c-Axis Fabric of the South Pole Ice Core, SPC14


Dataset Identification:

Resource Abstract:
Abstract: Thin sections of the South Pole Ice Core, SPC14, were prepared from samples taken every ~20 meters starting at 100 meters depth. Samples from 140 meters to 1739 meters depth were analyzed to determine the c-axis fabric of the grains. The ice is generally fine-grained, with the samples at 100 and 120 meters depth too fine grained for successful analysis, but sufficient grain growth having occurred for analysis of all deeper samples. The c-axis fabric was measured on the automated c-axis fabric analyzer located at Penn State University, designed and built by Larry Wilen. Raw data is in the form of multiple images of the ice thin section taken at defined angles under cross polarized light. The images are analyzed to determine position of the extinction minimum of each grain within the thin section, this being the orientation of the c-axis of that grain. During processing, the area of each analyzed grain is also measured. Shallow samples show a fairly random distribution, although with a slight tendency for clustering of c-axes toward the vertical. With increasing depth, the c-axes rotate toward a vertical plane with a slight additional tendency of clustering toward the vertical within that plane. The core was not oriented during collection, so it is not possible to unambiguously tell how the vertical plane is related to ice flow, but physical understanding indicates that it is transverse to flow.
Citation
Title  c-Axis Fabric of the South Pole Ice Core, SPC14
publication date 2017-09-20
cited responsible party - author
individual Name  Voigt, Donald
Contact information
Postal Address:
electronic Mail Address: dev2@psu.edu
Linkage for online resource
URL: http://orcid.org/ORCID:0000-0002-3984-4919
protocol  ORCID
cited responsible party - publisher
organisation Name  U.S. Antarctic Program (USAP) Data Center
No contact information provided.
Topic Category:   geoscientificInformation
Keywords:
Resource language:   eng
Resource progress code:   Complete
Constraints on resource usage:
Constraints
Use limitation statement:
Creative Commons Attribution-NonCommercial-Share Alike 3.0 United States [CC BY-NC-SA 3.0]
Constraints on resource usage:
Legal Constraints
Access Constraints   license
Other constraints
Creative Commons Attribution-NonCommercial-Share Alike 3.0 United States [CC BY-NC-SA 3.0]
Constraints on resource usage:
Security Constraints
Classification  unclassified
Format
Format name
Format version  1
Resource extent
Extent description
South Pole
Resource extent
Temporal Extent
2015-12-05 2016-01-23
Credits:
funderName:NSF:GEO:OPP:Antarctic Glaciology awardNumber:1542778 awardTitle:Climate History and Flow Processes from Physical Analyses of the SPICECORE South Pole Ice Core
point of contact - pointOfContact
individual Name  missing
Contact information
No address provided.
Linkage for online resource
URL: http://orcid.org/ORCID:0000-0002-3984-4919
protocol  ORCID
Back to top:

Resource distribution information

Digital Transfer Options
Linkage for online resource
name  Landing Page
URL: http://dx.doi.org/10.15784/601057
protocol  WWW:LINK-1.0-http--link
link function  information
Description  Link to DOI landing page or data facility landing page if no DOI is assigned.
Linkage for online resource
name  landing page
URL: http://www.usap-dc.org/view/dataset/601057
protocol  WWW:LINK-1.0-http--link
link function  information
Description  Link to a web page related to the resource.
Back to top

Metadata Information

Metadata data stamp:  2018-05-17
Resource Maintenance Information
maintenance or update frequency:
notes:  This metadata record was generated by an xslt transformation from a DataCite metadata record; The transform was created by Damian Ulbricht and Stephen M. Richard. 2017-11-15 these records include new IEDA keywords for geoportal facets Run on 2018-06-21T19:05:26-07:00
Metadata contact - pointOfContact
organisation Name  Interdisciplinary Earth Data Alliance
Contact information
Postal Address:
electronic Mail Address: web@usap-dc.org
Linkage for online resource
URL: http://www.usap-dc.org/static/imgs/header/usaplogo.png
link function  browseGraphic
Metadata scope code  dataset
Metadata hierarchy level name:  Dataset
Metadata language   eng
Metadata character set encoding:   utf8
Metadata standard for this record:  ISO 19139 Geographic Information - Metadata - Implementation Specification
standard version:  2007
Metadata record identifier:  urn:ieda:metadataabout:10.15784-601057
Back to top

Metadata record format is ISO19139 XML (MD_Metadata)