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Determination of the thermal conductivity of sea ice from measurements of ice temperature (and temperature gradients), salinity, ice microstructure and other environmental parameters

Entry ID: K131_2002_2004_NZ_1

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Summary

Abstract: The polar oceans' sea ice cover strongly modifies ocean-atmosphere heat transfer. Despite its importance, existing circulation models and large scale sea ice models include overly simplistic parameterizations of the ice thermal conductivity that are likely to contribute to significant errors in estimating ice production rates. A set of field measurements in McMurdo Sound, Antarctica and Barrow, ...

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Description: Data provided here have been collected as part of the project "Measurements and Improved Parameterization of the Thermal Conductivity and Heat Flow through First-Year Sea Ice", OPP-0126007* and include measurements of temperature and various ice properties at selected sites in first-year and multiyear sea ice in McMurdo Sound, Antarctica in the years 2002-2004. Data from earlier installations of thermistor chains for measurements of ice temperature carried out by the New Zealand team have also been included. Data files are in Microsoft Excel format, with individual worksheets for specific cores or temperature data sets. Detailed information and comments on data sampling location etc. are provided in the files.

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: -77.5

S: -77.92

E: 167.0

W: 166.0

Temporal Coverage

Start Date: 2003-01-06

Stop Date: 2003-01-26

Start Date: 2003-11-02

Stop Date: 2003-11-14

Location Keywords

CONTINENT > ANTARCTICA

CONTINENT > ANTARCTICA > MCMURDO SOUND

GEOGRAPHIC REGION > POLAR

Science Keywords

OCEANS > SEA ICE > ICE TEMPERATURE

OCEANS > SEA ICE > ICE TYPES

OCEANS > SEA ICE > SALINITY

ISO Topic Category

OCEANS

Platform

FIELD SURVEYS

FIELD INVESTIGATION

Instrument

CORING DEVICES

THERMISTORS

Quality The data is in the publications and held at the University of Otago and Victoria University of Wellington. Please contact the investigators for more information.

Ancillary Keywords

THERMAL CONDUCTIVITY

ICE MICROSTRUCTURE

ICE FORMATION

Data Set Progress

COMPLETE

Data Center

Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand

Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON Phone: +64 3 358 0200 Fax: +64 3 358 0211 Email: s.gordon at antarcticanz.govt.nz Contact Address: Antarctica New Zealand Private Bag 4745 City: Christchurch Country: New Zealand

Personnel

TIM HASKELL

Role: INVESTIGATOR

Phone: +64 4 931 3000

Fax: +64 4 931 3754

Email: t.haskell at irl.cri.nz

Contact Address:

Industrial Research Ltd.

Gracefield Road

PO BOX 31310

City: Lower Hutt

Country: New Zealand

Publications/References

Pringle, D.J. Trodahl, H.J. Haskell, T.J. Direct measurement of sea ice thermal conductivity: No surface reduction. Journal of geophysical research 111: C5, 2006.

Creation and Review Dates

DIF Creation Date: 2009-02-11

Last DIF Revision Date: 2009-03-16

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