Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills
Metadata record for data from ASAC Project 275 See the link below for public details on this project. From the abstracts of the referenced papers: The East Antarctica ice sheet advanced onto the continental shelf during the last glaciation but appears to have been thinner (less than 300 m) than prev...
Other Authors: | , , |
---|---|
Format: | Dataset |
Language: | unknown |
Published: |
Australian Antarctic Data Centre
|
Subjects: | |
Online Access: | https://researchdata.ands.org.au/stability-glaciological-depositional-vestfold-hills/700018 https://data.aad.gov.au/metadata/records/ASAC_275 http://nla.gov.au/nla.party-617536 |
id |
ftands:oai:ands.org.au::700018 |
---|---|
record_format |
openpolar |
spelling |
ftands:oai:ands.org.au::700018 2023-05-15T13:46:57+02:00 Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills COLHOUN, ERIC A. (hasPrincipalInvestigator) COLHOUN, ERIC A. (processor) Australian Antarctic Data Centre (publisher) Spatial: northlimit=-68.55; southlimit=-68.55; westlimit=78.25; eastLimit=78.25; projection=WGS84 Temporal: From 1987-09-30 to 1995-03-31 https://researchdata.ands.org.au/stability-glaciological-depositional-vestfold-hills/700018 https://data.aad.gov.au/metadata/records/ASAC_275 http://nla.gov.au/nla.party-617536 unknown Australian Antarctic Data Centre https://researchdata.ands.org.au/stability-glaciological-depositional-vestfold-hills/700018 37fc735f-2c1d-4983-8a03-e863e58a13df ASAC_275 https://data.aad.gov.au/metadata/records/ASAC_275 http://nla.gov.au/nla.party-617536 Australian Antarctic Data Centre climatologyMeteorologyAtmosphere geoscientificInformation inlandWaters GLACIERS EARTH SCIENCE CRYOSPHERE GLACIERS/ICE SHEETS ICE SHEETS GLACIATION PALEOCLIMATE LAND RECORDS MACROFOSSILS MICROFOSSILS PALEOCLIMATE RECONSTRUCTIONS Tasmania Antarctica climate change fossil vegetation types Paleo Start Date Paleo Stop Date PHANEROZOIC > CENOZOIC CENOZOIC > QUATERNARY > HOLOCENE CONTINENT > GEOGRAPHIC REGION > POLAR dataset ftands 2020-01-05T21:17:00Z Metadata record for data from ASAC Project 275 See the link below for public details on this project. From the abstracts of the referenced papers: The East Antarctica ice sheet advanced onto the continental shelf during the last glaciation but appears to have been thinner (less than 300 m) than previously hypothesised and probably did not everywhere extend to the edge of the continental shelf. Where the shelf is wide, the ice probably terminated against shallow banks on its outer edge. There may not have been time for the sheet to develop the maximum profile form and thickness predicted by Hollin (1962) and Hughes and others (1981) of about 1000-500 m over the shelf. Large outlet glaciers occupied deep troughs that conveyed most of the ice towards the edge of the shelf: intervening areas were less intensely glaciated. Much of the Prince Charles Mountains and Amery Oasis were not ice-covered: Vestfold, Bunger and Casey oases were glaciated. Vestfold and Bunger oases became ice-free after 10 ka BP under the influence of the Holocene marine transgression, which was complete by about 6 ka BP. During at least the last 5-6 ka these oases have been approximately their present size. Since then the margins of the Antarctic continental ice sheet have maintained almost steady state conditions against the landward edges of the hill masses. ###################### Observational studies on Cainozoic environmental changes in both Tasmania and East Antarctica have led to important modifications in the accepted interpretation of the history of glaciation for each area. Many contributors have played an important role in the processes of investigation leading to the present state of knowledge. A crucial role has been played by the integration of the methods. From studies based on combinations of these approaches, a model of multiple glaciations has been developed to explain observed features in Tasmania. This model is complemented by studies of vegetation history, largely through pollen analysis. A less complete picture of the history of ice-sheet fluctuations in East Antarctica is beginning to emerge from similar applications of cross-disciplinary studies. Dataset Antarc* Antarctic Antarctica East Antarctica Ice Sheet Prince Charles Mountains Research Data Australia (Australian National Data Service - ANDS) Amery ENVELOPE(-94.063,-94.063,56.565,56.565) Antarctic East Antarctica Prince Charles Mountains ENVELOPE(67.246,67.246,-71.427,-71.427) The Antarctic Vestfold Vestfold Hills ENVELOPE(78.25,78.25,-68.55,-68.55) |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
climatologyMeteorologyAtmosphere geoscientificInformation inlandWaters GLACIERS EARTH SCIENCE CRYOSPHERE GLACIERS/ICE SHEETS ICE SHEETS GLACIATION PALEOCLIMATE LAND RECORDS MACROFOSSILS MICROFOSSILS PALEOCLIMATE RECONSTRUCTIONS Tasmania Antarctica climate change fossil vegetation types Paleo Start Date Paleo Stop Date PHANEROZOIC > CENOZOIC CENOZOIC > QUATERNARY > HOLOCENE CONTINENT > GEOGRAPHIC REGION > POLAR |
spellingShingle |
climatologyMeteorologyAtmosphere geoscientificInformation inlandWaters GLACIERS EARTH SCIENCE CRYOSPHERE GLACIERS/ICE SHEETS ICE SHEETS GLACIATION PALEOCLIMATE LAND RECORDS MACROFOSSILS MICROFOSSILS PALEOCLIMATE RECONSTRUCTIONS Tasmania Antarctica climate change fossil vegetation types Paleo Start Date Paleo Stop Date PHANEROZOIC > CENOZOIC CENOZOIC > QUATERNARY > HOLOCENE CONTINENT > GEOGRAPHIC REGION > POLAR Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills |
topic_facet |
climatologyMeteorologyAtmosphere geoscientificInformation inlandWaters GLACIERS EARTH SCIENCE CRYOSPHERE GLACIERS/ICE SHEETS ICE SHEETS GLACIATION PALEOCLIMATE LAND RECORDS MACROFOSSILS MICROFOSSILS PALEOCLIMATE RECONSTRUCTIONS Tasmania Antarctica climate change fossil vegetation types Paleo Start Date Paleo Stop Date PHANEROZOIC > CENOZOIC CENOZOIC > QUATERNARY > HOLOCENE CONTINENT > GEOGRAPHIC REGION > POLAR |
description |
Metadata record for data from ASAC Project 275 See the link below for public details on this project. From the abstracts of the referenced papers: The East Antarctica ice sheet advanced onto the continental shelf during the last glaciation but appears to have been thinner (less than 300 m) than previously hypothesised and probably did not everywhere extend to the edge of the continental shelf. Where the shelf is wide, the ice probably terminated against shallow banks on its outer edge. There may not have been time for the sheet to develop the maximum profile form and thickness predicted by Hollin (1962) and Hughes and others (1981) of about 1000-500 m over the shelf. Large outlet glaciers occupied deep troughs that conveyed most of the ice towards the edge of the shelf: intervening areas were less intensely glaciated. Much of the Prince Charles Mountains and Amery Oasis were not ice-covered: Vestfold, Bunger and Casey oases were glaciated. Vestfold and Bunger oases became ice-free after 10 ka BP under the influence of the Holocene marine transgression, which was complete by about 6 ka BP. During at least the last 5-6 ka these oases have been approximately their present size. Since then the margins of the Antarctic continental ice sheet have maintained almost steady state conditions against the landward edges of the hill masses. ###################### Observational studies on Cainozoic environmental changes in both Tasmania and East Antarctica have led to important modifications in the accepted interpretation of the history of glaciation for each area. Many contributors have played an important role in the processes of investigation leading to the present state of knowledge. A crucial role has been played by the integration of the methods. From studies based on combinations of these approaches, a model of multiple glaciations has been developed to explain observed features in Tasmania. This model is complemented by studies of vegetation history, largely through pollen analysis. A less complete picture of the history of ice-sheet fluctuations in East Antarctica is beginning to emerge from similar applications of cross-disciplinary studies. |
author2 |
COLHOUN, ERIC A. (hasPrincipalInvestigator) COLHOUN, ERIC A. (processor) Australian Antarctic Data Centre (publisher) |
format |
Dataset |
title |
Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills |
title_short |
Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills |
title_full |
Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills |
title_fullStr |
Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills |
title_full_unstemmed |
Stability, Glaciological and Depositional Conditions of Continental Ice Sheet Edge at Vestfold Hills |
title_sort |
stability, glaciological and depositional conditions of continental ice sheet edge at vestfold hills |
publisher |
Australian Antarctic Data Centre |
url |
https://researchdata.ands.org.au/stability-glaciological-depositional-vestfold-hills/700018 https://data.aad.gov.au/metadata/records/ASAC_275 http://nla.gov.au/nla.party-617536 |
op_coverage |
Spatial: northlimit=-68.55; southlimit=-68.55; westlimit=78.25; eastLimit=78.25; projection=WGS84 Temporal: From 1987-09-30 to 1995-03-31 |
long_lat |
ENVELOPE(-94.063,-94.063,56.565,56.565) ENVELOPE(67.246,67.246,-71.427,-71.427) ENVELOPE(78.25,78.25,-68.55,-68.55) |
geographic |
Amery Antarctic East Antarctica Prince Charles Mountains The Antarctic Vestfold Vestfold Hills |
geographic_facet |
Amery Antarctic East Antarctica Prince Charles Mountains The Antarctic Vestfold Vestfold Hills |
genre |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Prince Charles Mountains |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Prince Charles Mountains |
op_source |
Australian Antarctic Data Centre |
op_relation |
https://researchdata.ands.org.au/stability-glaciological-depositional-vestfold-hills/700018 37fc735f-2c1d-4983-8a03-e863e58a13df ASAC_275 https://data.aad.gov.au/metadata/records/ASAC_275 http://nla.gov.au/nla.party-617536 |
_version_ |
1766245875481313280 |