PP21E:
Nutrient Cycling in Past Oceans I

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Session ID#: 17455

Session Description:
Biological cycling of essential nutrients (e.g. N, P and Fe) in the ocean has been integral to global geochemical cycles since the origin of life on Earth. Through coupling with the carbon and oxygen cycles, nutrient cycling generates important feedbacks between the climate system and evolution of life. Recent analytical advances have broadened the scope of questions and enabled studies of the past nutrient cycling with unprecedented precision, detection limits, and temporal resolution. This session welcomes submissions describing new data, modeling results and hypotheses as well as analytical methods focused on nutrient cycling in past oceans. We hope to bring together studies exploring the scope of Earth history, with the goal to encourage discussions between the investigators working on the broad range of timescales, from the Archaean to the Quaternary and perspectives on the future.
Primary Convener:  Dr. Xingchen Tony Wang, PhD, Max Planck Institute for Chemistry, Mainz, Germany; Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, MA, United States
Conveners:  Maria Prokopenko, Pomona College, Claremont, CA, United States, Haojia Abby Ren, Department of Geosciences, National Taiwan University, Taipei, Taiwan and Christopher K Junium, Syracuse University, Earth Sciences, Syracuse, NY, United States
Chairs:  Dr. Xingchen Tony Wang, PhD, Max Planck Institute for Chemistry, Mainz, Germany; Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, MA, United States, Christopher K Junium, Syracuse University, Earth Sciences, Syracuse, NY, United States and Haojia Abby Ren, Department of Geosciences, National Taiwan University, Taipei, Taiwan
OSPA Liaison:  Maria Prokopenko, Pomona College, Claremont, CA, United States
Index Terms:

4845 Nutrients and nutrient cycling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4912 Biogeochemical cycles, processes, and modeling [PALEOCEANOGRAPHY]

Abstracts Submitted to this Session:

Using coral Ba/Ca records to investigate seasonal to decadal scale biogeochemical cycling in the surface and intermediate ocean. (Invited) (163912)
Michele LaVigne1, Kim M Cobb2, Dr. Kristine L DeLong, Ph.D.3, Megan Maria Freiberger1,4, Andrea G Grottoli5, Tessa M Hill6,7, Hannah Rose Miller1, Intan Suci Nurhati8, Julie N Richey9, Gabriela Serrato Marks1 and Robert M Sherrell10, (1)Bowdoin College, Department of Earth and Oceanographic Science, Brunswick, ME, United States, (2)Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States, (3)Louisiana State University, Geography & Anthropology, Baton Rouge, LA, United States, (4)Bowdoin College, Brunswick, ME, United States, (5)Ohio State University, School of Earth Sciences, Columbus, United States, (6)University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States, (7)Bodega Marine Laboratory, UC Davis, Bodega Bay, CA, United States, (8)Indonesian Institute of Sciences, Research Center for Oceanography, Bandung, Indonesia, (9)USGS Coastal and Marine Science Center St. Petersburg, St Petersburg, FL, United States, (10)Rutgers University, Marine and Coastal Sciences and Earth and Planetary Sciences, New Brunswick, NJ, United States
Nitrogen isotopic composition of enameloid-bound organic matter from modern and fossil shark teeth (182843)
Emma Kast, Princeton University, Geosciences, Princeton, NJ, United States, Dr. Xingchen Tony Wang, PhD, Princeton University, Princeton, NJ, United States, Sora Kim, University of Kentucky, Lexington, KY, United States, Laszlo Kocsis, University of Brunei Darussalam, Tungku Link, Brunei and Daniel Mikhail Sigman, Princeton University, Geosciences, Princeton, United States
Changes in Ice Age Nitrate Consumption, Productivity, and Biological Pump Efficiency can be Explained by the Internal Cycling of Iron (117959)
Patrick A Rafter1, Daniel Mikhail Sigman2 and Katherine R Mackey1, (1)University of California Irvine, Earth System Science, Irvine, CA, United States, (2)Princeton University, Geosciences, Princeton, United States
Abrupt North Pacific Anoxic Events Caused by Enhanced Primary Productivity and Iron Fertilization (194556)
Karla P Knudson, Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, Ana Christina Ravelo, University of California-Santa Cruz, Santa Cruz, CA, United States, Ivano W Aiello, Moss Landing Marine Laboratories, Moss Landing, United States, Michelle Kim Drake, University of California Santa Cruz, Santa Cruz, CA, United States and Tatsuhiko Sakamoto, Mie University, Graduate School and Faculty of Bioresources, Japan
The Nitrogen Cycle Before the Rise of Oxygen (Invited) (127072)
Lewis M Ward, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, James Hemp, Caltech, Pasadena, CA, United States and Woodward W Fischer, Caltech, Division of Geological and Planetary Sciences, Pasadena, United States
The nitrogen cycle under changing redox conditions during late Neoproterozoic: the Ediacaran nitrate revolution? (194171)
Maria Prokopenko1, Frank A Corsetti2, Robert Riepma Gaines3, Sean J Loyd4, Austin Cordova5 and William Berelson2, (1)Pomona College, Claremont, CA, United States, (2)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, (3)Pomona College, Claremont, United States, (4)California State University Fullerton, Department of Geological Sciences, Fullerton, CA, United States, (5)Pomona College, Geology, Claremont, United States
The Nitrogen Isotope Composition of Geoporphyrins: New Results from the Paleozoic and Mesoproterozoic (185432)
Gregory A Henkes, Stony Brook University, Department of Geosciences, Stony Brook, NY, United States, Alan D Rooney, Harvard University, Cambridge, MA, United States, Ellery D Ingall, Georgia Institute of Technology Main Campus, Atlanta, United States, Chawalit Charoenpong, Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Science, Cambridge, MA, United States, Scott D Wankel, Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States and Ann Pearson, Harvard University, Department of Earth and Planetary Sciences, Cambridge, United States

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