OceanRep
Items where Author is "Siebert, Christopher"
Number of items: 42.
Zhang, Z., Zhou, L., Chen, X. G., Achterberg, E. P. , Yu, Y., Hathorne, E. , Steiner, Z. , Siebert, C. and Frank, M.
(2024)
Introduction of isotopically light barium from the Rainbow hydrothermal system into the deep Atlantic Ocean.
Earth and Planetary Science Letters, 625
.
Art.Nr. 118476.
DOI 10.1016/j.epsl.2023.118476.
Massmann, G., Abarike, G., Amoako, K., Auer, F., Badewien, T. H., Berkenbrink, C., Böttcher, M. E., Brick, S., Cordova, I. V. M., Cueto, J., Dittmar, T., Engelen, B., Freund, H., Greskowiak, J., Günther, T., Herbst, G., Holtappels, M., Marchant, H. K., Meyer, R., Müller-Petke, M., Niggemann, J., Pahnke, K., Pommerin, D., Post, V., Reckhardt, A., Roberts, M., Schwalfenberg, K., Seibert, S. L., Siebert, C., Skibbe, N., Waska, H., Winter, C. and Zielinski, O.
(2023)
The DynaDeep observatory – a unique approach to study high-energy subterranean estuaries.
Frontiers in Marine Science, 10
.
Art.Nr.1189281.
DOI 10.3389/fmars.2023.1189281.
Cao, Z., Rao, X., Li, Y., Hong, Q., Wei, L., Yu, Y., Ehlert, C., Liu, B., Siebert, C., Hathorne, E. C. , Zhang, Z., Scholz, F. , Kasten, S. and Frank, M.
(2023)
Stable Barium Isotope Fractionation in Pore Waters of Estuarine Sediments.
Geochemistry, Geophysics, Geosystems, 24
(6).
e2023GC010907.
DOI 10.1029/2023GC010907.
Münker, C., Wombacher, F. and Siebert, C.
(2023)
Cambrian ocean floor crust preserved in the Takaka Terrane, New Zealand.
New Zealand Journal of Geology and Geophysics, 66
(3).
pp. 405-427.
DOI 10.1080/00288306.2023.2197239.
Zhang, Z., Yu, Y., Hathorne, E. C. , Vieira, L. H. , Grasse, P. , Siebert, C., Rahlf, P. and Frank, M.
(2023)
Decoupling of Barium and Silicon at the Congo River‐Dominated Southeast Atlantic Margin: Insights From Combined Barium and Silicon Isotopes.
Global Biogeochemical Cycles, 37
(5).
e2022GB007610.
DOI 10.1029/2022GB007610.
Scholz, F. , Cheng, J., Zhang, Z., Vosteen, P., Siebert, C. and Frank, M.
(2023)
Benthic-pelagic coupling and isotopic fractionation of barium in Kiel Bight, SW Baltic Sea.
Frontiers in Marine Science, 10
.
Art.Nr. 1101095.
DOI 10.3389/fmars.2023.1101095.
Yu, Y., Xie, R. C. , Gutjahr, M. , Laukert, G. , Cao, Z., Hathorne, E. , Siebert, C., Patton, G. and Frank, M.
(2022)
High latitude controls on dissolved barium isotope distributions in the global ocean.
Geochemical Perspectives Letters, 24
.
pp. 22-26.
DOI 10.7185/geochemlet.2242.
Yu, Y., Hathorne, E. C. , Siebert, C., Felis, T., Rajendran, C. P. and Frank, M.
(2022)
Monthly resolved coral barium isotopes record increased riverine inputs during the South Asian summer monsoon.
Geochimica et Cosmochimica Acta, 329
.
pp. 152-167.
DOI 10.1016/j.gca.2022.05.001.
Eroglu, S., Scholz, F., Salvatteci, R., Siebert, C., Schneider, R. and Frank, M.
(2021)
The impact of postdepositional alteration on iron- and molybdenum-based redox proxies.
Geology, 49
(12).
pp. 1411-1415.
DOI 10.1130/G49291.1.
Siebert, C., Scholz, F. and Kuhnt, W.
(2021)
A new view on the evolution of seawater molybdenum inventories before and during the Cretaceous Oceanic Anoxic Event 2.
Chemical Geology, 582
.
Art.Nr. 120399.
DOI 10.1016/j.chemgeo.2021.120399.
Cao, Z., Rao, X., Yu, Y., Siebert, C., Hathorne, E. C. , Liu, B., Wang, G., Lian, E., Wang, Z., Zhang, R., Gao, L., Wei, G., Yang, S., Dai, M. and Frank, M.
(2021)
Stable Barium Isotope Dynamics During Estuarine Mixing.
Geophysical Research Letters, 48
(19).
e2021GL095680.
DOI 10.1029/2021GL095680.
Cao, Z., Rao, X., Li, Y., Yu, Y., Hathorne, E. , Siebert, C., Dai, M. and Frank, M.
(2020)
Constraining barium isotope fractionation in the upper water column of the South China Sea .
Geochimica et Cosmochimica Acta, 288
.
pp. 120-137.
DOI 10.1016/j.gca.2020.08.008.
Yu, Y., Siebert, C., Fietzke, J. , Goepfert, T., Hathorne, E. , Cao, Z. and Frank, M.
(2020)
The impact of MC-ICP-MS plasma conditions on the accuracy and precision of stable isotope measurements evaluated for barium isotopes.
Chemical Geology, 549
.
Art.Nr. 119697.
DOI 10.1016/j.chemgeo.2020.119697.
Eroglu, S., Scholz, F., Frank, M. and Siebert, C.
(2020)
Influence of particulate versus diffusive molybdenum supply mechanisms on the molybdenum isotope composition of continental margin sediments.
Geochimica et Cosmochimica Acta, 273
.
pp. 51-69.
DOI 10.1016/j.gca.2020.01.009.
Kessarkar, P. M., Naqvi, S. W. A., Thamban, M., Fernandes, L. L., Siebert, C., Rao, V. P., Kawahata, H., Ittekkot, V. and Frank, M.
(2018)
Variations in Denitrification and Ventilation Within the Arabian Sea Oxygen Minimum Zone During the Holocene.
Geochemistry, Geophysics, Geosystems, 19
(7).
pp. 2179-2193.
DOI 10.1029/2017GC007286.
Scholz, F., Baum, M., Siebert, C., Eroglu, S., Dale, A. W. , Naumann, M. and Sommer, S.
(2018)
Sedimentary molybdenum cycling in the aftermath of seawater inflow to the intermittently euxinic Gotland Deep, Central Baltic Sea.
Chemical Geology, 491
.
pp. 27-38.
DOI 10.1016/j.chemgeo.2018.04.031.
Opfergelt, S., Williams, H. M., Cornelis, J. T., Guicharnaud, R. A., Georg, R. B., Siebert, C., Gislason, S. R., Halliday, A. N. and Burton, K. W.
(2017)
Iron and silicon isotope behaviour accompanying weathering in Icelandic soils, and the implications for iron export from peatlands.
Geochimica et Cosmochimica Acta, 217
.
pp. 273-291.
DOI 10.1016/j.gca.2017.08.033.
Scholz, F., Siebert, C., Dale, A. W. and Frank, M.
(2017)
Intense molybdenum accumulation in sediments underneath a nitrogenous water column and implications for the reconstruction of paleo-redox conditions based on molybdenum isotopes.
Geochimica et Cosmochimica Acta, 213
.
pp. 400-417.
DOI 10.1016/j.gca.2017.06.048.
Baronas, J. J., Hammond, D. E., McManus, J., Wheat, C. G. and Siebert, C.
(2017)
A global Ge isotope budget.
Geochimica et Cosmochimica Acta, 203
.
pp. 265-283.
DOI 10.1016/j.gca.2017.01.008.
Liang, Y. H., Halliday, A. N., Siebert, C., Fitton, J. G., Burton, K. W., Wang, K. L. and Harvey, J.
(2017)
Molybdenum isotope fractionation in the mantle.
Geochimica et Cosmochimica Acta, 199
.
pp. 91-111.
DOI 10.1016/j.gca.2016.11.023.
Eroglu, S., Scholz, F., Frank, M. and Siebert, C.
(2017)
Early diagenesis of Mo: Oxic versus anoxic sediments in the Gulf of California.
[Talk]
In: Goldschmidt Conference 2017. , 13.-18.08.2017, Paris, France .
Yang, J., Barling, J., Siebert, C., Fietzke, J. , Stephens, E. and Halliday, A. N.
(2017)
The molybdenum isotopic compositions of I-, S- and A-type granitic suites.
Geochimica et Cosmochimica Acta, 205
.
pp. 168-186.
DOI 10.1016/j.gca.2017.01.027.
Cao, Z., Siebert, C., Hathorne, E. C. , Dai, M. and Frank, M.
(2016)
Constraining the oceanic barium cycle with stable barium isotopes.
Earth and Planetary Science Letters, 434
.
pp. 1-9.
DOI 10.1016/j.epsl.2015.11.017.
Siebert, C., Pett-Ridge, J. C., Opfergelt, S., Guicharnaud, R. A., Halliday, A. N. and Burton, K. W.
(2015)
Molybdenum isotope fractionation in soils: Influence of redox conditions, organic matter, and atmospheric inputs.
Geochimica et Cosmochimica Acta, 162
.
pp. 1-24.
DOI 10.1016/j.gca.2015.04.007.
Ventura, T., Gall, L., Siebert, C., Prytulak, J., Szatmari, P., Huerlimann, M. and Halliday, A. N.
(2015)
The stable isotope composition of vanadium, nickel, and molybdenum in crude oils.
Applied Geochemistry, 59
.
pp. 104-117.
DOI 10.1016/j.apgeochem.2015.04.009.
Yang, J., Siebert, C., Barling, J., Savage, P., Liang, J. H. and Halliday, A. N.
(2015)
Absence of molybdenum isotope fractionation during magmatic differentiation at Hekla volcano, Iceland.
Geochimica et Cosmochimica Acta, 162
.
pp. 126-136.
DOI 10.1016/j.gca.2015.04.011.
Dausmann, V. , Frank, M. , Siebert, C., Christl, M. and Hein, J. R.
(2015)
The evolution of climatically driven weathering inputs into the western Arctic Ocean since the late Miocene: Radiogenic isotope evidence.
Earth and Planetary Science Letters, 419
.
pp. 111-124.
DOI 10.1016/j.epsl.2015.03.007.
Abraham, K., Barling, J., Siebert, C., Belshaw, N., Gall, L. and Halliday, A. N.
(2015)
Determination of mass-dependent variations in tungsten stable isotope compositions of geological reference materials by double-spike and MC-ICPMS.
Journal of Analytical Atomic Spectrometry, 30
(11).
pp. 2334-2342.
DOI 10.1039/c5ja00210a.
Nägler, T. F., Anbar, A. D., Archer, C., Goldberg, T., Gordon, G. W., Greber, N. D., Siebert, C., Sohrin, Y. and Vance, D.
(2014)
Proposal for an International Molybdenum Isotope Measurement Standard and Data Representation.
Geostandards and Geoanalytical Research, 38
(2).
pp. 149-151.
DOI 10.1111/j.1751-908X.2013.00275.x.
Opfergelt, S., Burton, K. W., Georg, R. B., West, A. J., Guicharnaud, R., Sigfusson, B., Siebert, C., Gislason, S. R. and Halliday, A. N.
(2014)
Magnesium retention on the soil exchange complex controlling Mg isotope variations in soils, soil solutions and vegetation in volcanic soils, Iceland.
Geochimica et Cosmochimica Acta, 125
.
pp. 110-130.
DOI 10.1016/j.gca.2013.09.036.
Gall, L., Williams, H. M., Siebert, C., Halliday, A. N., Herrington, R. J. and Hein, J. R.
(2013)
Nickel isotopic compositions of ferromanganese crusts and the constancy of deep ocean inputs and continental weathering effects over the Cenozoic.
Earth and Planetary Science Letters, 375
.
pp. 148-155.
DOI 10.1016/j.epsl.2013.05.019.
Liang, Y. H., Siebert, C., Fitton, J. G., Burton, K. W. and Halliday, A. N.
(2013)
Molybdenum isotope fractionation in the mantle.
[Talk]
In: Goldschmidt Conference 2013. , 25.-30.08.2013, Florence, Italy .
Neely, R., Siebert, C., Burton, K., Eiriksdottir, E. and Einarsson, A.
(2013)
Biological Fractionation of Molybdenum Isotopes: Lake Mývatn, Iceland.
[Talk]
In: Goldschmidt Conference 2013. , 25.-30.08.2013, Florence, Italy .
Siebert, C., von Strandmann, P. and Burton, K.
(2013)
Molybdenum Isotope Fractionation in the Great Artesian Basin, Australia.
[Poster]
In: Goldschmidt Conference 2013. , 25.-30.08.2013, Florence, Italy .
Yang, J., Siebert, C., Barling, J., Savage, P., Liang, Y. H. and Halliday, A.
(2013)
Molybdenum Isotopes during Magmatic Differentiation.
[Poster]
In: Goldschmidt Conference 2013. , 25.-30.08.2013, Florence, Italy .
Gall, L., Williams, H., Siebert, C. and Halliday, A.
(2012)
Determination of mass-dependent variations in nickel isotope compositions using double spiking and MC-ICPMS.
Journal of Analytical Atomic Spectrometry, 27
(1).
pp. 137-145.
DOI 10.1039/C1JA10209E.
Greber, N., Siebert, C., Nägler, T. F. and Pettke, T.
(2012)
δ98/95Mo values and Molybdenum Concentration Data for NIST SRM 610, 612 and 3134: Towards a Common Protocol for Reporting Mo Data.
Geostandards and Geoanalytical Research, 36
(3).
pp. 291-300.
DOI 10.1111/j.1751-908X.2012.00160.x.
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