Education
Ph.D. Rutgers University, 2005
B.Sc., Universitat de Barcelona
(Spain), 2000
Research Interests
Peatland Geophysics: Ground
Penetrating Radar (GPR), Resistivity
and Induced Polarization (IP)
imaging, EM31
Electrical and hydrological
properties of organic sediments:
electrical IP properties of peat;
hydraulic measurements in organic
sediments, methane quantification
and genesis in peat soils
Environmental hydrogeophysics:
applications in wetland studies
Teaching
GLYC4700 Geomorphology
List of Theses
Supervised
Recent Publications and
Presentations
Slater, L.,
Comas, X., Ntarlagiannis, D. and Roy
Moulik, M., Resistivity-based
monitoring of biogenic gasses in
peat soils. Water Resources
Research, In Press
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.
NEWS PIECES
Slater, L., Comas, X., Reeve, A.,
and Jol, H. 2007. Peatlands
geophysics workshop. Eos Trans. AGU,
In Press.
ABSTRACTS
Jol, H. M.,Comas, X., Slater, L.,
Fisher, T. G., and Reeve A., 2007.
Ground Penetrating Radar: a
non-invasive, high-resolution method
for the development of facies models
in eskers. Geological Society of
America (GSA) Annual Meeting, Oct
28-31, 2007, Denver, CO. Paper 43-6.
Reeve A., Slater, L., and Comas, X.,
2007. Hydrogeologic assessment of
the eutrophication of the Sieur de
Monts Spring, Acadia National Park.
Geological Society of America (GSA)
Annual Meeting, Oct 28-31, 2007,
Denver, CO. Paper 11-3.
Comas, X., Slater, L., and Reeve,
A., 2007. Long term monitoring of
biogenic gasses in peat soils using
electromagnetic (EM) measurements.
Eos Trans. AGU, 88(23), Jt. Assem.
Suppl. Abstract NS43A-04.
Slater, L., Roy Moulik, M., Comas,
X., Ntarlaginannis, D., 2007.
Resistivity-based geophysical
monitoring of biogenic gas dynamics
in a large peat block. Eos Trans.
AGU, 88(23), Jt. Assem. Suppl.
Abstract NS43A-05.
Reeve, A., Comas, X., Slater, L.,
2007. Hydrogeologic assessment of
the eutrophication of the Sieur de
Monts spring, Acadia National Park.
Maine Water Conference, March 21,
2007, Augusta, ME.
Comas, X., Slater, L., Reeve A.,
Nolan, J., and O’Brien, M., 2006.
Evolution of biogenic gasses in peat
soils using Ground Penetrating Radar
(GPR). Geological Society of America
(GSA) Annual Meeting, Oct 22-25,
2006, Philadelphia, PA. Paper
104-11. Abstract 113741.
Roy Moulik, M., Comas, X., and
Slater, L., 2006. The relationship
between electrical resistivity and
biogenic free phase gas (FPG) build
up in peat soils. Geological Society
of America (GSA) Annual Meeting, Oct
22-25, 2006, Philadelphia, PA. Paper
104-12. Abstract 113480.
Nolan, J., Slater, L., Comas, X.,
and O’Brien, M., 2006. Geophysical
investigation of Kanokolus Bog
(Maine): implications for peat basin
development. Geological Society of
America (GSA) Annual Meeting, Oct
22-25, 2006, Philadelphia, PA. Paper
104-13. Abstract 116104.
Slater, L., Comas, X., and Reeve A.,
2006. Using Near Surface Geophysics
to characterize peatland systems.
Geological Society of America (GSA)
Annual Meeting, Oct 22-25, 2006,
Philadelphia, PA. Paper 104-5.
Abstract 113600.
Comas, X. and Slater, L., 2006.
Evolution and Distribution of
Biogenic Gasses in Peat Soils. 18th
IAGA WG 1.2 Workshop on
Electromagnetic Induction in the
Earth, El Vendrell, Spain, September
17-23. Extended Abstract, S.1- P.20.
Comas, X., Slater, L., and Roy
Moulik, M., 2006. The use of
geophysical techniques to monitor
the evolution and spatial
distribution of biogenic gasses in
peat soils. Eos Trans. AGU, 87(36),
Jt. Assem. Suppl. Abstract NS24A-04.
Comas, X., Slater, L. and Reeve A.,
2005. Estimation of biogenic gas
distribution in a northern peatland
using surface and borehole Ground
Penetrating Radar. Eos Trans. AGU,
86(18), Jt. Assem. Suppl. Abstract
NB33C-16.
Comas, X. and Slater, L., 2003.
Electrical and hydraulic properties
of humified bog peat as a function
of pore-fluid conductivity. American
Geophysical Union Fall Meeting, Dec
6-10, 2003, San Francisco, CA. Eos
Trans. AGU, 84(46), Fall Meet.
Suppl. Abstract H22C-0938.
Comas, X., Slater, L. and Reeve A.,
2003. Stratigraphic and lithologic
controls on pool formation in a
northern peatland using ground
penetrating radar. Geological
Society of America (GSA) Annual
Meeting, Nov 2-6, 2003, Seattle, WA.
Paper 165-4. Abstract 65363.
Slater, L., Reeve, A., Utne, I. J.,
Comas, X., and Ulrich, C. A., 2002.
Geophysical Evidence for Lithologic
and Hydrogeological Controls on
Vegetation Communities in a Large
Northern Peatland. Eos Trans. AGU,
83(47), Fall Meet. Suppl., Abstract
H52A-0841.
Comas, X. and Slater, L., 2002. Low
frequency electrical properties of
organic sediments. Society
Exploration Geophysics (SEG)
Expanded abstracts 2002, Historical
Series, NEG 2 - NSG 2: Non-Seismic
Studies, 1456-1459.
Recent Grants and
Contracts
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.
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