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| Gould Coast | |
|---|---|
| Name | Gould Coast |
| Location | Ross Dependency, Antarctica |
| Coordinates | 85°S 160°W |
| Region | Ross Ice Shelf margin, Antarctica |
| First discovered | 20th century |
| Notable features | Ross Ice Shelf, Byrd Glacier, Scott Glacier, Transantarctic Mountains |
Gould Coast is a coastal sector on the south side of the Ross Ice Shelf in the Ross Dependency of Antarctica. The coast lies adjacent to major glacial outlets such as Byrd Glacier and Scott Glacier and borders portions of the Transantarctic Mountains. It has been the focus of polar exploration by expeditions from United States Antarctic Program, New Zealand Antarctic Research Programme, British Antarctic Survey, and historical parties linked to Richard E. Byrd, Robert Falcon Scott, and Ernest Shackleton.
The Gould Coast extends along the southern margin of the Ross Ice Shelf where the floating shelf meets grounded ice fed by outlet glaciers including Byrd Glacier, Scott Glacier, and tributaries draining the East Antarctic Ice Sheet. The coast abuts mountain chains of the Transantarctic Mountains such as the Queen Maud Mountains and features nunataks like Mount Kaplan and peaks mapped during the Operation Highjump surveys. Proximate landing and logistics nodes historically and presently include McMurdo Station, Scott Base, and airfields used by Antarctic Logistics & Expeditions and Skylift operations. Oceanographic zones offshore connect to the Ross Sea and seasonal polynyas influenced by the Ross Gyre and Iceberg B-15 drift histories.
Exploration of the coastal sector occurred during early 20th-century ventures led by figures such as Robert Falcon Scott and later mapped in greater detail by Richard E. Byrd expeditions and United States Navy operations including Operation Deep Freeze. Aerial reconnaissance by Operation Highjump and surveys by the United States Geological Survey and New Zealand mapping teams refined coastal charts used by the Scientific Committee on Antarctic Research and naming authorities including the Advisory Committee on Antarctic Names and the New Zealand Geographic Board. The feature name commemorates individuals connected to Antarctic exploration and logistical support recognized by these agencies, and it appears on charts and gazetteers maintained by USGS and the Scott Polar Research Institute.
Bedrock exposures along the coast reveal Beacon Supergroup sedimentary sequences and metamorphic outcrops associated with the Transantarctic Mountains orogeny documented in studies by geologists at Columbia University, Ohio State University, and the British Antarctic Survey. Glaciological research focuses on mass balance, ice-stream dynamics of outlets like Byrd Glacier and interactions with the Ross Ice Shelf. Investigations by teams from Lamont–Doherty Earth Observatory, Scripps Institution of Oceanography, University of Cambridge, and University of Wisconsin–Madison have applied ice-penetrating radar, GPS campaigns, satellite altimetry from ICESat and CryoSat, and numerical modeling developed at NASA Goddard Space Flight Center and Jet Propulsion Laboratory to quantify grounding-line retreat, basal melting, and calving processes influenced by warm circumpolar deep water linked to Southern Ocean circulation changes.
The coastal climate is polar, shaped by katabatic winds descending from the Polar Plateau and synoptic-scale forcing from the Southern Annular Mode and El Niño–Southern Oscillation teleconnections examined by British Antarctic Survey and National Oceanic and Atmospheric Administration researchers. Surface temperatures, precipitation, and sea-ice variability have been monitored by automatic weather stations deployed by University of Wisconsin–Madison, Victoria University of Wellington, and University of Minnesota as part of long-term climate programs coordinated with World Meteorological Organization panels and the Intergovernmental Panel on Climate Change assessment frameworks. Oceanographic influences from the Ross Sea Polynya and advection of heat by the Antarctic Circumpolar Current modulate basal melting at the Ross Ice Shelf front.
Logistical support for field parties on the coast has been provided through McMurdo Station, Scott Base, and seasonal camps operated by United States Antarctic Program, National Science Foundation, Antarctica New Zealand, and international collaborators including Australian Antarctic Division and European Space Agency science teams. Research programs have included glaciology, geology, paleoclimatology, and geophysics led by institutions such as University of Tasmania, University of Alaska Fairbanks, Potsdam Institute for Climate Impact Research, and University of Tokyo. Historical expeditions linked to the area include those of Roald Amundsen indirectly via regional routes, Richard E. Byrd directly with aerial mapping, and later logistic efforts during Operation Deep Freeze. Aircraft operations have used types like the LC-130 Hercules and Twin Otter supported by skiways and field engineering by New Zealand Defence Force and US Navy personnel.
Biological presence on the coast is limited by extreme conditions; however, offshore marine ecosystems in the adjacent Ross Sea support higher trophic levels including Antarctic krill, Adélie penguin, Weddell seal, Emperor penguin rookeries documented on nearby fast ice, and foraging by leopard seal. Microbial mats and cryptoendolithic communities are found in sheltered rock outcrops studied by microbiologists from University of Colorado Boulder and Pennsylvania State University, while lichen and cold-tolerant algal assemblages have been recorded by botanists affiliated with University of Canterbury and University of Otago. Conservation and management are guided by measures under the Protocol on Environmental Protection to the Antarctic Treaty and monitoring by Convention on the Conservation of Antarctic Marine Living Resources programs.
Category:Coasts of Antarctica