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College of Arts & Sciences
Department of Earth & Ocean Sciences


Howie Scher

Associate Professor
Department of Earth and Ocean Sciences
University of South Carolina

Phone Number: 803 777-2410
Email: hscher@geol.sc.edu
Office: PSC 519B
Research Areas: Climate Change
Geochemistry
Sedimentology & Stratigraphy
Howie Scher

 Research Interests

Cenozoic ocean history 
Role of the ocean during abrupt climate events 
Changes in seawater chemistry 
Evolution of the Southern Ocean and Antarctic cryosphere 
Spatial and temporal variations in the distribution of seawater trace elements and isotopes (TEI’s)
Developing and calibrating proxies for paleoceanography

 

Employment History

Associate Professor, University of South Carolina, Department of Earth and Ocean Sciences
Assistant Professor, University of South Carolina, Department of Earth and Ocean Sciences
Research Assistant Professor, University of South Carolina, Department of Geological Sciences (on leave to UCSC through 12/31/08)
2006-2008 Institute of Marine Sciences Postdoctoral Scholar, University of California, Santa Cruz
2005-2006 Visiting Assistant Professor, University of Rochester, Department of Earth and Environmental Sciences
1999-2005 Research Assistant for Professor Ellen E. Martin, University of Florida, Department of Geological Sciences
1996-1999 Laboratory and field assistant for Professor John A. Tarduno, University of Rochester, Department of Earth and Environmental Sciences
2005
1999 B.S., Environmental Science, University of Rochester; Senior Thesis title: Late Cretaceous climate in the high Arctic from Axel Hieberg Island (John A. Tarduno, thesis advisor).
2012 Seeking Hidden Glaciations of the Greenhouse World, OCE 115630, $285,021. PI Howie D. Scher
2011 Collaborative Research: Stable strontium isotope ratios (88/86Sr) in abiotic and microbially mediated barite, EAR 1053474, $226,210. PI Howie D. Scher (Collaborating with Elizabeth Griffith)
2010 Ocean Acidification: Real time assessment of ocean acidification proxies and their incorporation in the marine sediment record, OCE 1039503, $440,877. PI Robert Thunell, co-PI Howie D. Scher
2010 Collaborative Research: US GEOTRACES North Atlantic Section - Nd isotope distribution: sources, sinks and internal cycling, OCE 0926981, $715,442. PI Howie D. Scher (Collaborating with Steven Goldstein and Katharina Pahnke)
2008 NSF-OCE 0820723 MRI: Acquisition of a multi-collector inductively coupled plasma mass spectrometer. PI: Robert C. Thunell, Co-PI’s:, Michael Bizimis, Howie D. Scher, Timothy Shaw. 09/1/2008-08/31/2011. $695,247.
2007 NSF-ANT 0732940 COLLABORATIVE RESEARCH: IPY: Testing the Polar Gateway Hypothesis: An Integrated Record of Drake Passage Opening & Antarctic Glaciation. PI: Howie D. Scher (PI) 09/15/2007-09/14/2010. $105,662 (Collaborating with USC PI’s: David L. Barbeau and Robert C. Thunell).
2007 NSF-OCE 0647876 Tectonic Gateways and Southern Ocean circulation during the Paleogene: the Proto Antarctic Circumpolar Current. PI: Margaret L. Delaney, Primary author: Howie D. Scher (primary author). 04/01/07-03/31/09. $250,219.
2014 Institute of Marine and Antarctic Science Visiting Scholarship. University of Tasmania, Australia.
2006 Postdoctoral Scholar Award. Institute of Marine Science. UC Santa Cruz.
2005 Horn Award for outstanding graduate student. Department of Geological Sciences. University of Florida.
2004 McLaughlin Dissertation Fellowship. Office of Research. University of Florida. (I declined this award)
2002 ExxonMobil 2002 student leadership conference delegate. ExxonMobil Exploration Corporation
1999 Alumni Fellowship. Office of Research. University of Florida.
1999 Percy Dutton Award. College of Liberal Arts and Sciences. University of Rochester.
1998 REU internship. National Science Foundation and University of Alaska, Fairbanks.
American Geophysical Union
Geochemical Society
American Chemical Society

1. Workshops and symposiums 

2008 GEOTRACES Pacific basin planning committee. University of Southern California
2007 Session convener for special session on silicon isotopes in the ocean, American Geophysical Union 2007 Fall Meeting
2004 Session convener for special session on new applications for radiogenic isotopic tracers in the oceans, American Geophysical Union 2004 Fall Meeting

Syracuse University, Department of Earth Science, The flickering late Eocene greenhouse. March 19, 2015.

University of Texas Arlington, Were there ice sheets of significant size during the Eocene? October 24, 2013.

Bermuda Institute of Ocean Sciences, Bermuda. A hitchhikers guide to climate change; a selection of readings from the marine sediment archive of Earth history. June 1, 2012.

Expedition 342 science seminar series, JOIDES Resolution, Seeking hidden glaciations of the greenhouse world. June 10, 2012

Rutgers University, Department of Marine and Coastal Sciences. Seeking hidden glaciations with marine sediments. October 31, 2011.

Columbia University, L-DEO, Geochemistry. Letting the cold in: Southern Ocean circulation and Antarctic weathering before, during, and after the Eocene Oligocene Transition. May 11, 2011.

USC – Savannah River National Laboratories Carbon Sequestration Workshop, A Hitchhikers Guide to Greenhouse Climate States: What We Know From the Geological Record. May 4, 2010

Savannah State University. Marine Science Program. A hitchhikers guide to the greenhouse icehouse transition, October 21, 2009.

IODP Expedition 320 Science talk series. Weathering pulses during the Eocene Oligocene Transition. April 14, 2009.

San Francisco State University. Department of Geosciences. Adventures in deep time paleoclimate: rapid response characteristics of the global climate system revealed from Nd isotope records of ancient seawater. September 2, 2008

University of Hawaii, Geology and Geophysics. What will high resolution neodymium isotope records from marine sediments reveal?  Examples from early Cenozoic abrupt climate events. February 29, 2008.

Mills College, Environmental Sciences. Changes in ocean chemistry during abrupt climate events: Examples from the Eocene Oligocene climate transition. November 7, 2007.

Stanford University. Department of Geological and Environmental Sciences. Commotion in the Ocean: Evolution of the Antarctic Circumpolar Current. May 29, 2007

University of California Berkeley. Center for Isotope Geochemistry. Commotion in the Ocean: Evolution of the Antarctic Circumpolar Current. April 25, 2007.

University of South Carolina. Department of Geological Sciences. Commotion in the Ocean: Evolution of the Antarctic Circumpolar Current. January 26, 2007.

UC Santa Cruz. Ocean Sciences Department. Commotion in the Ocean: Evolution of the Antarctic Circumpolar Current. March 14, 2007.

Alfred University. Department of Geology. The proto Antarctic circumpolar current; evidence from Southern Ocean sediment cores. November 8, 2006.

Ohio State University. Department of Geology. The proto Antarctic circumpolar current; evidence from Southern Ocean sediment cores. March 2006.

Boston University. Department of Earth Sciences. The proto Antarctic circumpolar current; evidence from Southern Ocean sediment cores. January 2006.

University of Florida. Department of Geological Sciences. Variability of Southern Ocean Circulation During the Paleogene Determined From Nd Isotopes. January 30, 2004.

June 1 - July 31, 2012 Paleogene Newfoundland Margin Drifts; IODP Expedition 342, Inorganic Geochemist
March 5 – May 5, 2009 Pacific equatorial age transect (PEAT 1); IODP Expedition 320, Physcial Properties Specialist

2015

Robinson, R.S., Moore, T.C., Erhardt, A.M., Scher, H.D., 2015. Evidence for changes in subsurface circulation in the late Eocene equatorial Pacific from radiolarian-bound nitrogen isotope values. Paleoceanography 30, 912-922.

Scher, H.D., Whittaker, J.M., Williams, S.E., Latimer, J.C., Kordesch, W.E.C., Delaney, M.L., 2015. Onset of Antarctic Circumpolar Current 30 million years ago as Tasmanian Gateway aligned with westerlies. Nature 523, 580-584.

Stichel, T., Hartman, A.E., Duggan, B., Goldstein, S.L., Scher, H.D., Pahnke, K., 2015. Separating biogeochemical cycling of neodymium from water mass mixing in the Eastern North Atlantic. Earth and Planetary Science Letters 412, 245-260.

Widanagamage, I.H., Griffith, E.M., Singer, D.M., Scher, H.D., Buckley, W.P., Senko, J.M., 2015. Controls on stable Sr-isotope fractionation in continental barite. Chemical Geology 411, 215-227.

2014

Moebius, I., Friedrich, O., Scher, H.D., 2014. Changes in Southern Ocean bottom water environments associated with the Middle Eocene Climatic Optimum (MECO). Palaeogeography Palaeoclimatology Palaeoecology 405, 16-27.

Scher, H.D., Bohaty, S.M., Smith, B.W., Munn, G.H., 2014a. Isotopic interrogation of a suspected late Eocene glaciation. Paleoceanography 29, 2014PA002648.

Scher, H.D., Griffith, E.M., Buckley, W.P., 2014b. Accuracy and precision of 88Sr/86Sr and 87Sr/86Sr measurements by MC-ICPMS compromised by high barium concentrations. Geochemistry, Geophysics, Geosystems 15, 499-508. 

Widanagamage, I., Schauble, E.A., Scher, H.D., Griffith, E.M., 2014. Stable strontium isotope fractionation in synthetic barite. Geochimica et Cosmichimica Acta 147, 58-75.

2013

Gallagher, S.J., Villa, G., Drysdale, R.N., Wade, B.S., Scher, H., Li, Q., Wallace, M.W., Holdgate, G.R., 2013. A near-field sea level record of East Antarctic Ice Sheet instability from 32 to 27 Myr. Paleoceanography 28, 1-13.

2012

Pälike, H., Lyle, M.W., Nishi, H., Raffi, I., Ridgwell, A., Gamage, K., Klaus, A., Acton, G., Anderson, L., Backman, J., Baldauf, J., Beltran, C., Bohaty, S.M., Bown, P., Busch, W., Channell, J.E.T., Chun, C.O.J., Delaney, M., Dewangan, P., Jones, T.D., Edgar, K.M., Evans, H., Fitch, P., Foster, G.L., Gussone, N., Hasegawa, H., Hathorne, E.C., Hayashi, H., Herrle, J.O., Holbourn, A., Hovan, S., Hyeong, K., Iijima, K., Ito, T., Kamikuri, S., Kimoto, K., Kuroda, J., Leon-Rodriguez, L., Malinverno, A., Moore, T.C., Murphy, B.H., Murphy, D.P., Nakamura, H., Ogane, K., Ohneiser, C., Richter, C., Robinson, R., Rohling, E.J., Romero, O., Sawada, K., Scher, H., Schneider, L., Sluijs, A., Takata, H., Tian, J., Tsujimoto, A., Wade, B.S., Westerhold, T., Wilkens, R., Williams, T., Wilson, P.A., Yamamoto, Y., Yamamoto, S., Yamazaki, T., Zeebe, R.E., 2012. A Cenozoic record of the equatorial Pacific carbonate compensation depth. Nature 488, 609-614.

van de Flierdt, T., Pahnke, K., Amakawa, H., Andersson, P., Basak, C., Coles, B., Colin, C., Crocket, K., Frank, M., Frank, N., Goldstein, S.L., Goswami, V., Haley, B.A., Hathorne, E.C., Hemming, S.R., Henderson, G.M., Jeandel, C., Jones, K., Kreissig, K., Lacan, F., Lambelet, M., Martin, E.E., Newkirk, D.R., Obata, H., Pena, L., Piotrowski, A.M., Pradoux, C., Scher, H.D., Schoberg, H., Singh, S.K., Stichel, T., Tazoe, H., Vance, D., Yang, J.J., Partici, G.I., 2012. GEOTRACES intercalibration of neodymium isotopes and rare earth element concentrations in seawater and suspended particles. Part 1: reproducibility of results for the international intercomparison. Limnology and Oceanography-Methods 10, 234-251.

2011

Scher, H.D., Bohaty, S., Zachos, J.C., Delaney, M.L., 2011. Two-stepping into the icehouse: East Antarctic weathering during progressive ice-sheet expansion at the Eocene-Oligocene Transition. Geology 39, 383-386.

2010

Martin, E.E., Blair, S.W., Kamenov, G.D., Scher, H.D., Bourbon, E., Basak, C., Newkirk, D.N., 2010. Extraction of Nd isotopes from bulk deep sea sediments for paleoceanographic studies on Cenozoic time scales. Chemical Geology 269, 414-431.

Scher, H.D., Delaney, M.L., 2010. Breaking the glass ceiling for high resolution Nd isotope records in early Cenozoic paleoceanography. Chemical Geology 269, 329-338.

pre-2010

Scher, H.D., Martin, E.E., 2008. Oligocene deep water export from the North Atlantic and the development of the Antarctic Circumpolar Current examined with neodymium isotopes. Paleoceangraphy 23, PA1205, doi:1210.1029/2006PA001400.

Barker, P.F., Filippelli, G.M., Florindo, F., Martin, E.E., Scher, H.D., 2007. Onset and role of the Antarctic Circumpolar Current. Deep Sea Research Part II: Topical Studies in Oceanography 54, 2388-2398.

Martin, E.E., Scher, H., 2006. A Nd isotopic study of southern sourced waters and Indonesian throughflow at intermediate depths in the Cenozoic Indian Ocean. Geochemistry Geophysics Geosystems 7, Q09N02, doi:10.1029/2006GC001302.

Scher, H.D., Martin, E.E., 2006. Timing and climatic consequences of the opening of Drake Passage. Science 312, 428-430.

Martin, E.E., Scher, H.D., 2004. Preservation of seawater Sr and Nd isotopes in fossil fish teeth: bad news and good news. Earth and Planetary Science Letters 220, 25-39.

Scher, H.D., Martin, E.E., 2004. Circulation in the Southern Ocean during the Paleogene inferred from neodymium isotopes. Earth and Planetary Science Letters 228, 391-405.

Channell, J.E.T., Galeotti, S., Martin, E.E., Billups, K., Scher, H.D., Stoner, J.S., 2003. Eocene to Miocene magnetostratigraphy, biostratigraphy, and chemostratigraphy at ODP Site 1090 (sub-Antarctic South Atlantic). Geological Society of America Bulletin 115, 607-623.

Tarduno, J.A., Brinkman, D.B., Renne, P.R., Cottrell, R.D., Scher, H., Castillo, P., 1998. Evidence for extreme climatic warmth from late Cretaceous Arctic vertebrates. Science 282, 2241-2244.

  1. Scher, H. D. (2014), Stacking PEAT; A neodymium isotope stack for the Paleogene equatorial Pacific, paper presented at Climatic and Biotic Events of the Paleogene, Ferrara, Italy, July 2-4, 2014.
  2. Scher, H. D. (2014), Deep Water Composition and Weathering in the Paleogene North Atlantic; Results from the Newfoundland Ridges, paper presented at Climatic and Biotic Events of the Paleogene, Ferrara, Italy, July 2-4, 2014.
  3. *Cameron, A. J., P. F. Sexton, P. Anand, M. A. Fehr, and H. D. Scher (2014), Strengthening of North Atlantic deep water production from the Norwegian-Greenland Sea at onset of the Eocene cooling trend, paper presented at Climatic and Biotic Events of the Paleogene, Ferrara, Italy, July 2-4, 2014.
  4. *Duggan, B., A. Hartman, T. Stichel, K. Pahnke, S. L. Goldstein, and H. D. Scher (2014), Neodymium as a Tracer in the North Atlantic Deep Western Boundary Current, paper presented at Goldschmidt Geochemistry Conference, Sacramento, CA, June 8-13, 2014.
  5. *Cameron, A., Scher, H.D., Sexton, P.F., 2014, Water mass circulation in the North Atlantic during the early Cenozoic. Presented at the European Geophysical Union, Vienna, Austria, April 28 – May 2014
  6. Bohaty, S.M., Scher, H.D., Zachos, J.C., Liebrand, D., Paelike, H., 2014, Episodic cooling and glacial initiation during the Late Eocene 'Pre-Icehouse' interval. Presented at the XXXII SCAR Biennial Meetings, Auckland, NZ, Aug. 23 - Sept. 3, 2014.
  7. *Moebius, I., Friedrich, O., Kirsty, E.M., Scher, H.D., Sexton, P., 2013, Bottom water changes in the subtropical North Atlantic and the Southern Ocean associated to the Middle Eocene Climatic Optimum. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, PP31A-1852.
  8. Riesselman, C.R., Scher, H.D., Dowsett, H.J., Robinson, M.M., 2013, Neodymium and carbon isotopic fingerprints of warm Pliocene circulation throughout the deep Atlantic. Presented at the Fall meeting of the American Geophysical Union, San Francisco, CA, PP53C-2017.
  9. Scher, H., Griffith, E., Buckley, W., 2013a, New insights into simultaneous determination of mass-dependent isotopic fractionation and radiogenic isotope variations of strontium by MC-ICPMS. Presented at the Goldschmidt Conference on Geochemistry, Florence, Italy, Mineralogical Magazine, 77, 2150.
  10. Scher H.D., Romans B, Buckley W, Gibson K, Moffitt Z (2013) Changes in sediment provenance to the Southeast Newfoundland Ridge from the late Eocene to the early Oligocene; Northern hemisphere glaciation or deep water circulation? PP41A-2046. Presented at the 2013 Fall Meeting of the American Geophysical Union.
  11. Scher, H., Romans, B., Buckley, W., Moffitt, Z., 2013b, Terrigenous input, deep water circulation, and bottom current intensity in the late Eocene to late Oligocene North Atlantic. Presented at the 11th International Conference on Paleoceanography, Sitges, Spain, P-321.
  12. *Widanagamage, I., Griffith, E., Scher, H., 2013a, Stable Sr Isotope Fractionation in Synthetic Barite. Presented at the Goldschmidt Conference on Geochemistry, Florence, Italy, 77, 2489.
  13. *Widanagamage, I., Singer, D.M., Scher, H.D., Griffith, E.M., 2013b, Mass dependent stable Sr isotopic fractionation and coordination environment in continental barite from Zodletone Spring, Oklahoma. Presented at the Geological Society of America Meeting, Denver, CO, 149, 414.
  14. *Wright, M.A., Barbeau, D.L., Scher, H.D., Oliver, B.P., Hemming, S.R., 2013, Testing the Cretaceous Glaciation Hypothesis Utilizing Nd Isotopes of Southern Ocean Sediment. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, PP13A-1865.
  15. *Hartman, A., Goldstein, S.L., Pahnke, K., Stichel, T., Scher, H., 2012, Northeast Atlantic Zonal Transect: Processes governing Nd isotopes and REE concentration. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, OS41A-1688.
  16. Riesselman, C., Scher, H., Robinson, M., Dowsett, H., Bell, D., 2012, Carbon and Neodymium Isotopic Fingerprints of Atlantic Deep Ocean Circulation During the Warm Pliocene. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, PP31A-2014.
  17. Scher, H.D., 2012, The circum-Antarctic sedimentary record; a dowsing rod for Antarctic ice in the Eocene (Invited). Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, December 3-7, 2012. PP12A-03.
  18. Stichel, T., Pahnke, K., Goldstein, S.L., Hartman, A., Scher, H., 2012a, The geochemistry of seawater neodymium isotopes in the TAG hydrothermal plume at the Mid Atlantic Ridge. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, OS41A-1690.
  19. Stichel, T., Pahnke, K., Goldstein, S.L., Harman, A., Scher, H., 2012b, Geotraces North Atalantic Section- Nd Isotope Distribution: Sources, Sinks and Internal Cycling. Presented at the Ocean Sciences Meeting, Salt Lake City, Utah, A0021.
  20. *Buckley, W.P., Scher, H.D., Thunell, R.C., Brzezinski, M.A., Peterson, T.D., 2011, Tracking changes in silicon isotopic composition during diatom descent and dissolution in the Cariaco Basin. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP51B-1832.
  21. *Pusz, A.E., Scher, H.D., Thunell, R.C., 2011, Glacial Erosion of Antarctica evidenced by a rapid Nd isotope excursion associated with the Eocene-Oligocene Transition. Presented at the American Association of Petroleum Geologists Student Expo., Houston, Texas,
  22. *Smith, B.W., Munn, G.H., Bohaty, S.M., Scher, H.D., 2011, Late Eocene Antarctic glacial events revealed by radiogenic isotope records from the Kerguelen Plateau. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP11B-1776.
  23. Riesselman, C.R., Dowsett, H.J., Scher, H.D., Robinson, M.M., 2011, A new multi-proxy reconstruction of Atlantic deep ocean circulation during the warm mid-Pliocene. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP13A-1818.
  24. Scher, H.D., 2011, Pacific Water Mass Circulation During the Paleogene: Initial Results from Pacific Equatorial Age Transect (PEAT) Sediment Cores. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP13A-1797.
  25. *Buckley, W.P., Scher, H.D., Thunell, R., Brzezinski, M.A., Peterson, T.D., 2010, Tracking changes in silicon isotopic composition during diatom descent and dissolution in the Cariaco Basin. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP11A-1429.
  26. *Munn, G.H., Scher, H.D., Bohaty, S.M., Pusz, A.E., Thunell, R.C., Delaney, M.L., 2010a, The Geochemical Signature of Antarctic Glaciation. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP11B-1776.
  27. *Munn, G.H., Scher, H.D., Smith, B.W., Bohaty, S.M., 2010b, Exposing Hidden Glaciations of the Early Cenozoic Greenhouse. Presented at the 10th International Conference on Paleoceanography, La Jolla, California, Th86.
  28. *Pusz, A.E., Scher, H.D., Thunell, R.C., 2010, Rapid excursion in South Atlantic water mass εNd in response to Antarctic glaciation Presented at the 10th International Conference on Paleoceanography, La Jolla, California, Th120.
  29. *Smith, B.W., Scher, H.D., Munn, G., Bohaty, S.M., 2010, Playing Hide and Seek with Hidden Glaciations: Confirming the Existence of Eocene Antarctic Ice Sheets. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP11E-1482.
  30. *Li, K., Tian, J., Scher, H., 2010, Nd isotopes in Fossil Fish Teeth: A Trace of Deep Circulation Changes in the South China Sea. Presented at the 10th International Conference on Paleoceanography, La Jolla, California, P-092.
  31. *Pusz, A.E., Scher, H.D., Thunell, R.C., 2010, Glacial Erosion of Antarctica Evidenced by a Rapid Nd Isotope Excursion Associated with the Eocene-Oligocene Transition. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP23A-1727.
  32. Scher, H.D., Delaney, M.L., 2010a, When the Bottom Dropped Out: The Tasman Seaway. Presented at the 10th International Conference on Paleoceanography, La Jolla, California, Aug. 29 – Sept. 3. Th121.
  33. Scher, H.D., Delaney, M.L., 2010b, Evaluation the Source of Nd to the Southern Ocean During the Eocene Oligocene Transition, Eos Tans. Presented at the 2010 Ocean Sciences, Portland, OR, AGU, 91, PA25B-13.
  34. Scher, H.D., Whittaker, J., Williams, S., Delaney, M.L., 2010, Commotion in the Ocean: Tasmanian Gateway Tectonics and Initiation of Circum-Antarctic Circulation. Presented at the Fall Meeting of American Geophysical Union, San Francisco, CA, PP22B-08.
  35. Martin, E.E., Blair, S.W., Kamenov, G.D., Scher, H.D., Bourbon, E., Basak, C., Newkirk, D., 2009, Chemical extraction of Nd isotopes from deep-sea sediments for Cenozoic and Cretaceous paleoceanographic studies. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 100, PP31B-1313.
  36. *Pusz, A.E., Thunell, R.C., Scher, H.D., Barbeau, D.L., Miller, K.G., Wright, J.D., 2009, Climatic and Oceanographic Changes across the Eocene-Oligocene Boundary: Results from South Atlantic ODP Site 1090. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 99,
  37. Scher, H.D., Bohaty, S.M., 2009, Seeking Hidden Glaciations in the Greenhouse World: A New Approach Using Nd Isotopes. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, PP41A-1496.
  38. Scher, H.D., Pusz, A.E., Bohaty, S.M., Thunell, R.C., Delaney, M.L., 2009, Transient changes in Southern Ocean Nd isotope composition in response to Antarctic glaciation. Presented at the Goldschmidt Conference on Geochemistry, Davos, Switzerland, A1172.
  39. Scher, H.D., Delaney, M.L., 2008, Ice Sheet Regulation of Weathering Fluxes during Eocene Oligocene Transition. Presented at the Goldschmidt Conference on Geochemistry, Vancouver, BC, Geochimica et Cosmochimica Acta, A829.
  40. *Zahid, K., Ducea, M., Scher, H., Barbeau, D., 2008, Nd Isotope Provenance Signatures from Atlantic Coast of Tierra Del Fuego. Presented at the Joint Meeting of The Geological Society of America, Houston, TX, Oct. 2 - 8, 2018. 151976.
  41. *Chun, C.O.J., Scher, H.D., Delaney, M.L., 2007, Cerium Anomalies in Fossil Fish Teeth Reveal Changes in Bottom Water Oxygenation. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 88, PP23C-04.
  42. Martin, E.E., Scher, H.D., 2007, Evolution of Atlantic circulation following the opening of Drake Passage based on neodymium isotopes in fossil fish teeth. Presented at the 9th International Conference on Paleoceanography, Shanghai, China, P-4-58.
  43. Scher, H.D., 2007, Cerium Anomalies in Fossil Fish Teeth Reveal Changes in Bottom Water Oxygenation. Presented at the Eocene Hyperthermals and Carbon Sequestration Workshop, Santa Cruz, California,
  44. Scher, H.D., Bohaty, S.M., Zachos, J.C., Delaney, M.L., 2007a, A weathering pulse during the Eocene Oligocene climate transition. Presented at the 9th International Conference on Paleoceanography, Shanghai, China, P-4-58.
  45. Scher, H.D., Thunell, R.C., Delaney, M.L., 2007b, An Updated Method for the Measurement of Silicon Isotopes From Opal, Examples From Cariaco Basin Sediment Traps. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 88, OS24B-04.
  46. Martin, E.E., Scher, H.D., 2006, Vertical Water Mass Structure of the Southern Ocean Inferred From Neodymium Isotopes: Implications for Organic Carbon Burial. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 97, PP21D-02.
  47. Scher, H.D., Delaney, M.L., Bohaty, S., Zachos, J., 2006, Widespread Changes in Ocean Circulation Following the Opening of Drake Passage. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 87, PP21B-1681.
  48. Scher, H.D., Martin, E.E., 2005, Invited, New insights into Atlantic sector paleoceanography from Nd isotopes. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl, PP51F-01.
  49. Blair, S.W., Scher, H.D., Martin, E.E., Lyons, J.L., 2004, An improved method for extracting Nd isotopes from marine sediments. Presented at the 8th International Conference on Paleoceanography, Biarritz, France, 27-28.
  50. Martin, E.E., Scher, H.D., Livera, K., 2004, Tracking Warm Saline Deep  Water on Maud Rise Using Nd Isotopes. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., PP31B-02.
  51. Scher, H.D., Martin, E.E., 2004, Evidence for an Open Drake Passage in the Late Middle Eocene. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans, AGU, Fall Meet. Suppl, PP54A-01.
  52. Martin, E.E., Scher, H.D., 2003, Preservation of Seawater Strontium and Neodymium in Fossil Fish Teeth. Presented at the Joint Assembly of the American and European Geophysical Unions, Nice, France, Geophysical Research Abstracts, 5, 06368.
  53. Scher, H.D., Martin, E.E., 2003a, A History of Water Mass Circulation in the Paleogene Southern Ocean from Nd Isotopes. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Fall Meet. Suppl., 84, PP32C-01.
  54. Scher, H.D., Martin, E.E., 2003b, Eocene to Miocene Southern Ocean Circulation: Neodymium Records from Fossil Fish Teeth. Presented at the Joint Assembly of the American Geophysical Union and European Geophysical Union, Nice, France, Geophysical Research Abstracts, 5, 06643.
  55. Scher, H.D., Martin, E.E., Blair, S.W., 2003, A Comparison of Nd Isotopes From Ferromanganese Oxide Coatings and Fossil Fish Teeth: Toward Higher Resolution Nd Records on Cenozoic Time Scales. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, Eos Trans. AGU, Ocean Sci. Meet. Suppl., OS42F-11.
  56. Scher, H.D., Martin, E.E., Haase, A.A., 2002, Eocene to Miocene Intermediate Indian Ocean Water Circulation. Presented at the Goldschmidt Conference on Geochemistry, Davos Switzerland, 16-23 August 2002. Geochim Cosmochim Acta, 66, A677.
  57. Channell, J.E.T., Galeotti, S., Martin, E.E., Billups, K., Scher, H.D., Stoner, J., 2001, Eocene to Miocene magnetic, bio and chemostratigraphy at ODP Site 1090 (sub-Antarctic South Atlantic). Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, 82, GP12A-0201.
  58. Scher, H.D., Martin, E.E., 2001, Eocene to Miocene Nd Isotopes From Southern Ocean Fossil Fish Teeth. Presented at the 7th International Conference on Paleoceanography, Sapporo, Japan,
  59. Martin, E.E., Scher, H.D., 2000, Timing of the Opening of the Drake Passage to Deep Water Flow Based on Nd Isotopes. Presented at the Fall Meeting of the American Geophysical Union, San Francisco, CA, EOS Trans. AGU, Fall Meet. Suppl., 81, OS72F-01.
  60. Scher, H.D., 1999, New Evidence for a Warm Arctic Climate During the Late Cretaceous. Presented at the National Conference for Undergraduate Research, Rochester, New York,