(Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes

Subglacial hydrology in East Antarctica is poorly understood, yet may be critical to the manner in which ice flows. Data from a new regional airborne geophysical survey (ICECAP) have transformed our understanding of the topography and glaciology associated with the 287,000 km**2 Aurora Subglacial Ba...

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Bibliographic Details
Main Author: Wright, Andrew P
Format: Dataset
Language:English
Published: PANGAEA 2012
Subjects:
Antarctica
Comment
Event label
Ice thickness
Identification
International Polar Year (2007-2008)
IPY
Lake_Aurora
Lake_Concordia
Lake_L1
Latitude of event
Longitude of event
R03Wa_1
R04Ea_9
R05Ea_4
R05Ea_5
R06Wa_4
R07Ea_9
R07Ta_1
R08Wa_0.1
R08Wa_0.2
R13Ea_8
R15Ea_4
Record length
SPRI-28/63
SPRI-33
SPRI-36
SPRI-37
Totten_2
Antarc*
Antarctica Journal
East Antarctica
Ice Sheet
International Polar Year
Totten Glacier
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.842053
https://doi.org/10.1594/PANGAEA.842053
id ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.842053
record_format openpolar
spelling ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.842053 2024-09-15T17:48:06+00:00 (Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes Wright, Andrew P MEDIAN LATITUDE: -73.066500 * MEDIAN LONGITUDE: 123.406080 * SOUTH-BOUND LATITUDE: -75.980514 * WEST-BOUND LONGITUDE: 100.818180 * NORTH-BOUND LATITUDE: -70.433461 * EAST-BOUND LONGITUDE: 135.005142 2012 text/tab-separated-values, 76 data points https://doi.pangaea.de/10.1594/PANGAEA.842053 https://doi.org/10.1594/PANGAEA.842053 en eng PANGAEA Wright, Andrew P; Siegert, Martin J (2011): The identification and physiographical setting of antarctic subglacial lakes: An update based on recent discoveries. In: Antarctic Subglacial Aquatic Environments (eds M. J. Siegert and M. C. Kennicutt), American Geophysical Union, Washington, D. C., 192 https://doi.pangaea.de/10.1594/PANGAEA.842053 https://doi.org/10.1594/PANGAEA.842053 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Wright, Andrew P; Young, Duncan A; Roberts, Jason L; Schroeder, Dustin M; Bamber, Jonathan L; Dowdeswell, Julian A; Young, Neal W; Le Brocq, Anne M; Warner, Roland C; Payne, Antony J; Blankenship, Donald D; van Ommen, Tas D; Siegert, Martin J (2012): Evidence of a hydrological connection between the ice divide and ice sheet margin in the Aurora Subglacial Basin, East Antarctica. Journal of Geophysical Research, 117(F1), F01033, https://doi.org/10.1029/2011JF002066 Antarctica Comment Event label Ice thickness Identification International Polar Year (2007-2008) IPY Lake_Aurora Lake_Concordia Lake_L1 Latitude of event Longitude of event R03Wa_1 R04Ea_9 R05Ea_4 R05Ea_5 R06Wa_4 R07Ea_9 R07Ta_1 R08Wa_0.1 R08Wa_0.2 R13Ea_8 R15Ea_4 Record length SPRI-28/63 SPRI-33 SPRI-36 SPRI-37 Totten_2 dataset 2012 ftpangaea https://doi.org/10.1594/PANGAEA.84205310.1029/2011JF002066 2024-07-24T02:31:33Z Subglacial hydrology in East Antarctica is poorly understood, yet may be critical to the manner in which ice flows. Data from a new regional airborne geophysical survey (ICECAP) have transformed our understanding of the topography and glaciology associated with the 287,000 km**2 Aurora Subglacial Basin in East Antarctica. Using these data, in conjunction with numerical ice sheet modeling, we present a suite of analyses that demonstrate the potential of the 1000 km-long basin as a route for subglacial water drainage from the ice sheet interior to the ice sheet margin. We present results from our analysis of basal topography, bed roughness and radar power reflectance and from our modeling of ice sheet flow and basal ice temperatures. Although no clear-cut subglacial lakes are found within the Aurora Basin itself, dozens of lake-like reflectors are observed that, in conjunction with other results reported here, support the hypothesis that the basin acts as a pathway allowing discharge from subglacial lakes near the Dome C ice divide to reach the coast via the Totten Glacier. Dataset Antarc* Antarctica Antarctica Journal East Antarctica Ice Sheet International Polar Year IPY Totten Glacier PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(100.818180,135.005142,-70.433461,-75.980514)
institution Open Polar
collection PANGAEA - Data Publisher for Earth & Environmental Science
op_collection_id ftpangaea
language English
topic Antarctica
Comment
Event label
Ice thickness
Identification
International Polar Year (2007-2008)
IPY
Lake_Aurora
Lake_Concordia
Lake_L1
Latitude of event
Longitude of event
R03Wa_1
R04Ea_9
R05Ea_4
R05Ea_5
R06Wa_4
R07Ea_9
R07Ta_1
R08Wa_0.1
R08Wa_0.2
R13Ea_8
R15Ea_4
Record length
SPRI-28/63
SPRI-33
SPRI-36
SPRI-37
Totten_2
spellingShingle Antarctica
Comment
Event label
Ice thickness
Identification
International Polar Year (2007-2008)
IPY
Lake_Aurora
Lake_Concordia
Lake_L1
Latitude of event
Longitude of event
R03Wa_1
R04Ea_9
R05Ea_4
R05Ea_5
R06Wa_4
R07Ea_9
R07Ta_1
R08Wa_0.1
R08Wa_0.2
R13Ea_8
R15Ea_4
Record length
SPRI-28/63
SPRI-33
SPRI-36
SPRI-37
Totten_2
Wright, Andrew P
(Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes
topic_facet Antarctica
Comment
Event label
Ice thickness
Identification
International Polar Year (2007-2008)
IPY
Lake_Aurora
Lake_Concordia
Lake_L1
Latitude of event
Longitude of event
R03Wa_1
R04Ea_9
R05Ea_4
R05Ea_5
R06Wa_4
R07Ea_9
R07Ta_1
R08Wa_0.1
R08Wa_0.2
R13Ea_8
R15Ea_4
Record length
SPRI-28/63
SPRI-33
SPRI-36
SPRI-37
Totten_2
description Subglacial hydrology in East Antarctica is poorly understood, yet may be critical to the manner in which ice flows. Data from a new regional airborne geophysical survey (ICECAP) have transformed our understanding of the topography and glaciology associated with the 287,000 km**2 Aurora Subglacial Basin in East Antarctica. Using these data, in conjunction with numerical ice sheet modeling, we present a suite of analyses that demonstrate the potential of the 1000 km-long basin as a route for subglacial water drainage from the ice sheet interior to the ice sheet margin. We present results from our analysis of basal topography, bed roughness and radar power reflectance and from our modeling of ice sheet flow and basal ice temperatures. Although no clear-cut subglacial lakes are found within the Aurora Basin itself, dozens of lake-like reflectors are observed that, in conjunction with other results reported here, support the hypothesis that the basin acts as a pathway allowing discharge from subglacial lakes near the Dome C ice divide to reach the coast via the Totten Glacier.
format Dataset
author Wright, Andrew P
author_facet Wright, Andrew P
author_sort Wright, Andrew P
title (Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes
title_short (Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes
title_full (Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes
title_fullStr (Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes
title_full_unstemmed (Table 1) Ice thickness of new subglacial lakes identified in the ICECAP RES data and of previously known subglacial lakes
title_sort (table 1) ice thickness of new subglacial lakes identified in the icecap res data and of previously known subglacial lakes
publisher PANGAEA
publishDate 2012
url https://doi.pangaea.de/10.1594/PANGAEA.842053
https://doi.org/10.1594/PANGAEA.842053
op_coverage MEDIAN LATITUDE: -73.066500 * MEDIAN LONGITUDE: 123.406080 * SOUTH-BOUND LATITUDE: -75.980514 * WEST-BOUND LONGITUDE: 100.818180 * NORTH-BOUND LATITUDE: -70.433461 * EAST-BOUND LONGITUDE: 135.005142
long_lat ENVELOPE(100.818180,135.005142,-70.433461,-75.980514)
genre Antarc*
Antarctica
Antarctica Journal
East Antarctica
Ice Sheet
International Polar Year
IPY
Totten Glacier
genre_facet Antarc*
Antarctica
Antarctica Journal
East Antarctica
Ice Sheet
International Polar Year
IPY
Totten Glacier
op_source Supplement to: Wright, Andrew P; Young, Duncan A; Roberts, Jason L; Schroeder, Dustin M; Bamber, Jonathan L; Dowdeswell, Julian A; Young, Neal W; Le Brocq, Anne M; Warner, Roland C; Payne, Antony J; Blankenship, Donald D; van Ommen, Tas D; Siegert, Martin J (2012): Evidence of a hydrological connection between the ice divide and ice sheet margin in the Aurora Subglacial Basin, East Antarctica. Journal of Geophysical Research, 117(F1), F01033, https://doi.org/10.1029/2011JF002066
op_relation Wright, Andrew P; Siegert, Martin J (2011): The identification and physiographical setting of antarctic subglacial lakes: An update based on recent discoveries. In: Antarctic Subglacial Aquatic Environments (eds M. J. Siegert and M. C. Kennicutt), American Geophysical Union, Washington, D. C., 192
https://doi.pangaea.de/10.1594/PANGAEA.842053
https://doi.org/10.1594/PANGAEA.842053
op_rights CC-BY-3.0: Creative Commons Attribution 3.0 Unported
Access constraints: unrestricted
info:eu-repo/semantics/openAccess
op_doi https://doi.org/10.1594/PANGAEA.84205310.1029/2011JF002066
_version_ 1810289131631149056

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