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Publications:

Recent peer-reviewed journal articles (since 2014): * indicates student advised



Fabregat,, I., Gutiérrez, F., Roqué, C., Zarroca, M., Linares, R., Comas, X., Guerrero, J., Carbonel, D. 2019. Subsidence mechanisms and sedimentation in alluvial sinkholes inferred from trenching and ground penetrating radar (GPR). Implications for subsidence and flooding hazard assessment, Quaternary International, 525, 1-15, doi: 10.1016/j.quaint.2019.09.0080.

Comas, X.; Wright*, W.; Hynek, S.; Fletcher, R.; and Brantley, S. 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, Earth Surface Processes, and Landforms, doi: 10.1002/esp.4540.

Seo, Seokju; Perez, Gabriela; Tewari, Ketan; Comas, Xavier; Kim, Myeongsub. 2018. The catalytic activity of nickel nanoparticles stabilized by adsorbing polymers for enhanced carbon sequestration. Nature Scientific Reports. volume 8 (1), 11786.

Chen, X.; Comas, X.; Binley, A.; and Slater, L. 2018. A lumped bubble capacitance model controlled by matrix structure to describe layered biogenic gas bubble storage in shallow subtropical peat. Water Resources Research. 54 (8), 5487-5503.

Wright*, W., Ramirez, J., and Comas, X. Methane ebullition from subtropical peat: testing an ebullition model reveals the importance of pore structure. Geophysical Research Letters, 45 (14), 6992-6999, doi:10.1029/2018GL077352

Gutiérrez, F., Zarroca, M., Linares, R., Roqué, C., Carbonel D., Guerrero, J., McCalpin, J., Comas, X., Cooper, A. 2018. Identifying the boundaries of sinkholes and subsidence areas via trenching and establishing setback distances. Engineering Geology ,223: 255-268; doi:10.1016/j.enggeo.2017.12.0152017.

McClellan*, M., Comas, X., Benscoter, B., Hinkle, R., Sumner, D. 2017. Estimating belowground carbon stocks in isolated wetlands of the Northern Everglades Watershed, central Florida using ground-penetrating radar (GPR) and aerial imagery. Journal of Geophysical Research-Biogeosciences. 122 (11), 2804-2816, doi: 10.1002/2016JG003573.

Mustasaar*, M. and Comas, X. 2017. Spatiotemporal variability in biogenic gas dynamics and composition in a subtropical peat soil at the laboratory scale is revealed using ground-penetrating radar and gas traps. Journal of Geophysical Research-Biogeosciences, 122,doi: 10.1002/2016JG003714.

Comas, X.; Terry, N.; Hribljan, J.; Lilleskov, E. A.; Suarez, E.; Chimney, R. A.; and Kolka, R. K. 2017. Estimating belowground carbon stocks in peatlands of the Ecuadorian páramo using ground-penetrating radar (GPR). Journal of Geophysical Research-Biogeosciences, 122, doi:10.1002/2016JG003550.

Fabregat, I., Gutierrez, F., Roqué, C., Comas, X., Zarroca, M., Carbonel Portero, D., Guerrero, J., and Linares, R. 2017. Reconstructing the internal structure and long-term evolution of hazardous sinkholes combining trenching, electrical resistivity imaging (ERI) and ground-penetrating radar (GPR). Geomorphology, 285, 287–304.

Wright*, W., and X. Comas. 2016. Estimating methane gas production in peat soils of the Florida Everglades using hydrogeophysical methods, Journal of Geophysical Research: Biogeosciences, 121(4), 2015JG003246.

Orlando, J., X. Comas, S. A. Hynek, H. L. Buss, and S. L. Brantley, 2016. The 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), Earth Surface Processes and Landforms. 41(13), 1826-1840, doi: 10.1002/esp.3948.

Terry*, N., L. Slater, X. Comas, A. S. Reeve, K. V. R. Schäfer, and Z. Yu, 2016. Free phase gas processes in a northern peatland inferred from autonomous field-scale resistivity imaging, Water Resources Research., 52, 2996–3018, doi:10.1002/2015WR018111.

Pellicer, M., X., Corella, J. P., Gutiérrez, F., Roqué, C., Linares, R., Carbonel, D., Zarroca, M., Guerrero, J., Comas, X. 2016. Sedimentological and paleohydrological characterization of Late Pleistocene and Holocene tufa mound paleolakes using trenching methods in the Spanish Pyrenees. Sedimentology. 63: 1786-1819. doi: 10.1111/sed.12290.

Ramirez, J. A., Baird, A. J., Coulthard, T. J. The effect of pore pressure on ebullition from peat, J. Geophys. Res. Biogeosci., 121, doi:10.1002/2015JG003289.

Ramirez, J. A., Lichter, M., Coulthard, T. J., Skinner, C. Hyper-resolution mapping of regional storm surge and tide flooding: comparison of static and dynamic models. Nat Hazards (2016) 82:571–590, doi 10.1007/s11069-016-2198-z.

Comas X., Terry N., Slater L., Warren M., Kolka R., Kristijono A., Sudiana N., Nurjaman D., and Darusman, T. 2015. Imaging tropical peatlands in Indonesia using ground-penetrating radar (GPR) and electrical resistivity imaging (ERI): implications for carbon stock estimates and peat soil characterization. Biogeosciences, 11, 1-39, doi:10.5194/bgd-11-1-2014.

Mount*, G., Comas, X., Wright*, W., and McClellan*, M. 2015. Delineation of macroporous zones in the unsaturated portion of the Miami Limestone using ground-penetrating radar, Miami Dade County, Florida. Journal of Hydrology, 527, 872-883.

Comas, X. and Wright*, W. 2014. Investigating carbon flux variability in subtropical peat soils of the Everglades using hydrogeophysical methods. Journal of Geophysical Research-Biogeosciences, 119, doi:10.1002/2013JG002601.

Mount*, G. and Comas, X. 2014. Estimating porosity and solid dielectric permittivity in the Miami Limestone using high-frequency ground-penetrating radar measurements at the laboratory scale. Water Resources Research , 50 (10), 7590-7605,doi: 10.1002/2013WR014947.

Mount*, G., Comas, X., and Cunningham, K. 2014. Characterization of the porosity distribution in the upper part of the karst Biscayne aquifer using common offset ground penetrating radar, Everglades National Park, Florida. Journal of Hydrology, 515: 223-236.

Yeboah-Forson*, A, Comas, X., and Whitman, D.2014. Integration of electrical resistivity imaging and ground-penetrating radar to investigate solution features in the Biscayne Aquifer. Journal of Hydrology. 515: 129-138.

Pellicer, X., Linares, R., Gutiérrez, F., Comas, X., Roqué, C., Carbonel, D., Zarroca, M., and Rodríguez, A. 2014. Morpho-stratigraphic characterization of a tufa mound complex in the Spanish Pyrenees using ground-penetrating radar and trenching, implications for studies in Mars. Earth and Planetary Science Letters, 388: 197-210.

Bon, C. E., Reeve, A. S., Slater, L., and Comas, X. 2014. Using hydrologic measurements to investigate free phase gas ebullition in a Maine Peatland, USA, Hydrol. Earth Syst. Sci ., 18, 953-965, doi:10.5194/hess-10-953-2014.

 

Book chapters:

 

Comas, X. 2016. Peat, in Encyclopedia of Estuaries, edited by M. J. Kennish, pp. 476-480, Springer Netherlands, Dordrecht.

Comas, X. and Slater, L, 2009, Non-Invasive Field-Scale Characterization of Gaseous-Phase Methane Dynamics in Peatlands Using the Ground Penetrating Radar (GPR) Method: In, Baird, A., Belyea, L., Comas, X., Reeve, A. and Slater, L., Eds, Carbon Cycling in Northern Peatlands, Geophysical Monograph 184, American Geophysical Union (AGU), 159-172.

Reeve, A, Comas, X. and Slater, L., 2009, The influence of permeable mineral lenses on peatland hydrology In, Baird, A., Belyea, L., Comas, X., Reeve, A. and Slater, L., Eds, Carbon Cycling in Northern Peatlands, Geophysical Monograph 184, American Geophysical Union (AGU), 289-298.

Baird, A., Comas, X., Slater, L. Belyea, L. and Reeve, A.S., 2009, Understanding Carbon Cycling in Northern Peatlands: Recent Developments and Future Prospects, In, Baird, A., Belyea, L., Comas, X., Reeve, A. and Slater, L., Eds, Carbon Cycling in Northern Peatlands, Geophysical Monograph 184, American Geophysical Union (AGU), p 1-4.

Slater L., and Comas, X., 2009. The contribution of GPR to water resources research. Chapter 7 of Ground Penetrating Radar: Theory and Applications , Edited by H. Jol, Elsevier, 544 pp..

 

Recent published abstracts (since 2014): * indicates student advised

Comas, X., Brocard, G. Y., Harrison, E. J., Sirianni*, M., Cornett*, C., Vecchio*, M., Wright*, W., Brantley, S. L., and McDowell, W. H. Near-surface geophysical methods at multiple scales of measurement to understand variation in erosion rates and water storage in the Luquillo CZO, Puerto Rico. Abstract NS41B-0821 presented at the 2018 Fall Meeting AGU, Washington D.C., 10-14 Dec.

Chen, X., Comas, X., Yu, Z., Reeve, A., and Slater, L.D. Do permeable mineral deposits regulate peatland hydrology to locally preserve methane emissions from eccentric bogs? Asbtract B41G-2786 presented at the 2018 Fall Meeting AGU, Washington D.C., 10-14 Dec.

Sirianni*, M., Mount, G.and Comas, X. Using capacitively coupled resistivity and ground penetrating radar to investigate limestone bedrock heterogeneities under different subtropical wetland communities in Big Cypress National Preserve, Florida. Abstract NS41B-0822 presented at the 2018 Fall Meeting AGU, Washington D.C., 10-14 Dec.

Bole*, T., Comas, X., and Wright*, W. Structural Changes in Peat Soil Layering Dictate the Vertical Distribution and Dynamics of Biogenic Gases. Abstract B41G-2790 presented at the 2018 Fall Meeting AGU, Washington D.C., 10-14 Dec.

Silvestri, S., Knight, R. J., Viezzoli, A., Richardson, C. J., Anshari, G. Z., Flanagan, N. E., Dewar, N., Behroozmand, A., Comas, X., Efferso, F., Faber, I., Parsekian, A., Spitz, K., Wright*, W. A ground-breaking method to map peat thickness and detect the carbon pool of Indonesian peatlands. Abstract B21J-2469 presented at the 2018 Fall Meeting AGU, Washington D.C., 10-14 Dec.

Fabregat, I., Gutiérrez, F., Roqué, C., Zarroca, M., Linares, R., Comas, X., Carbonel, D., y Guerrero, J. (2018). Caracterización de dolinas de colapso mediante trenching, georadar y tomografía eléctrica de resistividades en el karst evaporítico del valle del Fluvia (NE de España). En: García, C., Gómez-Pujol, L., Morán-Tejada, E. y Batalla, R.J., (eds), Geomorfología del Antropoceno. Efectos del Cambio Global sobre los procesos geomorfológicos, 111-114. Universitat de les Illes Balears, Sociedad Española de Geomorfología, Palma.

Comas, X.; Wright*; W., Hynek, S.; Ntarlagiannis, D.; Terry, N.; Job*, M.; Fletcher, R.; and Brantley, S. L. 2017. Multi-scale geophysical study to model the distribution and development of fractures in relation to the knickpoint in the Luquillo Critical Zone Observatory (Puerto Rico). Abstract H44G-08 presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Sirianni, M*; Comas, X.; and Shoemaker, B. 2017. Characterizing spatial and temporal variability in methane gas-flux dynamics of subtropical wetlands in the Big Cypress National Preserve, Florida. Abstract B33E-2110 presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

McClellan, M.*; Cornett, C.†; Schaffer, L.† ; and Comas, X. 2017. Spatial and Temporal Variability in Biogenic Gas Accumulation and Release in The Greater Everglades at Multiple Scales of Measurement. Abstract B33E-2111 presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Chen, X.; Comas, X.; Binley, A.; Slater, L. D. 2017. Layered storage of biogenic methane-enriched gas bubbles in peat: A lumped capacitance model controlled by soil structure. Abstract B33E-2123 presented at the 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Wright*, W.; Ramirez, J.**; and Comas, X. Testing an Ebullition Model Shows the Importance of Peat Structure in The Florida Everglades. Abstract B33E-2135 presented at the 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Mount, G.; and Comas, X. 2017. Near Surface Geophysical Investigations of Potential Direct Recharge Zones in the Biscayne Aquifer within Everglades National Park, Florida.. Abstract H51C-1282 presented at the 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Comas, X., Wright*, W., Job*, M., Terry, N., Ntarlagiannis, D., Hynek, S. Brantley, S. L., and Fletcher, R. C. 2017.Understanding the architecture of the deep critical zone and its relation to knickpoint evolution in the Rio Icacos watershed (Luquillo Critical Zone Observatory, Puerto Rico) using hydrogeophysical methods. Current Advances and Future opportunities in Critical Zone science, Arlington, 4-5 June, 2017.

DiBiase, R. A.; Del Vecchio, J.; Mount, G. J.; Hayes, J. L.; Comas, X.; Guo, L.; Lin, H.; Zarif, F.; Forsythe, B.; Brantley, S. L. 2017. Shallow critical zone architecture of a headwater sandstone catchment quantified using near-surface geophysics. Current Advances and Future opportunities in Critical Zone science, Arlington, 4-5 June 2017.

Ramirez, J., Wright, W., Comas, X. 2017. Modeling methane ebullition from sub-tropical peat reveals the importance of pore structure. Geophysical Research Abstracts, Vol. 19, EGU2017-1805.

Terry, N., D. Ntarlagiannis, X. Comas, W. Wright*, M. Job*, and F. Whiting*, 2017. Complex electrical resistivity measurements at the Luquillo Critical Zone Observatory, presented at the Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP) 2017, Denver, CO. Mar. 19-23.

Comas, X., Wright*, W., Hynek, S., Ntarlagiannis, D., Terry, N., Whiting*, F., Job*, M., Brantley, S. L., and Fletcher, R. C. 2016. Integrated geophysical study to understand the architecture of the deep critical zone in the Luquillo Critical Zone Observatory (Puerto Rico). Abstract EP41F-02 presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec.

Sirianni*, M., Comas, X., Shoemaker, B., Job*, M., Cooper, H. 2016. Investigating spatial variability in gas-flux dynamics within Big Cypress National Preserve, Florida using hydrogeophysical methods. Abstract NS24A-06 presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec.

McClellan*, M., Job*, M., and Comas, X. 2016.: Carbon Dynamics in Isolated Wetlands of the Northern Everglades Watershed is Revealed using Hydrogeophysical Methods and Aerial Imagery. Abstract NS21B-1896 presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec.

Dibiase, R. A., Del Vecchio, J., Mount, G. J., Hayes, Comas, X., Guo, L., Lin, H., Zarif, F., Forsythe, B., and Brantley, S. 2016. Quantifying the spatial variability in critical zone architecture through surface mapping and near-surface geophysics (Invited) Abstract EP41F-01 presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec.

Mount, G., Guo, L., Comas, X., Dibiase, R., Hayes, J., Del Vecchio, J., Forysthe, B., Brantley, S., and Lin, H. 2016. Characterizing Subsurface Lithology and Hydrological Processes at the Susquehanna Shale Hills CZO Using Multi-scale Near-surface Geophysical Measurements. Abstract EP43C-0983 presented at 2016 Fall Meeting, AGU, San Francisco, Calif., 12-16 Dec.

Hynkek, S., Comas, X., and Brantley, S. 2016. The effect of fractures on weathering of igneous and volcaniclastic sedimentary rocks in the Puerto Rican tropical rain forest. Abstract EA 432 presented at the 15th Water-Rock Interaction International Symposium, Évora, Portugal, 16-21 October.

Del Vecchio, J., Martin, C., Mount, G. J., Hayes, J., Comas, X., Dibiase, R. A. 2016. Surface and subsurface characteristics of periglacial landscape modification in central Pennsylvania. Geological Society of America Abstracts with Programs. Vol. 48, No. 7; doi: 10.1130/abs/2016AM-287524. Denver, Colorado, September 25-28, 2016.

Comas, X., Wright*, W., Hynek, S., Orlando, J., Ntarlagiannis, D., Buss, H., Brantley, S. 2015. Understanding the architecture of the deep critical zone in the Rio Icacos watershed (Luquillo Critical Zone Observatory, Puerto Rico) using a combination of hydrogeophysical methods. Abstract H51R-08 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Wright*, W., Shahan*, T., Sharp*, N., and Comas, X. 2015. Time-Lapse Geophysical Measurements targeting Spatial and Temporal Variability in Biogenic Gas Production from Peat Soils in a Hydrologically Controlled Wetland in the Florida Everglades. Abstract B41C-0446 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Sirianni*, M., and Comas, X. 2015. The Effect of Increased Salinity and Temperature in Peat Soils from the Everglades: Implications for Biogenic Gas Production and Release Under a Sea Level Rise Scenario. Abstract B21H-0577 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Ntarlagiannis, D., Comas, X., Wright*, W., Recinos, E., Hynek, S., Brantley, S. 2015. Spatially continuous characterization of the bedrock – regolith interface at the Rio Icacos Watershed (Luquillo Critical Zone Observatory) Puerto Rico. Abstract NS41A-1922 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Terry, N., Slater, L., Comas, X., Mwakanyamale, K., Wright*, W., Freeburg†, Z., Goldman, B., Morocho, A. 2015. Spatial Variability in Biogenic Gas Dynamics in Relation to Vegetation Cover in a Northern Peatland from Ground Penetrating Radar (GPR). Abstract NS41B-1949 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

McClellan*, M., Wright*, W., Job†, M., and Comas, X. 2015. High Temporal Resolution Measurements to Investigate Carbon Dynamics in Subtropical Peat Soils Using Automated Ground Penetrating Radar (GPR) Measurements at the Laboratory Scale. Abstract NS44A-07 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Mount, G., and Comas, X. 2015. High-Resolution ground penetrating radar (GPR) measurements at the laboratory scale to model porosity and permeability in the Miami Limestone in South Florida. Abstract NS44A-04 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Munzenrieder*, C., and Comas, X. 2015. Using capacitance moisture probes to investigate the effect of changes in water table elevation on biogenic gas dynamics in peat soils from the Florida Everglades. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Garcia†, A., and Comas, X. 2015. Temporal variability of biogenic gases in peat soils from Water Conservation Area 3 in the Everglades using capacitance moisture probes. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Job†, M., Collins†, M., McClellan*, M., Sirianni*, M., Wright*, W., Munzenrieder*, C., and Comas, X. Variability of biogenic gas emissions due to temperature variations in peat soils from the Everglades. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Collins†, M., Job†, M., Sirianni*, M., McClellan*, M., Wright*, W., and Comas, X. Temporal Variability of Biogenic Gases in Peat Soils from the Everglades from Simulated Changes in Atmospheric Pressure. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Wright*, W., Ramirez**, J., and Comas, X. 2015. Using hydrogeophysical methods for estimating rates of biogenic gas production in peat soils of the Florida Everglades. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

McClellan*, M., Shahan*, T., Sharp*, N., and Comas, X., Using high-frequency ground-penetrating radar (GPR) at the laboratory scale to investigate the spatial variability in releases of biogenic gases from three subtropical wetland ecosystems in Central Florida. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Mount**, G., Comas, X., Wright*, W., and McClellan*, M. Characterization of porosity in the unsaturated zone of the Miami Limestone using ground-penetrating radar, Miami, Florida. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Leung*, T., Comas, X., and Root, T. 2015. Spatial variability in soil physical characteristics in Boca Raton, FL revealed by ground-penetrating radar (GPR). Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Reeve, A., Slater, L., and Comas, X. 2015. Measuring biogenic gas ebullition events using hydraulic head time series data in Caribou Bog, Maine. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Terry, N., Slater, L., Comas, X., Reeve, A., Schafer, K., and Zhongjie, Y. 2015. The influence of pressure on free-phase gas dynamics in a northern peatland from field-scale resistivity imaging. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.399. Baltimore, Maryland, 1-4 November 2015.

Comas, X., Wright*, W., and McClellan*, M. 2015. Investigating carbon stocks and fluxes in subtropical peatlands using ground-penetrating radar (GPR) (INVITED). Near Surface Asia Pacific Conference; 7-10 July, 2015; Waikoloa, Hawaii, USA.

Zarroca, M., Carbonel, D., Comas, X., Gutiérrez, F., Guerrero, J., Linares, R., Roqué, C., Mozafari, M., Pellicer, X. (2015). Aplicación de GPR, ERT y análisis de retrodeformación para reconstruir el impacto del desarrollo de dolinas en la dinámica y sedimentación fluvial, valle del Gállego, NE de España. En: Galve, J.P., Azañón, J.M., Pérez-Peña, J.V., Ruano, P. (Eds.). XIV Reunión Nacional de Cuaternario. Una visión global del Cuaternario. Granada, 219-222.

Comas, X., Slater, L., Terry, N., Parsekian, A., Wright*, W., McClellan*, M. 2015. Using Ground Penetrating Radar (GPR) to Investigate Greenhouse Gas Releases from Peatland Ecosystems: from boreal to subtropical systems (INVITED). Joint Assembly AGU-GAC-MAC-CGU, May 3-7, 2015, Montreal, Canada. McClellan*, M., Wright*, W., Comas, X. 2015. Spatial Variability in Biogenic Gas Releases from Subtropical Wetland Ecosystems is Revealed from Ground Penetrating Radar (GPR) at the Lab and Field Scale. Joint Assembly AGU-GAC-MAC-CGU, May 3-7, 2015, Montreal, Canada.

Wright*, W., Shahan*, T., Sharp*, N., Comas, X. 2015. Time-lapse geophysical measurements targeting spatial and temporal variability in biogenic gas distribution and releases from peat soils in a hydrologically controlled wetland in the Everglades. Joint Assembly AGU-GAC-MAC-CGU, May 3-7, 2015, Montreal, Canada.

Terry, N., Slater, L., Comas, X., Schafer, K., Zhongjie, Y., Reeve, A. 2015. Controls on below ground free phase gas dynamics in a Northern peatland inferred from field-scale electrical resistivity tomography (ERT). Joint Assembly AGU-GAC-MAC-CGU, May 3-7, 2015, Montreal, Canada.

Comas, X., Wright*, W. 2015. Carbon flux variability in the Everglades using hydrogeophysical methods (INVITED). Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Ramirez**, J., Wright*, W., Comas, X. 2015. Modeling methane ebullition from peat soils of the Florida Everglades. Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Sirianni*, M., Comas, X. 2015. Investigating the effects of increased salinity and temperature on Carbon gas dynamics of subtropical peat soils. Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Munzenrieder*, C., Garcia*, A., Comas, X. 2015. Examining biogenic gas dynamics in peat soils of the Florida Everglades using capacitance moisture probes. Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Sharp*, N., Shahan*, T., Wright*, W., Comas, X. 2015. Utilizing ground penetrating radar (GPR) to investigate the temporal and spatial distribution of biogenic gases from peat soils at the Loxahatchee Impoundment Landscape Assessment (LILA). Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

McClellan*, M., Wright*, W., Shahan*, T., Sharp*, N., Mount**, G., Comas, X. 2015. Spatial Variability in Biogenic Gas Releases from Subtropical Peat Monoliths is Revealed from High-Frequency Ground Penetrating Radar (GPR). Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Mount**, G. J., Comas, X., McClellan*, M., Wright*, W. 2015. Using ground-penetrating radar (GPR) to image spatial variability in porosity in the Miami Limestone. Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Wright*, W., Mount**, G. J., McClellan*, M., Comas, X. 2015. Seasonal biogenic gas dynamics in the Florida Everglades are revealed using hydrogeophysical methods. Greater Everglades Ecosystem Restoration (GEER), April 21-23, Coral Springs, FL.

Munzenrieder*, C. N. and Comas, X. 2015. Using capacitance probes for investigating biogenic gas dynamics in peat soils from the Everglades. Geological Society of America Abstracts with Programs. Vol. 47, No. 7, p.16. Southeastern Section; 64th Annual Meeting; Chattanooga, TN, 19–20 March 2015.

Garcia*, A. D. and Comas, X. 2015. Temporal variability of biogenic gases in peat soils from the Everglades using capacitance moisture probes. Geological Society of America Abstracts with Programs. Vol. 47, No. 2, p.79. Southeastern Section; 64th Annual Meeting; Chattanooga, TN, 19–20 March 2015. Winner of the Undergraduate Poster Session.

Comas, X., Wright*, W., Hynek, S., Orlando, J., Buss, H., Brantley, S. 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). Abstract H31E-0670 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

McClellan*, M., Comas, X., Wright*, W., Mount*, G. 2014. Estimating Carbon Stocks Along Depressional Wetlands Using Ground Penetrating Radar (GPR) in the Disney Wilderness Preserve (Orlando, Florida). Abstract B31C-0029 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Wright*, W., Comas, X., Mount*, G., McClellan*, M. 2014. Multiple seasons, field-scale exploration of biogenic gas dynamics in two peat soils of the Florida Everglades using hydrogeophysics. Abstract B31C-0034 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Mount*, G., Comas, X., Wright*, W., McClellan*, M. 2014. Characterization of the spatial distribution of porosity in the ecogenetic karst Miami Limestone using ground-penetrating radar. Abstract EP23B-3604 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Benscoter, B., McClellan*, M., Benavides, V., Harshbarger, D., Comas, X. 2014. Estimating Carbon Stocks and Atmospheric Exchange of Depressional Marshes on the Central Florida Landscape. Abstract B41C-0043 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Terry N., Comas X., Slater L., Warren M., Kolka R., Kristijono A., Sudiana N., Nurjaman D., Taryono Darusman. 2014. Improving Indonesian peatland C stock estimates using ground-penetrating radar (GPR) and electrical resistivity imaging (ERI). Abstract B31C-0028 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.

Campbell, A., Comas, X. and Wright, W*. Endangered Lizard Nest Detection Using Ground Penetrating Radar. Association of Zoos and Aquariums and International Marine Animal Trainer's Association 2014 Annual Conference, Orlando, 12-18 September.

Benscoter, B., Hinkle, R., Comas, X., DeAngelis, D., Shoemaker, B., Sumner, D. Community Carbon exchange along with an ecosystem hydrologic gradient in the Florida Everglades. Joint Aquatic Sciences Meeting 2014, Portland, Oregon. May 18-23.