Items where Author is "Hamann, Ilka"

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Number of items: 27.

Article

Seddik, H. , Greve, R. , Placidi, L. , Hamann, I. and Gagliardini, O. (2008)
Application of a continuum-mechanical model for the flow of anisotropic polar ice to the EDML core, Antarctica ,

Journal of Glaciology, 54 (187), pp. 631-642 .

hdl:10013/epic.31622

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Article

Eisen, O. , Hamann, I. , Kipfstuhl, S. , Steinhage, D. and Wilhelms, F. (2007)
Direct evidence for continuous radar reflector originating from changes in crystal-orientation fabric {http://www.the-cryosphere.net/1/1/2007/tc-1-1-2007.html} ,

The Cryosphere, 1, 1-10{http://www.copernicus.org/EGU/tc/tc.html}, 2007 ( ) .

hdl:10013/epic.26807

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Article

Hamann, I. , Weikusat, C. , Azuma, N. and Kipfstuhl, S. (2007)
Evolution of ice crystal microstructures during creep experiments ,

Journal of Glaciology, 53 (182), pp. 479-489 .

hdl:10013/epic.27841

Article

Wilhelms, F. , Sheldon, S. G. , Hamann, I. and Kipfstuhl, S. (2007)
IMPLICATIONS FOR AND FINDINGS FROM DEEP ICE CORE DRILLINGS AN EXAMPLE: THE ULTIMATE TENSILE STRENGTH OF ICE AT HIGH STRAIN RATES ,

Physics and Chemistry of Ice (The proceedings of the International Conference on the Physics and Chemistry of Ice held at Bremerhaven, Germany on 23-28 July 2006) The Royal Society of Chemistry Special Publication No. 311, p., pp. 635-639 .

hdl:10013/epic.27669

Article

Kipfstuhl, S. , Hamann, I. , Lambrecht, A. , Freitag, J. , Faria, S. H. , Grigoriev, D. and Azuma, N. (2006)
Microstructure mapping: a new method for imaging deformation-induced microstructural features of ice on the grain scale ,

Journal of glaciology, 52 (178), pp. 398-406 .

hdl:10013/epic.27838

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Article

Fischer, H. , Freitag, J. , Frenzel, A. , Fritzsche, D. , Fundel, F. , Gersonde, R. , Hamann, I. , Huybrechts, P. , Kipfstuhl, S. , Dick, D. , Meyer, H. , Miller, H. , Oerter, H. , Ruth, U. , Rybak, O. , Schmitt, J. , Valero-Delgado, F. , Wegner, A. and Wilhelms, F. , EPICA community members (2006)
One-to-one coupling of glacial climate variability in Greenland and Antarctica ,

Nature, 444 , pp. 195-198 .

doi:10.1038/nature05301 , hdl:10013/epic.25448

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Article

Bons, P. D. , Druguet, E. , Hamann, I. , Carreras, J. and Passchier, C. W. (2004)
Apparent boudinage in dykes ,

Journal of Structural Geology, 26 , pp. 625-636 .

hdl:10013/epic.20796

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Thesis

Thesis -PhD

Hamann, I. (2007)
Deformation Microstructures Antarctic Ice from EPICA Dronning Maud Land and Artificial Creep Test Ice ,

PhD thesis, Bremen, Univ., Diss..

hdl:10013/epic.31853

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Thesis -Master

Hamann, I. (2002)
Die Entstehung scheinbarer Boudinagestrukturen in Pegmatiten und Quarzadern anhand von Analogexperimenten und einem Geländebeispiel aus dem Cap de Creus Gebiet (NE Spanien) ,

Master thesis, Institut für Geowissenschaften der Johannes Gutenberg-Universität Mainz.

hdl:10013/epic.36259

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Conference

Conference -Poster

Hamann, I. , Kipfstuhl, S. , Lambrecht, A. and Azuma, N. (2008)
Deformation modes and geometries in the EPICA-DML ice core, Antarctica ,

EPICA Open Science Conference, Venice, ItalyNovember 2008.. .

hdl:10013/epic.32065

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Conference -Talk

Eisen, O. , Hamann, I. , Kipfstuhl, J. , Steinhage, D. and Wilhelms, F. (2008)
Determining fabric orientations from the dependence of reflected energy on polarisation azimuth for a continuous internal reflector in Antarctica ,

Symposium on radioglaciology and its applications, Madrid, SpainJune 2008. .

hdl:10013/epic.31354

Conference -Invited talk

Hamann, I. , Miyamoto, A. , Azuma, N. , Kipfstuhl, S. and Faria, S. H. (2008)
High resolution deformation microstructures in ice: grain-boundary morphology and subgrain boundaries in samples from creep tests and an Antarctic ice core ,

ESF Exploratory Workshop "Modeling and Interpretation of Ice Microstructures" (09 to 11 April 2008). .

hdl:10013/epic.36254

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Conference -Poster

Bohleber, P. , Drews, R. , Eisen, O. , Hamann, I. , Kipfstuhl, S. , Steinhage, D. and Wilhelms, F. (2008)
Improved retrieval of paleoclimatic information from ice cores using physical properties ,

EPICA Open Science Conference, Venice, ItalyNovember 2008. .

hdl:10013/epic.31496

Conference -Poster

Drews, R. , Eisen, O. , Hamann, I. , Kipfstuhl, J. , Lambrecht, A. , Steinhage, D. and Wilhelms, F. (2008)
The origin of the echo-free zone ,

Symposium on radioglaciology and its applications, Madrid, SpainJune 2008. .

hdl:10013/epic.30668

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Conference -Poster

Hamann, I. , Azuma, N. and Weikusat, C. (2007)
Evolution of ice crystal microstructures during creep experiments ,

EGU General Assembly 2007. .

hdl:10013/epic.26516

Conference -Invited talk

Hamann, I. , Kipfstuhl, S. , Faria, S. H. and Freitag, J. (2007)
Microstructures in the EPICA DML ice core, Antarctica - sub-grain boundary statistics ,

The 2nd International Workshop on Physics of Ice Core Records (PICR-2), February 2 6, 2007, Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan. .

hdl:10013/epic.26579

Conference -Talk

Eisen, O. , Wilhelms, F. , Hamann, I. , Kipfstuhl, S. , Steinhage, D. and Miller, H. (2007)
Origin of internal radar reflectors at the EPCIA DML drill site - constraints for space-borne P-band radar ,

IUGG XXIV General Assembly, Perugia, ItalyJuly. .

hdl:10013/epic.27611

Conference -Poster

Eisen, O. , Hamann, I. , Kipfstuhl, S. , Steinhage, D. and Wilhelms, F. (2007)
Single radar reflector from fabric change at EPCIA DML drill site ,

European Geosciences Union General Assembly, Vienna, Austria, 15 20 April 2007, Geophysical Research Abstracts vol. 9. .

hdl:10013/epic.26113

Conference -Poster

Hamann, I. , Faria, S. H. , Freitag, J. , Kipfstuhl, S. and Lambrecht, A. (2006)
Grain boundary hierarchy in the EPICA-DML deep ice core, Antarctica ,

11th International Conference on the Physics and Chemistry of Ice PCI 2006 Bremerhaven, Germany, July 23rd28th .

hdl:10013/epic.25642

Conference -Poster

Hamann, I. , Azuma, N. and Kipfstuhl, S. (2006)
Microstructural deformation features in artificially deformed ice and in polar ice cores (EDML, Antarctica) ,

11th International Conference on the Physics and Chemistry of Ice PCI 2006 Bremerhaven, Germany, July 23rd28th .

hdl:10013/epic.25640

Conference -Talk

Wilhelms, F. , Kipfstuhl, S. , Faria, S. H. , Hamann, I. , Dahl-Jensen, D. , Sheldon, S. G. , Oerter, H. and Miller, H. (2006)
Physical properties of ice sheets implications for, and findings from deep ice core drilling ,

11th International Conference on the Physics and Chemistry of Ice PCI 2006 Bremerhaven, Germany, July 23rd28th .

hdl:10013/epic.25846

Conference -Poster

Kipfstuhl, S. , Freitag, J. , Hamann, I. , Lambrecht, A. and Ruth, U. (2005)
Cloudy bands and their microstructure in the EPICA-DML ice core ,

. .

hdl:10013/epic.23149

Conference -Poster

Hamann, I. , Kipfstuhl, S. and Lambrecht, A. (2005)
Fabrics and grain-shape orientations in EDML ice core, Antarctica ,

The 28th NIPR Symposium on Polar Meteorology and Glaciology, 30. November - 1. Dezember, 2005 National Institute of Polar Research, Tokyo, Japan. .

hdl:10013/epic.24448

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Conference -Poster

Hamann, I. , Kipfstuhl, S. and Azuma, N. (2005)
Sub-grain boundary features in ice cores from EDML, Antarctica ,

2005 Conference of Japanese Society of Snow and Ice, 27.9.2005-30.9.2005, Asahikawa, Japan. .

hdl:10013/epic.24056

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Conference -Poster

Hamann, I. , Grigoriev, D. , Kipfstuhl, S. , Faria, S. H. , Marino, F. , Lambrecht, A. and Sammonds, P. R. (2004)
Evolution of air bubble and air hydrate ensembles: statistical analysis of the EPICA-DML ice core ,

EGU 1st general assembly 25-30 April 2004 Nice France. .

hdl:10013/epic.21140

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Conference -Poster

Hamann, I. , Kipfstuhl, S. , Faria, S. H. , Lambrecht, A. , Grigoriev, D. and Marino, F. (2004)
Grain boundary hierarchy in the EPICA-DML deep ice core, Antarctica ,

EGU 1st general assembly 25-30 April 2004 Nice France. .

hdl:10013/epic.21141