PUBLICATIONS
Johan
C. Varekamp
HAROLD T. STEARNS
PROFESSOR IN EARTH SCIENCES
Department of Earth &
Environmental Sciences, Wesleyan University,
265 Church Street,
Middletown CT 06459-0139, USA
e-mail: jvarekamp@wesleyan.edu Tel: 860 685
2248 Fax: (860) 685 3651
http://www.wesleyan.edu/ees/JCV/varekamp.html
I. MERCURY
GEOCHEMISTRY
HG-1. Varekamp, J.C. and Buseck, P.R.,
1981: Mercury emissions from Mt. St. Helens during September 1980. Nature, 293,
555-556.
HG-2. Varekamp, J.C. and Buseck, P.R.,
1983: Hg anomalies in soils: a geochemical exploration method for geothermal
areas. Geothermics, 12, 29-47.
HG-3. Varekamp, J.C. and Buseck, P.R.,
1984: The speciation of mercury in hydrothermal systems, with applications for
ore deposition. Geochim. Cosm. Acta, 48, 177-186.
HG-4. Varekamp, J.C. and Buseck, P.R.,
1984: Changing mercury anomalies in Long Valley, California: Indication for
magma movement or seismic activity. Geology, 12, 283-286.
HG-5. Varekamp, J.C. and Buseck, P.R.,
1986: Global mercury flux from volcanic and geothermal sources. Applied
Geochemistry, 1, 65-73.
HG-6. Varekamp, J.C., and Waibel, A.,
1987: Natural cause for mercury pollution at Clear Lake, California, and
paleotectonic inferences, Geology 15, 1018-1021.
HG-7. Varekamp, J.C., Buchholtz ten Brink, M.R., Mecray, E.L., and Kreulen*, B., 2000, Mercury in Long Island Sound sediments. J. Coastal Research. Spec. issue, vol. 16, 613-626.
HG-8. Varekamp, J.C., Kreulen*, B.,
Buchholtz ten Brink, M.F, and Mecray, E., 2003, Mercury contamination chronologies
from Connecticut wetlands and Long Island Sound sediments. Environmental
Geology, 43, 268-282.
HG-9. Varekamp, J.C., Mecray, E.L., and Zierzow, T., 2005, Once spilled, still found: Metal contamination in Connecticut wetlands and Long Island Sound sediment from historic industries. Chapter in book on ÔOur Changing CoastsÕ, editors Whitelaw and Visiglione, E.Elgar Publishers, Chapter 9, p. 122-147.
HG-10. Dunagan, S.C., M. S. Gilmore and J. C.
Varekamp. Effects of Mercury on
visible/near-infrared reflectance spectra of Mustard Spinach plants (Brassica
rapa P.), J. of Envir. Pollution, doi:10.1016/j.envpol.2006.10.023.
II. VOLCANIC VOLATILES, CRATER LAKES AND GEOTHERMAL SYSTEMS
VG-1. Thomas, E., Varekamp, J.C. and
Buseck, P.R., 1982: Zinc enrichment in the phreatic ashes from Mt. St. Helens.
J. Volc. Geoth. Res., 12, 339-350.
VG-2. Varekamp, J.C., Luhr, J.F. and
Prestegaard, K.L., 1984: The 1982 eruptions of El Chichon volcano (Chiapas,
Mexico): Character of the eruptions, ash-fall deposits, and gasphase. J. Volc.
Geoth. Res., 23, 39-68.
VG-3. Varekamp, J.C., Thomas, E.,
Germani, M. and Buseck, P.R., 1986: Particle chemistry of the volcanic plumes
of Mt. Etna and Mt. St. Helens. J. Geophys. Res., 91, B12, 12,233-12,248.
VG-4. Poorter, R.P.E., Varekamp, J.C.
et al., 1989: The Sirung volcanic boiling spring: An extreme chloride-rich,
acid brine on Pantar (Lesser Sunda Islands, Indonesia). Chemical Geology, 76,
215-228.
VG-5. Poorter, R.P.E., Varekamp, J.C.,
et al., 1989: Geochemistry of hot springs and fumarolic gases from the Banda
Arc and Eastern Sunda Arc. Neth. J. of Sea Res., 24, 323-331.
VG-6. Poorter, R.P.E., Varekamp, J.C.,
et al., 1991: Geochemistry and isotopic composition of volcanic gases from the
Banda and Eastern Sunda arcs, Indonesia, Geochim. Cosmochim. Acta 55,
3795-3807.
VG-7 Varekamp J.C., Kreulen R.,
Poorter R.P.E. and VanBergen M.J. , 1992: Carbon sources of arc volcanism with
applications for the carbon cycle. Terra Nova 4, Spec. Issue Global Change (ed.
Wezel), 363-373.
VG-8. Pasternack*, G. P. and Varekamp,
J.C., 1994: The geochemistry of the Keli Mutu crater lakes, Flores, Indonesia.
Geochemical Journal 28, 243-262.
VG-9. Pasternack*, G.B. and Varekamp
J.C., 1997: Volcanic lake systematics. I. Physical constraints. Bull. Volc. 58,
528-538.
VG-10. Varekamp, J.C., and Kreulen, R.:
The stable isotope geochemistry of volcanic lakes: examples from Indonesia.
2000, J.Volc. Geothermal Res. 97, 309-327.
VG-11. Sriwana, T., VanBergen, M.J., and
Varekamp, J.C., 2000, The geochemistry of Kawah Putih, an acid crater lake in
Java, Indonesia, J.Volc. Geoth. Res. 97, 77-104.
VG-12.Varekamp, J.C., Pasternack*, G.B.
and Rowe, G.L., 2000, Volcanic lake systematics II. Chemical constraints.
J.Volc. Geothermal Res. 97, 161-180.
VG-13. Fehn, U., Snijder, G. and Varekamp, J.C., 2000, Evidence for marine sediment recycling in subduction zones from 129I in crater lakes. J. Volcan. Geoth. Res., 115, 451-460, pdf .
VG-14. Varekamp, J.C., Ouimette, A., Herman, S., Delpino, D., and Bermudez, A., 2001, The 1990-2000 eruptions of Copahue, Argentina: a 'bee-hive volcano' in turmoil. Geology 29, 1059-1062 (with cover photo).
VG-15. Varekamp, J.C., Ouimette, A. and Kreulen. R., 2004, The magmato-hydrothermal system of Copahue volcano, Argentina. WRI-11, v.1, 215-218, Balkema Publishers, Leiden, pdf.
VG-16. Varekamp, J.C., 2004, Copahue Volcano: a modern terrestrial analog for the Opportunity Landing site? Eos, 82, 41, p. 401-407.
VG-17.Varekamp, J.C., 2003, Lake contamination models: evolution towards steady state in stratified lakes. J. of Limnology, 62 (suppl.1), 67-72, pdf .
VG-18. Varekamp, J.C., 2005, Reply to comment by Jorge Guala-Valverde on: Lake contamination models for evolution towards steady state. J. Limnology 24, 159-160.
VG-19. Gammons C. H., Wood S. A., Pedrozo F., Varekamp J.C., Nelson B., Shope C.L., and Baffico, G. 2005 Hydrogeochemistry and rare earth element behavior in a volcanically acidified watershed in Patagonia, Argentina. Chemical Geology 222, 249-267 pdf.
VG-20. Hern‡ndez, P.A., N. M. PŽrez, J. C. Varekamp, B. Henriquez, A. Hern‡ndez, J. Barrancos, E. Padr—n David Calvo and
G. Meli‡n, ms, Crater lake temperature changes of the 2005 eruption of Santa Ana volcano, El Salvador, Central America, Pure and Applied Geophysics, special Issue - Volcano Monitoring pdf .
VG-21. Varekamp, J. C. (in revision) The acidification of glacial Lake Caviahue, Province of Neuquen, Argentina. Special issue Volcanic LakesÕ, JVGR.
VG-22. Varekamp, J.C., Herman, S., Ouimette, A.,
Flynn, K.. Natural acid fluids from volcanic sources. Applied Geochemistry, ms.
VP-1. Barton, M., Varekamp, J.C. and
van Bergen, M.J., 1982: Complex zoning of clinopyroxenes in the lavas of
Vulsini, Latium, Italy: Evidence for magma mixing. J. Volc. Geoth. Res., 14,
361-388.
VP-2. Varekamp, J.C., 1983: The
significance of mafic nodules in the ultra-potassic rocks from Italy, a
discussion. J. Volc. Geoth. Res., 16, 161-165.
VP-3. Luhr, J.F., Carmichael, I.S.E.
and Varekamp, J.C., 1984: The 1982 eruptions of El Chichon volcano, Chiapas,
Mexico: Mineralogy and petrology of the anhydrite-bearing pumices. J. Volc. Geoth. Res., 23, 69-108.
VP-4. Varekamp, J.C., and Kalamarides,
R., 1989: Hybridization processes in leucite tephrites from Vulsini (Italy),
and the evolution of the Italian potassic suite. J. Geophys. Res., 94, B4,
4603-4618.
VP-5. Varekamp, J.C., et al., 1989:
Volcanism and tectonics in the eastern Sunda Arc, Indonesia, Neth. J. of Sea
Res., 24, 303-312.
VP-6. Van Bergen, M.J., Varekamp,
J.C., et al., 1989: Spatial variations in geochemical signatures of arc
volcanism in East Indonesia. Neth. J. of Sea Res., 24, 313-322.
VP-7. VanBergen, M.J., Vroon, P.Z.,
Varekamp, J.C., and Poorter R.P.E., 1992: The origin of the potassic rock suite
of Batu Tara (East Sunda Arc, Indonesia). Lithos 28, 261-282.
VP-8. Vroon, P.Z., Van Bergen,
M.J., White W.M., and Varekamp,
J.C., 1994: Sr-Nd-Pb isotope systematics of the Banda arc, Indonesia: Combined
subduction and assimilation of continental material. J. Geophys. Res. 98,
22,349-22,366.
VP-9. Francalanci,
L., Varekamp, J.C., Vougioukalakis, G., Defant, M.J., Innocenti, F., and
Manetti, P., 1995: Crystal retention, fractionation, and crustal assimilation
in a convecting magma chamber, Nisyros volcano, Greece, Bull. Volcanol. 56, 601-620.
VP-10. Hoogewerff, J.A., VanBergen, M.J.,
Vroon, P.Z., Hertogen, J., Wordel, R., Sneyers, A., Nasution, A., Varekamp,
J.C., Moens, H.L.E., and Mouchel, D., 1997: U-series, Sr-Nd-Pb isotope and
trace-element systematics across an active island arc-continent collision zone:
Implications for element transfer at the slab-wedge interface. Geochimica
Cosmochimica Acta, 61, p.1057-1072.
VP-11.
Varekamp, J.C., J. Maarten deMoor, Matt D. Merrill, Anna S. Colvin, Adam R. Goss, Pieter Z. Vroon and David R. Hilton, 2006, The Geochemistry and Isotopic Characteristics of the Caviahue Copahue Volcanic Complex, Province of Neuquen, Argentina. GSA Special Paper, 407, 317-342. pdf
VP-12. Francalanci, L., Varekamp, J.C., Vougioukalakis, G.E., Innocenti, F. and Manetti, P., Is there a compositional gap at Nysiros volcano? A Comment. Lithos. doi:10.1016/j.lithos.2006.06.016 in press.
IV. VOLCANOLOGY
V-1. Varekamp, J.C., 1979: The geology
and petrology of the Vulsinian volcanic area, Latium, Italy. Geologica
Ultraectina, 22, p. 384.
V-2. Varekamp, J.C., 1980: The Geology
of the Vulsinian volcanic area, Latium, Italy. Bull. Volc., 43, 487-503.
V-3. Varekamp, J.C., 1980: Relations
between tectonics and volcanism in the Roman province, Italy. In: Tephra
studies. Eds. Self, S. and Sparks, R.S.J., NATO Advanced Study Institute
Series, Series C, 219-225.
V-4. Limburg*, E. and Varekamp, J.C.,
1991: Young Pumice deposits on Nisyros, Greece. Bull. of Volc. 54, 68-77.
V-5. Varekamp, J.C., 1992: Some
remarks on volcanic vent evolution during plinian eruptions. J. Volc. Geotherm.
Res. 54, 309-318.
V. ENVIRONMENTAL STUDIES
ES-1. Varekamp, J.C., 1988: Lake
pollution modelling. J. Geol. Educ., 36, 4-9.
ES-2. Thomas, E. and Varekamp, J.C.,
1991: Paleo-Environmental analyses of marsh sequences (Clinton, CT): Evidence
for punctuated sealevel rise during the latest Holocene. Journal of Coastal
Research, special issue, v.11, 125-158.
ES-3. Varekamp, J.C., 1991: Trace
element geochemistry and pollution history of mudflat and marsh sediments from
the Connecticut coastline. Journal of Coastal Research, spec. issue, v.11,
105-123.
ES-4. Varekamp, J.C., Thomas, E. and
van de Plassche, O., 1992: Relative sea level rise and climate change over the
last 1500 years. Terra Nova 4,
Spec. Issue Global Change (ed. Wezel), 293-304.
ES-5. Nydick,
K.R., Bidwell, A., Thomas, E. and Varekamp, J.C., 1995: A sealevel rise curve
from Guilford, CT, Marine Geology 124, 137-159.
ES-6. Varekamp, J.C. and Thomas, E.,
1998: Climate change and the rise and fall of sea level over the millenium. EOS
79, p. 69-75.
ES-7. Varekamp, J.C. and Thomas, E. , 1998: Volcanic and anthropogenic contributions to global weathering budgets. J. Geochem. Exploration, 62, 149-159 pdf.
ES-8.Varekamp, J.C., Thomas, E., and
Thompson, W.G., 1999: Sea level - climate correlation during the past 1400 yr:
A comment. Geology, 27, 189-190.
ES-9. Thomas, E., Gapotchenko*, T.,
Varekamp, J.C., Buchholtz ten Brink, M.F., and Mecray, E., 2000, Foraminifera
in Long Island Sound surface sediments in 1999: evidence for recent
environmental change, J. Coastal
Research. Spec. issue, vol. 16,
641-655.
ES-10.
Varekamp, J.C. 2006, The historic fur trade and climate change. Eos, 87, # 52, 26 December 2006 pdf .
ES-11.
Varekamp, J. C., Thomas, E. and Lewis, R., submitted, The early history of Long
Island Sound. Geology (in review)
ES-12. Varekamp, J.C. and Thomas, E.,
Paleoenvironmental records from salt marshes in Connecticut: sea level rise and
human impacts. EPSL (ms).
ES-13. Heller, N., Kruge, M., Meigs*,
K., and Varekamp, J.C., Organic
and metallic contaminants in the Housatonic River estuary, CT. EST (ms)
ES-14. Varekamp, J.C., et al., The
history of eutrophication of Long Island Sound. I. Chemical indicators. Limnology and Oceanography (ms).
VII. OTHER TOPICS
O-1. Wensink, H., Zijderveld, J.D.A.
and Varekamp, J.C., 1978: Paleomagnetism and ore mineralogy of some basalts of
the Geirud formation of Late Devonian-Early Carboniferous age from Southern
Alborz, Iran. Earth Plan. Sc. Lett., 41, 441-450.
O-2. Wensink, H. and Varekamp, J.C.,
1980: Paleomagnetism of basalts from Alborz. Iran part of Asia in the
Cretaceous. Tectonophysics, 68, 113-129.
O-3. Varekamp, J.C. and Thomas, E.,
1982: Chalcophile elements in Cretaceous / Tertiary boundary sediments:
Terrestrial or extraterrestrial?. Geol. Soc. Amer. Spec. Paper 190, 461-467.
O-4. Varekamp,
J.C., and Varekamp, D.S.Adriaen Block,
The discovery of Long Island Sound and the New Netherlands colony: what drove
the course of history? Wracklines, v. 6, #1, 12-16.
VIII. TEXTBOOK CHAPTERS AND
ENCYCLOPEDIA ENTRIES
TC-1 Varekamp,
J.C., 1990: Volcanic Gases, Chapter in textbook: "Earth Sciences",
Open University, The Netherlands, Heerlen, v. 2, Plate tectonic processes, p.
150-175.
TC-2 Varekamp,
J.C., 1990: Geology of the ocean floor, Chapter in textbook: "Earth
Sciences", Open University, The Netherlands, Heerlen, v. 2, Plate tectonic
processes, p. 6-32.
TC-3 Varekamp, J.C., 1992: Sea level
fluctuations, Chapter in textbook: Geology around the Ice ages, Open
University, The Netherlands, Heerlen, v. 1, p. 213-232.
TC-4 Varekamp, J.C., 1992: The carbon
cycle, Chapter in textbook: Geology around the Ice ages, Open University, The
Netherlands, Heerlen, v.1, p.235-269.
TC-5. Short articles in basis volume
(v.4) for "Earth Sciences" (1990)
Magnetism of the ocean crust, p.43-46
Biological activity at submarine vents, p.47-50
Water
in silicate melts, p.74-76
The atmosphere, p.77-82
Helium
isotopes, p.83
TC-6. Short articles in basis volume
(v.3) for "Geology around the Ice ages" (1992) Sedimentology of
estuaria and delta's, p.34-39
14C, U/Th and 10Be dating methods, p.40-44
Economic damage as a result of rising sea levels, p.45-49
Volcanic CO2, p.50-53.
TC-7. Varekamp,
J.C., Volcanism, 2000. Encyclopedia of World Geography, Salem Press, San
Francisco, CA
TC-8. Varekamp, J.C. 2003, Heavy metals, article in
Encyclopedia, Pollution from A-Z. Wiley Publishers.
TC-9. Varekamp, J.C. 2003, Mercury Pollution, article in
Encyclopedia, Pollution from A-Z. Wiley Publishers.
TC-10. Varekamp, J.C. 2003, Ishida Mikura, article in Encyclopedia,
Pollution from A-Z. Wiley Publishers.