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US International Trans-Antarctic Scientific Expedition (US ITASE): GPR Profiles and Accumulation Mapping

Entry ID: NSIDC-0269

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Summary

Abstract: Snow accumulation rates typically show high variability over short distances. This data set contains accumulation rates using ground-penetrating radar (GPR) to detect isochronal layers in the firn in West Antarctica. These layers were then dated using results from ice core analyses. These data show that accumulation rates along this profile have decreased in recent decades. The radar profile extends between two ice core sites taken along one of the US-ITASE traverse routes. Data are available via FTP in both ASCII and Excel formats.

Related URL

Link: GET DATA

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: -77.68

S: -78.08

E: -120.08

W: -123.99

Data Set Citation

Dataset Originator/Creator: V. Spikes, G. Hamilton, P. Mayewski, S. Arcone, S. Kaspari

Dataset Title: US International Trans-Antarctic Scientific Expedition (US ITASE): GPR Profiles and Accumulation Mapping

Dataset Release Date: 2005-04-06

Dataset Release Place: Boulder, CO

Dataset Publisher: National Snow and Ice Data Center (NSIDC)

Online Resource: http://nsidc.org/data/nsidc-0269.html

Temporal Coverage

Start Date: 2000-12-01

Stop Date: 2000-12-31

Location Keywords

CONTINENT > ANTARCTICA

GEOGRAPHIC REGION > POLAR

Science Keywords

CRYOSPHERE > GLACIERS/ICE SHEETS > ICE SHEETS

CRYOSPHERE > GLACIERS/ICE SHEETS > ABLATION ZONES/ACCUMULATION ZONES

TERRESTRIAL HYDROSPHERE > GLACIERS/ICE SHEETS > ABLATION ZONES/ACCUMULATION ZONES

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Platform

GROUND-BASED OBSERVATIONS

Instrument

GPR > Ground Penetrating Radar

Project

US-ITASE > United States - International Trans Antarctic Scientific Expedition

Ancillary Keywords

AGDC

ITASE

Data Set Progress

IN WORK

Originating Center

NSIDC_AGDC

Data Center

National Snow and Ice Data Center

Data Center URL: http://nsidc.org
Dataset ID: NSIDC-0269

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

NSIDC Antarctic Glaciological Data Center

Data Center URL: http://nsidc.org/agdc/
Dataset ID: NSIDC-0269

Data Center Personnel
Name: NSIDC AGDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

NSIDC U.S. Antarctic Data Coordination Center

Data Center URL: http://nsidc.org/usadcc/
Dataset ID: NSIDC-0269

Data Center Personnel
Name: NSIDC USADCC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

Distribution

Distribution Media: FTP

Distribution Size: 1.1 - 2.0 MB

Distribution Format: ASCII file, formatted for text attributes, declared format

Personnel

VANDY B. SPIKES

Role: INVESTIGATOR

Contact Address:

Climate Change Institute

Department of Earth Sciences

University of Maine

City: Orono

Province or State: ME

Postal Code: 04469-5790

Country: USA

Publications/References

Liu, H., K. Jezek, B. Li. 1999. Development of Antarctic digital elevation model by integrating cartographic and remotely sensed data: A geographic information system based approach. Journal of Geophysical Research 104: 23,199-23,213.

Spikes, V.B., G.S. Hamilton, S.A. Arcone, S. Kaspari, and P.A. Mayewski. 2004. Variability in Accumulation Rates from GPR Profiling on the West Antarctic Plateau. Annals of Glaciology 39. In Press.

Creation and Review Dates

DIF Creation Date: 2005-04-05

Last DIF Revision Date: 2010-03-08

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