Xavier Comas
INVESTIGATOR, COLLABORATOR
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Luquillo, Shale Hills Associate Professor, Florida Atlantic University
Investigates the applicability of electrical and electromagnetic hydrogeophysical methods (including ground penetrating radar , terrain conductivity and electrical resistivity) to characterize: 1) the spatial distribution of the regolith-bedrock interface; and 2) subsurface lithology as related to specific geophysical signatures, such as radar facies and/or electrical properties.
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CZO Publications
Papers/Books
2018
Understanding fracture distribution and its relation to knickpoint evolution in the Rio Icacos watershed (Luquillo Critical Zone Observatory, Puerto Rico) using landscape‐scale hydrogeophysics. Comas, X., Wright, W., Hynek, S. A., Fletcher, R. C., & Brantley, S. L. (2018): Earth Surface Processes and Landforms
2016
Architecture of the deep critical zone in the Río Icacos watershed (Luquillo Critical Zone Observatory, Puerto Rico) inferred from drilling and ground penetrating radar (GPR). Joe Orlando, Xavier Comas, Scott Hynek, Heather L. Buss, and Sue L. Brantley (2016): Earth Surface Processes and Landforms
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Other CZO Publications
2017
Shallow critical zone architecture of a headwater sandstone catchment quantified using near-surface geophysics. DiBiase, R., Del Vecchio, J.M., Mount, G.J., Hayes, J.L., Comas, X., Guo, L., Lin, H., Zarif, F., Forsythe, B. and Brantley, S.L. (2017): AGU-SEG Hydrogeophysics Workshop, Stanford, Calif., 24-27 July
2017
Integrating geomorphological and time-lapse geophysical techniques to characterize hydrogeologic properties within shale and sandstone catchments at the Susquehanna Shale Hills Critical Zone Observatory, Pennsylvania, USA. Mount, G.J., DiBiase, R., Comas, X., Del Vecchio, J., Guo, L., Hayes, J., Forsythe, B., Brantley, S. (2017): AGU-SEG Hydrogeophysics Workshop, San Francisco, Calif., 24-27 July 2017
2016
Surface and Subsurface Characteristics of Periglacial Landscape Modification in Central Pennsylvania . Del Vecchio, J., Martin, C., Mount, G.J., Hayes, J., Comas, X., and DiBiase, R. (2016): 2016 Geological Society of America Fall Meeting, Denver, CO, 25-28 September
2016
Quantifying the spatial variability in critical zone architecture through surface mapping and near-surface geophysics (Invited). DiBiase, R., Del Vecchio, J., Mount, G., Hayes, J.L., Comas, X., Guo, L., Lin, H., Zarif, F., Forsythe, B., and Brantley, S.L. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.
2016
Characterizing Subsurface Lithology and Hydrological Processes at the Susquehanna Shale Hills CZO Using Multi-scale Near-surface Geophysical Measurements. Mount, G., Guo, L., Comas, X., DiBiase, R., Hayes, J.L., Del Vecchio, J., Forsythe, B., Brantley, S.L., and Lin, H. (2016): 2016 Fall Meeting, American Geophysical Union, San Francisco, CA, 12-16 Dec.
2015
Using hydrogeophysical methods to understand the spatial distribution of the bedrock-regolith interface in the Rio Icacos watershed. Comas, X. (2015): Luquillo CZO Cyber Seminar
2014
Soil geophysics. Xavier Comas (2014): All-hands Meeting of the Luquillo Critical Zone Observatory, Luquillo, PR. Luquillo, PR
2014
Using Hydrogeophysical Methods to Understand the Spatial Distribution of the Bedrock-regolith Interface in the Rio Icacos Watershed (Luquillo Critical Zone Observatory, Puerto Rico). Xavier Comas, William Wright, Scott Hynek, Joe Orlando, Heather Buss, Susan Brantley (2014): AGU Fall Meeting. San Fransisco, CA
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Models
Icacos subsurface
Coupling CZ structure and CZ function with observations of the physical and chemical structure.
Coupling CZ structure and CZ function with observations of the physical and chemical structure.
Bedrock-to-Regolith
Bedrock and Regolith Weathering
Conceptual models of deep CZ structure and function.
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News
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Events
LCZO Webinar- Understanding the architecture of the deep CZO
Comas, X. "Understanding the architecture of the deep critical zone in the Rio Icacos watershed using hydrogeophysical methods: implications for modeling of fracture development." LCZO-FAU
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