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178 datasets found
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ApRES and pRES Measurments at Kamb Ice Stream (KIS1), West Antarctica, 2020-2023
Antarctica New ZealandThis metadata record represents ApRES (Autonomous phase-sensitive Radio Echo Sounder) and pRES (Phase-sensitive Radio Echo Sounder) measurements conducted at Kamb Ice Stream site 1 (KIS1). GET DATA: r.levy@gns.cri.nzCreated 25 March 2025 • Updated 25 March 2025 -
Aerial Adelie Penguin Colony Images: Scanned Negatives and Digital...
Antarctica New ZealandRaw images (over approximately 20.000 unique images) collected during the Adelie Penguin Census across 30+ colonies since 1981 (see associated metadata resource for list full list of colonies). Photographs were taken using a black and white film camera from 1981 to 2004 (inclusive) and 2008. Images are available in .tif fomrat. Images are digital from...Created 25 March 2025 • Updated 25 March 2025 -
Oceanographic Mooring (CTD, Currents) at Kamb Ice Stream (KIS2), West...
Antarctica New ZealandData target a major subglacial outlet river emerging from beneath the Kamb Ice Stream (KIS). These data were used to determine both the role of water beneath the ice sheets and the ice-ocean interactions that take place once this water emerges into the ice shelf cavity. This mooring is set to sample twice every hour over the coming years. GET DATA:...Created 25 March 2025 • Updated 25 March 2025 -
Benthic Invertebrate Genetic Data at Dunlop Island, Arrival Heights, and...
Antarctica New ZealandThis metadata record represents benthic invertebrate genetic analyses carried out on sediment samples collected at Dunlop Island, Arrival Heights, and Scott Base. The combined analyses of coastal currents and sea ice conditions with genetic and trophic data were used to understand the influence of key drivers on the interconnectedness of existing Ross Sea...Created 25 March 2025 • Updated 25 March 2025 -
Nortek AquaDopp High-Resolution (HR) Pulse-Coherent Velocity Data, Terra...
Antarctica New ZealandCentimeter-scale velocity profiles collected using two 2 MHz Nortek AquaDopp High-Resolution (HR) pulse-coherent velocity profilers deployed at 47 and 85 meters water depth on the Lamont-Doherty Earth Observatory (LDEO)Terra Nova Bay mooring at 74.97°S, 163.96 °W in 2017-2018. These measurements are used to estimate turbulence kinetic energy dissipation...Created 25 March 2025 • Updated 25 March 2025 -
Meteorological and isotope data at Lake Fryxell and Lake Bonney, 2016 - 2018
Antarctica New ZealandThis metadata record represents meteorological data and in situ and isotopic measurements of the isotopic ratio of water vapor from the ablating ice from two lakes in the McMurdo Dry Valleys, Antarctica. Lake ice and water samples (from the surface water and at depth via SCUBA) were collected in vials. Ice samples at Lake Bonney were collected daily, and...Created 25 March 2025 • Updated 25 March 2025 -
Aerosol Chemistry and Primary Production Reconstruction Dataset from Firn...
Antarctica New ZealandThis metadata record represents data generated from firn ice core samples - chemical composition (water isotopes, soluble ions, organic compounds, insoluble particles). GET DATA: holly.winton@vuw.ac.nzCreated 25 March 2025 • Updated 25 March 2025 -
Water Temperature at Time Series Station Arrival Heights Dive Hole, McMurdo...
Antarctica New ZealandSeawater temperature was recorded every five minutes between October and November 2024 in McMurdo Sound, Ross Sea, Antarctica. Measurements were taken at depths ranging from 9.5 to 29 metres to characterize the early summer temperature regime of the benthic community. Data were collected using a HOBO TidbiT v2 underwater data logger with an accuracy of...Created 25 March 2025 • Updated 25 March 2025 -
Line-of-Sight Velocities of Priestley Glacier, Antarctica, aquired with...
Antarctica New ZealandThese data were aquired with a Terrestrial Radar Interferometer overlooking the grounding zone of Priestley Glacier, Antarctica. The time series contains differential interferograms with a 12h temporal baseline covering an approximately 8 day period in November 2018. Tidal modulation of ice streams and their adjacent ice shelves is a real-world experiment...Created 25 March 2025 • Updated 25 March 2025 -
Drill hole measurements of fast ice and sub-ice platelet layer thickness,...
Antarctica New ZealandHere, we present drill hole measurements carried out at 14 field sites distributed over a ~1500 km^2 area of fast ice in the south of McMurdo Sound, Antarctica between 1 and 19 November 2018. At each site, five holes were drilled in the fast ice at the centre and end points of two cross‐profile lines, each 30 metre long. Sea ice and SIPL thicknesses were...Created 25 March 2025 • Updated 25 March 2025 -
Oceanographic Profiling (Conductivity, Temperature, Pressure) at Kamb Ice...
Antarctica New ZealandCTD casts were performed at the Kamb Ice Stream site 3 borehole (-82.6285, -156.3046). These data target a major subglacial outlet river emerging from beneath the Kamb Ice Stream. These data were used to determine both the role of water beneath the ice sheets and the ice-ocean interactions that take place once this water emerges into the ice shelf cavity....Created 25 March 2025 • Updated 25 March 2025 -
Taylor Glacier Tunnel: Measurements of the composition, deformation and...
Antarctica New ZealandThe structural glaciology and movement of the Taylor Glacier, was investigated over several seasons (98-01) by excavating a tunnel in the right side of the Taylor Glacier, 1.5km upstream of the terminus, to provide access to basal ice and the glacier substrate. Basal ice was sampled and analysed for concentration of base cations and chlorides present....Created 25 March 2025 • Updated 25 March 2025 -
Southern Ocean moored time series (south of 60°S) (OCEAN:ICE D1.1)
Antarctica New ZealandThis mooring timeseries compilation contains temperature, salinity, current velocity measured from a wide range of marine instrument in the Southern Ocean (90°S-60°S) since 1975. It provides with an opportunity to investigate the broad scale climatology of the Southern Ocean shelf dynamics and shelf connecitivity of dense shelf water and freshwater...Created 25 March 2025 • Updated 25 March 2025 -
Oceanographic Mooring Measurements (Temperature, Salinity, Current...
Antarctica New ZealandQuality-controlled data collected on the Lamont-Doherty Earth Observatory (LDEO) mooring in Terra Nova Bay from February 2017 - March 2018. The data format is netCDF. See Miller et al. (2024a; doi:10.1038/s41467-023-43880-1) for details on the mooring deployment. Data include temperature and salinity at 7 depths across the mooring, current velocity...Created 25 March 2025 • Updated 25 March 2025 -
Coastal and Landfast Sea Ice Thickness in Western Ross Sea, Antarctica, from...
Antarctica New ZealandThe data are approximately 800 km of airborne electromagnetic survey of coastal sea ice and sub-ice platelet layer (SIPL) thickness distributions in the western Ross Sea, Antarctica, from McMurdo Sound to Cape Adare. Data were collected between 8 and 13 November 2017, within 30 days of the maximum fast ice extent in this region. Approximately 700 km of...Created 25 March 2025 • Updated 25 March 2025 -
Oceanographic Mooring: Temperature, Salinity, and Current Flow Data at...
Antarctica New ZealandThe oceanographic mooring (-77.81830000, 165.40590000) which records temperature, salinity, and current flow at multiple depths for full 12-month cycles represents a step-change in our ability to monitor the flow of Ice Shelf Water – which carries the signature of deep ice shelf melt – northwards and out of the Ross/McMurdo Ice Shelf cavity through...Created 25 March 2025 • Updated 25 March 2025 -
Benthic Community Assemblage Data at Dunlop Island, Arrival Heights, and...
Antarctica New ZealandThis metadata record represents benthic habitat and biodiversity surveys at three locations - Dunlop Island on the southern Victoria Land Coast, Arrival Heights and south of Scott Base (both Ross Island; SBR sites SB2 and AH1). Habitat and benthic epifauna assemblage composition data were collected by remotely operated vehicle (ROV) between 10 - 100...Created 25 March 2025 • Updated 25 March 2025 -
Data from: Future ocean cooling insufficient to offset committed sea level...
Antarctica New ZealandGlobal mean sea level has risen at an accelerating rate in the last decade and will continue to rise for centuries. The Amundsen Sea Embayment in West Antarctica is a critical region for present and future ice loss, however most studies consider only a worst-case future for the region. Here we use ice sheet model sensitivity experiments to investigate the...Created 25 March 2025 • Updated 25 March 2025 -
Antarctic Daily Mesoscale Air Temperature Dataset Derived from Remotely...
Antarctica New ZealandAntAir ICE is an air temperature dataset for terrestrial Antarctica, the ice shelves, and the seasonal sea ice around Antarctica in a 1km2 spatial grid resolution and a daily temporal resolution available from 2003-2021. AntAir ICE was produced by modelling air temperature from MODIS ice surface temperature and land surface temperature using linear...Created 25 March 2025 • Updated 25 March 2025 -
SnowWEB: Automatic Weather Station Network, Ross Ice Shelf, 2017-2019
Antarctica New ZealandFourteen SnowWEB sensor stations were used to make atmospheric/meteorological observations along the traverse route between Scott Base and Hot Water Drill Site 2, and Hot Water Drill Site 1. Instruments (e.g. thermometers) were installed on masts above the ground. 2017/18: Hot Water Drill Site 1 2018/19: 11 SnowWeb stations were deployed at approximately...Created 25 March 2025 • Updated 25 March 2025
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