Directory

Paul Aharon

Paul Aharon

Professor Emeritus

Education

  • PhD, The Australian National University (ANU), Canberra, Australia, 1980
  • MS, The Hebrew University of Jerusalem (HUJ), Israel, 1974
  • BS, The Hebrew University of Jerusalem (HUJ), Israel, 1972

Selected Publications

In Peer-Reviewed Journals

(Asterisk denotes student author)

  • *W. Joe Lambert, Paul Aharon and Antonio B. Rodriguez. Catastrophic Hurricane History by Organic Geochemical Proxies in Coastal Lake Sediments: A Case Study of Lake Shelby, Alabama (USA). J. Paleolimnology, 39: 117-131, doi: 10.1007/ s10933-007- 9101-6 (2008)
  • Williams, M., Talbot, M., Aharon, P., Abdl Salaam, Y., Williams, F., and Brendeland, K. I. Abrupt return of the summer monsoon 15,000 years ago: New supporting evidence from the lower White Nile valley and Lake Albert. Quat. Sci. Rev. 25: 2651-1665 (2006)
  • *Rasbury, M. and Aharon, P. ENSO-controlled rainfall variability records archived in tropical stalagmites from the mid-ocean island of Niue, South Pacific. Geochemistry, Geophysics, Geosystems, v. 7 (7), doi: 10.1029/2005GC001232 (2006)
  • Aharon, P., *Rasbury M., *Murgulet, V. Caves of Niue island, South Pacific: Speleothems and Water Chemistry. In Harmon, R. S. and Wicks, C. (eds.), Perspectives on Karst Geomorphology, Hydrology and Geochemistry-A tribute volume to Derek C. Ford and William B. White. Geol. Soc. of Am. Spec. Paper 404, Chapter 24, doi: 10.1130/2006.2404 (24) (2006)
  • Aharon, P. Entrainment of meltwaters in hyperpycnal flows during deglaciation superfloods in the Gulf of Mexico. Earth and Planetary Science Letters 241: 260-270 (2006)
    Aharon, P.. Redox stratification and anoxia of the early Precambrian oceans: Implications for carbon isotope excursions and oxidation events. Precambrian Research 137: 207-222 (2005)
  • Peckmann, J., Thiel, V., Reitner, J., Taviani, M., Aharon, P. and Michaelis, W. A microbial mat of a large sulfur bacterium preserved in a Miocene methane-seep limestone. Geomicrobiology Journal 21: 247-255 (2004)
  • *Lambert, W. J., Aharon, P. and Rodriguez, A. B. An assessment of the late Holocene record of severe storm impacts from Lake Shelby, Alabama. GCAGS Trans. 53: 443-452 (2003)
  • Aharon, P. Is drilling in deepwater Gulf of Mexico uncorking bad genies? GCAGS Trans. 53: 1-10 (2003)
  • Aharon, P. Meltwater flooding events in the Gulf of Mexico revisited: Implications for rapid climate changes during the last deglaciation. Paleoceanography 18 (4), 1079, doi: 1029/2002PA000840: 3-1 to 3-14 (2003)
  • Van Dover, C. L., Aharon, P. and 17 co-authors. Blake Ridge methane seeps: Characterization of a soft sediment, chemosynthetically based ecosystem. Deep-Sea Res. I 50: 281-300 (2003)
  • Aharon, P. and *Fu, B. Sulfur and oxygen isotopes of coeval sulfate-sulfide in pore fluids of cold seep sediments with sharp redox gradients. Chem. Geol. 195: 201-218 (2003)
  • Aharon, P. Microbial processes and products fueled by hydrocarbons at submarine seeps. In: Microbial Sediments (eds. R.E. Riding and S.M. Awramik), Springer-Verlag Berlin, Ch. 29: 270-281 (2000)
  • Aharon, P. and *Fu B. Microbial sulfate reduction rates and sulfur and oxygen isotope fractionations at oil and gas seeps in deepwater Gulf of Mexico. Geochim. Cosmochim. Acta 64 (2): 233-246 (2000)

Abstracts in Proceeding Volumes

(Asterisk denotes student author)

  • S. *Bordoloi, P. Aharon and T. Pape. Hot and Cold: Complex Biochemical Processes in a Mud Volcano Setting on the Northern Gulf of Mexico. Am. Geophys. Union Fall Meeting, B11D-03 (2006)
  • V. *Murgulet and P. Aharon. Imprints of Catastrophic Cyclones in the Trace Element Records (Mg, Na, S, P) of Tropical Stalagmites. Am. Geophys. Union Fall Meeting, PP51D-1171 (2006)
  • S. *Bordoloi, P. Aharon, M. Taviani, G. B. Vai. Trace Metal Records of Rapid Anoxia Development in a Mediterranean Satellite Basin During the Pre-Evaporitic Messinian Stage. Geol. Soc. Am. Abstracts with Programs, 38 (7), p. 125 (2006)
  • B. Ghaleb and Paul Aharon. Excess 226Ra dating of young stalagmites: An example from Niue Island, South Pacific. Goldshmidt Intl. Conf. Melbourne, Australia (2006)
  • Valeriu *Murgulet, Paul Aharon, Michael G. Bersch. Rainfall Seasonality in Tropical Stalagmites Discerned from Magnesium and Phosphorus Partitioning in Sub-Annual Couplets. Fourth Intl. Conf. Climate Change: “The Karst Record”, Romania, May 26-29 (2006)
  • Michael G. Bersch, Valeriu *Murgulet, and Paul Aharon. X-ray Mapping of a Stalagmite from Niue Island, South Pacific: Visualizing Element Distribution. Fourth Intl. Conf. Climate Change: “The Karst Record”, Romania, May 26-29 (2006)
  • Michael *Rasbury, Paul Aharon, and William J. *Lambert. A two Centuries Long Annual Record of Rainfall and ENSO Variability Archived in the Oxygen Isotope Profiles of South Pacific Stalagmites. Fourth Intl. Conf. Climate Change: “€œThe Karst Record”€, Romania, May 26-29 (2006)
  • W. Joe *Lambert and Paul Aharon. Paleoclimate Reconstructions for the Southeastern U.S.A. from Speleothems in DeSoto Caverns, Alabama. Fourth Intl. Conf. Climate Change: “The Karst Record”€, Romania, May 26-29 (2006)
  • Paul Aharon, M. S. *Rasbury, W. J. *Lambert, Lane *Lambert and B. Ghaleb. Is Solar Forcing a Controlling Factor of ENSO Variability? Fourth Intl. Conf. Climate Change: “€œThe Karst Record”€, Romania, May 26-29 (2006)
  • *Bordoloi, S., Aharon. P., Pape, T., Taviani, M., Vai, G.B., Sen Gupta, B., *Platon, E. Geochemistry of Anoxic Marine Sediments of Late-Miocene Age: Vena del Gesso Basin, Northern Apennines, Italy. Earth System Processes 2, GSA Speciality Meetings, Abstracts with Programs, No. 1, p.45 (2005)
  • *Rasbury, M, Aharon, P. and Harry, D. Pluviometry and ENSO variability over the past two centuries recorded in mid-ocean island stalagmites from the South Pacific. Alexander von Humboldt Int. Conf. Ecuador, Guayaquil: The El-Niño Phenomenon and its Global Impact. AVH1-A-00058 (2005)
  • Aharon, P. and *Rasbury, M. The imprints of ENSO and PDO in mid-ocean island stalagmites: examples from Niue Island, South Pacific. Alexander von Humboldt Int. Conf. Ecuador, Guayaquil: The El-Niño Phenomenon and its Global Impact. AVH1-A-00111 (2005)
  • Aharon, P., *Rasbury, M. S., *Lambert, W. J., Ghaleb, B. and *Lambert, L. A millennial record of rainfall and ENSO variability in a stalagmite from the island of Niue in the South Pacific. . EOS Trans. AGU, Fall Meet. Suppl., PP53A-05 (2005)
  • *Lambert, W. J., Aharon, P. and Rodriguez, A. B. Pnicaut Storm: Alabama lake sediment preserves forgotten catastrophic hurricane disaster. SE Geol. Soc. Am. Abstracts with Programs: 14-3 (2005)
  • *Murgulet, V. and Aharon, P. A groundwater chemical drill explains cave formation on Niue Island, South Pacific. SE Geol. Soc. Am. Abstracts with Programs: 17-1 (2005)
    Aharon, P. Episodic meltwater discharges into the Gulf of Mexico during the last deglaciation: The benthic isotope record. SE Geol. Soc. Am. Abstracts with Programs: 14-1 (2005)
  • *Lambert, W. J. and Aharon, P. Climate change recorded in aragonite speleothems from central Alabama. EOS Trans. AGU, Fall Meet. Suppl., PP43A-0610 (2004)
  • *Rasbury, M., Aharon, P. and Harry, D. Records of rainfall and ENSO in the South Pacific from speleothem growth bands. EOS Trans. AGU, Fall Meet. Suppl., PP43A-0609 (2004)
  • Aharon, P. Entrainment of meltwaters in hyperpycnal flows during deglaciation superfloods in the Gulf of Mexico: Implications for freshwater outflows in the climate system. EOS Trans. AGU, Fall Meet. Suppl., PP431A-0889 (2004)
  • *Bordoloi, S., Aharon, P., Taviani, M. and Vai, G. B. Hydrocarbon-derived limestones interbedded with lower Messinian euxinic shales (Northern Apennines, Italy). Geol. Soc. Am. Abstracts with Programs 34 (7): A-620 (2003)
  • *Murgulet, V., Aharon, P. and *Wheeler, C. W. Hydrogeochemistry of cave dripwaters from a tropical ocean island karst. Geol. Soc. Am. Abstracts with Programs 34 (7): A-452 (2003)
  • *Rasbury, M., Aharon, P. and Harry, D. Power spectra analysis of annually laminated stalagmites from Pacific island caves. Geol. Soc. Am. Abstracts with Programs 34 (7): A-415 (2003)
  • Taviani, M., Roveri, M., Aharon, P. Pliocene chemoherm formation within deep-sea reducing environments, Italian northern Apennines. Geol. Soc. Am. Abstracts with Programs 34 (7): A-382 (2003)
  • *Lambert, W. J., Aharon, P. and Rodriguez, A. B. A high resolution geochemical record of severe storms from Lake Shelby, Alabama, USA. Geol. Soc. Am. Abstracts with Programs 34 (7): A-294 (2003)
  • Aharon, P. and Van Gent, D. Growth rates of bathymodiolids from gas seeps in the Gulf of Mexico derived from Polonium-210/Radium-226 ratios. Geol. Soc. Am. Abstracts with Programs 34 (7): A-287 (2003)
  • *Hackworth, M. and Aharon, P. Determination of sedimentation rates in the Gulf of Mexico gas hydrate-bearing sediments using radiocarbon and stable carbon isotopes. Geol. Soc. Am. Abstracts with Programs 34: A-15 (2002)
  • Aharon, P. and *Rasbury, M. Extracting ENSO records from speleothems: A new initiative in the South Pacific. EOS Trans. AGU, 83 (47), Fall Meet. Suppl., Abstract PP51A-0282 (2002)
  • Aharon, P. and *Hackworth, M. Anomalous carbon isotope fractionations in hydrate-bearing sediments from the Gulf of Mexico: Are bacteria to be blamed? EOS, Am. Geophys. Union Trans. 82 (47): F-174 (2001)
  • Sen Gupta, B. K., *Platon, E., *Hackworth, M. S. and Aharon, P. Historical records of benthic foraminiferal species at a methane-hydrate dissociation site, Green Canyon, Gulf of Mexico. Geol. Soc. Am. Abstracts with Programs 33 (6): A-161 (2001)
  • Aharon, P., *Hackworth, M. S., *Platon, E., Wheeler, C. and Sen Gupta, B. Isotope records of recent benthic foraminifera from hydrate-bearing sediments: Methane hydrate dissociation effects. Geol. Soc. Am. Abstracts with Programs 33 (6): A-162 (2001)
  • *Hackworth, M. and Aharon, P. Pore fluids and authigenic carbonate products from biogenic and thermogenic sourced gas hydrates in the Gulf of Mexico. Geol. Soc. Am. Abstracts with Programs 33 (6): A-224 (2001)
  • Schiebout, J. A., Ting, S., Aharon, P., Chu, M., Stromberg, C., Hinds, D., *White, P., and Wrenn, J. The Fort Polk Miocene vertebrate sites (Louisiana, USA): Implications for local and global paleoenvironmental changes. Geol. Soc. Am. Abstracts with Programs 33 (6): A-445 (2001)
  • Aharon, P. and *Hackworth, M. Geochemical complexity of gas hydrates setting in the Gulf of Mexico. Geol. Soc. Am. Abstracts with Programs 32 (7): A-101 (2000)
  • *Hackworth, M. and Aharon, P. Carbonates as recorders of gas hydrate dissociation in the Gulf of Mexico. Geol. Soc. Am. Abstracts with Programs 32 (7): A-101 (2000)
  • Campbell, K. A., Aharon, P. and Marincovich, L. Paleo-gas hydrates in the Arctic Ocean: Evidence from late Neogene Nuwok strata, Northern Alaska. Geol. Soc. Am. Abstracts with Programs 32 (7): A-102 (2000)
  • *Wheeler, C. W. and Aharon, P. Evidence of ENSO-driven climatic variations during the last glaciation from speleothems in the tropical western Pacific: Initial results. Geol. Soc. Am. Abstracts with Programs 32 (7): A-218 (2000)
  • *Hackworth, M. and Aharon, P. Authigenic carbonate precipitation driven by episodic gas hydrate sublimation: Evidence from the Gulf of Mexico. VI Inter. Conf. on Gas in Marine Sediments, Abstracts Book, St. Petersburg (Russia) Sept. 5-9: 46-47 (2000)
  • Aharon, P., *Hackworth, M. and *Fu, B. On the geochemical complexity of gas hydrates setting in the Gulf of Mexico. VI Inter. Conf. on Gas in Marine Sediments, Abstracts Book, St. Petersburg (Russia) Sept. 5-9: 1-2 (2000)