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斯蒂芬妮Brachfeld
研究生院研究副教务长
- 办公室:
- 护理学院和研究生院487B
- 电子邮件:
- brachfelds@montclair.edu
- 电话:
- 973-655-5129
- 度:
- 罗彻斯特大学学士学位
- 加州理工学院硕士
- 明尼苏达大学博士
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Dr. Brachfeld is the Vice Provost for Research and Interim Dean of the Graduate School at Montclair State University. Dr. Brachfeld's team in the Office of Research supports and facilitates research production, administration, and compliance. Dr. Brachfeld is particularly interested in working across university divisions and offices to build our culture of research, modernize Montclair's research infrastructure, engage in research master planning, and advance Montclair's leadership role in New Jersey as a public doctoral research university.
Dr. Brachfeld is an active researcher, an elected member of Phi Kappa Phi honor society, previous recipient of the Antarctic Service Medal, NSF Early Career Award, CSAM's Sokol Faculty Fellowship, and the University's Distinguished Scholar award. Her expertise is in marine geology, Antarctic System Science, paleoclimatology, paleomagnetism, environmental magnetism, and planetary magnetism. Dr. Brachfeld has earned over $4M in research funding from the National Science Foundation, National Aeronautics and Space Administration, International Ocean Discovery Program, and Antarctic Drilling Program, and served as PI or co-PI on 5 instrumentation grants. She has served as an invited member of advisory boards for multiple NSF-funded national facilities and programs including the Institute for Rock Magnetism, Antarctic Marine Geology Research Facility, US Polar Rock Repository, Antarctic Research and Supply Vessel Scientific Advisory Committee, and the Polar Subcommittee of the Advisory Board to the NSF Geoscience Directorate. She currently chairs the Science Communication subcommittee of the U.S. Advisory Committee for Scientific Ocean Drilling (USAC) and serves on the editorial board of the journal Marine Geology.
Dr. Brachfeld has participated in 11 marine geology and geophysics and paleoceanographic expeditions to Antarctica, the North Atlantic Ocean, and Arctic Ocean aboard the research vessels Nathaniel B. Palmer, Laurence M. Gould, US Coast Guard Cutter Healy, JOIDES Resolution, Marion Dufresne, and the Araon, and served in leadership roles as watch chief on 6 expeditions. She was an invited member of the Antarctic Drilling Program McMurdo Ice Shelf Science Team. Eight Montclair State University students have joined Dr. Brachfeld on these expeditions. Dr. Brachfeld is especially proud of her 70+ Montclair State University student advisees who are now gainfully employed as environmental professionals, geoscientists, K-12 educators, education and outreach specialists, government employees, postdocs and research scientists, professors, and those pursuing advanced degrees.
Dr. Brachfeld previously served as Associate Dean for Academic Affairs and Research in the College of Science and Mathematics where she oversaw curriculum, research support, facilities, and finance. Prior to serving in the Dean's Office Dr. Brachfeld was Chair of the Department of Earth and Environmental Studies, Director of the PhD program in Environmental Management, Graduate Program Coordinator and Undergraduate Program Advisor for the MS and BS programs in Earth and Environmental Science, and was the Founding Director of the electron microscopy facility now known as the Microscopy and Microanalysis Research Laboratory.
Dr. Brachfeld has longstanding interests in student fellowships and research grants, professional development and career planning, academic leadership development, and helping students and early career scientists locate level-appropriate research grant programs. She serves as a Resource Faculty Member for the National Science Foundation Graduate Research Fellowship Program. Please see her links section for pointers to student scholarships, student research grants, graduate and postdoctoral research fellowships and websites listing job opportunities in geoscience, environmental science, geography, sustainability, and GIS.
Google Scholar Profile: https://scholar.google.com/citations?user=wfpCCo4AAAAJ&hl=en
ORCID Profile: https://orcid.org/0000-0003-4612-2866
EDUCATION
Ph.D. Geophysics, University of Minnesota, MN, 1999
M.S. Geology, California Institute of Technology, CA 1992
B.S. Geology, University of Rochester, NY 1990
APPOINTMENTS
Vice Provost for Research and Interim Dean of the Graduate School, 01/27/火狐体育 to present
Vice Provost for Research, 07/2024 to present
Acting Vice Provost for Research, 8/2022 - 06/2024
APLU Council on Research (CoR) Research Leader Fellowship Program, 6/2024 to present
Associate Dean for Academic Affairs and Research, College of Science and Mathematics, 7/18-7/22.
Acting Associate Dean, College of Science and Mathematics, 9/17-6/18
Director, PhD Program in Environmental Management, Montclair State University, 7/15-8/17
Chair, Earth and Environmental Studies, Montclair State University 9/13-8/17
Professor, Earth and Environmental Studies, Montclair State University, 9/13 to present
Adjunct Scientist, Lamont Doherty Earth Observatory, Columbia University, 2009 to present
Associate Professor, Earth and Environmental Studies, Montclair State University, 9/07-8/13
Assistant Professor, Earth and Environmental Studies, Montclair State University, 9/03-8/07
Research Associate, Byrd Polar Research Center, Ohio State University, 2002-2003
Byrd Postdoctoral Fellow, Byrd Polar Research Center, Ohio State University, 2001-2002
Postdoctoral scientist and adjunct instructor, Geology and Geophysics, University of Minnesota, 1999-2000
Instructor, Youth and Family Programs, Science Museum of Minnesota, 1997
Instructor, College of Liberal Arts Honors Division, University of Minnesota, 1996
Instructor, College of Extension and Continuing Education, University of Minnesota, 1992
RECENT PUBLICATIONS
* indicates current or former Montclair student author
§ indicates a student author at another institution
Cowan, E.A., Wang, Z., Brachfeld, S., Vengosh, A., Hageman, S.J., Seramur, K.C., Pearson, W.F., §Wilson, J., §Karcher, R., Hill, R., 2024. Role of coal ash morphology and composition in delivery and transport of trace metals in the aquatic environment, Environmental Pollution, https://doi.org/10.1016/j.envpol.2024.124982.
*Reilly, B., Tauxe, L., Brachfeld, S., Kenlee, B., Gutjhar, M., Dale, A., Hernández-Almeida, Hemming, S., Bailey, I., Zheng, X., Cheu, D., Taglienti, R., Weber, M.E., Raymo, R., Williams, T., 2024. A geochemical mechanism for >10 m offsets of magnetic reversals inferred from the comparison of two Scotia Sea drill sites, Geochemistry Geophysics Geosystems, https://doi.org/10.1029/2023GC011325.
Dong, Y., *Gachetti, A., *Wu, Q., *DePalma, M., Hu, X., Brachfeld, S., Yang, Z., Jiang, S., Cui, Y. 2024. Paleoenvironment reconstruction of the eastern Tethys during the pre-onset excursion prior to the PETM. Palaeogeography, Palaeoclimatology, Palaeoecology, https://doi.org/10.1016/j.palaeo.2024.112234.
Bierman, P.R., Christ, A.J., §Collins, C.M., §Mastro, H.M., §Souza, J., Blard, P.-H., Brachfeld, S., Courville, Z.R., Rittenour, T.M., Thomas, E.K., Tison, J.-L., Fripiat, F., 2024. The Camp Century sub-glacial sediment core: scientific history, sub-sampling approach, and physical characterization of a rare archive from beneath the Greenland Ice Sheet, The Cryosphere, https://doi.org/10.5194/tc-18-4029-2024.
Brachfeld, S., §McCartney, K., Hammer, J.E., Shea, T., Giachetti, T., 2024. Evaluating the role of titanomagnetite in bubble nucleation: Rock magnetic detection and characterization of nanolites and ultra-nanolites in rhyolite pumice and obsidian from Glass Mountain, California, Geochemistry Geophysics Geosystems, https://doi.org/10.1029/2023GC011336.
§McCartney, K., Hammer, J.E., Shea, T., Brachfeld, S., Giachetti, T., 2024. Investigating the role of nanoscale titanomagnetite in bubble nucleation via novel applications of magnetic analyses, Geochemistry Geophysics Geosystems, https://doi.org/10.1029/2023GC011338.
Wang, C-C., Hemming, S., O’Connell, S., §Carter, E., Rasbury, T., Williams, T., *Reilly, B.T., Brachfeld, S., Li, S., 2024. Stratigraphy and provenance of glacial-marine sediments off Dronning Maud Land, East Antarctica, during the mid‐Pleistocene transition and implications for ice sheet dynamics, Quaternary Science Reviews, 325, 108483, https://doi.org/10.1016/j.quascirev.2023.108483.
*§Verhagen, C., Jung, J.-I., Tikoo, S.M., Wittman, Z., Kring, D.A., Brachfeld, S., Wu, L., Burns, D.H., Gulick, S.P.S., 2023. The Nature of Secondary Fe-oxides and Sulfides in Upper Peak Ring Suevite from the Chicxulub Impact Structure, Minerals, 13(3), 353, https://doi.org/10.3390/min13030353.
§Dong, L., Polyak, L., Xiao, X., Brachfeld, S., Liu, Y., Shi, X., Fang, X., Bai, Y., Zhu, A., Li, C., Zhao, S., Wu, C., Wang, C., 2022. A Eurasian Basin sedimentary record of glacial impact on the central Arctic Ocean during MIS 1-4, Global and Planetary Change, Global and Planetary Change, https://doi.org/10.1016/j.gloplacha.2022.103993.
§Wang, Z., Cowan, E.A., Seramur, K., Dwyer, G.S., §Wilson, J.C., §Karcher,R., Brachfeld, S., and Vengosh, A., 2022. Legacy of coal ash contamination in lake sediments and implications for prevalent risks to aquatic ecosystems, Environmental Science & Technology, https://pubs.acs.org/doi/10.1021/acs.est.2c04717.
Armbrecht, L., Weber, M., Raymo, M., Peck, V., Williams, T., Warnock, J., Hernández-Almeida, I., §Hoem, F., Kato, Y., *Reilly, B., Hemming, S., Bailey, I., Martos, Y.M., Gutjahr, M. Brachfeld, S., and the Exp. 382 Scientists, 2022. 600,000 year old marine eukaryote sedaDNA reveals diatom transition in Antarctica (IODP Exp. 382), Nature Communications, https://doi.org/10.1038/s41467-022-33494-4.
Warnock, J.P., *Reilly, B.T., Raymo, M.E., Weber, M.E., Peck, V., Williams, T., Armbrecht, L., Bailey, I., Brachfeld, S., Du., Z., Gerson, F., Garcia, M.M., §Gluder, A., §Guitard, M., Gutjahr, M., Hemming, S., Hernández-Almeida, I., §Hoem, F.S., §Hwang, J.-H., Iizuka, M., Kato, Y., §Lee, B., Martos, Y.M, O’Connell, S., Pérez, L., Ronge, T.A., Seki, O., Tauxe, L., §Tripathi, S., Zheng, Z., Stoner, J., and Scherer, R.P., 2022. Latitudinal variance in the drivers and pacing of warmth during mid-Pleistocene MIS 31 in the Antarctic Zone of the Southern Ocean, Paleoceanography and Paleoclimatology, https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021PA004394.
Bailey, I., Hemming, S., *Reilly, B., Rollinson, G., Williams, T., Weber, M., Raymo, M., Peck, V., Ronge, T., Brachfeld, S., O’Connell, S., Tauxe, L., Warnock, J., Armbrecht, L., Cardillo, F., Du, Z., Fauth, G., Garcia, M., §Glueder, A., §Guitard, M., Gutjahr, M., Hernandez-Almeida, I., §Hoem, F., §Hwang, J.-H., §Iizuk, M., Kato, Y., §Kenlee, B., Martos, Y., Perez, L., Seki, O., §Tripathi, S., Zheng, X., 2022. Episodes of early Pleistocene West Antarctic Ice Sheet retreat recorded by Iceberg Alley sediments, Paleoceanography and Paleoclimatology, https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2022PA004433.
Weber, M. E., Bailey, I., Hemming, S.R., Martos, Y.M., *Reilly, B.T., Ronge, T. A., Brachfeld, S.A., Williams, T., Raymo, M. E., Belt, S.T., Smik, L., Vogel, H., Peck, V., L. Armbrecht, L., Cage, C., Cardillo, F.G., Du, Z., Fauth, G., Fogwill, C.J., Garcia, M., Garnsworthy, M., §Glüder, A., §Guitard, M., Gutjahr, M., Hernández-Almeida, I., §Hoem, F.S., §Hwang, J. -H., §Iizuka, M., Kato, Y., §Kenlee, B., O’Connell, S., Pérez, L.F., Seki, O., Stevens, L., Tauxe, L., §Tripathi, S., Warnock, J., Zheng, X., 2022. Antiphased dust deposition and productivity in the Antarctic Zone over 1.5 million years, Nature Communications, 13 (1), 1-18.
https://www.nature.com/articles/s41467-022-29642-5
*Reilly, B., Tauxe, L., Brachfeld, S., Raymo, M., Bailey, I., Hemming, S., Weber, M., Williams, T., Garcia, M., §Guitard, M., Martos, Y., Perez, L., Zheng, X., Armbrecht, L., Cardillo, F., Du, Z., Fauth, G., §Glueder, A., Gutjar, M., Hernandez-Almeida, I., §Hoem, F., §Hwang, J., §Iizuka, M., Kato, Y., §Lee, B., O’Connell, S., Peck, V., Ronge, T., Seki, O., §Tripathi, S., Warnock, J., 2021. New magnetostratigraphic insights from Iceber Alley on the trends and rhythms Antarctic climate during the Plio-Pleistocene, Paleoceanography and Paleoclimatology, V36(2), https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020PA003994.
Perez, L.F., Martos, Y.M., Garía, M., Weber, M.E., Raymo, M.E., Williams, T., Bohoyo, F., Armbrecht, L., Bailey, I., Brachfeld, S., §Glüder, A., §Guitard, M., Gutjar, M., Hemming, S., Hernández-Almeida, I., §Hoem, F.S., Kato, Y., O’Connell, S., Peck, V., *Reilly, B., Ronge, T., Tauxe, L., Warnock, J., Zheng, X., and the IODP Expedition 382 Scientists, 2021. Miocene to present oceanographic variability in the Scotia Sea and Antarctic Ice Sheet dynamics: Insight from revised seismic-stratigraphy following IODP Expedition 382, Earth and Planetary Science Letters, https://doi.org/10.1016/j.epsl.2020.116657.
*Reilly, B., McCormick, M., Brachfeld, S., Hayley, B., 2020. Authigenic ferrimagnetic iron sulfide preservation due to non-steady state diagenesis: A perspective from Perseverance Drift, Northwestern Weddell Sea, Geochemistry Geophysics Geosystems, https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2020GC009380.
§Pereira, P.S., van de Flierdt, T., Hemming, S., Frederichs, T., Hammond, S., Brachfeld, S., *Doherty, C. Kuhn, G., Smith, J., Klages, J., Hillenbrand, C-D., 2020. The geochemical and mineralogical fingerprint of West Antarctica's weak underbelly: Pine Island and Thwaites glaciers, Chemical Geology, https://doi.org/10.1016/j.chemgeo.2020.119649.
§Dove, I.A., Leventer, A., Metcalf, M., Brachfeld, S., Dunbar, R., Manley, P., Shevenell, A., Murray, R., Hommeyer, M., Kryc, K.A., McLenaghan, N., Taylor, F., Huber, B., 2020. Marine geological and geophysical investigation of Edward VIII Gulf, Kemp Coast, East Antarctica, Antarctic Science, 1-13, https://doi.org/10.1017/S0954102020000097.
Wellner, J.S., Scambos, Domack, E.W., Vernet, M., Leventer, A., Balco, G., Brachfeld, S., Cape, M.R., Huber, B., Ishman, S., McCormick, M.L., Mosley-Thompson, E., Petit, E., Smith, C.R., Truffer, M., van Dover, C., Yoo, K.-C., 2019. The Larsen Ice Shelf System, Antarctica (LARISSA): Polar Systems Bound Together, Changing Fast, GSA Today, 29, 1-7, https://doi.org/10.1130/GSATG382A.1.
§Dipre, G., Polyak, L. , Kuznetsov, A. , Oti, E., Ortiz, J., Brachfeld, S., Xuan, C., Lazar, K., Cook, A., 2018. Plio-Pleistocene sedimentary record from the Northwind Ridge: first insight 2 into paleoclimatic evolution of the western Arctic Ocean for the last >5 Ma, Arktos: PAST Gateways Special Issue, v4, 2018.
§Pereira, P.S, van de Flierdt, T., Hemming, S.R., Hammond, S.J, Kuhn, G., Brachfeld, S., *Doherty, C., and Hillenbrand. C.-D., 2018. Geochemical fingerprints of glacially eroded bedrock from West Antarctica: detrital thermochronology, radiogenic isotope systematics and trace element geochemistry in Late Holocene glacial-marine sediments,” Earth-Science Reviews, 182. 204-232. https://doi.org/10.1016/j.earscirev.2018.04.011.
§Kyrmanidou, A., §Vadman, K., Ishman, S., Leventer, A., Brachfeld, S., Domack, E., Wellner, J.S. 2018. Late Holocene oceanographic and climatic variability in the Perseverance Drift, northwestern Weddell Sea based on benthic foraminifera and diatoms, Marine Micropaleontology, 141:10-22.
Cowan, E.A., §Epperson, E.E., Seramur, K.C., Brachfeld, S.A., and Hageman, 2017. S.J., Magnetic susceptibility as a proxy for coal ash pollution within riverbed sediments in a watershed with complex geology (southeastern USA), Environmental Earth Science, 76:657, https://doi.org/10.1007/s12665-017-6996-8.
SELECTED RESEARCH GRANTS
Collaborative Research: Linking Marine and Terrestrial Sedimentary Evidence for Plio-pleistocene Variability of Weddell Embayment and Antarctic Peninsula Glaciation, S. Hemming (Columbia University, lead PI), I. Bailey, M. Kaplan, B. Keisling, S. Brachfeld (MSU PI), T. Williams, S. O’Connell, B. Reilly, L. Tauxe, J. Warnock, E.T. Rasbury, $191,890, NSF Office of Polar Programs, 09/01/21 to 08/31/2026.
Collaborative Research: Tracing coal ash solids in the environment- Implications for long-term contamination of the aquatic ecosystem, A. Vengosh (Duke University, lead PI), E. Cowan (Appalachian State University), and S. Brachfeld, $23,621, NSF Geobiology and Low Temperature Geochemistry, 03/01/2020 - 02/28/2023.
U.S. Science Support Program Office in Association with the International Ocean Discovery Program (USSSP-IODP), S. Brachfeld (PI), “Antarctic Ice Sheet Dynamics tracked by Lithic Clast and Fe-oxide Provenance,” Expedition 382 Post-expedition Post-Expedition Activity Award, sub-contract from Columbia University, U.S. Science Support Operator for IODP, $17,994, 12/01/2019 – 02/28/21.
Collaborative Research: Elucidating the role of titanomagnetite in rhyolite vesiculation, J. Hammer (lead PI Univ. Hawaii), S. Brachfeld (MSU PI), and T. Shea (co-PI), NSF Petrology and Geochemistry, $116,991, 04/01/19 – 03/31/22.
MRI: Acquisition of an Inductively Coupled Plasma- Mass Spectrometry (ICP MS) for elemental concentration and speciation analysis at Montclair State University, X. Li (PI) with co-PIs S. Brachfeld, Y. Deng, N. Goodey, and S. Passchier, $168,245, National Science Foundation Major Research Instrumentation Program, 09/01/15-08/31/19.
Collaborative Research: Deglacial ice dynamics in the Weddell Sea embayment using sediment provenance, National Science Foundation Antarctic Earth Sciences Program (with collaborators from Lamont Doherty Earth Observatory, Indiana University-Purdue University at Indianapolis, Imperial College, London, British Antarctic Survey, and the Alfred Wegener Institute, Germany)
Static and shock pressure treatment of synthetic Mars basalts: Implications for understanding the evolution of crustal magnetic anomalies, National Aeronautics and Space Administration Mars Fundamental Research Program (with collaborators from the University of Hawaii and Manoa, University of Minnesota, University of Wisconsin-Milwaukee, and Harvard University).
Acquisition of a spinner magnetometer and ancillary paleomagnetic equipment at Montclair State University, National Science Foundation Earth Sciences Instrumentation and Facilities Program.
Enhancing Holocene Ice Sheet and Ice Shelf Geochronology using Geomagnetic Paleointensity Variations, National Science Foundations Antarctic Earth Sciences.
Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach, Cryosphere & Oceans, Marine and Quaternary Geosciences, & Marine Ecosystems, National Science Foundation Antarctic Integrated System Science Program (with collaborators from 16 universities and research institutes in the U.S., Belgium, Canada, UK, and South Korea)
Acquisition of a Scanning Electron Microscope at Montclair State University, National Science Foundation, Major Research Instrumentation, Earth Sciences Division.
SELECTED HONORS AND AWARDS
Provost's Research Award, 2017
College of Science and Mathematics Faculty Research Award, Montclair State University, 2011
Herman and Margaret Sokol Faculty Fellow, 2010
Elected to Phi Kappa Phi Honor Society, 2007
Montclair State University Distinguished Scholar, 2006
National Science Foundation Early Career Award, 2004
Antarctic Service Medal, 2001
CURRENT AND FORMER ADVISEES AND LAB MEMBERS
Joanna Carlsen, M.A. in Teaching, 2005, now Physician's Assistant
Michael Cacciapuoti, B.S. in Geoscience, 2006, now Earth Science educator in NJ
Gina Quiñones, M.A. in Environmental Studies 2006, now Project Environmental Scientist at ARCADIS
Dr. Juliana Pinzon-Coutinho, B.S. in Biology, 2008, now practicing Doctor of Veterinary Medicine
Douglas Sieradzki, M.S. in Geoscience, 2008
Luisa Bouhot, B.S. in Business Administration, 2009, now Director of Operations at Proof Logistics Group
Dr. Cathleen (Dale) Doherty, B.S. in Biology, 2007, M.S. in Geoscience, 2009, now Associate Professor, Dept. Earth and Planetary Sciences, and Director of the Inorganic Analysis Facility, Rutgers University Environmental and Occupational Health Sciences Institute
Kenneth Kacperowski Jr, M.S. in Geoscience, 2009, now Senior Geologist at WSP Environment and Infrastructure USA
Dr. Daniel Hauptvogel, BS in Geoscience 2008, MS in Geoscience 2010, now Instructional Associate Professor at University of Houston
Dr. Melissa Hansen, M.S. in Geoscience, PhD in Environmental Management 2016, now instructor at Kean University and Montclair State University
David Cuomo, M.S. in Geoscience, 2010, now Geologist with the Louis Berger Group
Carl Natter, M.S. in Geoscience 2011, now Project Scientist at Ransom Consulting
Brian Tate, M.A. 2011, now Environmental Scientist at Potomac-Hudson Environmental
Tommy Clayton, B.S. in Geoscience, 2012, now Earth Science educator in NJ
Dr. Jesse Kolodin, M.S. in Geoscience 2012, now Government Representative 2, New Jersey State Department of Banking and Insurance
Leah Thiel, M.A. in Environmental Studies, 2013, now Assistant Project Manager, Apex Companies, LLC
Dr. Brendan Reilly, M.S. in Geoscience 2013, now Assistant Research Professor and Director, Lamont Doherty Earth Observatory Core Repository
Deepa Shah, M.S. in Geoscience, 2013, now Ph.D. student at Oregon State University
Christopher Connallon, B.S. in Geoscience 2013, now Geologist at the Maryland Geological Survey
Diana Flores, B.S. and MS in Geoscience, 2013 and 2015, now Senior Geospatial Data Steward at Bayer
Joseph Kowalski, M.A. in Environmental Studies, 2014, now Environmental Geologist at Ambient Environmental
Rachel Perez Darley, M.S. in Geoscience, 2014, now Field Arborist at AECOM
Molly Borst, M.S. in Geoscience, 2014, now Senior Manager, Pearl River Site Affairs & External Engagement at Pfizer
Kelly Searfoss, M.S. Geoscience, 2014, now Science Educator in NJ
Elen Teo, M.S. in Sustainability Sciences, 2014
Natalie Romanoff, M.S. Geoscience, 2015, Now Compliance Officer with the Arizona Department of Environmental Quality
Jason Darley, B.A. in Geography, 2015, M.S. in Earth and Environmental Science 2017, now Environmental Specialist II at NJ Department of Environmental Protection
Kathleen Ottens, B.S. in Geoscience, 2015
Michael Maresch, M.S. in Geoscience, 2015
David Sharpe, M.S. in Geoscience, 2015, Environmental Geologist at Ambient Environmental, Inc.
Dr. J. Mitchell Clay, MS in Earth and Environmental Science, 2017, now Laboratory Manager Austin Peay State University, Dept. of Earth and Environmental Sciences
Ashley (Cirone) Hodge, M.S. in Earth and Environmental Science, 2017, now Source Water Protection Coordinator, Maine CDC Drinking Water Program
Dr. Isamar Cortes, B.S. in Sustainability Science, 2017, M.S. in Earth and Environmental Science 2019, PhD 2024, Montclair State University, now postdoc at Cardiff University
Shane Nicols-O'Neill, BS in Earth and Environmental Science, 2018, now MS Student at Montclair State University
Richard James, M.S. in Sustainability Science, 2020, now Marketing Coordinator / Digital Media Specialist at First Environment
Molly Minogue, BS in Earth and Environmental Science, 2020
Olga Libman-Roshal, PhD in Environmental Science and Management, in progress
Kelly McCartney, PhD in Earth and Planetary Science, University of Hawaii (J. Hammer and T. Shea, advisors), 2024
Dr. Christina Verhagen (BS alum), postdoctoral research associate, in progress
专业化
研究方向:全球气候变化、古气候学、海洋地质与地球物理、古地磁、南极与北冰洋环境变化、地球系统科学、行星磁学、地球化学、光学与电子显微镜
简历/简历
链接
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研究项目
IODP考察队382:冰山巷和亚南极海洋冰动力学
综合海洋发现计划(IODP)第382队于2019年3月至5月在斯科舍海和“冰山Alley”进行了沉积物取心作业(Weber, Raymo, Peck, Williams等人,2019),目标是厚轮廓岩矿床占据的小盆地。核心地点在向东流动的南极绕极流(ACC)和威德尔环流的西翼的影响下,威德尔环流将冰山和威德尔海深水向北输送到南大洋。斯科舍海也坐落在南半球西风带的路径上,西风带将尘土从南美洲运送到东南极洲。作为DSDP/ODP/IODP历史上最成功的取芯考察之一,在一个巨大的跨学科合作团队的帮助下,这次考察收集的材料和数据被用于研究复杂的南半球气候系统,包括南极冰盖(AIS)、海平面、南大洋环流和水团分布、西风和二氧化碳水平之间的相互作用。火狐体育的研究人员将重点放在物源示踪剂上,以了解冰川消融期间AIS的行为,以及沉积物的磁性能,从而追踪陆源沉积物的来源和沉积物的运输过程(IRD、洋流、风)。本项目由综合海洋发现计划和美国国家科学基金会通过哥伦比亚大学美国科学支持办公室资助。
合作研究:阐明钛磁铁矿在硅质岩浆泡化中的作用
这个与夏威夷大学和俄勒冈大学的合作项目结合了实验岩石学、火山学和岩石磁学,以了解挥发物从岩浆中溶解的过程。当溶解的气体溶解并形成气泡(成核)时,岩浆浮力增加,岩浆上升速度加快。当岩浆在火山管道中上升时,随着岩浆靠近地球表面,围压降低,这使得更多的溶解气体形成气泡,现有的气泡扩大,进一步加快了岩浆上升的速度。因此,控制挥发性析出和放气的过程,特别是与火山深度有关的初始气相成核的时间,控制着岩浆的爆炸潜力。这些爆炸性喷发的一个未解决的方面是气泡成核是均匀发生(在散装流体中)还是非均匀发生(气泡在固体基质上生长)。均匀气泡成核需要比非均匀气泡大得多的压降。众所周知,磁铁矿晶体通过提供能量有利的基质来提高气泡成核的速度,然而,在天然流纹岩浮石(由富含硅的岩浆凝固产生的岩石类型)中未能检测到足够高丰度的磁铁矿晶体,这支持了气泡成核是均匀发生的推断。尽管这可能会导致一个矛盾的地方,所需的压力降大于物理上可能的岩浆库的深度。这项研究探索了在喷发前岩浆中存在纳米级磁铁矿颗粒的可能性,并且这些晶体在低得多的过饱和值(即,在火山管道系统的更深的地方)触发气泡成核,而不是在没有它们的情况下发生。这项工作的目的是确定流纹岩浮石是否含有纳米级钛磁铁矿晶体,其数值丰度与气泡的丰度相媲美,并量化钛磁铁矿晶体对气泡成核的潜在影响。本项目由NSF拨款1839313资助。
合作研究:追踪环境中的煤灰固体-对水生生态系统长期污染的影响
这个与阿巴拉契亚州立大学和杜克大学的合作项目正在开发磁性方法,作为快速、廉价的煤灰和相关重金属污染物的示踪剂,这些污染物存在于城市河流和湖泊中,原因是煤灰储存池的失效和飞灰的空中运输。“铁球”是煤燃烧的产物,由直径5-50 μm的氧化铁球组成。它们是煤燃烧废物的一小部分,但很容易利用它们的磁性特征检测到。有毒重金属(As、Se、Hg)和放射性元素(Ra)存在于煤中,有机物燃烧后集中在灰分中。溢出的灰烬通常通过疏浚回收。以火山灰为目标的磁性示踪剂可能会提高这些工作的效率。该项目考察了煤灰和自然背景流域沉积物的磁性特征,其长期目标是开发原位磁测量方法,以识别未回收的煤灰矿床。本项目由NSF基金1932087资助。