[Keyword='microstructure']
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Advanced Microstructural Characterization of Polar Ice Cores
Entry ID:
baker_0738975
Summary
Abstract:
This award supports a project to use advanced microscopic and spectroscopic techniques to explore critical questions about microstructure in ice cores, in particular the microstructural locations of impurities, complete grain orientations, and microstructures associated with specific stress regimes or imposed strain.
Purpose: This work complements the visual stratigraphy, electrical conductivity measurement, and precise, detailed measurements of the soluble ion and gas contents that are performed by other researchers. Visual stratigraphy, ECM, ion chromatography and stable isotope analysis of ice cores contribute immensely to our understanding of paleoclimate and, to our ability to predict future climate change. We use ... 
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Data Set Citation
Dataset Originator/Creator:
Rachel Obbard
Dataset Title:
Mean and median grain area and grain perimeter from 7 depths of Siple Dome (SDMA) between 640 m and 790 m.
Dataset Release Date:
September 21, 2012
Dataset Release Place:
14 Engineering Drive Hanover, NH. 03755 USA
Dataset Publisher:
Thayer School, Dartmouth College
Version:
1.0
Dataset Originator/Creator:
Rachel Obbard
Dataset Title:
Grain size and approximate age for 14 samples from Upper Fremont Glacier, WY
Dataset Release Date:
September 21, 2012
Dataset Release Place:
14 Engineering Drive Hanover, NH. 03755 USA
Dataset Publisher:
Thayer School, Dartmouth College
Version:
1.0
Dataset Originator/Creator:
Rachel Obbard
Dataset Title:
Structure Log for Upper Fremont Glacier, WY
Dataset Release Date:
September 21, 2012
Dataset Release Place:
14 Engineering Drive Hanover, NH. 03755 USA
Dataset Publisher:
Thayer School, Dartmouth College
Version:
1.0
Dataset Originator/Creator:
Rachel Obbard
Dataset Title:
a{0001} and c{11-20} axis pole figures for 9 depths of the Upper Fremont Glacier, WY (core 98-4).
Dataset Release Date:
September 21, 2012
Dataset Release Place:
14 Engineering Drive Hanover, NH. 03755 USA
Dataset Publisher:
Thayer School, Dartmouth College
Version:
1.0
Dataset Originator/Creator:
Rachel Obbard
Dataset Title:
a{0001} and c{11-20} axis pole figures for 5 depths of the Siple Dome (SDMA) core between 640m and 790m and misorientation angle distribution for the same grains.
Dataset Release Date:
September 21, 2012
Dataset Release Place:
14 Engineering Drive Hanover, NH. 03755 USA
Dataset Publisher:
Thayer School, Dartmouth College
Version:
1.0
Dataset Originator/Creator:
Rachel Obbard
Dataset Title:
Pore size and distribution in 55 firn samples from Siple Dome (SDMA), Antarctica
Dataset Release Date:
September 21, 2012
Dataset Release Place:
14 Engineering Drive Hanover, NH. 03755 USA
Dataset Publisher:
Thayer School, Dartmouth College
Version:
1.0
Temporal Coverage
Start Date:
2009-09-01
Stop Date:
2011-03-01
Location Keywords
Science Keywords
ISO Topic Category
Platform
Ancillary Keywords
Data Set Progress
COMPLETE
Originating Center
Data Center
Personnel
Role:
INVESTIGATOR
Phone:
603-646-2184
Fax:
603-646-9024
Email:
Ian.Baker at Dartmouth.edu
Contact Address:
Thayer School of Engineering
Dartmouth College
8000 Cummings Hall
City:
Hanover
Province or State:
NH
Postal Code:
03755-8000
Country:
USA
Publications/References
Li, X; Iliescu, D; Baker, I. "On the effects of temperature on the strength of H2SO4-doped ice single crystals," JOURNAL OF GLACIOLOGY, v.55, 2009, p. 481-484. View record at Web of Science
Obbard, RW; Troderman, G; Baker, I. "Imaging brine and air inclusions in sea ice using micro-X-ray computed tomography," JOURNAL OF GLACIOLOGY, v.55, 2009, p. 1113-1115. View record at Web of Science R.W. ... Creation and Review Dates
DIF Creation Date:
2012-09-04
Last DIF Revision Date:
2012-09-21
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