JAYKO, A.S., Earth Surface Processes Team, U.S. Geological Survey, 3000 East Line St, Bishop, CA 93514, HILL, David P., U.S Geological Survey, 345 Middlefield Rd, Menlo Park, 94025 and BURSIK, Marcus I., Geology, University at Buffalo, 411 Cooke Hall, Buffalo, NY 14260, ajayko@usgs.gov, ajayko@usgs.gov

PUTKONEN, Jaakko¹, MADOFF, Risa², GIUSTI, Collin², GRADY, Catherine³ and MILLER, Megan², (1)Harold Hamm School of Geology and Geological Engineering, University of North Dakota, 81 Cornell St, Grand Forks, ND 58202, (2)Geology and Geological Engineering, University of North Dakota, MS 8358, Grand Forks, ND 58202, (3)Department of Earth and Environmental Sciences, Vanderbilt University, 5726 Stevenson Center, Nashville, TN 37240, jaakko.putkonen@engr.und.edu, jaakko.putkonen@engr.und.edu

BURSIK, Marcus I., Geology, University at Buffalo, 411 Cooke Hall, Buffalo, NY 14260 and SIEH, Kerry, Earth Observatory of Singapore, Nanyang Technological University, Singapore, 639646, Singapore, mib@buffalo.edu, mib@buffalo.edu

STINE, Scott, California State University, Hayward, CA 94542, scott.stine@csueastbay.edu, scott.stine@csueastbay.edu

COLMAN, Steven, University of Minnesota Duluth, Large Lakes Observatory and Dept. Geol. Sci, Duluth, MN 55812, HEMMING, Sidney R., Lamont-Doherty Earth Observatory, Columbia University, Route 9W, Palisades, NY 10964, STINE, Scott, California State University, Hayward, CA 94542, HEMMING, Gary, LDEO-Columbia and LIU, Xiuju, Large Lakes Observatory and Dept. of Geological Sciences, Univ. of Minnesota Duluth, Duluth, MN 55812, scolman@d.umn.edu, scolman@d.umn.edu

ZIMMERMAN, Susan Herrgesell¹, HEMMING, Sidney R.², ALI, Guleed A.H.², HEMMING, N. Gary³, WANG, Xianfeng⁴ and STINE, Scott⁵, (1)Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, P.O. Box 808, L-397, Livermore, CA 94550, (2)Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (3)School of Earth and Environmental Sciences, Queens College, City University of New York, Flushing, NY 11367, (4)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (5)California State University, Hayward, CA 94542, zimmerman17@llnl.gov, zimmerman17@llnl.gov

HEMMING, Sidney R., Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, ZIMMERMAN, Susan H., Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550, WANG, Xianfeng, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964 and HEMMING, Gary, School of Earth and Environmental Sciences, Queens College, City University of New York, Flushing, NY 11367, sidney@ldeo.columbia.edu, sidney@ldeo.columbia.edu

WANG, Xianfeng¹, HEMMING, Sidney R.², ZIMMERMAN, Susan H.³, HEMMING, N. Gary⁴ and ALI, Guleed A.H.², (1)Earth Observatory of Singapore, Nanyang Technological University, Singapore, 639798, Singapore, (2)Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (3)Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550, (4)School of Earth and Environmental Sciences, Queens College, City University of New York, Flushing, NY 11367, xianfeng.wang@ntu.edu.sg, xianfeng.wang@ntu.edu.sg

JAYKO, A.S.¹, MCGEEHIN, John P.², PACES, James B.³, FIRBY, James R.⁴ and REHEIS, Marith C.³, (1)Earth Surface Processes Team, U.S. Geological Survey, 3000 East Line St, Bishop, CA 93514, (2)US Geological Survey, 12201 Sunrise Valley Drive, Reston, VA 20192, (3)United States Geological Survey, Denver Federal Center, MS-980, Denver, CO 80225, (4)University of Nevada, Reno, NV 89512, ajayko@usgs.gov, ajayko@usgs.gov

SPOKOWSKI, Emily¹, LIDDICOAT, Joseph C.², COE, Robert S.³, SMITH, Roxanne³, MAILLOUX, Brian⁴, KENNA, Timothy C.⁵ and IORIO, Marina⁶, (1)Environmental Science, Barnard College, Columbia University, 3009 Broadway, New York, NY 10027, (2)Department of Environmental Science, Barnard College, 3009 Broadway, New York, NY 10027, (3)Earth Science Dept, University of California, 1156 High St, Santa Cruz, CA 95064-1077, (4)Environmental Sciences, Barnard College, 3009 Broadway, 404 Altschul, New York, NC 10027, (5)Lamont-Doherty Earth Observatory, P. O. Box 1000, Palisades, NY 10964, (6)Istituto per l' Ambiente Marino Costiero, National Research Council, Calata Porta di Massa, Porto di Napoli, Naples, 80133, Italy, es2681@barnard.edu, es2681@barnard.edu

LIDDICOAT, Joseph C., Department of Environmental Science, Barnard College, 3009 Broadway, New York, NY 10027 and COE, Robert S., Earth Science Dept, University of California, 1156 High St, Santa Cruz, CA 95064-1077, jliddico@barnard.edu, jliddico@barnard.edu

ALI, Guleed AH, Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, New York, NY 10964, HEMMING, Sidney, Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, WANG, Xianfeng, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964 and ZIMMERMAN, Susan H., Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550, ga2285@columbia.edu, ga2285@columbia.edu

SAHAJPAL, Rahul¹, SAHAJPAL, Ritvik², HEMMING, N. Gary¹, HEMMING, Sidney R.³, ROUFF, Ashaki A.¹ and ZIMMERMAN, Susan H.⁴, (1)School of Earth and Environmental Sciences, Queens College, City University of New York, Flushing, NY 11367, (2)Department of Geography, University of Maryland, College Park, MD 20742, (3)Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (4)Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550, rahulsahajpal@yahoo.com, rahulsahajpal@yahoo.com