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CV: Geoscientist and remote sensing / GIS analyst
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Date Submitted: Last Modified: Current job: Employment Term: Job location: Date available: Industry: Keywords|
Nationality: French
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MAIN SKILLS |
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- Remote sensing and GIS processing, data management and analysis: - Processing of multispectral, thermal IR, radar and lidar data, SAR interferometry processing and interpretation - Geoprocessing with ArcGIS Desktop, Spatial Analyst and 3D Analyst, geodatabase creation and management, raster and vector processing and analysis, cartography - Application to geological and geomorphological studies, environmental issues, natural hazard assessment - Research experience in planetary sciences, fluvial, glacial and periglacial geomorphology, erosion and sediment processes, mineralogy and structural geology - Reporting (reports, peer-reviewed publications, seminar and conference presentations) - Preparation and teaching of GIS tutorials
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EDUCATION |
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2008 |
Ph.D. in Planetary Sciences, Dept. of Space Research and Planetary Science, U. of Bern, Switzerland |
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2002 |
M.Sc. in Remote Sensing, Image Processing and Applications (first class honors), Engineering Department, U. of Dundee / School of Geosciences, U. of Edinburgh, UK |
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2000 |
DEA (Advanced Post-graduate degree, MSc equivalent) in Earth and Environmental Sciences, National Centre of Scientific Research (CNRS), U. of Toulouse, France |
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1999 |
Bachelor degree in Physical Geography (first class honors), University of Artois, Arras, France and Centre of Applications and Research in Remote Sensing (CARTEL), U. of Sherbrooke, Canada (Foreign exchange student) |
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1995 |
Baccalaureate in Mathematics and Physics(first class honors) High School of Beuvry, France
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EXPERIENCE |
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February 2010 – July 2012 |
Post-Doctoral Researcher, Earth and Planetary Science Department, University of Tennessee, Knoxville, USA Main project: investigation of fluvial networks, pyroclastic deposits and tectonic deformations on Mars and terrestrial analogues - Processing of remote sensing data (multispectral, thermal IR and lidar) with ENVI and USGS ISIS - Production of high-resolution digital terrain models using stereo images - Creation of geodatabases and geoprocessing of multiple datasets in ArcGIS - Geomorphological and geological mapping - Investigation of tectonic deformations using remote sensing analysis and comparison with the predictions of tectonic models |
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July 2003 – Dec.2008 |
Research Assistant,Dept. of Space Research and Planetary Science, University of Bern, Switzerland Main project:Investigating martian periglacial landforms and terrestrial analogues, using high resolution imagery and energy-balance modeling - Team member of the High Resolution Imaging Science Experiment (HiRISE) on Mars Reconnaissance Orbiter: target selection, data processing and analysis - Processing of remote sensing data (multispectral, thermal IR and lidar) with USGS ISIS, ENVI and ArcGIS - ArcGIS geodatabase creation and management - Modeling of surface temperature and ground ice sublimation rates in IDL - Modeling of the formation process of thermokarstic depressions and polygonal fractures
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Jan 2002- Sept. 2002 |
M.Sc. Research Project, University of Dundee / School of Geosciences, University of Edinburgh, UK Main project:Surface change detection on the archaeological site of Nasca, Peru, using SAR interferometry - InSAR processing of ERS SAR image pairs with Earthview InSAR (production of an interferogram, a digital elevation model and coherence images) - Mapping of the local geomorphology and archaeological site with ASTER images - Processing and interpretation of the InSAR products in ENVI, PCI Geomatics and ArcGIS to detect surface degradation, surface displacements and natural hazards - Identification of the archaeological zones sensitive to erosion and natural hazard assessment
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Jan 2000- June 2000: |
M.Sc. Research Project , University of Toulouse, France Main project:Integrating hyperspectral, gamma and neutron remote sensing to analyze the structure and composition of the lunar crust - Multispectral, neutron and gamma-ray data analysis (IDL, UNIX environment) - Statistical analysis of mineralogical and geochemical data with IDL and ENVI - Creation of mineralogical and geochemical maps and petrologic interpretation
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Oct. 1998 –Sept. 1999 |
Bachelor Research Project, University of Sherbrooke, Canada/ University of Artois, France Main project:Geomorphological mapping of surface deposits and identification of the paleoshores of the Memphrémagog proglacial lake and of the paleovalley of the Magog River, Northwest of Sherbrooke, Quebec, Canada - Geomorphological and geological mapping using aerial photographs - Collection of sedimentary samples in the field and analysis in laboratory (identification of ancient glaciolacustrine and glaciofluvial deposits) - Reconstruction of the paleoshorelines of the proglacial lake Memphremagog - Natural hazards assessment
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TEACHING and OUTREACH |
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2010-2012 2001-present
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Preparation and teaching of tutorials on data processing and data management in ArcGIS Participation in an educational website, answering children’s questions about astronomy and related topics (www.etoile-des-enfants.ch)
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LANGUAGES |
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- French (native) - English (fluent, both written and spoken)
- German (working knowledge) - Italian (familiar)
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COMPUTER SKILLS |
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- OS: Unix, Linux, Windows, Mac OS - Image processing: Earthview InSAR, ENVI, PCI Geomatics, USGS ISIS 2 and 3 - GIS and mapping: ArcGIS Desktop (including Spatial Analyst, 3D Analyst and ModelBuilder), GDAL, Surfer - Database management: SQL (introductory level) - Processing of digital terrain models: NASA Ames Stereo Pipeline - Graphic and web design: Adobe Photoshop and Illustrator CS6, Corel Painter 12, Dreamweaver, HTML - Programming: working knowledge of IDL and Python - Others: Microsoft Office Suite 2010, SigmaPlot, Origin
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AWARDS |
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July 2011 |
NASA Group Achievement Award as a member of the team of the High Resolution Imaging Science Experiment (HiRISE).
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PEER-REVIEWED PUBLICATIONS |
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Lefort A., Burr, D., Beyer, R. and Howard, A.D. (2012) Inverted fluvial features in the Aeolis–Zephyria Plana, western Medusae Fossae Formation, Mars: evidence for post-formation modification,Journal of Geophysical Research, 117, E03007, doi:10.1029/2011JE004008. |
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Lefort, A., Russell, P. and Thomas. N. (2010) Scalloped terrains in the Peneus and Amphitrites Paterae region of Mars as observed by HiRISE.Icarus 205(1):259-268 |
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Lefort, A., Russell, P., Thomas, N., McEwen, A.S., Dundas, C.M. and Kirk, R.L. (2009) Observations of periglacial landforms in Utopia Planitia with the High Resolution Imaging Science Experiment (HiRISE). Journal of Geophysical Research 114, E04005, doi:10.1029/2008JE003264 |
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Lefort, A., Grippa, M., Walker, N., Stewart, L.J. and Woodhouse, I.H. (2004) Change detection across the Nasca pampa using spaceborne SAR interferometry. International Journal of Remote Sensing 25(10):1799-1803 |
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Dundas, C.M., M.T. Mellon, A.S. McEwen, A. Lefort, L., Keszthelyi, P. and Thomas, N. (2008) HiRISE observations of fractured mounds: Possible Martian pingos. Geophysical Research Letters 35, L04201, doi:10.1029/2007GL031798 |
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In preparation: |
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Lefort A., Burr, D. M. and Nimmo, F. , Slope reversal in inverted fluvial channels and implications for regional crustal processes near the Martian dichotomy boundary, submitting to Geology |
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OTHER PUBLICATIONS |
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Lefort, A., Grippa, M., Walker, N., Stewart, L.J. and Woodhouse, I.H. (2003) Interferometric coherence for change detection in the Nasca region of Peru. Geoscience and Remote Sensing Symposium, 2003. IGARSS apos 03. Proceedings. 2003 IEEE International, 4:2263 - 2265 |
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CONFERENCE PRESENTATIONS (ABSTRACTS) |
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March 2012
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43rd Lunar and Planetary Science Conference, Houston, USA Lefort, A.,Burr, D.M., Beyer, R.A. and Howard, A.D., Sinuous ridges as tools to investigate post-flow modification in the Aeolis-Zephyria Plana, Western Medusae Fossae Formation, Mars (oral). |
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March 2011 |
42nd Lunar and Planetary Science Conference, Houston, USA Lefort, A., Burr, D.M., Beyer, R.A. and Howard, A.D.,Topographic post-formation modifications of inverted fluvial features in the western Medusae Fossae formation, Mars(poster). |
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November 2010 |
American Geophysical Union Fall Meeting, San Francisco, USA Lefort, A., Burr, D.M., Beyer, R. A. and Howard, A.D.,Post-formation Modification of Sinuous Ridges in the Aeolis-Zephyria Planum Region, Mars (poster). |
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June 2007 |
2nd international workshop, Exploring Mars and its Earth Analogues, Trento, Italy Lefort, A., Russell, P.S. and Thomas, N. Periglacial features in the Martian mid-latitudes, insight from HiRISE (oral). |
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April 2007 |
European Geophysical Union General Assembly, Vienna, Austria Lefort, A., Russell, P.S., Thomas, N., HiRISE observations of possible periglacial features in the martian mid-latitude mantle (oral). |
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March 2007 |
38th Lunar and Planetary Science Conference, Houston, USA Lefort, A., Russell, P.S. and Thomas, N., Scalloped terrains in Utopia Planitia, insight from HiRISE(poster). |
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October 2006 |
4th International Conference on Mars Polar Science and Exploration, Davos, Switzerland, Lefort, A., Russell, P.S. and Thomas, N. Scallop-shaped depressions and mantle sublimation in the mid-latitudes of Mars (poster). |
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Invited seminar: |
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July 15th 2011. |
Planetary Geodynamics Laboratory, Goddard Space Flight Center, Greenbelt, MD, USA Lefort, A., Burr, D.M., Beyer, R. A. and Howard, A.D., Topographic post-formation modifications of sinuous ridges in the Aeolis-Zephyria Plana, Mars
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