Janssen, David James

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2022

Janssen, David J; Rickli, Jörg; Wille, Martin; Steiner, Oscar Sepúlveda; Vogel, Hendrik; Dellwig, Olaf; Berg, Jasmine S.; Bouffard, Damien; Lever, Mark A.; Hassler, Christel S.; Jaccard, Samuel L (2022). Chromium cycling in redox‐stratified basins challenges δ 53 Cr paleoredox proxy applications. Geophysical Research Letters, 49(21), e2022GL099154. American Geophysical Union 10.1029/2022GL099154

2021

Janssen, David James; Rickli, Jörg; Abott, April N.; Ellwood, Michael J.; Twining, Benjamin S.; Ohnemus, Daniel C.; Nasemann, Philipp; Gilliard, Delphine; Jaccard, Samuel L. (2021). Release from biogenic particles, benthic fluxes, and deep water circulation control Cr and δ53Cr distributions in the ocean interior. Earth and planetary science letters, 574, p. 117163. Elsevier 10.1016/j.epsl.2021.117163

Nixon, Richard L.; Peña, M. Angelica; Taves, Robyn; Janssen, David J.; Cullen, Jay T.; Ross, Andrew R.S. (2021). Evidence for the production of copper-complexing ligands by marine phytoplankton in the subarctic northeast Pacific. Marine chemistry, 237(104034), p. 104034. Elsevier 10.1016/j.marchem.2021.104034

Pöppelmeier, Frerk; Janssen, David J.; Jaccard, Samuel; Stocker, Thomas F. (2021). Modeling the marine chromium cycle: new constraints on global-scale processes. Biogeosciences, 18(19), pp. 5447-5463. Copernicus Publications 10.5194/bg-18-5447-2021

2020

Nazarova, Tatiana; Alessi, Daniel S; Janssen, David J.; Bernier-Latmani, Rizlan; Wanner, Christoph (2020). In Situ Biostimulation of Cr(VI) Reduction in a Fast-Flowing Oxic Aquifer. ACS earth and space chemistry, 4(11), pp. 2018-2030. ACS Publications 10.1021/acsearthspacechem.0c00200

Nasemann, Philipp; Janssen, David J.; Rickli, Jörg; Grasse, Patricia; Frank, Martin; Jaccard, Samuel L. (2020). Chromium reduction and associated stable isotope fractionation restricted to anoxic shelf waters in the Peruvian Oxygen Minimum Zone. Geochimica et cosmochimica acta, 285, pp. 207-224. Elsevier Science 10.1016/j.gca.2020.06.027

Whitby, Hannah; Planquette, Hélène; Cassar, Nicolas; Bucciarelli, Eva; Osburn, Christopher L; Janssen, David J.; Cullen, Jay T; Gonzalez, Aridane G; Voelker, Christoph; Sarthou, Géraldine (2020). A call for refining the role of humic-like substances in the oceanic iron cycle. Scientific Reports, 10(1) Nature Publishing Group 10.1038/s41598-020-62266-7

Janssen, David J.; Sieber, Matthias; Ellwood, Michael J.; Conway, Tim M.; Barrett, Pamela M.; Chen, Xiaoyu; de Souza, Gregory F.; Hassler, Christel S.; Jaccard, Samuel L. (2020). Trace metal and nutrient dynamics across broad biogeochemical gradients in the Indian and Pacific sectors of the Southern Ocean. Marine chemistry, 221, p. 103773. Elsevier 10.1016/j.marchem.2020.103773

Janssen, David J.; Rickli, Jörg; Quay, Paul; White, Angelicque; Nasemann, Philipp; Jaccard, Samuel L. (2020). Biological Control of Chromium Redox and Stable Isotope Composition in the Surface Ocean. Global biogeochemical cycles, 34(1) American Geophysical Union 10.1029/2019GB006397

2019

Rickli, Jörg; Janssen, David J.; Hassler, Christel; Ellwood, Michael; Jaccard, Samuel L. (2019). Chromium biogeochemistry and stable isotope distribution in the Southern Ocean. Geochimica et cosmochimica acta, 262, pp. 188-206. Elsevier Science 10.1016/j.gca.2019.07.033

Janssen, David J.; Abouchami, Wafa; Galer, Stephen J.G.; Purdon, Kathryn B.; Cullen, Jay T. (2019). Particulate cadmium stable isotopes in the subarctic northeast Pacific reveal dynamic Cd cycling and a new isotopically light Cd sink. Earth and planetary science letters, 515, pp. 67-78. Elsevier 10.1016/j.epsl.2019.03.006

2018

Jackson, S. L.; Spence, J.; Janssen, David James; Ross, A. R. S.; Cullen, J. T. (2018). Determination of Mn, Fe, Ni, Cu, Zn, Cd and Pb in seawater using offline extraction and triple quadrupole ICP-MS/MS. Journal of analytical atomic spectrometry, 33(2), pp. 304-313. Royal Society of Chemistry 10.1039/C7JA00237H

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