Data

ASPeCt bridge-based sea-ice observations - 2007 to 2013

Australian Antarctic Division
Heil, P. Worby, A.P., Steer, A., Massom, R. and Lieser, J. ; HEIL, PETRA ; WORBY, ANTHONY PETER ; STEER, ADAM ; MASSOM, ROB ; LIESER, JAN
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.aad.gov.au/metadata/ASPECT_2007_2013&rft.title=ASPeCt bridge-based sea-ice observations - 2007 to 2013&rft.identifier=http://data.aad.gov.au/metadata/ASPECT_2007_2013&rft.publisher=Australian Antarctic Data Centre&rft.description=The Antarctic Sea ice Processes and Climate [ASPeCt] data sets submitted here have been collected systematically from the bridge of an icebreaker, while it transited through the pack ice. Quantifiable observations of sea ice thickness and related characteristics of the sea ice, snow, ocean and surface atmosphere are recorded hourly while the vessel moves through the sea ice. If the vessel is stopped or has not moved at least 6nm since the previous observation, no observation will be conducted. The observation protocol has been endorsed by the Scientific Commission for Antarctic Research (under their ASPeCt programme) as the preferred method for conducting ship-based observations of sea-ice characteristics. Details can be found in Worby and Allison [1999]The spreadsheet information below is also included in the word document in the download file.The relevant spreadsheets (xls files) contain the following information: Header name    Physical parameter    UnitYear    Year    Date    Day/Month/Year    Julian Day    Day of year    Time (UT)    Time of day in Universal time: Hours/Minutes/Seconds    Lat (oN)    Latitude    oNLon(oE)        oEConc    Total ice concentration    TenthOW    Open-water classification    See Worby and Allison [1999]c1    Ice concentration of primary ice category    Tenthty1    Ice type of primary ice category    See Worby and Allison [1999]iz1    Thickness of primary ice category    cmf1    Floe size of primary ice category    See Worby and Allison [1999]t1    Topography of primary ice category    See Worby and Allison [1999]s1    Snow type on primary ice category    See Worby and Allison [1999]sz1    Snow thickness on primary ice category    cmc2    Ice concentration of secondary ice category    Tenthty2    Ice type of secondary ice category    See Worby and Allison [1999]iz2    Thickness of secondary ice category    cmf2    Floe size of secondary ice category    See Worby and Allison [1999]t2    Topography of secondary ice category    See Worby and Allison [1999]s2    Snow type on secondary ice category    See Worby and Allison [1999]sz2    Snow thickness on secondary ice category    cmc3    Ice concentration of tertiary ice category    Tenthty3    Ice type of tertiary ice category    See Worby and Allison [1999]iz3    Thickness of tertiary ice category    cmf3    Floe size of tertiary ice category    See Worby and Allison [1999]t3    Topography of tertiary ice category    See Worby and Allison [1999]s3    Snow type on tertiary ice category    See Worby and Allison [1999]sz3    Snow thickness on tertiary ice category    cmSea    Sea-surface temperature    oCAir    Surface-air temperature    oCProgress Code: completedStatement: Data were collected on the following voyages: V6 2007/08 V1 2008/09 V1 2009/10 V1 2010/11 V1 2012/13&rft.creator=Heil, P. Worby, A.P., Steer, A., Massom, R. and Lieser, J. &rft.creator=HEIL, PETRA &rft.creator=WORBY, ANTHONY PETER &rft.creator=STEER, ADAM &rft.creator=MASSOM, ROB &rft.creator=LIESER, JAN &rft.date=2014&rft.coverage=westlimit=60; southlimit=-67.4; eastlimit=150; northlimit=-58&rft.coverage=westlimit=60; southlimit=-67.4; eastlimit=150; northlimit=-58&rft_rights=These data are publicly available for download from the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASPECT_2007_2013 when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=oceans&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > ICE TYPES&rft_subject=EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEPTH/THICKNESS&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EDGES&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TYPES&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > SNOW DEPTH&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > ICE FLOES&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EXTENT&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE FLOES&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > PACK ICE&rft_subject=EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > ICE DEPTH/THICKNESS&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > ICE EDGES&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > PACK ICE&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE CONCENTRATION&rft_subject=EARTH SCIENCE > OCEANS > SEA ICE > SNOW DEPTH&rft_subject=EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE&rft_subject=Sea Ice&rft_subject=ASPECT&rft_subject=VISUAL OBSERVATIONS&rft_subject=R/V AA > R/V Aurora Australis&rft_subject=SHIPS&rft_subject=ASPECT > Antarctic Sea Ice Processes and Climate&rft_subject=AMD&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=ACE/CRC&rft_subject=CONTINENT > ANTARCTICA&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

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CC-BY

Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

These data are publicly available for download from the provided URL.

This data set conforms to the CCBY Attribution License
(http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASPECT_2007_2013 when using these data.

This metadata record is publicly available.

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Full description

The Antarctic Sea ice Processes and Climate [ASPeCt] data sets submitted here have been collected systematically from the bridge of an icebreaker, while it transited through the pack ice. Quantifiable observations of sea ice thickness and related characteristics of the sea ice, snow, ocean and surface atmosphere are recorded hourly while the vessel moves through the sea ice. If the vessel is stopped or has not moved at least 6nm since the previous observation, no observation will be conducted. The observation protocol has been endorsed by the Scientific Commission for Antarctic Research (under their ASPeCt programme) as the preferred method for conducting ship-based observations of sea-ice characteristics. Details can be found in Worby and Allison [1999]

The spreadsheet information below is also included in the word document in the download file.

The relevant spreadsheets (xls files) contain the following information:
Header name    Physical parameter    Unit
Year    Year    
Date    Day/Month/Year    
Julian Day    Day of year    
Time (UT)    Time of day in Universal time: Hours/Minutes/Seconds    
Lat (oN)    Latitude    oN
Lon(oE)        oE
Conc    Total ice concentration    Tenth
OW    Open-water classification    See Worby and Allison [1999]
c1    Ice concentration of primary ice category    Tenth
ty1    Ice type of primary ice category    See Worby and Allison [1999]
iz1    Thickness of primary ice category    cm
f1    Floe size of primary ice category    See Worby and Allison [1999]
t1    Topography of primary ice category    See Worby and Allison [1999]
s1    Snow type on primary ice category    See Worby and Allison [1999]
sz1    Snow thickness on primary ice category    cm
c2    Ice concentration of secondary ice category    Tenth
ty2    Ice type of secondary ice category    See Worby and Allison [1999]
iz2    Thickness of secondary ice category    cm
f2    Floe size of secondary ice category    See Worby and Allison [1999]
t2    Topography of secondary ice category    See Worby and Allison [1999]
s2    Snow type on secondary ice category    See Worby and Allison [1999]
sz2    Snow thickness on secondary ice category    cm
c3    Ice concentration of tertiary ice category    Tenth
ty3    Ice type of tertiary ice category    See Worby and Allison [1999]
iz3    Thickness of tertiary ice category    cm
f3    Floe size of tertiary ice category    See Worby and Allison [1999]
t3    Topography of tertiary ice category    See Worby and Allison [1999]
s3    Snow type on tertiary ice category    See Worby and Allison [1999]
sz3    Snow thickness on tertiary ice category    cm
Sea    Sea-surface temperature    oC
Air    Surface-air temperature    oC

Lineage

Progress Code: completed
Statement: Data were collected on the following voyages: V6 2007/08 V1 2008/09 V1 2009/10 V1 2010/11 V1 2012/13

Data time period: 2007-10-01 to 2013-03-31

This dataset is part of a larger collection

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150,-58 150,-67.4 60,-67.4 60,-58 150,-58

105,-62.7

text: westlimit=60; southlimit=-67.4; eastlimit=150; northlimit=-58

Subjects
ACE/CRC | AMD | AMD/AU | ASPECT | ASPECT > Antarctic Sea Ice Processes and Climate | CEOS | CONTINENT > ANTARCTICA | EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE | EARTH SCIENCE > CRYOSPHERE > SEA ICE | EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEPTH/THICKNESS | EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EDGES | EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE EXTENT | EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE FLOES | EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TYPES | EARTH SCIENCE > CRYOSPHERE > SEA ICE > PACK ICE | EARTH SCIENCE > CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION | EARTH SCIENCE > CRYOSPHERE > SEA ICE > SNOW DEPTH | EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE | EARTH SCIENCE > OCEANS > SEA ICE | EARTH SCIENCE > OCEANS > SEA ICE > ICE DEPTH/THICKNESS | EARTH SCIENCE > OCEANS > SEA ICE > ICE EDGES | EARTH SCIENCE > OCEANS > SEA ICE > ICE EXTENT | EARTH SCIENCE > OCEANS > SEA ICE > ICE FLOES | EARTH SCIENCE > OCEANS > SEA ICE > ICE TYPES | EARTH SCIENCE > OCEANS > SEA ICE > PACK ICE | EARTH SCIENCE > OCEANS > SEA ICE > SEA ICE CONCENTRATION | EARTH SCIENCE > OCEANS > SEA ICE > SNOW DEPTH | GEOGRAPHIC REGION > POLAR | OCEAN > SOUTHERN OCEAN | R/V AA > R/V Aurora Australis | SHIPS | Sea Ice | VISUAL OBSERVATIONS | oceans |

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Other Information
Download point for the data (GET DATA > DIRECT DOWNLOAD)

uri : https://data.aad.gov.au/eds/3876/download

Public information for ASAC project 3113 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=3113

Public information for ASAC project 4072 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=4072

Public information for ASAC project 4073 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=4073

Download the ASPECT Report - A Technique for Making Ship-Based Observations of Antarctic Sea Ice Thickness and Characteristics (VIEW RELATED INFORMATION)

uri : https://data.aad.gov.au/eds/4136/download

Citation reference for this metadata record and dataset (VIEW RELATED INFORMATION)

uri : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASPECT_2007_2013

Identifiers
  • global : ASPECT_2007_2013