Use of Tritium Accelerator Mass Spectrometry for Tree Ring Analysis

Por LOVE, ADAM H., HUNT, JAMES R., ROBERTS, MARK L., SOUTHON, JOHN R., CHIARAPPA - ZUCCA, MARINA L., DINGLEY, KAREN H.
Publicado em 2002

Limited contribution of ancient methane to surface waters of the U.S. Beaufort Sea shelf

Por Sparrow, Katy J., Kessler, John D., Southon, John R., Garcia-Tigreros, Fenix, Schreiner, Kathryn M., Ruppel, Carolyn D., Miller, John B., Lehman, Scott J., Xu, Xiaomei
Publicado no Sci Adv (2018)

Widespread collapse of the Ross Ice Shelf during the late Holocene

Por Yokoyama, Yusuke, Anderson, John B., Yamane, Masako, Simkins, Lauren M., Miyairi, Yosuke, Yamazaki, Takahiro, Koizumi, Mamito, Suga, Hisami, Kusahara, Kazuya, Prothro, Lindsay, Hasumi, Hiroyasu, Southon, John R., Ohkouchi, Naohiko
Publicado no Proc Natl Acad Sci U S A (2016)

Millennial-scale isotope records from a wide-ranging predator show evidence of recent human impact to oceanic food webs

Por Wiley, Anne E., Ostrom, Peggy H., Welch, Andreanna J., Fleischer, Robert C., Gandhi, Hasand, Southon, John R., Stafford, Thomas W., Penniman, Jay F., Hu, Darcy, Duvall, Fern P., James, Helen F.
Publicado em 2013

American mastodon extirpation in the Arctic and Subarctic predates human colonization and terminal Pleistocene climate change

Por Zazula, Grant D., MacPhee, Ross D. E., Metcalfe, Jessica Z., Reyes, Alberto V., Brock, Fiona, Druckenmiller, Patrick S., Groves, Pamela, Harington, C. Richard, Hodgins, Gregory W. L., Kunz, Michael L., Longstaffe, Fred J., Mann, Daniel H., McDonald, H. Gregory, Nalawade-Chavan, Shweta, Southon, John R.
Publicado no Proc Natl Acad Sci U S A (2014)

Bison phylogeography constrains dispersal and viability of the Ice Free Corridor in western Canada

Por Heintzman, Peter D., Froese, Duane, Ives, John W., Soares, André E. R., Zazula, Grant D., Letts, Brandon, Andrews, Thomas D., Driver, Jonathan C., Hall, Elizabeth, Hare, P. Gregory, Jass, Christopher N., MacKay, Glen, Southon, John R., Stiller, Mathias, Woywitka, Robin, Suchard, Marc A., Shapiro, Beth
Publicado no Proc Natl Acad Sci U S A (2016)