Dr. Anja Wotte (geb. Cording)

Dr. Anja Wotte (geb. Cording)

Dr. Anja Wotte (geb. Cording)


Postdoc

Bernhard-von-Cotta-Straße 2, Zimmer E-118

Telefon +49 3731 39-4411
Fax +49 3731 39-3599
anja [dot] wotteatgeo [dot] tu-freiberg [dot] de



Forschungsinteressen

  • Untersuchung des Kohlenstoffkreislaufs im arktischen Permafrost,
  • Methodenentwicklung zur Probenahme und Aufbereitung von respiriertem CO2 für die 14C-Analytik,
  • Biogeochemie stabiler Isotope (insbesondere δ13C & δ34S)

Lebenslauf

JahrTätigkeit
seit 08/2018Postdoc, AG Paläontologie/Stratigraphie, TU Bergakademie Freiberg
2016–2018Doktorandin, AG Organische Geochemie und Radiokohlenstoffdatierung, Universität zu Köln
2013–2016Chemieingenieurin, AG Organische Geochemie und Radiokohlenstoffdatierung, Universität zu Köln
2006–2012Studium der Geowissenschaften, WWU Münster

Publikationen

peer-reviewte Fachzeitschriften:

  • Rethemeyer, J.; Gierga, M.; Heinze, S.; Stolz, A.; Wotte, A.; Wischhöfer, P.; Berg, S.; Melchert, J.; Dewald, A. (2019) Current sample preparation and analytical capabilities of the radiocarbon laboratory at CologneAMS, Radiocarbon. DOI: 10.1017/RDC.2019.16.
  • Stolz, A.; Dewald A.; Heinze, S.; Altenkirch, R.; Hackenberg, G.; Herb, S.; Müller-Gatermann, C.; Schiffer, M.; Zitzer, G.; Wotte, A.; Rethemeyer, J.; Dunai, T. (2019) Improvements in the measurement of small 14CO2 samples at CologneAMS, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, v. 439, p. 70–75. DOI: 10.1016/j.nimb.2018.12.008.
  • Wordell-Dietrich, P.; Don, A.; Wotte, A.; Rethemeyer, J.; Bachmann, J.; Helfrich, M.; Kirfel, K.; Leuschner, C. (2019) Vertical partitioning of CO2 production in a Dystric Cambisol. Biogeosciences Discussion. DOI: 10.5194/bg-2019-143.
  • Wotte, A.; Wischhöfer, P.; Wacker, L.; Rethemeyer, J. (2017) 14CO2 analysis of soil gas: Evaluation of sample size limits and sampling devices, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, v. 413, p. 51–56. DOI: 10.1016/j.nimb.2017.10.009.
  • Stolz, A.; Dewald A.; Altenkirch, R.; Herb, S.; Heinze, S.; Schiffer, M.; Feuerstein, C.; Müller-Gatermann, C.; Wotte, A.; Rethemeyer, J.; Dunai, T. (2017) Radiocarbon measurements of small gaseous samples at CologneAMS, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, v. 406, p. 283–286. DOI: 10.1016/j.nimb.2017.03.031.
  • Wotte, A.; Wordell-Dietrich, P.; Wacker, L.; Don, A.; Rethemeyer, J. (2017) 14CO2 processing using an improved and robust molecular sieve cartridge, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, v. 400, p. 65–73. DOI: 10.1016/j.nimb.2017.04.019.
  • Cording, A.; Hetzel, R.; Kober, M.; Kley, J. (2014) 10Be exposure dating of river terraces at the southern mountain front of the Dzungarian Alatau (SE Kazakhstan) reveals rate of thrust faulting over the past ~400 ka, Quaternary Research, v. 81, p. 168–178. DOI: 10.1016/j.yqres.2013.10.016.
  • Strauss, H.; Bast, R.; Cording, A.; Diekrup, D.; Fugmann, A.; Garbe-Schönberg, D.; Lutter, A.; Oeser, M.; Rabe, K.; Reinke, D.; Teichert, B.M.A.; Westernströer, U. (2012) Sulphur diagenesis in the sediments of the Kiel Bight, SW Baltic Sea, as reflected by multiple stable sulphur isotopes, Isotopes in Environmental and Health Studies, v. 48, p. 166–179. DOI: 10.1080/10256016.2012.648930.

Abstracts von Fachtagungen:

  • Wischhöfer, P.; Wotte, A.; Melchert, J.; Rethemeyer, J. (2018) 14CO2 analysis of soil emissions in the High Arctic reveal the degradation of old organic matter sources in permafrost soils, 5th EUCOP (European conference on Permafrost) 2018, June 21–July 1, Chamonix Mont-Blanc, France.
  • Wotte, A.; Wischhöfer, P.; Knoblauch, C.; Rethemeyer, J. (2018) Vulnerability of Yedoma carbon to permafrost thaw – Insights from 14CO2 analysis, 5th EUCOP 2018, June 21–July 1, Chamonix Mont-Blanc, France.
  • Gierga, M.; Rethemeyer, J.; Wotte, A.; Wischhöfer, P.; Berg, S.; Patt, U.; John, S.; Heinze, S.; Dewald, A.; Wacker, L.; Welte, C. (2018) Progress report and methodical improvements in the radiocarbon analysis at the CologneAMS facility, Radiocarbon 2018, June 17–22, Trondheim, Norway.
  • Melchert, J.; Stolz, A.; Dewald, A.; Wotte, A.; Wischhöfer, P.; Rethemeyer, J. (2018) Exploring sample size limits of AMS gas ion source 14CO2 analysis, Radiocarbon 2018, June 17–22, Trondheim, Norway.
  • Rethemeyer, J.; Wotte, A.; Martens, J.; Wischhöfer, P.; Mueller, C.W.; Wacker, L.; Heinze, S.; Dewald, A. (2018) Will ancient C in deep permafrost deposits be quickly respired upon thaw? Radiocarbon 2018, June 17–22, Trondheim, Norway.
  • Stolz, A.; Dewald, A.; Heinze, S.; Altenkirch, R.; Hackenberg, G.; Herb, S.; Müller-Gatermann, C.; Schiffer, M.; Wotte, A.; Rethemeyer, J.; Dunai, T. (2018) Improvements in the measurement of small 14CO2 samples at CologneAMS, Radiocarbon 2018, June 17–22, Trondheim, Norway.
  • Wischhöfer, P.; Wotte, A.; Melchert, J.; Rethemeyer, J. (2018) Tracing the degradation of ancient organic carbon in permafrost-affected soils via 14C analysis of microbial, in-situ respired CO2, Radiocarbon 2018, June 17–22, Trondheim, Norway.
  • Björkman, M.P.; Boeckx, P.; Wotte, A.; Rethemeyer, J.; Lindwall, F.; Elberling, B.; Björk, R.G. (2018) The sensitivity of carbon in Arctic permafrost soils to climate change, 19th ITEX (International Tundra Experiment) Meeting, April 25–27, Stirling, Scotland, UK.
  • Stolz, A.; Dewald, A.; Heinze, S.; Altenkirch, R.; Herb, S.; Schiffer, M.; Müller-Gatermann, C.; Dunai, T.; Wotte, A.; Rethemeyer, J. (2017) Radiocarbon Measurements of Small Gaseous Samples at CologneAMS, The 14th International Conference on Accelerator Mass Spectrometry, August 14–18, Ottawa, Canada.
  • Stolz, A.; Dewald A.; Altenkirch, R.; Schiffer, M.; Feuerstein, C.; Müller-Gatermann, C.; Wotte, A.; Rethemeyer, J., Dunai, T. (2016) Radiocarbon Measurements of Small Gaseous Samples at CologneAMS, ECAART (European Conference on Accelerators in Applied Research and Technology) 2016, Juli 3–8, Jyväskylä, Finland.
  • Cording, A.; Dietrich, P.; Wacker, L.; Don, A.; Rethemeyer, J. (2015) A molecular sieve cartridge (MSC) to collect soil CO2 for radiocarbon dating – first tests and applications, SOM (International Symposium on Soil Organic Matter) 2015, September 20–24, Göttingen, Germany.
  • Dietrich, P.; Don, A.; Cording, A.; Rethemeyer, J.; Flessa, H.; Helfrich, M. (2015) Sources of CO2 production in subsoils, SOM 2015, September 20–24, Göttingen, Germany.
  • Gomez-Saez, G.V.; Sollich, M.; Pop Ristova, P.; Cording, A.; Elvert, M.; Hinrichs, K.-U.; Bühring, S.I. (2013) Stable isotope probing of lipid biomarkers in a shallow water hydrothermal vent system off Milos Island (Greece), IMOG 2013: International Congress on Organic Geochemistry, September 15–20, Tenerife, Spain.
  • Strauss, H.; Cabral, A.R.; Cording, A.; Koglin N. (2011) Multiple sulfur isotopic evidence for multiple origins of late Archean and early Paleoproterozoic sediment-hosted pyrite, Quadrilátero Ferrífero of Minas Gerais, Mineralogical Magazine, v. 75 (3), p. 1953.
  • Wotte, T.; Strauss, H.; Fugmann, A.; Cording, A.; Rabe, K. (2010) δ34S isotopes from carbonate associated sulfate and chromium-reducible sulfur from the traditional Lower-Middle Cambrian, Geochimica et Cosmochimica Acta, v. 74 (12), p. A1141.

weitere Publikationen:

  • Wotte, A. (2018) Purification of CO2 for AMS 14C analysis: Method development and application to permafrost deposits. PhD thesis, Universität zu Köln. https://kups.ub.uni-koeln.de/8474/
  • Wischhöfer, P.; Wotte, A.; Rethemeyer, J. (2018) Carbon emissions and terrestrial carbon transport. Russian-German Cooperation: Expeditions to Siberia in 2017, Berichte zur Polar- und Meeresforschung. Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 725, p. 296.
  • Wotte, A.; Rethemeyer, J. (2017) Carbon export from Siberian permafrost soils. Russian-German Cooperation: Expeditions to Siberia in 2016, Berichte zur Polar- und Meeresforschung. Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 709, p. 295.

Expeditionen & Workshops

JahrExpeditionen/Workshops
08 & 11/2018mehrwöchige Expeditionen zur AWIPEV Station, Ny Ålesund, Svalbard.
06/2018Permafrost young researcher workshop, European Conference on Permafrost, Chamonix.
07/2017mehrwöchige Expedition zur AWIPEV Station, Ny Ålesund, Svalbard.
08/2016 & 08/20172 mehrwöchige Expeditionen zur Forschungsstation Samoylov, Lenadelta, Sibirien.
09/2014ECORD Summer School 2014, Subseafloor Biosphere: Current Advances and Future Challenges, Prof. D. Hebbeln; Dr. V. Heuer; Prof. K.-U. Hinrichs; Dr. U. Röhl (MARUM, Universität Bremen).
05/2012Expedition zu submarinen Flachwasser-Hydrothermalquellen auf Milos, Griechenland, geomikrobiologische Probenahme und chemische Vorbehandlung, Labelling-Experimente (Lipide, RNA); wissenschaftliche Leitung: Dr. S. Bühring (MARUM, Universität Bremen).
08–09/2012Fünfwöchiger Geländeaufenthalt mit Probenahme zur Oberflächendatierung in Kasachstan.