Page path:
- Publications
Publications
Publications
2016 |
Ehlert, C., A. Reckhardt, J. Greskowiak, B. T. P. Liguori, P. Böning, R. Paffrath, H.-J. Brumsack & K. Pahnke (2016). Transformation of silicon in a sandy beach ecosystem: insights from stable silicon isotopes from fresh and saline groundwaters. Chemical Geology, 440, 207-218. doi:10.1016/j.chemgeo.2016.07.015 |
Doering, K., Z. Erdem, C. Ehlert, S. Fleury, M. Frank & R. Schneider (2016). Changes in diatom productivity and upwelling intensity off Peru since the Last Glacial Maximum: Response to basin-scale atmospheric and oceanic forcing. Paleoceanography 31. doi: 10.1002/2016PA002936. |
Grasse, P., M. Brzezinski, D. Cardinal, G. F. de Souza, P. Andersson, I. Closset, Z. Cao, M. Dai, C. Ehlert, N. Estrade, R. Francois, M. Frank, G. Jiang, J. L. Jones, E. Kooijman, Q. Liu, D. Lu, K. Pahnke, E. Ponzevera, M. Schmitt, X. Sun, J. Sutton, F. Thil, D. Weis, F. Wetzel, A. Zhang & Z. Zhang (2016). GEOTRACES Intercalibration of the Stable Silicon Isotope Composition of Dissolved Silicic Acid in Seawater. Journal of Analytical Atomic Spectrometry. doi: 10.1039/c6ja00302h. |
Böning, P., C. Ehlert, J. Niggemann, B. Schnetger & K. Pahnke (2016). Thallium Dynamics in the Weser Estuary (NW Germany), Estuarine, Coastal and Shelf Science, 187, 146–51. Doi: 10.1016/j.ecss.2016.12.004. |
Ehlert C., Reckhardt A., Greskowiak J., Liguori B. T. P., Böning P., Paffrath R., Brumsack H.-J. and Pahnke K. (2016) Transformation of silicon in a sandy beach ecosystem: Insights from stable silicon isotopes from fresh and saline groundwaters. Chem. Geol. 440, 207–218. doi: 10.1016/j.chemgeo.2016.07.015. |
Ehlert C., Reckhardt A., Greskowiak J., Liguori B. T. P., Böning P., Paffrath R., Brumsack H.-J. and Pahnke K. (2016) Transformation of silicon in a sandy beach ecosystem: Insights from stable silicon isotopes from fresh and saline groundwaters. Chem. Geol. 440, 207–218. doi: 10.1016/j.chemgeo.2016.07.015. |
Grasse P., Ryabenko E., Ehlert C., Altabet M. A. and Frank M. (2016) Silicon and nitrogen cycling in the upwelling area off Peru: A dual isotope approach. Limnol. Oceanogr. doi: 10.1002/lno.10324. |
Ehlert C., Doering K., Wallmann K., Scholz F., Sommer S., Grasse P., Geilert S. and Frank M. (2016) Stable silicon isotope signatures of marine pore waters – biogenic opal dissolution versus authigenic clay mineral formation. Geochim. Cosmochim. Acta 191, 102–117. doi: 10.1016/j.gca.2016.07.022 |
Doering, K., C. Ehlert, P. Grasse, X. Crosta, S. Fleury, M. Frank & R. Schneider (2016). Differences between mono-generic and mixed diatom silicon isotope composi- tions trace present and past nutrient utilisation off Peru. Geochimica et Cosmochimica Acta, 177, 30–47. doi:10.1016/j.gca.2015.12.029 |
2015 |
Ehlert, C., P. Grasse, D. Gutiérrez, R. Salvatteci & M. Frank (2015). Nutrient Utilisation and Weathering Inputs in the Peruvian Upwelling since the Little Ice Age. Climate of the Past, 11, 187-202, doi:10.5194/cp-11-187-2015. |
2013 |
Grasse, P., C. Ehlert & M. Frank (2013). The influence of water mass mixing on the dissolved silicon isotope composition of the Eastern Equatorial Pacific. Accepted for publication in Earth and Planetary Science Letters. |
Ehlert, C., P. Grasse & M. Frank (2013). Changes in Silicate Utilisation and Upwelling Intensity off Peru Since the Last Glacial Maximum - Insights from Silicon and Neodymium Isotopes. Quaternary Science Reviews, 72, 18-35.doi: 10.1016/j.quascirev.2013.04.013. |
2012 |
Ehlert, C., P. Grasse, E. Mollier-Vogel, T. Böschen, J. Franz, G. F. de Souza, B. Reynolds, L. Stramma & M. Frank (2012). Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling. Geochimica et Cosmochimica Acta, 99, 128-145. doi: 10.1016/j.gca.2012.09.038. |
Cao, Z., M. Frank, M. Dai, P. Grasse, & C. Ehlert (2012). Silicon isotope constraints on sources and utilization of silicic acid in the northern South China Sea. Geochimica et Cosmochimica Acta, 97, 88–104. doi:10.1016/j.gca.2012.08.039. |
Etourneau, J., C. Ehlert, M. Frank, P. Martinez, & R. Schneider (2012). Contribution of changes in opal productivity and nutrient distribution in the coastal upwelling systems to late Pliocene/early Pleistocene climate cooling. Climate of the Past, 8, 1435–1445. doi:10.5194/cp-8-1435-2012. |
2011 |
Ehlert, C., M. Frank, B. A. Haley, U. Böniger, P. De Deckker & F. X. Gingele (2011). Current transport versus continental inputs in the eastern Indian Ocean: Radiogenic isotope signatures of clay size sediments. Geochemistry Geophysics Geosystems, 12, Q06017(6), 1-17. doi: 10.1029/2011GC003544. |
Kindler, P., F. Godefroid, M. Chiaradia, C. Ehlert, A. Eisenhauer, M. Frank, C.-A. Hasler & E. Samankassou (2011). Discovery of Miocene to early Pleistocene deposits on Mayaguana, Bahamas: Evidence for recent active tectonism on the North American margin. Geology, 39(6), 523-526. doi: 10.1130/G32011.1.1. |
Conference Contributions |
Ehlert, C., R. Paffrath, A. Reckhardt & K. Pahnke: Transformation of silicon in a sandy beach ecosystem: insights from stable silicon isotopes in ground- and pore waters. Isotopes in Biogenic Silica (IBiS) Meeting, London, UK (05.-07.05.2015, Talk) |
Ehlert, C., R. Paffrath, A. Reckhardt & K. Pahnke: Transformation of silicon in a sandy beach ecosystem: insights from stable silicon isotopes in ground- and pore waters. AGU Fall Meeting, San Francisco, USA (14.-19.12.2014, Poster) |
Ehlert, C., K. Doering, K. Wallmann, P. Grasse & M. Frank: Stable silicon isotopes in porewaters off Peru – diatom dissolution versus authigenic clay mineral formation. Goldschmidt Conference, Florence, Italy (26.-30.08.2013, Poster) |
Ehlert, C., K. Doering, K. Wallmann, P. Grasse & M. Frank: Stable silicon isotopes in porewaters off Peru – diatom dissolution versus authigenic clay mineral formation processes. EnvironMetal Isotopes (EMI) Converence, Ascona, Switzerland (18.-23.08.2013, Poster) |
Ehlert, C., K. Doering, K. Wallmann, P. Grasse & M. Frank: Stable silicon isotopes in porewaters off Peru – diatom dissolution versus authigenic clay mineral formation processes. Isotopes in Biogenic Silica (IBiS) Meeting, Helsinki, Finnland (03.-05.06. 2013, Talk) |
Ehlert, C., P. Grasse, D. Gutiérrez, R. Salvatteci & M. Frank: Evolution of Nutrient Utilisation in the Peruvian Upwelling Region since the Little ICe Age. Isotopes in Biogenic Silica (IBiS) Meeting, Hamburg, Germany (28.-30.05.2012, Poster) |
Ehlert, C., P. Grasse & M. Frank: Changes in silicate utilization and upwelling intensity off Peru since the LGM – Insights from silicon and neodymium isotopes. Goldschmidt Conference, Prague, Czech Republic (15.-19.08.2011, Talk) |
Ehlert, C., P. Grasse & M. Frank: Changes in silicate utilization and upwelling intensity off Peru since the LGM – insights from silicon isotopes. EGU General Assembly, Vienna, Austria, (03.-08.04.2011, Talk) |
Ehlert, C., P. Grasse, M. Frank & L. Stramma: Silicon isotope distribution in the Peruvian coastal upwelling area. 10th International Conference on Paleoceanography, San Diego, USA (29.08.-03.09.2010, Poster) |
Ehlert, C., M. Frank, B.A. Haley, F. Gingele & P. de Deckker: Radiogenic isotope signatures of clay-size sediments in the Eastern Indian Ocean: Weathering inputs and current regimes during the latest quaternary, Goldschmidt Conference, Davos, Switzerland (21.-26.06.2009, Poster) |