GLYC6934 Environmental Geophysics
GLYC6934 Ground Penetrating Radar
GLYC6934 Wetlands Geosciences
GLYC4451: Solid Earth Geophysics
GLYC4700 Geomorphology
GLYC4400 Structural Geology
Recent Publications and
Presentations
PEER-REVIEWED JOURNAL ARTICLES:
Parsekian, A., Comas, X., Slater, L., and Glaser, P. Geophysical evidence for the lateral distribution of free-phase gas at the peat basin scale in a large northern peatland. Journal of Geophysical Research-Biogeosciences, 2010JG001543, In Press
Comas, X., Slater, L., and Reeve, A. 2011. Pool patterning in a northern peatland: geophysical evidence for the role of postglacial landforms. Journal of Hydrology, 399 (3-4): 173-184
Parsekian, A., Slater, L., Comas, X. and Glaser, P.,
2010. A comparison of biogenic gas accumulation between near-crest bogs and mid-slope lawns in the Glacial Lake Agassiz peatland using ground penetrating radar (GPR): evidence for free-phase gas variation along the peat column, Journal of Geophysical Research-Biogeosciences, 115, G02002, doi:10.1029/2009JG001086.
Kettridge, N.,
Comas, X., Baird, A., Slater, L.,
Strack, M., Thompson, D., Jol, H.,
and Binley A. 2008.
Ecohydrologically-important
subsurface structures in peatlands
are revealed by Ground-Penetrating
Radar and resistivity measurements.
Journal of Geophysical Research-Biogeosciences,
113, G04030,
doi:10.1029/2008JG000787.
Comas, X., Slater L., and Reeve A.
2008. Seasonal geophysical
monitoring of biogenic gases in a
northern peatland: Implications for
temporal and spatial variability in
free phase gas production rates,
Journal of Geophysical Research-Biogeosciences,
113, G01012,
doi:10.1029/2007JG000575.
Slater, L.,
Comas, X., Ntarlagiannis, D. and Roy
Moulik, M., 2007, Resistivity-based
monitoring of biogenic gasses in
peat soils. Water Resources
Research, In Press. Water Resources Research, 43, W10430, doi:10.1029/2007WR006090.
Comas, X. and Slater, L. 2007.
Evolution of biogenic gasses in peat
blocks inferred from non-invasive
dielectric permittivity
measurements. Water Resources
Research, 43, W05424, doi:
10.1029/2006WR005562.
Comas, X., Slater, L., and Reeve,
A., 2007. In situ monitoring of
ebullition from a peatland using
ground penetrating radar (GPR).
Geophysical Research Letters, 34
(6), L06402, doi:
10.1029/2006GL029014.
Comas, X., Slater, L and Reeve, A.,
2005. Geophysical and hydrological
evaluation of two bog complexes in a
Northern Peatland: Implications for
the distribution of biogenic gasses
at the basin scale. Global
Biogeochemical Cycles, 19, GB4023,
doi: 10.1029/2005GB002582.
Comas, X., Slater, L. and Reeve, A.,
2005. Stratigraphic controls on pool
formation in a domed bog inferred
from ground penetrating radar (GPR).
Journal of Hydrology, 315 (1-4),
40-51.
Comas, X., Slater, L and Reeve, A.,
2005. Spatial variability in
biogenic gas accumulations in peat
soils is revealed by ground
penetrating radar (GPR). Geophysical
Research Letters, 32 (8), L08401,
doi: 10.1029/2004GL022297.
Comas, X. and Slater, L., 2004.
Low-frequency electrical properties
of peat. Water Resources Research,
40 (12), W12414, doi:
10.1029/2004WR003534.
Comas, X., Slater, L. and Reeve, A.,
2004. Geophysical evidence for peat
basin morphology and stratigraphic
controls on vegetation observed in a
northern peatland. Journal of
Hydrology, 295, 173-184.
EDITED BOOKS:
Baird, A., Belyea, L., Comas, X., Reeve, A. and Slater, L., 2009, Carbon Cycling in Northern Peatlands, Geophysical Monograph 184, American Geophysical Union (AGU), Washington DC, 299 pp
BOOK
CHAPTERS:
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.
NEWS PIECES:
Slater, L., Comas, X., Reeve, A.,
and Jol, H. 2007. Peatlands
geophysics workshop. Eos Trans. AGU,
In Press. Eos Trans. AGU, In Press.
Recent Grants and
Contracts
“Collaborative research: investigating hydrology-driven models for methane cycling in northern peatlands”, National Science Foundation (NSF) 1045084, $90,405; 01/01/11-2/28/14.
“Multi-Scale Characterization of Dissolution Structures and Porosity Distribution in the Upper Part of the Biscayne Aquifer Using Non-Invasive Electromagnetic Methods”, Environmental Sciences Everglades Fellowship Award, National Park Service, support for a PhD Fellow, $63,595, 08/01/09-05/06/11.
“Spatial and temporal distribution of biogenic gases in shallow peat soils using dielectric permittivity measurements: a comparative study between subtropical and northern peatlands at the laboratory scale”, Environmental Sciences Everglades Fellowship Intern Award, National Park Service, $10,340; 01/07/10-09/01/10.
“Stratigraphic characterization of groundwater-dependent ecosystems using electromagnetic methods in the Upper Deschutes Basin, Oregon.” Consortium of Universities for the Advancement of Hydrologic Sciences, Inc. (CUAHSI) Hydrogeophysics Travel Grant (NSF funded), $3,188; 02/09/11.
“Pilot study to characterize biogenic gas dynamics in a subtropical peatland using hydrogeophysical methods: implications for biogenic gas distribution and carbon flux in the Everglades”; FAU, Division of Research, Faculty Research Mentoring Program, $3,000; 09/01/10-08/31/11.
Subcontract to “A hydrogeophysical
study of northern raised bogs:
implications for generic models of
peatland formation, vegetation
patterning, pool formation and
biogenic gas generation”, National
Science Foundation 0609534, $50,000,
08/01/06-07/31/08 (PI: L. Slater).
“FAU Climate Change Initiative Priority Theme: Research, engineering, and adaptation to a changing climate”, Research Priority Areas initiative, FAU, Division of Research, $495,891, 05/10-05/13 (co-PI).