Publications
* denotes student/postdoc author
In Preparation:
53. Zigah*, P., E.C. Minor, D. Repeta, A. McNichol, L. Xu, J.P. Werne (in preparation) Radiocarbon evidence of autochthonous-allochthonous linkage in a large oligotrophic lake. For submission to Limnology & Oceanography
52. Woltering*, M., J.P. Werne, J. Munoz-Ucros*, R. Hicks, J.S. Sinninghe Damsté, S. Schouten (in preparation) The depth distribution of Thaumarchaeota in the water column of Lake Malawi; implications for the TEX86 temperature proxy. For submission to Organic Geochemistry
51. Contreras*, S., J.P. Werne, E.T. Brown, J. Halbur, J.S. Sinninghe Damsté, S. Schouten, A. Correa-Metrio, P.J. Fawcett (in preparation) Evaluating spatial heterogeneity and environmental variability inferred from branched glycerol dialkyl glycerol tetraether (GDGT) distribution in soils from Valles Caldera, New Mexico. For submission to Organic Geochemistry
Submitted/In Review
50. O’Beirne*, M., J.P. Werne, R. Hecky, T. Johnson, S. Katsev, E. Reavie (in review) Anthropogenic climate change has altered primary productivity in Lake Superior. Submitted to Nature Geoscience 5/16.
49. Johnson, T.C., J.P. Werne, E.T. Brown, A. Abbott*, M. Berke*, B. Steinman, J. Halbur*, S. Contreras*, S. Grosshuesch, A. Deino, R.P. Lyons, C.A. Scholz, S. Schouten, J. Sinninghe Damsté (in review) The Mid-Pleistocene Transition in Southern East Africa: Potential Impact on Early Human Migration. Submitted to Nature 11/15.
Accepted/In Press:
48. Contreras*, S., J.P. Werne, E.T. Brown, R.S. Anderson, P.J. Fawcett (accepted pending revision) A leaf wax carbon isotope record of vegetation change and climate variability in southwestern North America during mid-Pleistocene glacial cycles. Palaeogeography, Palaeoclimatology, Palaeoecology.
Published:
47. Kruger*, B.R., J.P. Werne, D.K. Branstrator, T.R. Hrabik, Y. Chikaraishi, N. Ohkouchi, E.C. Minor (2016) Organic matter transfer in Lake Superior’s food web: Insights from bulk and molecular stable isotope and radiocarbon analyses. Limnology & Oceanography, v. 61 pp. 149-164.
46. Raven*, M.R., A.L. Sessions, J.F. Adkins, T.W. Lyons, J.P. Werne (2015) Sulfur isotopic composition of individual organic compounds from Cariaco Basin sediments. Organic Geochemistry. v. 80 pp. 53-59. pdf
45. O’Beirne*, M.D., L.J. Strzok*, J.P. Werne, T.C. Johnson, R.E. Hecky (2015) Anthropogenic influences on the sedimentary geochemical record in western Lake Superior (1800-present). Journal of Great Lakes Research. v. 41 pp. 20-29. pdf
44. Cisneros-Dozal*, L.M., Y. Huang, J. Heikoop, P. Fawcett, J. Fessenden, R. Anderson, P. Meyers, T. Larson, G. Perkins, J. Toney, J.P. Werne, F. Goff, G. WoldeGabriel, C. Allen, M. Berke* (2014) Quantifying monsoon strength during the mid-Pleistocene in the southwestern United States. Quaternary Science Reviews. v. 103 pp. 81-90. pdf
43. Berke*, M.A., T.C. Johnson, J.P. Werne, D. Livingston, K. Grice, S. Schouten, J.S. Sinninghe Damsté (2014) Characterization of the last deglacial transition in tropical East Africa: Insights from Lake Albert, Africa. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2014.04.014. pdf
42. Zigah*, P., E.C. Minor, H.A. Abdulla, J.P. Werne, P.G. Hatcher (2014) An investigation of size-fractionated organic matter from Lake Superior and a tributary stream using radiocarbon, stable isotopes and NMR. Geochimica et Cosmochimica Acta. v. 127, pp. 264-284. pdf
41. Schouten, S. and 68 others (2014) An interlaboratory study of TEX86 and BIT analysis of sediments, extracts, and standard mixtures. Geochemistry, Geophysics, Geosystems. v. 14, pp. 5263-5285. pdf
40. Liu, Xiuju, S.M. Colman, E.T. Brown, A.C.G. Henderson, J.P. Werne, J.A. Holmes (2013) Multi-proxy Evidence from Lake Qinghai for the Deglacial Climate History of the Northeastern Tibetan Plateau. Journal of Paleolimnology, v. 51, pp. 223-240. pdf
39. Brown, E.T., J.P. Werne, S. Lozano-Garcia, M. Caballero-Miranda, B. Ortega-Guerrero, E. Cabral Cano, B. L. Valero Garces, A. Schwalb (2013) Scientific drilling in the Basin of Mexico to evaluate climate history, hydrological resources, and seismic and volcanic hazards. Scientific Drilling v. 14, pp. 72-75. pdf
38. Berke*, M.A., T.C. Johnson, J.P. Werne, K. Grice, S. Schouten, J.S. Sinninghe Damsté (2012) Climate response at the Lake Victoria basin, East Africa, from interhemispheric seasonal insolation contrast forcing during the latest Pleistocene to Holocene. Quaternary Science Reviews v. 55, pp. 59-74. pdf
37. Zigah*, P.K., E.C. Minor, J.P. Werne, S. Leigh McCallister (2012) An isotopic (Δ14C, δ13C, and δ15N) investigation of zooplankton allochthony vs. autochthony in Lake Superior and across a size-gradient of aquatic systems. Biogeosciences v. 9, pp. 3663-3678. pdf
36. Berke*, M.A., T.C. Johnson, J.P. Werne, S. Schouten, J.S. Sinninghe Damsté (2012) A mid-Holocene thermal maximum at the end of the African Humid Period. Earth & Planetary Science Letters v. 351-351, pp. 95-104. pdf
35. Woltering*, M., J.P. Werne, J.L. Kish*, R. Hicks, J.S. Sinninghe Damsté, S. Schouten (2012) Vertical and temporal variability of Crenarchaeota in Lake Superior and the implications for the application of the TEX86 temperature proxy. Geochimica et Cosmochimica Acta v. 87, pp. 136-153. pdf
34. Zigah*, P.K., E.C. Minor, J.P. Werne (2012) The spatio-temporal distribution of radiocarbon in organic and inorganic carbon in the Lake Superior water column. Global Biogeochemical Cycles. V. 26, GB1023, doi:10.1029/2011GB004132 pdf
33. Konecky, B., J.M. Russell, T.C. Johnson, E.T. Brown, M.A. Berke*, J.P. Werne, Y. Huang (2011) Atmospheric circulation patterns during late Pleistocene climate changes at Lake Malawi, Africa. Earth and Planetary Science Letters. v. 312, pp 318-326. pdf
32. Weijers, J., B. Bernhardt*, F. Peterse, J.P. Werne, J.A.J. Dungait, S. Schouten, J.S. Sinninghe Damsté (2011) Absence of seasonal patterns in MBT-CBT indices in mid-latitude soils. Geochimica et Cosmochimica Acta. v. 75, pp. 3179-3190. pdf
31. Zigah*, P.K., E.C. Minor, J.P. Werne, S.L. McCallister (2011) Radiocarbon and stable-carbon isotopic insights into provenance and cycling of carbon in Lake Superior. Limnology & Oceanography. v. 56, pp. 867-886. pdf
30. Fawcett, P., J.P. Werne, R. Anderson, J. Heikoop, E. Brown, M. Berke*, S. Smith, F. Goff, L. Hurley, M. Cisneros-Dozal, S. Schouten, J. Sinninghe Damsté, Y. Huang, J. Toney, J. Fessenden, G. WoldeGabriel, V. Atudorei, J. Geissman, C. Allen (2011) Extended Megadroughts in the Southwestern United States during Pleistocene Interglacials. Nature. v. 470, pp. 518-521. pdf
29. Powers*, L., J.P. Werne, I. Castañeda*, T.C. Johnson, E.C. Hopmans, J.S. Sinninghe Damsté, S. Schouten (2011) Organic Geochemical Records of Environmental Variability in Lake Malawi During the Last 700 Years, Part I: The TEX86 Temperature Record. Palaeogeography, Palaeoclimatology, Palaeoecology. v. 303, pp. 133-139. pdf
28. Castañeda*, I., Werne, J.P., Johnson, T., Oberem*, L. (2011) Organic Geochemical Records from Lake Malawi (East Africa) of the last 700 years, part II: Biomarker Evidence for Recent Changes in Primary Productivity. Palaeogeography, Palaeoclimatology, Palaeoecology. v. 303, pp. 140-154. pdf
27. Woltering*, M., Werne, J.P., Johnson, T., S. Schouten, J.S. Sinninghe Damsté (2011) Late Pleistocene temperature history of southeast Africa: A TEX86 temperature record from Lake Malawi Palaeogeography, Palaeoclimatology, Palaeoecology. v. 303 p. 93-102. pdf
26. Li, X.N., W. Gilhooly, A. Zerkle, T. Lyons, J. Farquhar, J.P. Werne, R. Varela, M. Scranton (2010) Stable sulfur isotopes in the water column of the Cariaco Basin. Geochimica et Cosmochimica Acta, v. 74, pp. 6764-6778. pdf
25. Blaga, Cornelia I., G.-J. Reichart, S. Schouten, A.F. Lotter, J.P. Werne, J.S. Sinninghe Damsté (2010) Branched glycerol dialkyl glycerol tetraethers in lake sediments: Can they be used as temperature and pH proxies? Organic Geochemistry, v. 41, pp. 1225-1234. pdf
24. Powers*, L., J.P. Werne, A.J. Vanderwoude*, J.S. Sinninghe Damsté, E.C. Hopmans, S. Schouten (2010) Applicability and calibration of the TEX86 paleothermometer in lakes. Organic Geochemistry, v. 41, pp. 404-413. pdf
23. Leavitt, P., S. Fritz, N. Anderson, P. Baker, T. Blenckner, L. Bunting, J. Catalan, D. Conley, W. Hobbs, E. Jeppesen, A. Korhola, S. McGowan, K. Ruhland, J. Rusak, G. Simpson, N. Solovieva, J.P. Werne (2009) Paleolimnological evidence of the effects on lakes of energy and mass transfer from climate and humans. Limnology & Oceanography, v. 54, no. 6/2, pp. 2330-2348. pdf
22. Castañeda*, I., Werne, J.P., Johnson, T. (2009) Influence of climate change on algal community structure and primary productivity of Lake Malawi (East Africa) from the Last Glacial Maximum to present. Limnology & Oceanography, v. 54, no. 6/2, pp. 2431-2447. pdf
21. Weijers, J.W.H., C. Blaga, J.P. Werne, and J.S. Sinninghe Damsté (2009) Microbial membrane lipids in lake sediments as a paleothermometer. PAGES News, v. 17, no. 3, pp. 102-104. pdf
20. Russell*, J., Werne, J.P., (2009) Climate change and productivity variations recorded by sedimentary sulfur in Lake Edward, Uganda/D.R. Congo. Chemical Geology. v. 264, pp. 337-346. pdf
19. Castañeda*, I., Werne, J.P., Johnson, T., and Filley, T. (2009) Late Quaternary vegetation history of southeast Africa: the molecular isotopic record from Lake Malawi. Palaeogeography, Palaeoclimatology, Palaeoecology. v. 275, pp. 100-112. pdf
18. Donahue*, M., J.P. Werne, C. Meile, T.W. Lyons (2008) Response to Comment by I.C. Bourg on “Modeling sulfur isotope fractionation and differential diffusion during sulfate reduction in sediments of the Cariaco Basin” by M.A. Donahue, J.P. Werne, C. Meile, and T.W. Lyons. Geochimica et Cosmochimica Acta. v. 72, pp. 5855-5856. pdf
17. Werne, J.P., T.W. Lyons, D.J. Hollander, S. Schouten, E.C. Hopmans, and J.S. Sinninghe Damsté (2008) Investigating pathways of diagenetic organic matter sulfurization using compound-specific sulfur isotope analysis. Geochimica et Cosmochimica Acta, v. 72, pp. 3489-3502. pdf
16. Donahue*, M., J.P. Werne, C. Meile, T.W. Lyons (2008) Modeling the effects of fractionation and differential diffusion on the sulfur isotope signature of sulfate reduction in Cariaco Basin sediments. Geochimica et Cosmochimica Acta. v. 72, pp. 2287-2297. pdf
15. Castañeda*, I., Werne, J.P., Johnson, T.C. (2007) Wet/arid phases in the southeast African tropics since the Last Glacial Maximum. Geology. v. 35, no. 9, pp. 823-826. pdf
14. Russell*, J., Werne, J.P. (2007) The use of solid phase extraction chromatographic columns in fatty acid purification. Organic Geochemistry. v. 38, p. 48-51. pdf
13. Powers*, L., T.C. Johnson, J.P. Werne, I. Castañeda*, E.C. Hopmans, J.S. Sinninghe Damsté, S. Schouten (2005) Large temperature variability in the southern African tropics since the Last Glacial Maximum. Geophysical Research Letters. 32, L08076, doi:10.1029/2004GL022014. pdf
12. Werne, J.P., and J.S Sinninghe Damsté (2005) Mixed sources contribute to the molecular isotopic signature of methane-rich mud breccia sediments of Kazan mud volcano (Eastern Mediterranean). Organic geochemistry, v. 36, no. 1, pp. 13-27. pdf
11. Werne, J.P. and D.J. Hollander (2004) Balancing supply and demand: Controls on carbon isotope fractionation in the Cariaco Basin (Venezuela) Younger Dryas to Present. Marine Chemistry. v. 92, no. 1-4, pp. 275-293. pdf
10. Powers*, L., Werne, J.P., Johnson, T.C., Hopmans, E.C., Sinninghe Damste, J.S.S., and Schouten, S. (2004) Crenarchaeotal membrane lipids in lake sediments: a new paleotemperature proxy for continental paleoclimate reconstruction? Geology, v. 32, no. 7, p. 613-616. pdf
9. Werne, J.P., D.J. Hollander, T.W., Lyons, J.S. Sinninghe Damsté (2004) Organic sulfur biogeochemistry: Recent advances and future directions for organic sulfur research. In: Sulfur Biogeochemistry: Past and Present. J. Amend, K. Edwards, & T. Lyons, eds. GSA Special Paper 379, Ch. 9 pp. 135-150 pdf
8. Werne, J.P., T. Zitter, R.R. Haese, G. Aloisi, I. Bouloubassi, S. Heijs, A. Fiala-Medioni, R.D. Pancost, J.S. Sinninghe Damste, G. de Lange, L.J. Forney, J.C. Gottschal, J.-P. Foucher, J. Mascle, J. Woodside, and the MEDINAUT and MEDINETH Shipboard Scientific Parties (2004) Life at cold seeps: A synthesis of ecological and biogeochemical data from Kazan mud volcano, eastern Mediterranean Sea. Chemical Geology, v. 205, no. 3-4, p. 367-390. pdf
7. Sageman, B.B., A.E. Murphy, J.P. Werne, C.A. Ver Straeten, D.J. Hollander, and T.W. Lyons (2003) A tale of shales: the relative roles of production, decomposition, and dilution in the accumulation of organic-rich strata, Middle-Upper Devonian, Appalachian basin. Chemical Geology, v. 195, p. 229-273. pdf
6. Lyons, T.W., J.P. Werne, and D.J. Hollander, R.W. Murray (2003) Contrasting sulfur geochemistry and Fe/Al and Mo/Al ratios across the last oxic-to-anoxic transition in the Cariaco Basin, Venezuela. Chemical Geology. v. 195, p. 131-157. pdf
5. Werne, J.P., T.W. Lyons, D.J. Hollander, M.J. Formolo, J.S. Sinninghe Damsté (2003) Reduced sulfur in euxinic sediments of the Cariaco Basin: sulfur isotope constraints on organic sulfur formation. Chemical Geology v. 195, p. 159-179. pdf
4. Werne, J.P., M. Baas, J.S. Sinninghe Damsté (2002) Molecular isotopic tracing of carbon flow and trophic relationships in a methane-supported microbial community. Limnology & Oceanography v. 46 no. 6, p. 1694-1701. pdf
3. Werne, J.P., B.B. Sageman, T.W. Lyons, and D.J. Hollander (2002) An integrated assessment of a “type euxinic” deposit: Evidence for multiple controls on black shale deposition in the middle Devonian Oatka Creek Formation. American Journal of Science, v. 302, pp. 110-143. pdf
2. Werne, J.P., D.J. Hollander, A. Behrens, P. Schaeffer, P. Albrecht, J.S. Sinninghe Damsté (2000) Timing of early diagenetic sulfurization of organic matter: A precursor-product relationship in Holocene sediments of the anoxic Cariaco Basin, Venezuela, Geochimica et Cosmochimica Acta, v. 64, no. 10, pp. 1741-1751. pdf
1. Werne, J.P., D.J. Hollander, T.W. Lyons, L.C. Peterson (2000) Climate-induced variations in productivity and planktonic ecosystem structure from the Younger Dryas to Holocene in the Cariaco Basin, Venezuela Paleoceanography, v. 15, no. 1, pp. 19-29. pdf
In Preparation:
53. Zigah*, P., E.C. Minor, D. Repeta, A. McNichol, L. Xu, J.P. Werne (in preparation) Radiocarbon evidence of autochthonous-allochthonous linkage in a large oligotrophic lake. For submission to Limnology & Oceanography
52. Woltering*, M., J.P. Werne, J. Munoz-Ucros*, R. Hicks, J.S. Sinninghe Damsté, S. Schouten (in preparation) The depth distribution of Thaumarchaeota in the water column of Lake Malawi; implications for the TEX86 temperature proxy. For submission to Organic Geochemistry
51. Contreras*, S., J.P. Werne, E.T. Brown, J. Halbur, J.S. Sinninghe Damsté, S. Schouten, A. Correa-Metrio, P.J. Fawcett (in preparation) Evaluating spatial heterogeneity and environmental variability inferred from branched glycerol dialkyl glycerol tetraether (GDGT) distribution in soils from Valles Caldera, New Mexico. For submission to Organic Geochemistry
Submitted/In Review
50. O’Beirne*, M., J.P. Werne, R. Hecky, T. Johnson, S. Katsev, E. Reavie (in review) Anthropogenic climate change has altered primary productivity in Lake Superior. Submitted to Nature Geoscience 5/16.
49. Johnson, T.C., J.P. Werne, E.T. Brown, A. Abbott*, M. Berke*, B. Steinman, J. Halbur*, S. Contreras*, S. Grosshuesch, A. Deino, R.P. Lyons, C.A. Scholz, S. Schouten, J. Sinninghe Damsté (in review) The Mid-Pleistocene Transition in Southern East Africa: Potential Impact on Early Human Migration. Submitted to Nature 11/15.
Accepted/In Press:
48. Contreras*, S., J.P. Werne, E.T. Brown, R.S. Anderson, P.J. Fawcett (accepted pending revision) A leaf wax carbon isotope record of vegetation change and climate variability in southwestern North America during mid-Pleistocene glacial cycles. Palaeogeography, Palaeoclimatology, Palaeoecology.
Published:
47. Kruger*, B.R., J.P. Werne, D.K. Branstrator, T.R. Hrabik, Y. Chikaraishi, N. Ohkouchi, E.C. Minor (2016) Organic matter transfer in Lake Superior’s food web: Insights from bulk and molecular stable isotope and radiocarbon analyses. Limnology & Oceanography, v. 61 pp. 149-164.
46. Raven*, M.R., A.L. Sessions, J.F. Adkins, T.W. Lyons, J.P. Werne (2015) Sulfur isotopic composition of individual organic compounds from Cariaco Basin sediments. Organic Geochemistry. v. 80 pp. 53-59. pdf
45. O’Beirne*, M.D., L.J. Strzok*, J.P. Werne, T.C. Johnson, R.E. Hecky (2015) Anthropogenic influences on the sedimentary geochemical record in western Lake Superior (1800-present). Journal of Great Lakes Research. v. 41 pp. 20-29. pdf
44. Cisneros-Dozal*, L.M., Y. Huang, J. Heikoop, P. Fawcett, J. Fessenden, R. Anderson, P. Meyers, T. Larson, G. Perkins, J. Toney, J.P. Werne, F. Goff, G. WoldeGabriel, C. Allen, M. Berke* (2014) Quantifying monsoon strength during the mid-Pleistocene in the southwestern United States. Quaternary Science Reviews. v. 103 pp. 81-90. pdf
43. Berke*, M.A., T.C. Johnson, J.P. Werne, D. Livingston, K. Grice, S. Schouten, J.S. Sinninghe Damsté (2014) Characterization of the last deglacial transition in tropical East Africa: Insights from Lake Albert, Africa. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2014.04.014. pdf
42. Zigah*, P., E.C. Minor, H.A. Abdulla, J.P. Werne, P.G. Hatcher (2014) An investigation of size-fractionated organic matter from Lake Superior and a tributary stream using radiocarbon, stable isotopes and NMR. Geochimica et Cosmochimica Acta. v. 127, pp. 264-284. pdf
41. Schouten, S. and 68 others (2014) An interlaboratory study of TEX86 and BIT analysis of sediments, extracts, and standard mixtures. Geochemistry, Geophysics, Geosystems. v. 14, pp. 5263-5285. pdf
40. Liu, Xiuju, S.M. Colman, E.T. Brown, A.C.G. Henderson, J.P. Werne, J.A. Holmes (2013) Multi-proxy Evidence from Lake Qinghai for the Deglacial Climate History of the Northeastern Tibetan Plateau. Journal of Paleolimnology, v. 51, pp. 223-240. pdf
39. Brown, E.T., J.P. Werne, S. Lozano-Garcia, M. Caballero-Miranda, B. Ortega-Guerrero, E. Cabral Cano, B. L. Valero Garces, A. Schwalb (2013) Scientific drilling in the Basin of Mexico to evaluate climate history, hydrological resources, and seismic and volcanic hazards. Scientific Drilling v. 14, pp. 72-75. pdf
38. Berke*, M.A., T.C. Johnson, J.P. Werne, K. Grice, S. Schouten, J.S. Sinninghe Damsté (2012) Climate response at the Lake Victoria basin, East Africa, from interhemispheric seasonal insolation contrast forcing during the latest Pleistocene to Holocene. Quaternary Science Reviews v. 55, pp. 59-74. pdf
37. Zigah*, P.K., E.C. Minor, J.P. Werne, S. Leigh McCallister (2012) An isotopic (Δ14C, δ13C, and δ15N) investigation of zooplankton allochthony vs. autochthony in Lake Superior and across a size-gradient of aquatic systems. Biogeosciences v. 9, pp. 3663-3678. pdf
36. Berke*, M.A., T.C. Johnson, J.P. Werne, S. Schouten, J.S. Sinninghe Damsté (2012) A mid-Holocene thermal maximum at the end of the African Humid Period. Earth & Planetary Science Letters v. 351-351, pp. 95-104. pdf
35. Woltering*, M., J.P. Werne, J.L. Kish*, R. Hicks, J.S. Sinninghe Damsté, S. Schouten (2012) Vertical and temporal variability of Crenarchaeota in Lake Superior and the implications for the application of the TEX86 temperature proxy. Geochimica et Cosmochimica Acta v. 87, pp. 136-153. pdf
34. Zigah*, P.K., E.C. Minor, J.P. Werne (2012) The spatio-temporal distribution of radiocarbon in organic and inorganic carbon in the Lake Superior water column. Global Biogeochemical Cycles. V. 26, GB1023, doi:10.1029/2011GB004132 pdf
33. Konecky, B., J.M. Russell, T.C. Johnson, E.T. Brown, M.A. Berke*, J.P. Werne, Y. Huang (2011) Atmospheric circulation patterns during late Pleistocene climate changes at Lake Malawi, Africa. Earth and Planetary Science Letters. v. 312, pp 318-326. pdf
32. Weijers, J., B. Bernhardt*, F. Peterse, J.P. Werne, J.A.J. Dungait, S. Schouten, J.S. Sinninghe Damsté (2011) Absence of seasonal patterns in MBT-CBT indices in mid-latitude soils. Geochimica et Cosmochimica Acta. v. 75, pp. 3179-3190. pdf
31. Zigah*, P.K., E.C. Minor, J.P. Werne, S.L. McCallister (2011) Radiocarbon and stable-carbon isotopic insights into provenance and cycling of carbon in Lake Superior. Limnology & Oceanography. v. 56, pp. 867-886. pdf
30. Fawcett, P., J.P. Werne, R. Anderson, J. Heikoop, E. Brown, M. Berke*, S. Smith, F. Goff, L. Hurley, M. Cisneros-Dozal, S. Schouten, J. Sinninghe Damsté, Y. Huang, J. Toney, J. Fessenden, G. WoldeGabriel, V. Atudorei, J. Geissman, C. Allen (2011) Extended Megadroughts in the Southwestern United States during Pleistocene Interglacials. Nature. v. 470, pp. 518-521. pdf
29. Powers*, L., J.P. Werne, I. Castañeda*, T.C. Johnson, E.C. Hopmans, J.S. Sinninghe Damsté, S. Schouten (2011) Organic Geochemical Records of Environmental Variability in Lake Malawi During the Last 700 Years, Part I: The TEX86 Temperature Record. Palaeogeography, Palaeoclimatology, Palaeoecology. v. 303, pp. 133-139. pdf
28. Castañeda*, I., Werne, J.P., Johnson, T., Oberem*, L. (2011) Organic Geochemical Records from Lake Malawi (East Africa) of the last 700 years, part II: Biomarker Evidence for Recent Changes in Primary Productivity. Palaeogeography, Palaeoclimatology, Palaeoecology. v. 303, pp. 140-154. pdf
27. Woltering*, M., Werne, J.P., Johnson, T., S. Schouten, J.S. Sinninghe Damsté (2011) Late Pleistocene temperature history of southeast Africa: A TEX86 temperature record from Lake Malawi Palaeogeography, Palaeoclimatology, Palaeoecology. v. 303 p. 93-102. pdf
26. Li, X.N., W. Gilhooly, A. Zerkle, T. Lyons, J. Farquhar, J.P. Werne, R. Varela, M. Scranton (2010) Stable sulfur isotopes in the water column of the Cariaco Basin. Geochimica et Cosmochimica Acta, v. 74, pp. 6764-6778. pdf
25. Blaga, Cornelia I., G.-J. Reichart, S. Schouten, A.F. Lotter, J.P. Werne, J.S. Sinninghe Damsté (2010) Branched glycerol dialkyl glycerol tetraethers in lake sediments: Can they be used as temperature and pH proxies? Organic Geochemistry, v. 41, pp. 1225-1234. pdf
24. Powers*, L., J.P. Werne, A.J. Vanderwoude*, J.S. Sinninghe Damsté, E.C. Hopmans, S. Schouten (2010) Applicability and calibration of the TEX86 paleothermometer in lakes. Organic Geochemistry, v. 41, pp. 404-413. pdf
23. Leavitt, P., S. Fritz, N. Anderson, P. Baker, T. Blenckner, L. Bunting, J. Catalan, D. Conley, W. Hobbs, E. Jeppesen, A. Korhola, S. McGowan, K. Ruhland, J. Rusak, G. Simpson, N. Solovieva, J.P. Werne (2009) Paleolimnological evidence of the effects on lakes of energy and mass transfer from climate and humans. Limnology & Oceanography, v. 54, no. 6/2, pp. 2330-2348. pdf
22. Castañeda*, I., Werne, J.P., Johnson, T. (2009) Influence of climate change on algal community structure and primary productivity of Lake Malawi (East Africa) from the Last Glacial Maximum to present. Limnology & Oceanography, v. 54, no. 6/2, pp. 2431-2447. pdf
21. Weijers, J.W.H., C. Blaga, J.P. Werne, and J.S. Sinninghe Damsté (2009) Microbial membrane lipids in lake sediments as a paleothermometer. PAGES News, v. 17, no. 3, pp. 102-104. pdf
20. Russell*, J., Werne, J.P., (2009) Climate change and productivity variations recorded by sedimentary sulfur in Lake Edward, Uganda/D.R. Congo. Chemical Geology. v. 264, pp. 337-346. pdf
19. Castañeda*, I., Werne, J.P., Johnson, T., and Filley, T. (2009) Late Quaternary vegetation history of southeast Africa: the molecular isotopic record from Lake Malawi. Palaeogeography, Palaeoclimatology, Palaeoecology. v. 275, pp. 100-112. pdf
18. Donahue*, M., J.P. Werne, C. Meile, T.W. Lyons (2008) Response to Comment by I.C. Bourg on “Modeling sulfur isotope fractionation and differential diffusion during sulfate reduction in sediments of the Cariaco Basin” by M.A. Donahue, J.P. Werne, C. Meile, and T.W. Lyons. Geochimica et Cosmochimica Acta. v. 72, pp. 5855-5856. pdf
17. Werne, J.P., T.W. Lyons, D.J. Hollander, S. Schouten, E.C. Hopmans, and J.S. Sinninghe Damsté (2008) Investigating pathways of diagenetic organic matter sulfurization using compound-specific sulfur isotope analysis. Geochimica et Cosmochimica Acta, v. 72, pp. 3489-3502. pdf
16. Donahue*, M., J.P. Werne, C. Meile, T.W. Lyons (2008) Modeling the effects of fractionation and differential diffusion on the sulfur isotope signature of sulfate reduction in Cariaco Basin sediments. Geochimica et Cosmochimica Acta. v. 72, pp. 2287-2297. pdf
15. Castañeda*, I., Werne, J.P., Johnson, T.C. (2007) Wet/arid phases in the southeast African tropics since the Last Glacial Maximum. Geology. v. 35, no. 9, pp. 823-826. pdf
14. Russell*, J., Werne, J.P. (2007) The use of solid phase extraction chromatographic columns in fatty acid purification. Organic Geochemistry. v. 38, p. 48-51. pdf
13. Powers*, L., T.C. Johnson, J.P. Werne, I. Castañeda*, E.C. Hopmans, J.S. Sinninghe Damsté, S. Schouten (2005) Large temperature variability in the southern African tropics since the Last Glacial Maximum. Geophysical Research Letters. 32, L08076, doi:10.1029/2004GL022014. pdf
12. Werne, J.P., and J.S Sinninghe Damsté (2005) Mixed sources contribute to the molecular isotopic signature of methane-rich mud breccia sediments of Kazan mud volcano (Eastern Mediterranean). Organic geochemistry, v. 36, no. 1, pp. 13-27. pdf
11. Werne, J.P. and D.J. Hollander (2004) Balancing supply and demand: Controls on carbon isotope fractionation in the Cariaco Basin (Venezuela) Younger Dryas to Present. Marine Chemistry. v. 92, no. 1-4, pp. 275-293. pdf
10. Powers*, L., Werne, J.P., Johnson, T.C., Hopmans, E.C., Sinninghe Damste, J.S.S., and Schouten, S. (2004) Crenarchaeotal membrane lipids in lake sediments: a new paleotemperature proxy for continental paleoclimate reconstruction? Geology, v. 32, no. 7, p. 613-616. pdf
9. Werne, J.P., D.J. Hollander, T.W., Lyons, J.S. Sinninghe Damsté (2004) Organic sulfur biogeochemistry: Recent advances and future directions for organic sulfur research. In: Sulfur Biogeochemistry: Past and Present. J. Amend, K. Edwards, & T. Lyons, eds. GSA Special Paper 379, Ch. 9 pp. 135-150 pdf
8. Werne, J.P., T. Zitter, R.R. Haese, G. Aloisi, I. Bouloubassi, S. Heijs, A. Fiala-Medioni, R.D. Pancost, J.S. Sinninghe Damste, G. de Lange, L.J. Forney, J.C. Gottschal, J.-P. Foucher, J. Mascle, J. Woodside, and the MEDINAUT and MEDINETH Shipboard Scientific Parties (2004) Life at cold seeps: A synthesis of ecological and biogeochemical data from Kazan mud volcano, eastern Mediterranean Sea. Chemical Geology, v. 205, no. 3-4, p. 367-390. pdf
7. Sageman, B.B., A.E. Murphy, J.P. Werne, C.A. Ver Straeten, D.J. Hollander, and T.W. Lyons (2003) A tale of shales: the relative roles of production, decomposition, and dilution in the accumulation of organic-rich strata, Middle-Upper Devonian, Appalachian basin. Chemical Geology, v. 195, p. 229-273. pdf
6. Lyons, T.W., J.P. Werne, and D.J. Hollander, R.W. Murray (2003) Contrasting sulfur geochemistry and Fe/Al and Mo/Al ratios across the last oxic-to-anoxic transition in the Cariaco Basin, Venezuela. Chemical Geology. v. 195, p. 131-157. pdf
5. Werne, J.P., T.W. Lyons, D.J. Hollander, M.J. Formolo, J.S. Sinninghe Damsté (2003) Reduced sulfur in euxinic sediments of the Cariaco Basin: sulfur isotope constraints on organic sulfur formation. Chemical Geology v. 195, p. 159-179. pdf
4. Werne, J.P., M. Baas, J.S. Sinninghe Damsté (2002) Molecular isotopic tracing of carbon flow and trophic relationships in a methane-supported microbial community. Limnology & Oceanography v. 46 no. 6, p. 1694-1701. pdf
3. Werne, J.P., B.B. Sageman, T.W. Lyons, and D.J. Hollander (2002) An integrated assessment of a “type euxinic” deposit: Evidence for multiple controls on black shale deposition in the middle Devonian Oatka Creek Formation. American Journal of Science, v. 302, pp. 110-143. pdf
2. Werne, J.P., D.J. Hollander, A. Behrens, P. Schaeffer, P. Albrecht, J.S. Sinninghe Damsté (2000) Timing of early diagenetic sulfurization of organic matter: A precursor-product relationship in Holocene sediments of the anoxic Cariaco Basin, Venezuela, Geochimica et Cosmochimica Acta, v. 64, no. 10, pp. 1741-1751. pdf
1. Werne, J.P., D.J. Hollander, T.W. Lyons, L.C. Peterson (2000) Climate-induced variations in productivity and planktonic ecosystem structure from the Younger Dryas to Holocene in the Cariaco Basin, Venezuela Paleoceanography, v. 15, no. 1, pp. 19-29. pdf