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Publications

2018
Stephanie Kusch, Sunita R. Shah Walter, Jordon D. Hemingway, and Ann Pearson. 2018. “Improved chromatography reveals multiple new bacteriohopanepolyol isomers in marine sediments.” Organic Geochemistry, 124, Pp. 12-21. Publisher's Version
Sunita R. Shah Walter, Ulrike Jaekel, Helena Osterholz, Andrew T. Fisher, Julie A. Huber, Ann Pearson, Thorsten Dittmar, and Peter R. Girguis. 2018. “Microbial decomposition of marine dissolved organic matter in cool oceanic crust.” Nature Geoscience, 11, Pp. 334–339. Publisher's Version
Jordon D. Hemingway, Stephanie Kusch, Sunita R. Shah Walter, Catherine A Polik, Felix J. Elling, and Ann Pearson. 2018. “A novel method to measure the 13C composition of intact bacteriohopanepolyols.” Organic Geochemistry, 113, Pp. 144-147. Publisher's Version
2016
Kalina Gospodinova, Ann P. McNichol, Alan R. Gagnon, and Sunita R. Shah Walter. 2016. “Rapid extraction of dissolved inorganic carbon from seawater and groundwater samples for radiocarbon dating.” Limnology and Oceanography Methods, 14, 1, Pp. 24-30. Publisher's Version
Ann Pearson, Sarah J. Hurley, Sunita R. Shah Walter, Stephanie Kusch, Samantha Lichtin, and Yi Ge Zhang. 2016. “Stable carbon isotope ratios of intact GDGTs indicate heterogeneous sources to marine sediments.” Geochimica et Cosmochimica Acta, 181, Pp. 18-35. Publisher's Version
2015
Sunita R. Shah Walter, Alan R. Gagnon, Mark L. Roberts, and Ann P. McNichol. 2015. “Ultra-small graphitization reactors for ultra-microscale 14C analysis at the National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) facility.” Radiocarbon, 57, 1, Pp. 109-122. Publisher's Version
2013
William Ussler, Christina Preston, Patricia Tavormina, Doug Pargett, Scott Jensen, Roman Marin III, Sunita R. Shah, Peter R. Girguis, James M. Birch, Victoria Orphan, and Christopher Scholin. 2013. “Autonomous Application of Quantitative PCR in the Deep Sea: In Situ Surveys of Aerobic Methanotrophs Using the Deep-Sea Environmental Sample Processor.” Environmental Science and Technology, 47, 16, Pp. 9339-9346. Publisher's Version
Sunita R. Shah, Samantha B. Joye, Jay A. Brandes, and Ann P. McNichol. 2013. “Carbon isotopic evidence for microbial control of carbon supply to Orca Basin at the seawater-brine interface.” Biogeosciences, 10, Pp. 3175-3183. Publisher's Version
Hilary G. Close, Sunita R. Shah, Anitra E. Ingalls, Aaron F. Diefendorf, Eoin Brodie, Roberta L. Hansman, Katherine H. Freeman, Lihini I. Aluwihare, and Ann Pearson. 2013. “Export of submicron particulate organic matter to mesopelagic depth in an oligotrophic gyre.” Proceedings of the National Academy of Sciences, 110, 31, Pp. 12565-12570. Publisher's Version
Stefan Schouten, Ellen C. Hopmans, Antoni Rosell-Mele, Ann Pearson, Pierre Adam, Thorsten Bauersachs, Edouard Bard, Stefano M. Bernasconi, Thomas S. Bianchi, Jochen J. Brocks, Laura Truxal Carlson, Isla S. Castaneda, Sylvie Derenne, Ayca Dogrul Selver, Koushik Dutta, Timothy I. Eglinton, Celine Fosse, Valier Galy, Kilti Grice, Kai-uwe Hinrichs, Yongsong Huang, Arnaud Huguet, Carme Huguet, Sarah Hurley, Anitra Ingalls, Guodong Jia, Brendan Keely, Chris Knappy, Miyuki Kondo, Srinath Krishnan, Sara Lincoln, Julius Lipp, Kai Mangelsdorf, Alfredo Martinez-Garcia, Guillemette Menot, Anchelique Mets, Gesine Mollenhauer, Naohiko Ohkouchi, Jort Ossebar, Mark Pagani, Richard D. Pancost, Emma J. Pearson, Francien Peterse, Gert-Jan Reichart, Philippe Schaeffer, Gaby Schmitt, Lorenz Schwark, Sunita R. Shah, Richard W. Smith, Rienk H. Smittenberg, Roger E. Summons, Yoshinori Takano, Helen M. Talbot, Kyle W. R. Taylor, Rafael Tarozo, Masao Uchida, Bart E. van Dongen, Benjamin A. S. van Mooy, Jinxiang Wang, Courtney Warren, Johan W. H. Weijers, Josef P. Werne, Martijn Woltering, Shucheng Xie, Masanobu Yamamoto, Huan Yang, Chuanlun L. Zhang, Yi Ge Zhang, Meixun Zhao, and Jaap S. Sinninghe Damste. 2013. “An interlaboratory study of TEX86 and BIT analysis of sediments, extracts, and standard mixtures.” Geochemistry, Geophysics, Geosystems, 14, 12, Pp. 5263-5285. Publisher's Version
Sunita R. Shah, David R. Griffith, Valier Galy, Ann P. McNichol, and Timothy I. Eglinton. 2013. “Prominent bacterial heterotrophy and sources of 13C-depleted fatty acids to the interior Canada Basin.” Biogeosciences, 10, Pp. 7065-7080. Publisher's Version
2010
Scott D. Wankel, Samantha B. Joye, Vladimir A. Samarkin, Sunita R. Shah, Gernot Friederich, John Melas-Kyriazi, and Peter R. Girguis. 2010. “New constraints on methane fluxes and rates of anaerobic methane oxidation in a Gulf of Mexico brine pool via in situ mass spectrometry.” Deep Sea Research Part II, 57, 21-22, Pp. 2022-2029. Publisher's Version
2009
Zhonghui Liu, Mark Pagani, David Zinniker, Robert DeConto, Matthew Huber, Henk Brinkhuis, Sunita R. Shah, R. Mark Leckie, and Ann Pearson. 2009. “Global cooling during the Eocene-Oligocene climate transition.” Science, 323, 5918, Pp. 1187-1190. Publisher's Version
Stefan Schouten, Ellen C. Hopmans, Jaap van der Meer, Anchelique Mets, Edouard Bard, Thomas S. Bianchi, Aaron Diefendorf, Marina Escala, Katharine H. Freeman, Yoshihiro Furukawa, Carme Huguet, Anitra Ingalls, Guillemette Menot-Combes, Alexandra J Nederbragt, Masahiro Oba, Ann Pearson, Emma J. Pearson, Antoni Rosell-Mele, Philippe Schaeffer, Sunita R. Shah, Timothy M. Shanahan, Richard W. Smith, Rienk Smittenberg, Helen M. Talbot, Masao Uchida, Benjamin A. S. van Mooy, Masanobu Yamamoto, Zhaohui Zhang, and Jaap S. Sinninghe Damste. 2009. “An interlaboratory study of TEX86 and BIT analysis using high-performance liquid chromatography-mass spectrometry.” Geochemistry, Geophysics, Geosystems, 10, 3, Pp. Q03012. Publisher's Version
2008
Sunita R. Shah, Gesine Mollenhauer, Naohiko Ohkouchi, Timothy I. Eglinton, and Ann Pearson. 2008. “Origins of archaeal tetraether lipids in sediments: Insights from radiocarbon analysis.” Geochimica et Cosmochimica Acta, 72, 18, Pp. 4577-4594. Publisher's Version
2007
Sunita R. Shah and Ann Pearson. 2007. “Ultra-microscale (5-25 μg C) analysis of individual lipids by 14C AMS: Assessment and correction for sample processing blanks.” Radiocarbon, 49, 1, Pp. 69-82. Publisher's Version
2006
Anitra E. Ingalls*, Sunita R. Shah*, Roberta L. Hansman, Lahini I. Aluwihare, Guaciara M. dos Santos, Ellen R. M. Druffel, and Ann Pearson. 2006. “Quantifying archaeal community autotrophy in the mesopelagic ocean usinq natural radiocarbon.” Proceedings of the National Academy of Sciences, 103, 17, Pp. 6442-6447 *co-first author. Publisher's Version