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Measurements of the physical properties of Antarctic fast ice and their variations throughout the growth season

Federal Geographic Data Committee (FGDC) Metadata:

Identification_Information
Data_Quality_Information
Spatial_Reference_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Unknown
Publication_Date: Unknown
Title: Measurements of the physical properties of Antarctic fast ice and their variations throughout the growth season

Description:

Abstract:: The physical properties of Antarctic fast ice were investigated throughout a full year of growth. The aim of the project was three fold; 1) to document the basic physical properties of Antarctic fast ice (salinity, temperature, crystal structure, brine volume, sub ice platelet thickness, ice thickness and snow cover depth and density) and their variations throughout the growth season, 2) to measure the energy fluxes associated with ice growth over the same period in order to assess the applicability of thermodynamic ice growth models developed for the Arctic to Antarctica sea ice and 3) to measure the nature and magnitude of propagating flexural gravity waves in the ice. Almost all of the measurements were conducted on second year ice at a site roughly 1.5km directly offshore from Scott Base. Several transects were made in late winter and spring in which the ice, snow and sub ice platelet thicknesses were measured over a much greater area. Micro-meteorological data was collected including in-ice temperature profiles, net radiation, wind direction and two levels of each wind speed, air temperature and humidity. Strain gauges were installed at the site over water 290 m deep. Three gauges were bolted to the ice surface in a rosette pattern, at 120 degree angles. This pattern enables not only the strain experienced by individual gauges to be recorded, but allows the maximum strain in the horizontal plain and the direction of wave propagation to be determined as well.
Purpose:: Not Available
Supplemental_Information:: REFERENCE: Crocker, G.B. Wadhams, P. 1988 Observations of wind-generated waves in Antarctic fast ice. Journal of physical oceanography 18(9): 1292-1299
Supplemental_Information:: REFERENCE: Crocker, G.B. 1988 Studies of McMurdo Sound fast ice. New Zealand Antarctic record 8(2): 20-25
Supplemental_Information:: REFERENCE: Crocker, G.B. Wadhams, P. 1989 Breakup of Antarctic fast ice. Cold regions science and technology 17: 61-76
Supplemental_Information:: REFERENCE: Crocker, G.B. Wadhams, P. 1989 Modelling Antarctic fast-ice growth. Journal of glaciology 35(119): 3-8
Supplemental_Information:: REFERENCE: Crocker, G. B. 1988. Physical processes in Antarctic landfast sea ice, PhD thesis, University of Cambridge, England.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 19860120
Ending_Date: 19861029

Currentness_Reference:Unknown

Status:

Progress: Complete
Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: 166.6667
East_Bounding_Coordinate: 166.6667
North_Bounding_Coordinate: -77.85
South_Bounding_Coordinate: -77.85

Keywords:

Theme:

Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: GCMD PLATFORM
Theme_Keyword_Thesaurus: GCMD INSTRUMENT
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword_Thesaurus: DATA SET LANGUAGE
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN WAVES > GRAVITY WAVES
Theme_Keyword: EARTH SCIENCE > OCEANS > SEA ICE > ICE DEPTH/THICKNESS
Theme_Keyword: EARTH SCIENCE > OCEANS > SEA ICE > ICE GROWTH/MELT
Theme_Keyword: EARTH SCIENCE > OCEANS > SEA ICE > ICE TEMPERATURE
Theme_Keyword: EARTH SCIENCE > OCEANS > SEA ICE > SNOW DEPTH
Theme_Keyword: EARTH SCIENCE > OCEANS > SEA ICE > SALINITY
Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > ICEBERGS
Theme_Keyword: FIELD SURVEYS
Theme_Keyword: FIELD INVESTIGATION
Theme_Keyword: STRAIN METER
Theme_Keyword: OCEANS
Theme_Keyword: ENGLISH

Place:

Place_Keyword_Thesaurus: GCMD
Place_Keyword: CONTINENT > ANTARCTICA
Place_Keyword: CONTINENT > ANTARCTICA > MCMURDO SOUND
Place_Keyword: GEOGRAPHIC REGION > POLAR

Access_Constraints: Not Available

Use_Constraints:

Not Available

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: GREG CROCKER

Contact_Position: INVESTIGATOR

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Ballicater Consulting Ltd
Address: 49 Kensington Ave
City: Kingston
State_or_Province: Ontario
Postal_Code: K7L 4B4
Country: CANADA

Contact_Facsimile_Telephone: +01 613 531 3675

Contact_Electronic_Mail_Address: ballicater@sympatico.ca

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:: Not Available

Logical_Consistency_Report:

Not Available

Completeness_Report:

Not Available

Lineage:

Process_Step:

Process_Description:: Not Available
Process_Date: Unknown

Spatial_Reference_Information:

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NZ/NZAI/ANZ > Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand
Contact_Person: SHULAMIT GORDON

Contact_Position: DATA CENTER CONTACT

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch
Country: New Zealand

Contact_Voice_Telephone: +64 3 358 0200

Contact_Facsimile_Telephone: +64 3 358 0211

Contact_Electronic_Mail_Address: s.gordon@antarcticanz.govt.nz

Resource_Description: K213_1986_1987_NZ_1

Distribution_Liability:

Not Available

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: Not Available

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:: http://www.antarcticanz.govt.nz/

Access_Instructions:

DATA CENTER URL

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:: http://hooke.lib.cam.ac.uk/cgi-bin/bib_seek.cgi?ca...

Access_Instructions:

The online link to Greg Crockers PhD thesis at the University of Cambridge, UK.

Fees: Not Available

Metadata_Reference_Information:

Metadata_Date: 20090619

Metadata_Review_Date: 20090622

Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: CEISHA POIROT

Contact_Person_Primary:

Contact_Person: SHULAMIT GORDON

Contact_Position: DIF AUTHOR

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch
Country: New Zealand

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch
Country: New Zealand

Contact_Voice_Telephone: +64 3 358 0200

Contact_Facsimile_Telephone: +64 3 358 0211

Contact_Electronic_Mail_Address: c.poirot@antarcticanz.govt.nz

Contact_Electronic_Mail_Address: s.gordon@antarcticanz.govt.nz

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

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