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Ice shelves affect the stability of ice sheets by supporting the mass balance of ice upstream of the grounding line. Marine ice, formed from supercooled water freezing at the base of ice shelves, contributes to mass gain and affects ice dynamics.
While satellite altimeters have revolutionized ocean science, validation measurements in high wave environments are rare. Using geodetic Global Navigation Satellite System (GNSS) data collected from the Southern Ocean Flux Station (SOFS; ?47°S, 142°E) since 2019…
Agenda Item(s): WG-IMAF-2022 - 4.2.1 - Review of whale entanglement information … WG-IMAF-2022 - 4.1 - Population status of marine mammals in the CAMLR Convention Area … WG-IMAF-2022 - 4.3 - Mitigation methods for marine mammals
Report submitted to CCAMLR: Leaper, R., Biuw, M., Favero, M, Forster, I., Johnson, C., Kelly, N., Heinemann, D., Hines, E., Landry, S., Mattila, D., Meyer, M., Parker, S., Passadore, C., Reeves, S., Soffker, M., Stimmelmayr, R., Walker, N., 2022.
Arctic ecosystems and global climate are closely related. This paper studies the distributions and the coupling relationship between Chlorophyll a (Chl a) and aerosol optical thickness (AOD) in Greenland Sea (10 degrees W - 10 degrees E, 70 degrees N - 85 degrees N)…
The global climate is intimately connected to changes in the polar oceans. The variability of … sea ice coverage affects deep-water formations and large-scale thermohaline circulation patterns. The … polar radiative budget is sensitive to sea-ice loss and consequent surface albedo changes.
[1] For the first time, the temperature of mesospheric ice … particles is retrieved directly from ice infrared extinction … spectra measured in the solar occultation regime. The … position of ice O-H stretch band peak varies from … 3230cm1 at T = 120K to 3246cm1 at T = 155K…
In January 2005, members of a Chinese expedition team … were the first humans to visit Dome A on the Antarctic plateau, a site … predicted to be one of the very best astronomical sites on earth. In 2006, the Chinese Center for Antarctic Astronomy (CCAA)…
Pre-HEAT is a 20 cm aperture submillimeter-wave telescope with a 660 GHz (450 micron) Schottky diode heterodyne … receiver and digital FFT spectrometer for the Plateau Observatory (PLATO) developed by the University of New South … Wales. In January 2008 it was deployed to Dome A…
Lowest temperature and snow accumulation rate are preconditions for retrieving the oldest ice core … from the polar ice sheets. The 10-m depth firn temperature at Dome A, the summit of the Antarctic Ice … Sheet, recorded by an automatic weather station (AWS) was −58.3 in 2005 and −58.2 in 2006…
Research and data collection over several years has allowed us to determine the best alternative energy option for Australian stations. This is to install a small number of large commercially available, minimally modified wind-turbines. They would be variable-speed, 280kW machines without gearboxes…
Dome A is the highest point on the surface of the East Antarctic ice sheet and the highest … ice feature in Antarctica. In January 2005 a team from the Chinese National Antarctic … Research Expeditions (CHINARE)…
Ice shelves play a major role in the discharge of ice from Antarctica both from iceberg calving and basal melt, and processes of ocean-ice interaction beneath the shelf are of increasing scientific interest.
Surface snow accumulation along the Chinese ITASE traverse line was measured using … bamboo stakes. Stakes along the initial (coastal) 300 km of the line were installed in 1997. The stake network was extended to 465 km in 1998, to 1100 km in 1999 and finally to 1228 … km (from the coast to Dome A)…
This paper presents the mathematical background of the derivation of atmospheric gravity-wave spectra from Rayleigh lidar observations of fractional density and/or temperature fluctuations.