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Jennifer Lewicki

Research Geologist

Contact Info

Short Biography


- Ph.D. Geoscience (2002), The Pennsylvania State University, University Park, PA

- M.S. Geology (1997), Arizona State University, Tempe, AZ

- B.A. Geology (1994), Hamilton College, Clinton, NY


Research Experience:

- Research Geologist (2012-present), U.S. Geological Survey, Menlo Park, CA

- Geological Research Scientist/Geological Scientist (2006-2012), Lawrence Berkeley National Laboratory, Earth Sciences Division, Berkeley, CA

- Geological Sciences Postdoctoral Fellow (2003-2005), Lawrence Berkeley National Laboratory, Earth Sciences Division, Berkeley, CA

- Postdoctoral Fellow (2002-2003), University of South Florida, Department of Geology, Tampa, FL


Additional Service:

- Deputy Scientist-in-Charge, California Volcano Observatory (2014-present), U.S. Geological Survey, Menlo Park, CA


Selected Publications

Lewicki, J.L., C. Caudron, V.J. van Hinsberg, and G.E. Hilley.  High spatio-temporal resolution observations of crater-lake temperatures at Kawah Ijen volcano, East Java, Indonesia.  Bulletin of Volcanology, accepted, 2016.

Gunawan, H., C. Caudron, J. Pallister, S. Primulyana, B. Christenson, W. McCausland, V. van Hinsberg, J.L. Lewicki, D. Rouwet, P. Kelly, C. Kern, C. Werner, J.B. Johnson, S.B. Utami, D.K. Syahbana, U. Saing, S.B.H. Purwanto, C. Sealing, M. Martinez Cruz, S. Maryanto, P. Bani, A. Laurin, A. Schmid, K. Bradley, I. Nandaka, and M. Hendrasto, New insights into Kawah Ijen’s volcanic system from the wet volcano workshop experiment. Special Issue Geochemistry and Geophysics of Active Volcanic Lakes, Eds.  T. Ohba, B. Capaccioni, and C. Caudron, Geological Society, Special Publications,, 2016.

 Lewis, A., G.E. Hilley, and J.L. Lewicki, Integrated thermal infrared imaging and Structure-from-Motion photogrammetry to map apparent temperature and radiant hydrothermal heat flux at Mammoth Mountain, CA USA.  Journal of Volcanology and Geothermal Research, 303, 16-24,, 2015.

Lewicki, J.L. and G.E. Hilley, Multi-scale observations of the variability of magmatic CO2 emissions, Mammoth Mountain, CA, USA.  Journal of Volcanology and Geothermal Research284, 1-15, doi:10.1016/j.jvolgeores.2014.07.011, 2014.

Lewicki, J.L., G.E. Hilley, D.R. Shelly, J.C. King, J.P. McGeehin, M. Mangan, and W.C. Evans, Crustal migration of CO2-rich magmatic fluids recorded by tree-ring radiocarbon and seismicity at Mammoth Mountain, CA, USA. Earth and Planetary Science Letters, 390, 52-58,, 2014.

Bergfeld, D., J.L. Lewicki, W.C. Evans, A.G. Hunt, K. Revesz, and M. Huebner, Geochemical investigation of the hydrothermal system on Akutan Island, Alaska, July 2012. U.S. Geological Survey Scientific Investigations Report 2013–5231, 20 p.,, 2014.

Lewicki, J.L., G.E. Hilley, L. Dobeck, T.L. McLing, B.M. Kennedy, M. Bill, and B.D.V. Marino, Input of geologic CO2 into groundwater and the atmosphere, Soda Springs, ID, USA. Chemical Geology, 339, 61-70, doi:10.1016/j.chemgeo.2012.06.013, 2013.

Hogan, J., J.A. Shaw, R.L. Lawrence, J.L. Lewicki, L.M. Dobeck, and L.H. Spangler, Detection of leaking CO2 gas with vegetation reflectances measured by a low-cost multispectral imager.  IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 5, 699-706, 2012. 

Lewicki, J.L. and G.E. Hilley, Eddy covariance network design for mapping and quantification of surface CO2 leakage fluxes.  International Journal of Greenhouse Gas Control, 7, 137-144, doi:10.1016/j.ijggc.2012.01.010,  2012.

Lewicki, J.L., G.E. Hilley, L. Dobeck, and B.D.V. Marino, Eddy covariance imaging of diffuse volcanic CO2 emissions at Mammoth Mountain, CA, USA. Bulletin of Volcanology, 74, 135-141, doi:10.1007/s00445-011-0503-y, 2012.

Pan, L., J.L. Lewicki, C.M. Oldenburg, and M.L. Fischer, Time-windows-based filtering method for near-surface detection of leakage from geologic carbon sequestration sites.  Environmental Earth Sciences, 60, 359-369, doi:10.1007/s12665-009-0436-3, 2010.

Lewicki, J. L., G.E. Hilley, L. Dobeck, and L. Spangler, Dynamics of CO2 fluxes and concentrations during a shallow subsurface CO2 release, Environmental Earth Sciences, 60,  285-297, doi:, 10.1007/s12665-009-0396-7, 2010.

Oldenburg, C.M., J.L. Lewicki, L. Pan, L. Dobeck, and L. Spangler, Origin of the patchy emission pattern at the ZERT CO2 release test. Environmental Earth Sciences, 60, 241-250, doi: 10.1007/s12665-009-0442-5, 2010.

Male, E.J., W.L. Pickles, E.I. Silver, G.D. Hoffmann, J. Lewicki, M. Apple, K. Repasky, and E.A. Burton, Using hyperspectral plant signatures for leak detection during the 2008 ZERT CO2 sequestration field experiment in Bozeman, MT.  Environmental Earth Sciences, 60, 251-261, doi: 10.1007/s12665-009-0372-2, 2010.

Rouse, J.H., J.A. Shaw, R.L. Lawrence, J.L. Lewicki, L.M. Dobeck, K.S. Repasky, and L.H. Spangler, Multi-spectral imaging of vegetation for detecting CO2 leakage from underground.  Environmental Earth Sciences, 60, 313-323, doi: 10.1007/s12665-010-0483-9, 2010.

Spangler, L.H., L.M. Dobeck, K.S. Repasky,, A shallow subsurface controlled release facility in Bozeman, MT, USA, for testing near surface CO2 detection techniques and transport models.  Environmental Earth Sciences, 60, 227-239, doi:10.1007/s12665-009-0400-2, 2010.

Lewicki, J.L. and G.E. Hilley, Eddy covariance mapping and quantification of surface CO2 leakage fluxes.  Geophysical Research Letters, 36, L21802, doi:10.1029/2009GL040775, 2009.

Lewicki, J. L., G.E. Hilley, M.L. Fischer, L. Pan, C.M. Oldenburg, L. Dobeck, and L. Spangler, Eddy covariance observations of surface leakage during shallow subsurface CO2 releases, Journal of Geophysical Research - Atmospheres, 114, D12302, doi:10.1029/2008JD011297, 2009.

Oldenburg, C.M., J.L. Lewicki, L. Dobeck, and L. Spangler, Modeling gas transport in the shallow subsurface during the ZERT CO2 release test. Transport in Porous Media, doi:10.10007/s11242-009-9361-x, 2009.

Lewicki, J. L., M.L. Fischer, and G.E. Hilley, Six-week time series of eddy covariance CO2 flux at Mammoth Mountain, California: performance evaluation and role of meteorological forcing, Journal of Volcanology and Geothermal Research, 171, 178-190, doi:10.1016/j.jvolgeores.2007.11.029, 2008.

Lewicki, J.L., C.M. Oldenburg, L. Dobeck, and L. Spangler, Surface CO2 leakage during two shallow subsurface CO2 releases, Geophysical Research Letters, 34, L24402, doi:101029/2007GL032047, 2007.

Lewicki, J.L., G.E. Hilley, T. Tosha, R. Aoyagi, K. Yamamoto, and S.M. Benson, Dynamic coupling of volcanic CO2 flow and wind at the Horseshoe Lake tree kill, Mammoth Mountain, California, Geophysical Research Letters, 34, L03401, doi:10.1029/2006GL028848, 2007.

Lewicki, J.L., J.T. Birkholzer, and C.-F. Tsang, Natural and industrial analogues for leakage of CO2 from storage reservoirs: identification of features, events, and processes and lessons learned, Environmental Geology, 52, doi:10.1007/s00254-006-0479-7, 2007.

Oldenburg, C.M. and J.L. Lewicki, On leakage and seepage of CO2 from geologic storage sites into surface water, Environmental Geology, 50, 691–705, doi:10.1007/s00254-006-0242-0, 2006.

Bryant, J.A., G.M. Yogodzinski, M.L. Hall, J.L. Lewicki, and D.G. Bailey, Geochemical constraints on the origin of volcanic rocks from the Andean Northern Volcanic Zone, Ecuador, Journal of Petrology, doi:10.1093/petrology/egl006, 2006.

Lewicki, J.L., G.E. Hilley, and C.M. Oldenburg, An improved strategy to detect CO2 leakage for verification of geologic carbon sequestration, Geophysical Research Letters, 32 (19), L19403, doi:10.1029/2005GL024281, 2005.

Lewicki, J.L., D. Bergfeld, C. Cardellini, G. Chiodini, D. Granieri, N. Varley, and C. Werner, Comparative soil CO2 flux measurements and geostatistical estimation methods on Masaya volcano, Nicaragua, Bulletin of Volcanology, 68, 76-90, doi: 10.1007/s00445-005-0423-9, 2005.

Wardell, L.J., P. Delmelle, T. Fischer, J.L. Lewicki, E. Malavassi, J. Stix, and W. Strauch, Volcanic gas workshop fosters international focus on state of the art measurement techniques, Eos (Transactions, American Geophysical Union), 84(47), 519, 2003.

Lewicki, J.L., C. Connor, K. St-Amand, J. Stix, and W. Spinner, Self-potential, soil CO2 flux, and temperature on Masaya volcano, Nicaragua, Geophysical Research Letters, 30, 1817, 2003.

Lewicki, J.L., W.C. Evans, G.E. Hilley, M.L. Sorey, J.D. Rogie, and S.L. Brantley, Shallow soil CO2 flow along the San Andreas and Calaveras faults, California, Journal of Geophysical Research - Solid Earth, 108, 2187, doi:10.1029/2002JB002141, 2003.

Cardellini, C., G. Chiodini, F. Frondini, D. Granieri, J. Lewicki, and L. Peruzzi, Accumulation chamber measurements of methane fluxes: application to volcanic-geothermal areas and landfills, Applied Geochemistry, 18, 45-54, 2003.

Lewicki, J.L., T. Fischer, and S.N. Williams, Chemical and isotopic compositions of fluids at Cumbal volcano, Colombia: evidence for magmatic contribution, Bulletin of Volcanology, 62, 347-361, 2000.

Lewicki, J.L. and S.L. Brantley, CO2 degassing along the San Andreas fault, Parkfield, California, Geophysical Research Letters, 27, 5-8, 2000.


My Science Topics

Science Topic
Techniques and Methodsreal-time monitoring and reporting
Natural Hazardsvolcanoes
Natural Hazardsvolcanic gas emission
Geologic Processesgeochemistry

Research Interests

Image of Current Focus for Research Interests

- Evaluation of the magmatic state and activity of high-threat volcanoes.

- Geothermal resource exploration and assessment of potential impacts of geothermal development in regions of high heat flow.

-  Improved estimates of contributions of volcano-hydrothermal CO2 emissions to the global carbon cycle.

- Method development for real-time, continuous measurement and monitoring of gas and heat emissions from volcano-hydrothermal systems.

- Subduction-zone cycling of volatiles.

- Development of strategies for monitoring geologic carbon sequestration sites for potential leakage of CO2 into the near-surface environment.

To address these topics, I carry out field measurements and modeling of gas and heat fluxes and gas and aqueous chemical and isotopic compositions. I collaborate to integrate these results with available geophysical, remote sensing, and hydrogeologic data sets for improved understanding of volcano-hydrothermal and geologic carbon storage systems.

Contact Information

Jennifer Lewicki
345 Middlefield Road
Menlo Park, CA 94025
650-329-4463 - Fax
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