Masters Program in Volcanology
Department of Earth Sciences - University of Bristol - Bristol, UK
During that time in the Masters program, I worked on early iteration of the SO2 camera in a project titled: "Cyclic patterns of SO2 emissions at Santiaguito volcano, Guatemala, revealed by UV camera measurements"
M.Sc. in Volcanology
Laboratoire Magmas et Volcans - Université Blaise Pascal - Clermont-Ferrand, France
Thesis: "Basaltic domes and lava flow emplacement during the 1995 eruption of Cerro Negro, Nicaragua"
Research Interests
- Volcanic emissions: Study of the composition, magnitude and transport of volcanic gases, ashes and aerosols, and the hazards they pose.
- Physical volcanology: Understanding conduit dynamics of persistent volcanic activity using monitoring methods and numerical modeling.
- Volcano monitoring: long-term observation of volcanic activity using remote sensing methods.
- Spectroscopy (VNIR, TIR, UV) and Imaging techniques: Tools for the characterization of natural surfaces and the observation of active geological processes
Teaching & Mentoring Experience
- Instructor – Northern Arizona University (2018)
- AST 599: Planetary Analogs Field Course
- Practical Laboratory Coordinator (including development of lab content) online and in-person (2011-2015)
- GLG 110/111 – “Dangerous World” -– 8 semesters
- Graduate Teaching Assistant – Arizona State University (2008-2010)
- GLG 420 “Volcanology” – 2 semesters
- GLG 103 “Introduction to Geology” lab section – 2 semesters
- Undergraduate Research Mentor – Research Experiences for Undergraduates (REU) program at NAU
- Alexander Kling (2019): “Creating a spectral database of volcanic ash samples”
- Fadwa Al Jaberi (2018): “Mapping pyroclastic deposits on Mars”
- Graduate Research Mentor – Development of a secondary project, NAU
- Christopher Wolfe (2019): “Development and Validation of a low-cost, weather resistant imaging systemfor volcanic emissions”
Research Experience
Field Experience
- Ground-based measurements of volcanic degassing: participated in >10 and coordinated 3 campaigns (Stromboli, 2019,2015 and Semeru, 2013)
- Multiple locations around the world: Italy, Indonesia, Guatemala, Columbia
- Data collection strategies and data analysis
- Sample collection for validation of remotely sensed data
- Volcanic ash: near-vent fall deposits and in-situ drone sampling
- Geo-localized natural surfaces for ground-truthing of orbital data
- Planetary analogues studies
Experience with Laboratory and Field Instruments
- Benchtop TIR Michelson Interferometer for the characterization of natural materials
- Compact UV diffraction spectrometers and narrow FOV telescopes for the detection and quantification of volcanic and anthropogenic gas emissions (DOAS technique)
- Open-Path Fourier Transform Infrared (OP-FTIR) spectrometer for the determination of the composition of volcanic plumes
- Field-ready Hyperspectral TIR imager (TELOPS Hyper-Cam LW)
- SO2 camera: a synchronized dual UV imager with bandpass filters and co-located UV spectrometer for the measurement of volcanic and anthropogenic gas emissions
- Broadband IR cameras (FLIR) for the observation of thermal volcanic features
Experience with Satellite Data
- IASI: IR spectrometer, EUMETSAT, sun-synchronous polar orbit (METOP satellite)
- MSG-SEVIRI: multi-spectral imager, EUMETSAT, geostationary orbit (METEOSAT satellite)
- MODIS: multi-spectral imager, NASA, sun-synchronous polar orbit (Terra and Aqua satellites)
- ASTER: multi-spectral imager, NASA, sun-synchronous polar orbit (Terra satellite)
- OMI: UV imaging spectrometer, NASA, sun-synchronous polar orbit (Aura satellite)
- TIMS: multi-spectral TIR imager, airborne, NASA, deployment by request
- MASTER: airborne ASTER and MODIS simulator, NASA deployment by request
Funding & Awards
Pitching Competition, School of Earth and Space Exploration, ASU ($500) 2015
University Graduate Fellowship, School of Earth and Space Exploration, ASU ($11,500) 2014
Summer PhD Student Research Award, School of Earth and Space Exploration, ASU ($6.891) 2013
Doctoral Research Grant Program, Arizona Board Of Regents ($5,000) 2013
Graduate Research Achievement Award, School of Earth and Space Exploration, ASU ($2,000) 2011
Conference Travel Grant, Graduate and Professional Student Association, ASU (~$1,500 x5) 2009-13
NSF Travel Grant, Scientific workshop in Pasto, Colombia (~$1,000) 2009
Refereed Publications
Published in peer-reviewed journals
[5] Smekens, J-F., and Gouhier, M. (2018): Observation of SO2 Degassing at Stromboli Volcano using a Hyperspectral Thermal Infrared Imager. J. Volcanol. Geotherm. Res., https://doi.org/10.1016/j.jvolgeores.2018.02.018.
[4] Smekens, J-F., Clarke, A.B., Burton, M.R., Harijoko, A., and Wibowo, H. (2015): SO2 emissions at Semeru volcano, Indonesia: characterization and quantification of persistent periodic explosive activity. J. Volcanol. Geotherm. Res., 300: 121-128, http://dx.doi.org/10.1016/j.jvolgeores.2015.01.006.
[3] Smekens, J-F., Burton, M.R., and Clarke, A.B. (2015): Validation of the SO2 camera for high temporal and spatial resolution monitoring of SO2 emissions. J. Volcanol. Geotherm. Res., 300: 37-47, http://dx.doi.org/10.1016/j.jvolgeores.2014.10.014.
[2] Kern, C., Lübcke, P., Bobrowski, N., Campion, R., Mori, T., Smekens, J-F., Stebel, K., Tamburello, G., Burton, M., Platt, U., and Prata, F. (2015): Inter-comparison of SO2 camera systems for imaging volcanic gas plumes. J. Volcanol. Geotherm. Res., 300: 22-36, http://dx.doi.org/10.1016/j.jvolgeores.2014.08.026.
[1] Vanderkluysen, L., Burton, M.R., Clarke, A.B., Hartnett, H.E., and Smekens, J-F. (2014): Composition and flux of explosive gas release at LUSI mud volcano (East Java, Indonesia). G3, http://dx.doi.org/10.1002/2014gc005275.
Oral presentations
Invited talks
- Drexel University – April 10th, 2018: ‘Observation of volcanic degassing using ground-based imaging methods’
- University of Oslo – April 6th, 2017: ‘Observation of volcanic degassing using ground-based imaging methods’
- University of Bristol – May 6th, 2016: ‘Quantifying passive and explosive degassing using ground-based imaging methods’
- USGS Cascades Volcano Observatory – July 31st, 2013: ‘New developments in UV imaging techniques and application to volcanological problems’
- Vrije Universiteit van Brussels – January 15th, 2013: ‘New developments in UV imaging for the monitoring of volcanic SO2′
Conference and Workshop talks
- Plume Imaging Workshop (Stromboli, Italy) – June 24th, 2013: ‘New developments in UV imaging for the monitoring of volcanic SO2’
- AGU Fall Meeting – December 13th, 2010: ‘SO2 emissions from persistently active explosive volcanoes: can we estimate their contribution using satellite instruments?’
- Plumes and PDC workshop (Clermont-Ferrand, France) – October 26th, 2009: ‘Cyclic patterns of SO2 emissions at Santiaguito volcano, Guatemala, revealed by UV camera measurements’
Selected Conference Abstracts
Smekens, J-F., Sealing, C., Carey, E. Vanderkluysen, L., Carr, B., Marliyani, G. I., Harijoko, A., and Edwards, C. (2018): Contrasting degassing behaviors before and after a shift in eruptive style at Sinabung volcano, Indonesia. AGU Fall Meeting
Smekens, J-F., and Gouhier, M. (2018): Ground-based hyperspectral TIR imaging of volcanic plumes: implementing pixel classification strategies for automated monitoring and data mining. Cities on Volcanoes 10.
Smekens, J-F., Clarke, A.B., and de’Michieli Vitturi, M. (2015): Eruption cycles in a basaltic andesite system: insights from numerical modeling. AGU Fall Meeting.
Smekens, J-F., Burton, M.R., Clarke, A.B., Sawyer, G.M, Harijoko, A., and Wibowo, H. (2014): SO2 Emissions at Semeru Volcano, Indonesia: Characterization and Quantification of Persistent and Periodic Explosive Activity. AGU Fall Meeting.
Smekens, J-F., and Christensen, P.R. (2011): The effect of weathering and outcrop variability on Thermal Infrared multispectral remote sensing data: a comparative study in Gila Bend, AZ. 42nd LPSC, 2011.
Community Service
- Moderator of The Collective: a discussion group on matters of diversity and inclusion, NAU: 2018-2019
- President of the Graduate Student Council, School of Earth and Space Exploration, ASU: 2011-2013
- Moderator for the VOLCANO listserv: 2011-2013
- Website manager for the Commission on Explosive Volcanism (CEV) webpage: 2011-2014
- Review panelist for funding programs (NASA)
- Reviewer for scientific journals (J.Volcanol. Geotherm. Res., Rem. Sens., Atmos. Meas. Tech., J. Imaging, Geochem. Cosm. Acta.)
- Chair for topical sessions at scientific meetings (AGU 2012, GSA 2019)
Professional Memberships
- Member of the European Geophysical Union (EGU): 2020-now
- Member of the Geological Society of America (GSA): 2019-now
- Member of the International Association for Volcanology and Chemistry of the Earth’s Interior (IAVCEI): 2016-now
- Member of the American Geophysical Union (AGU): 2010-now
International Collaborations
- Arizona State University, USA (Profs. Amanda Clarke and Philip Christensen)
- University of Manchester, UK (Prof. Mike Burton)
- University of Oxford, UK (Profs. Tamsin Mather and David Pyle)
- Laboratoire Magmas et Volcans, Clermont-Ferrand, France (Prof. Mathieu Gouhier)
- Northern Arizona University (Profs. Christopher Edwards and Mark Salvatore)
- Istituto Nazionale de Geofisica e Vulcanologia, Italy (Drs. Mattia de’Michieli Vitturi and Allessandro LaSpina)
- Universitas Gadjah Mada, Yogyakarta, Indonesia (Profs. Agung Harijoko and Gayatri Marliyani)
- Drexel University, Philadelphia, USA (Prof. Loÿc Vanderkluysen)
- Hawaii Volcano Observatory, USGS (Dr. Brett Carr)
- USGS Astrogeology Center, Flagstaff, USA (Drs. Kristen Bennett and Lauren Edgar)
- NASA Johnson Space Center, Houston, USA (Dr. Elizabeth Rampe)
- NASA Goddard Space Flight Center, Washington D.C., USA (Dr. Kelsey Young)
Additional Relevant Skills
Scientific Programming
- Labview: Development of acquisition software for UV imaging instrument (GUI, instrument parameterization, synchronization of data acquisition with multiple instruments, organization of the data flow)
- IDL + ENVI: Image processing, spectral analysis, forward modeling
- Matlab: Image processing, spectral analysis, forward modeling, instrument operation
- Fortran 95: Numerical modeling
- Python: Image and signal processing
Petrological and Geochemical Analysis
- Sample preparation: dissolution, dilution
- Microscopy: Optical microscope, Scanning Electron Microscope
- Geochemistry: Electron microprobe, ICP-MS, XRF spectrometer
Language proficiency
- French: native tongue
- English: Excellent written and oral proficiency (fluent)
- Dutch: Moderate written proficiency, low oral proficiency (high school level as a second language)