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Recent Publications
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Clark, J. F., Washburn, L., Hornafius, J. S., and Luyendyk,
B. P. (2000) Dissolved hydrocarbon flux from natural marine seeps to the
southern California Bight. Journal of Geophysical Research, 105, 11,509-11,522.
pdf file |
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Leifer, I., J. F. Clark, and R. F. Chen (2000) Modifications
of the local environment by natural marine hydrocarbon seeps. Geophysical
Research Letters, 27, 3711-3714. pdf file |
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Clark, J. F. and G. B. Hudson (2001) Tracing hydrothermal
fluids in hypersaline Mono Lake using helium isotopes. Limnology and Oceanography,
46, 189-196. pdf file |
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Radamacher*, L. K., J. F. Clark, G. B. Hudson, D. C. Erman,
and N. A. Erman (2001) Chemical evolution of shallow groundwater as recorded
by springs, Sagehen basin, Nevada County California. Chemical Geology,
179, 37-51. pdf file |
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Boles, J. R., J. F. Clark, I. Leifer, L. Washburn (2002)
Temporal variation in natural methane seep rate due to tides, Coal Oil
Point area, California. Journal of Geophysical Research, 106, 27,077-27,086.
pdf file |
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Clark, J. F., I. Leifer, L. Washburn, B. P. Luyendyk (2003)
Compositional changes in natural gas bubble plumes: Observations from the
Coal Oil Point Seep Field. Geo-Marine Letters, 23, 187-193. |
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Clark, J. F., G. B. Hudson, M. L. Davisson, G. Woodside,
and R. Herndon (2004) Geochemical imaging of flow near an artificial recharge
facility, Orange County, CA. Ground Water, 42, 167-174. |
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Rademacher*, L. K., J. F. Clark, D. W. Clow, G. B. Hudson
(2005) Old groundwater influence on stream hydrochemistry and catchment
response in a small Sierra Nevada catchment: Sagehen Creek, California.
Water Resources Research, 41, W02004, doi:10.1029/2003WR002805. |
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Clark, J. F., G. B. Hudson, and D. Avisar (2005)
Gas transport below artificial recharge ponds: Insights from dissolved
noble gases and a dual gas (SF6 and 3He) tracer experiment. Environmental
Science and Technology, 39, 3939-3945. |
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Cook, P. G., S. Lamontagne, D. Berhane, J. F. Clark (2006)
Quantifying groundwater discharge to Cockburn River, southeastern Australia,
using dissolved gas tracers 222Rn and SF6. Water Resources Research, 42,
W10411, doi:10.1029/2006WR004921. |
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Leifer, I., B. P. Luyendyk, J. R. Boles, J. F.
Clark (2006) Natural marine seepage blowout: Contribution to atmospheric
methane. Global Biogeochemical Cycles, 20, GB3008 10.1029/2005GB002668. |
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Clark, J. F. and G. B. Hudson (2006) Excess air:
A new tracer for artificially recharged surface water. In: Recharge Systems
for Protecting and Enhancing Groundwater Resources, IHP-VI, Series on Groundwater
No. 13, UNESCO, 342-347. |
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*Graduate Student |
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Other Signnificant Publications
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Clark, J. F., H. J. Simpson, R. F. Bopp, and B. Deck (1992)
Geochemistry and loading history of phosphate and silicate in the Hudson
estuary. Estuarine, Coastal and Shelf Science, 34: 213-233. |
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Stute, M., P. Schlosser, J. F. Clark, and W. S. Broecker
(1992) Paleotemperatures in the southwestern United States derived from
noble gas measurements in groundwater. Science, 256, 1000-1003. |
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Clark, J. F., R. Wanninkhof, P. Schlosser, H. J. Simpson
(1994) Gas exchange in the tidal Hudson River using a dual tracer technique.
Tellus, 46B, 274-285. |
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Clark, J. F., P. Schlosser, R. Wanninkhof, H. J. Simpson,
W. S. F. Schuster, D. T. Ho (1995) Gas transfer velocities for SF6 and
3He in a small pond at low wind speeds. Geophysical Research Letters, 22,
93-97. |
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Clark, J. F., H. J. Simpson, R. F. Bopp, and B. Deck (1995)
Dissolved oxygen in lower Hudson estuary: 1978-93. Journal of Environmental
Engineering, ASCE., 121, 760-763. pdf file |
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Stute, M., M. Forster, H. Frischkorn, A. Serejo, J. F. Clark,
P. Schlosser, W. S. Broecker, and G. Bonani (1995) 5°C cooling of tropical
Brazil during the last glacial maximum. Science, 269, 379-383. |
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Clark, J. F., P. Schlosser, M. Stute, and H. J. Simpson (1996)
SF6 - 3He tracer release experiment: A new method of determining longitudinal
dispersion coefficients in large rivers. Environmental Science and Technology,
30, 1527-1532. pdf file |
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Clark, J. F., M. Stute, P. Schlosser, S. Drenkard, and G.
Bonani (1997) An isotope study of the Floridan aquifer in Southeastern
Georgia: Implications for groundwater flow and paleoclimate. Water Resources
Research, 33, 281-289. |
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Macfarlane, P. A., Clark, J. F., Davisson, M. L., Hudson, G. B., and
Whittemore, D. O. (2000) Late Quaternary ground water recharge in the central
Great Plains from geochemical tracers in shallow ground water. Quaternary
Research, 53, 167-174. pdf file |
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Quigley*, D. C., J. S. Hornafius, B. P. Luyendyk, R. D. Francis, J. F.
Clark, and L. Washburn (1999) Decrease in natural marine hydrocarbon seepage
near Coal Oil Point, California associated with offshore oil production.
Geology, 27, 1047-1050. pdf file |
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Rademacher*, L. K., J. F. Clark, and G. B. Hudson (2002) Temporal changes
in stable isotope composition of spring waters: Implications for recent
changes in climate and atmospheric circulation, Geology, 20, 139-142. pdf
file |
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Luyendyk, B. P., J. P. Kennett, and J. F. Clark (2005) Hypothesis
for increased atmospheric methane input from hydrocarbon seeps on exposed
continental shelves during glacial low sea level. Marine and Petroleum
Geology, 22, 591-596. |
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Reprints are available |
