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Details for: Jess Adkins


Jess Adkins is the Smits Family Professor of Geochemistry and Global Environmental Science in the Department of Geological and Planetary Sciences at Caltech. He is a member of the Linde Center for Global Environmental Sciences and on the faculty of the Department of Engineering and Applied Science. Jess started at Caltech in 2000 after receiving a BS in Chemistry from Haverford College and a PhD in Chemical Oceanography from the MIT/WHOI Joint Program in 1998. At MIT Jess worked with Ed Boyle on developing deep-sea corals as a new archive of paleoclimate. They coupled U-series and radiocarbon dating as way to measure the past ventilation rate of the deep ocean and used stable isotope and trace metal records to document rapid climate change in the deep-sea. This work continues in the Adkins lab to this day. Between graduate school and Caltech, Jess was a Lamont Post-doc Fellow at LDEO and a NOAA Global Change Post-doc Fellow at the Universities of Minnesota and California, Irvine with Larry Edwards and Ellen Druffel. Early in his career Jess collaborated with Dan Schrag to measure the T/S plot for the deep ocean at the Last Glacial Maximum. This work has continued in the Adkins lab as an investigation of the density structure of the past water column and how novel observations fit with theories of the overturning circulation to explain the ocean’s role in glacial-interglacial climate change. Jess has worked on stalagmite records of tropical climate change, biomineralization mechanisms in corals, and iron isotopes in the modern ocean. Recently, together with Alex Sessions, Jess has lowered the detection limit for sulfur isotopes and developed a method for compound specific δ34S in organic matter using a MC-ICP-MS coupled to a GC. This has led to work on the sulfur cycle more generally, investigating the modern budget of river sulfur isotopes, ice core records of volcanic eruptions, and measuring the history of marine sulfate isotopic change from the Archean to the Cenozoic. In an ongoing collaboration with Will Berelson at USC, the Adkins group has measured the dissolution rate of calcite in seawater with a new techniques that is very precise even close to equilibrium. They have found that the enzyme carbonic anhydrase catalyzes the reaction between CO2 and CaCO3, thus providing new constraints on the dual effects of solution chemistry and surface energy on carbonate dissolution in the lab and in the ocean. Jess has used multiple deep submergence tools to explore the bottom of the ocean and has spent over 150 days at sea on expeditions to sample fossil deep-sea corals, take long sediment cores, and measure the in situ rate of carbonate dissolution in the water column. Jess was awarded the Houtermans medal from the European Association of Geochemistry in 2003. He received the Ruth and Paul Fye MIT/WHOI and the Geochemical Society Best Paper Awards in 2005 and 2009 respectively. He was the Chow Lecturer at The Scripps Institute of Oceanography in 2017. Adkins was a Visiting Scientist at the LSCE in Gif-sur-Yvette, France in 2007.
Note: abstracts are only listed if one of the following email addresses was provided when the abstract was submitted: jess@gps.caltech.edu. Otherwise, try an advanced search.







(2017) Finding Toba: Traces in a Borneo Stalagmite
Carolin S, Orland I, Cobb K, Adkins J, Valley J, Webb S, Edwards N, Pyle D, Mosselmans F & Geraki T

(2017) Sulfur Isotopes in Rivers: Insights into Global Pyrite Oxidation and the Modern Sulfur Cycle
Burke A, Adkins J, Gaillardet J, Holmes RM, McClelland J, Paris G, Peucker-Ehrenbrink B, Spencer R & Voss B

(2017) CO2 Storage and Release in the Deep Southern Ocean on Millennial to Centennial Timescales
Rae J, Burke A, Robinson L, Adkins J, Chen T, Cole C, Littley E, Nita D, Spooner P & Taylor B

(2017) Carbonate Associated Sulfate's Journey along the "Elderfield Curve"
Paris G, Adkins J, Barkan Y, Halevi I, Present T, Rennie V, Sessions A & Turchyn S

(2017) Organic Sulfur Fluxes and Isotope Mass Balance in Rivers
Kemeny P, Torres M, Webb S, Lamb M, Adkins J & Fischer W




(2017) Global Carbon Cycle Feedbacks of Glacial Weathering
Moosdorf N, Torres MA, Hartmann J, Adkins JF & West AJ

(2017) Deep Sea Corals as Archives of Seawater Zn Isotopes
Little S, van De Flierdt T, Rehkämper M, Wilson D, Adkins J & Robinson L

(2016) Zinc Isotopes in Deep Sea Corals
Little S, van de Flierdt T, Wilson D, Spooner P, Adkins J & Robinson L

(2016) Dissolved Lithium Flux and Isotopic Composition from Weathering of an Active Volcanic System, AsO Caldera, Japan
Washington KE, West AJ, Adkins J, Paris G, Hosono T, Ide K, Boettcher M, Amann T & Hartmann J





(2015) Lithium Isotopes in Geothermal Systems and Rivers
Washington KE, West AJ, You C-F, Adkins JF & Paris G

(2015) Isotopic Constraints on Riverine Sulfur Sources: A Global Perspective
Burke A, Adkins J, Gaillardet J, Paris G, Peucker-Ehrenbrink B, Voss B, Spencer R, Holmes RM & McClelland J
















(2013) Constraining the Modern Riverine Sulfur Isotopic Budget
Burke A, Adkins J, Gaillardet J, Holmes M, McClelland J, Peucker-Ehrenbrink B, Robinson L & Voss B



(2013) Sulfate was a Trace Constituent in the Oceans of the Early Earth
Canfield D, Crowe S, Jones C, Paris G, Adkins J, Session A, Farquhar J, Zerkle A, Kim S-T & Nomosatryo S


(2012) Fossil Corals as an Archive of Phanerozoic Seawater Chemistry
O'Leary A, Bender M, Stolarski J, Adkins J, Dennis K & Schrag D


(2012) Changes in the Deglacial NW Atlantic from Deep Sea Coral epsilonNd
Crocket KC, van de Flierdt T, Robinson LF & Adkins JF

(2012) Profile of Sulfate Isotopic Composition of Lake Matano, Indonesia
Paris G, Adkins J, Sessions A, Crowe S, Jones C, Fowle D & Canfield D























(2005) Carbonate Paleothermometry Based on Abundances of <+>13<$>C-<+>18<$>O Bonds
Eiler J, Ghosh P, Affeck H, Adkins J, Schauble E, Schrag D & Hoffman P






Theme chair

Goldschmidt2011 - Theme 15: Oceans atmosphere : Past and Present
Goldschmidt2009 - Theme 11: Climate Change: Processes and Records

Medal

Goldschmidt2018: 2018 Geochemical Fellows
Goldschmidt2018: Nicholas Shackleton Science Innovation Award

Session convener

Goldschmidt2011 - Session 12e: Biomineralization of Marine Organisms: Toward a Better Understanding of Proxy Records

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