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Temperature, salinity and current turbulence along an east to west transect across McMurdo Sound

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: Temperature, salinity and current turbulence along an east to west transect across McMurdo Sound

Description:

Abstract:: The oceanography of McMurdo Sound was investigated by collecting current meter data, water samples, ice cores, under ice turbulence and Conductivity (salinity)-Temperature-Depth (CTD) profiles of the full depth of the water column were collected along an east to west transect across the sound. At each site, approximately 5 kms apart, a hole was drilled in the ice, observations of temperature, salinity and current turbulence were recorded. Two fixed moorings were deployed at each end of the traverse line for the period of the traverse to provide reference points for the oceanographic observations. Isotope measurements were taken from water samples collected from 10m and 200m at each transect site. Additional cores were sectioned and viewed under cross-polarised light in order to determine the ice structure. It is intended that the research carried out here will in time be able to be applied to a much wider Antarctic marine environment and consequently lead to a greater understanding of the relationship between the sea ice and the underlying ocean. The CTD profiles will be used to describe the water column structure of the sound and to investigate spatial variability in distribution of water masses, particularly Ice Shelf Water (ISW). Comparison with platelet ice abundance measurements from ice cores collected from the same sites will help to identify a causal link between flow of ISW, formation of frazil ice in the water column, and deposition of platelet ice as a method of sea-ice growth. To characterise the relationship between the sea ice, ocean and atmosphere of Antarctica ice cores and water samples were taken in order to better understand and predict high-latitude coupled climate variability, and to underpin the management of Antarctica and the Southern Ocean in the context of the global climate system. It concentrates on the climate-related processes occurring within McMurdo Sound to the marginal ice zone. It covers a range of scales, from microns in structure of sea ice, to the order of thousands of kilometres in the process of sea ice dispersal in the Southern Ocean, and the relationships linking Antarctica to global climate variability and change.Ice core, water
Purpose:: Not Available
Supplemental_Information:: REFERENCE: Dempsey, D.E., Langhorne, P.J., Robinson, N.J., Williams, M.J.M., Haskell, T.G. and Frew, R.D. 2010. Observation and modelling of platelet ice fabric in McMurdo Sound, Antarctica. Journal of Geophysical Research 115: CO1007, doi: 10.1029/2008JC005264.
Supplemental_Information:: REFERENCE: Robinson, N. 2008 Heartbeat of the global ocean: Antarctic sea ice and the climate system. New Zealand science teacher 118: 20-22.
Supplemental_Information:: REFERENCE: Stevens, C.L., Robinson, N.J., Williams, M.J.M., Haskell, T.G. 2009. Observations of turbulence beneath sea ice in southern McMurdo Sound, Antarctica. Ocean science 5: 435-445.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20071111
Ending_Date: 20071211

Currentness_Reference:Unknown

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20080907
Ending_Date: 20081008

Currentness_Reference:Unknown

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20101112
Ending_Date: 20110208

Currentness_Reference:Unknown

Status:

Progress: Complete
Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: 164.0
East_Bounding_Coordinate: 167.0
North_Bounding_Coordinate: -77.5833
South_Bounding_Coordinate: -77.8667

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: 166.3333
East_Bounding_Coordinate: 166.73
North_Bounding_Coordinate: -77.7
South_Bounding_Coordinate: -77.8833

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: 166.50166
East_Bounding_Coordinate: 166.79053
North_Bounding_Coordinate: -77.79228
South_Bounding_Coordinate: -77.883934

Keywords:

Theme:

Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: GCMD PLATFORM
Theme_Keyword_Thesaurus: GCMD INSTRUMENT
Theme_Keyword_Thesaurus: PROJECT
Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword_Thesaurus: DATA SET LANGUAGE
Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEFORMATION
Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEPTH/THICKNESS
Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE GROWTH/MELT
Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TEMPERATURE
Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TYPES
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > ADVECTION
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > BUOY POSITION
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > DIFFUSION
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN CURRENTS
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > OCEAN MIXED LAYER
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN CIRCULATION > TURBULENCE
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > OCEAN MIXED LAYER
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > THERMOCLINE
Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE
Theme_Keyword: EARTH SCIENCE > OCEANS > SALINITY/DENSITY > CONDUCTIVITY
Theme_Keyword: EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY
Theme_Keyword: EARTH SCIENCE > OCEANS > SALINITY/DENSITY > PYCNOCLINE
Theme_Keyword: EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY
Theme_Keyword: EARTH SCIENCE > OCEANS > SALINITY/DENSITY
Theme_Keyword: FIELD SURVEYS
Theme_Keyword: FIELD INVESTIGATION
Theme_Keyword: CORING DEVICES
Theme_Keyword: CTD > CONDUCTIVITY, TEMPERATURE, DEPTH
Theme_Keyword: CURRENT METERS
Theme_Keyword: SURVEYING TOOLS
Theme_Keyword: GPS > GLOBAL POSITIONING SYSTEM
Theme_Keyword: IPY > INTERNATIONAL POLAR YEAR
Theme_Keyword: Oceanography
Theme_Keyword: Sea Ice
Theme_Keyword: Water Column
Theme_Keyword: OCEANS
Theme_Keyword: ENGLISH

Place:

Place_Keyword_Thesaurus: GCMD
Place_Keyword: CONTINENT > ANTARCTICA
Place_Keyword: CONTINENT > ANTARCTICA > NEW HARBOUR
Place_Keyword: GEOGRAPHIC REGION > POLAR
Place_Keyword: CONTINENT > ANTARCTICA > ROSS ISLAND

Access_Constraints: Not Available

Use_Constraints:

Not Available

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: TIM HASKELL

Contact_Person_Primary:

Contact_Person: PAT J LANGHORNE

Contact_Position: INVESTIGATOR

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Industrial Research Ltd.
Address: Gracefield Road
Address: PO BOX 31310
City: Lower Hutt
Country: New Zealand

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Department of Physics
Address: University of Otago
Address: PO BOX 56
City: Dunedin
Postal_Code: 9054
Country: New Zealand

Contact_Voice_Telephone: +64 4 931 3000

Contact_Voice_Telephone: +64 3 479 7787

Contact_Facsimile_Telephone: +64 4 931 3754

Contact_Facsimile_Telephone: +64 3 479 0964

Contact_Electronic_Mail_Address: t.haskell@irl.cri.nz

Contact_Electronic_Mail_Address: pjl@physics.otago.ac.nz

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:: The water column data is held by NIWA in machine readable form. Please contact Mike Williams: m.williams@niwa.co.nz Sea ice data is held at the University of Otago. Some data in machine readable form, most in lab note books or photographic images. Please contact Pat Langhorne: pjl@physics.otago.ac.nz Please contact the investigators for more information.

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: CAROLINE MACLAURIN

Contact_Position: DATA CENTER CONTACT

Contact_Address:

Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch 8140
Country: New Zealand

Contact_Voice_Telephone: (03) 358 0200

Contact_Facsimile_Telephone: (03) 358 0211

Contact_Electronic_Mail_Address: c.maclaurin@antarcticanz.govt.nz

Resource_Description: K131_2007_2010_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://classic.ipy.org/development/eoi/details.php...

Access_Instructions:

Antarctic Fast ice Network IPY proposal

Fees: Not Available

Metadata_Reference_Information:

Metadata_Date: 20090211

Metadata_Review_Date: 20120531

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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