EP23C:
Deciphering Isotope Signatures of Earth Surface and Critical Zone Processes II Posters

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Chairs:  Fang-zhen Teng, University Of Washington, Seattle, WA, United States and Lin Ma, University Of Washington, Seattle, WA, United States
Primary Conveners:  Fang-zhen Teng, University Of Washington, Seattle, WA, United States
Co-conveners:  Lin Ma, University of Texas, El Paso, El Paso, United States and Jerome Gaillardet, Institute de Physique d Globe Paris, Paris, France
OSPA Liaisons:  Jerome Gaillardet, Institut de Physique du Globe de Paris, Paris, France

Abstracts Submitted to this Session:

3607
 
Germanium as a Critical Zone proxy: δ74Ge and Ge/Si in waters from the Peruvian Andes and Amazon
Jotautas Jokubas Baronas1, Douglas E Hammond1, Mark A Torres1, A. Joshua West1, James McManus2 and Christopher Siebert3, (1)University of Southern California, Los Angeles, CA, United States, (2)University of Akron Main Campus, Akron, OH, United States, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
3608
 
Deducing Weathering Processes Using Silicon Isotopes in the Ganges Alluvial Plain, India
Patrick Frings1, Christina L De La Rocha2, Guillaume Fontorbe1, Govind Chakrapani3, Wim Clymans1 and Daniel J Conley1, (1)Lund University, Lund, Sweden, (2)IUEM Institut Universitaire Européen de la Mer, Plouzané, France, (3)Indian Institute of Technology Roorkee, Department of Earth Sciences, Roorkee, India
3609
 
A 40K-40Ca approach to tracing silicate and carbonate weathering in the Himalayan erosional system
Jesse Davenport, Guillaume Caro and Christian France-Lanord, CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France
3610
 
Seasonal and Spatial Variations of Stable Strontium Isotope in the Suspended Sediments of the Changjiang ( Yangtze) River
Xiaodan WANG1, Shouye Yang1 and Gangjian Wei2, (1)Tongji University, Shanghai, China, (2)Guangzhou Institute of Geochemistry, Guangzhou, China
3611
 
Stable Strontium Isotopes (δ88/86Sr) As a Tracer of Sr Sources and Biogeochemical Cycling in Two Catchments Draining Fiordland, New Zealand
M. Grace Andrews, Andrew D Jacobson and Gregory O Lehn, Northwestern University, Evanston, IL, United States
3612
 
Permian Minimum and the Following Major Rise in Seawater 87Sr/86Sr Linked to the Glaciation/Deglaciation and Resultant Change in Weathering Rate
Tomomi Kani, Kumamoto University, Kumamoto, Japan and Yukio Isozaki, University of Tokyo, Bunkyo-ku, Japan
3613
 
U and Sr Isotope Tracers of Agricultural Salinity Sources to the Lower Rio Grande River
Syprose K Nyachoti1, Lin Ma1, Anna Szynkiewicz2, Lixin Jin1 and Jennifer C McIntosh3, (1)University of Texas at El Paso, El Paso, TX, United States, (2)University of Tennessee, Knoxville, TN, United States, (3)University of Arizona, Tucson, AZ, United States
3614
 
Using Uranium-Series Isotopes to Quantify Volcanic Soil Formation Rates Under a Tropical Climate: Basse-Terre, Guadeloupe
Yvette Pereyra1, Lin Ma1, Peter B Sak2, Jerome Gaillardet3, Heather L Buss4 and Susan L Brantley5, (1)University of Texas at El Paso, El Paso, TX, United States, (2)Dickinson College, Carlisle, PA, United States, (3)Institute de Physique d Globe Paris, Paris, France, (4)University of Bristol, Bristol, United Kingdom, (5)Pennsylvania State University Main Campus, University Park, PA, United States
3615
 
Quantifying Weathering Advance Rates in Basaltic Andesite Rinds with Uranium-Series Isotopes: Basse-Terre Island, Guadeloupe
Jacqueline Engel1, Lin Ma1, Peter B Sak2, Jerome Gaillardet3 and Susan L Brantley4, (1)University of Texas at El Paso, El Paso, TX, United States, (2)Dickinson College, Carlisle, PA, United States, (3)Institute de Physique d Globe Paris, Paris, France, (4)Pennsylvania State University Main Campus, University Park, PA, United States
3616
 
Uranium isotope dynamics across salinity and redox gradients in a coastal aquifer: implications for the oceanic uranium budget
Matthew A Charette, Benjamin Linhoff and William G Thompson, WHOI, Woods Hole, MA, United States
3617
 
Elemental and Isotopic Perspectives on the Impact of Mycorrhizal Fungi on Mineral Weathering Across Imposed Geologic Gradients
Kiley Remiszewski1, Elizabeth A Pettit1, Maria F Prado2, Matthew A Vadeboncoeur3, Scott W Bailey4 and Julia G Bryce5, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)Univ of New Hampshire, Durham, NH, United States, (3)University of New Hampshire, Durham, NH, United States, (4)USDA Forest Service, North Woodstock, NH, United States, (5)Univ New Hampshire, Durham, NH, United States
3618
 
Emerging Patterns In The Isotopic Composition Of Soil CO2 Concentrations, Soil CO2 Production, And Soil-Atmosphere CO2 Exchange At The Watershed Scale: On The Intersection Between Hydrology And Biology In The Critical Zone
Diego A Riveros-Iregui, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States, Liyin Liang, University of California Riverside, Riverside, CA, United States and Theresa Marie Lorenzo, University of Nebraska-Lincoln, Lincoln, NE, United States
3619
 
A Br Isotopic Study of Australian Arid Playa Lakes and halophyte vegetation as a monitor of Br transport
Bruce F Schaefer, Macquarie University, Sydney, NSW, Australia
3620
 
Radiogenic Heat Production in the Gölcük Caldera and Direkli, Isparta Angle (Southwest Anatolia)
Nurten Ayten Uyanik and Iskender Akkurt, Organization Not Listed, Washington, DC, United States
 
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