Investigation of the Holocene climate history from analysis of the glacial system, ice cores and snow samples from the Whitehall Glacier, Victoria Land Coast, Antarctica Entry ID:
K049_1999_2008_NZ_9
Abstract:
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the Whitehall Glacier. GPR/GPS (8, 35, 200 and 500MHz) surveys were carried out to provide an image of the internal layering of the glacier and to map the topography of the bedrock-ice interface and internal flow structures beneath the glacier. Snow sequences were sampled with high (1cm) resolution for analysis on snow chemistry, isotopic composition, dust content and mineralogy. The ice cores and snow samples were measured for major cations, anions and methylsulfonate, trace elements, oxygen and hydrogen isotope ratio, gas analysis in ice core bubbles (CO2 and CH4), dust concentration and mineralogy, Si detection and tritium concentration and dating the ice core. A 100m core was extracted, measured and logged. Each 1m long core had its core temperature measured (within 5 mins of core recovery), weighed to calculate density and determine the depth of bubble close off and firn/ice transition and investigated for crystal structure, melt and dust/tephra layer occurrence. Analysis of volume, grain size and mineralogy was taken to determine the source and to infer wind pattern and strength. Small chips were used to study gas bubble properties (including porosity, gas bubble size and geometry). The borehole was measured for temperature and light penetrations after drilling.
Related URL
Link:
GET DATA
Description:
The IGS global system of satellite tracking stations, Data Centers, and Analysis Centers puts high-quality GPS data and data products on line in near real time to meet the objectives of a wide range of scientific and engineering applications and studies.
Link:
GET DATA
Description:
The ice reader database hosts basic data from ice cores of the Antarctic Continent. The goal is to compile a complete list of cores by name, site, location and as much other information as possible
Link:
GET DATA
Description:
Publishing Network for Geoscientific & Environmental Data This database contains information regarding stable oxygen isotopes of snow pits at four sites: Polar Plateau, Victoria Lower Glacier, Wilson Piedmont Glacier and Baldwin Valley Glacier
The project is currently ongoing an some of the data is available in various databases which are constantly changing. The investigator is the best person to contact for access to the data.
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
NANCY
BERTLER Role:
INVESTIGATOR
Phone:
+64 4 463 6196
Fax:
+64 4 463 5186
Email:
Nancy.Bertler at vuw.ac.nz
Contact Address:
Antarctic Research Center
Victoria University of Wellington
PO BOX 600 City:
Wellington
Postal Code:
6140
Country:
New Zealand
CEISHA
POIROT Role:
DIF AUTHOR
Phone:
+64 3 358 0200
Fax:
+64 3 358 0211
Email:
c.poirot at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745 City:
Christchurch
Country:
New Zealand
SHULAMIT
GORDON Role:
DIF AUTHOR
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
Creation and Review Dates
DIF Creation Date:
2005-09-22
Last DIF Revision Date:
2009-05-01
