodetic Observations at Kamb Ice Stream (KIS1), West...
Antarctica New ZealandGeophysical observations around the Kamb Ice Stream 1 (KIS1) borehole (-82.7841067, -155.2626683). Seasonal and winter-over GPS deployments were used to capture the motion of the ice stream and ice shelf with a particular focus on the grounding zone. Total stations will also be used to monitor ice motion and deformation. These data combined provide...Created 25 March 2025 • Updated 25 March 2025 -
Multichannel Seismic Reflection Line Measurements at Kamb Ice Stream (KIS2),...
Antarctica New ZealandOne hundred and twenty ~25 m deep shot holes were loaded with 800 g Pentex charges at 240 m intervals along a 30 km long seismic line. Each shot was recorded by a spread of 96 geophones buried ~80 cm in the firn, with the shot at the centre of the spread. This explosive source seismic survey of Discovery Deep was undertaken in order to determine its...Created 25 March 2025 • Updated 25 March 2025
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