Dr. rer. nat. Jan Fietzke
Topic 3 und 6
FB 2: Marine Biogeochemie
FE Marine Geosysteme
FB 4: Dynamik des Ozeanbodens
FE Magmatische und hydrothermale Systeme
Büro: 8E/105, Telefon (Büro): +49 431 600 2106
Labor: 8A/004, Telefon (Labor): +49 431 600 2103
E-Mail: jfietzke(at)geomar.de
Kontakt
Adresse: GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Wischhofstraße 1-3, 24148 Kiel
Forschungsschwerpunkte
Instrumentelle Analytik (in situ Isotopen- und Elementanalytik, Laser Ablation, ICP-MS), Biomineralisation, chemisch Proxies in marinen Karbonaten
Projekte und Projektbeteiligungen
Projekte (PI)
LASSO: 2006-2008
BIOACID I: 2009-2012
BIOACID II: 2012-2015
Projektbeteiligungen
CALMARO: 2008-2012
TRION: 2010-2016
BASE-LiNE Earth: 2015-2018
Vita
1991-1997 Studium Physik (Diplom) TU Dresden & Uni Heidelberg
1997-2000 Doktorarbeit CAU Kiel & Uni Heidelberg, Dr. rer nat. Physik Uni Heidelberg
2000-2005 Postdoc CAU Kiel, IfM-GEOMAR Kiel
seit 2005 wiss. Angestellter (permanent) GEOMAR Kiel; Labor-Manager MC-ICP-MS (AXIOM lab)
seit 2010 Laborleiter LA-ICP-MS, GEOMAR Kiel
Wissenschaftliches Engagement
seit 2025 Joint-Editor-in-Chief bei "Geostandards and Geoanalytical Research", Wiley
Link zum Journal
Patente (Google Patents)
Erteilte Patente:
- EP3401944: Method and device for detecting electrically charged
particles of a particle stream and system for analysis of ionized
components of an analyte (https://patents.google.com/patent/EP3401944B1/en)
Angemeldete Patente:
- US20240420941/EP4481792: Temperature control plasma source analyzer
arrangement and temperature-controlled gas flow-plasma source analysis
method (https://patents.google.com/patent/US20240420941A1/en)
- US20250157807/EP4542621: Ablation device
(https://patents.google.com/patent/US20250157807A1/en)
Publikationen (Google Scholar und ResearchGate)
Publikationen (Highlights)
Fietzke, J. and M. Wall (2022), Distinct fine-scale variations in calcification control revealed by high-resolution 2D boron laser images in the cold-water coral Lophelia pertusa. Science Advances, 8 (11). eabj4172. doi: 10.1126/sciadv.abj4172
Fietzke, J. and M. Frische (2016), Experimental evaluation of elemental behavior during LA-ICP-MS: influences of plasma conditions and limits of plasma robustness, J. Anal. At. Spectrom. 31, 234-244, doi: 10.1039/c5ja00253b
Fietzke, J., F. Ragazzola, J. Halfar, H. Dietze, L.C. Foster, T.H. Hansteen, A. Eisenhauer, R.S. Steneck (2015), Century-scale trends and seasonality in pH and temperature for shallow zones of the Bering Sea, Proc. Natl. Acad. Sci. USA 112 (10), 2960-2965, doi: 10.1073/pnas.1419216112
Fietzke J., V. Liebetrau, D. Günther, K. Gürs, K. Hametner, K. Zumholz, T.H. Hansteen & A. Eisenhauer (2008), An alternative data acquisition and evaluation strategy for improved isotope ratio precision using LA-MC-ICP-MS applied for stable and radiogenic strontium isotopes in carbonates, J. Anal. At. Spectrom., 23, 955-961, doi:10.1039/b717706b
Fietzke, J., and A. Eisenhauer (2006), Determination of temperature-dependent stable strontium isotope (88Sr/86Sr) fractionation via bracketing standard MC-ICP-MS, Geochem. Geophys. Geosyst. 7, Q08009, doi:10.1029/2006GC001243
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