In Jena, it is traditional for newly graduated doctoral students to throw a wreath over the sword of Hanfried (statue of Johann Friedrich I of Saxony, the founder of the university) on the market square. The photo shows a wreath thrown high.

Theses

Here you can select habilitations and theses from PhD, Diploma, Masters and Bachelors students that were completed at the Max Planck Institute for Biogeochemistry.

Thesis - PhD (207)

1.
Thesis - PhD
Ivanova, K.: Carbon flux across wet-dry gradients in Arctic permfrost landscapes: learning across scales to improve landscape upscaling. Dissertation (2026)
2.
Thesis - PhD
Lee, H. T.: Terrestrial water and carbon cycles diagnosed using model-data integration. Dissertation, Technische Universität Dresden, Dresden (2026)
3.
Thesis - PhD
Tran, D. A.: Greenhouse gas dynamics in Siberia: interannual, seasonal, and diurnal insights from the ZOtino Tall Tower Observatory. Dissertation (2026)
4.
Thesis - PhD
Triches, N. Y.: Revealing drivers of nitrous oxide (N2O) fluxes in a thawing sub-Arctic permafrost peatland. Dissertation, University of Helsinki, Helsinki (2026)
5.
Thesis - PhD
Bramble, D. S.: Formation of mineral-associated organic matter in soils: Role of land use and mineral type. Dissertation, Friedrich Schiller University Jena, Jena (2025)
6.
Thesis - PhD
Eder, L. M.: Effects of elevated CO 2 on soil organic matter turnover and nutrient uptake. Dissertation, Friedrich Schiller University Jena, Jena (2025)
7.
Thesis - PhD
Fan, N.: Climate Controls on Ecosystem Carbon Turnover: Identifying Robust Features amidst Uncertainty. Dissertation, Friedrich Schiller University Jena, Jena (2025)
8.
Thesis - PhD
Gomarasca, U.: Analysis of spatiotemporal variability of functional properties of ecosystems from global databases. Dissertation, Leipzig University, Leipzig (2025)
9.
Thesis - PhD
Heinze, B.: Ancient carbon in sedimentary rocks drives modern groundwater microbiomes. Dissertation, Friedrich Schiller University Jena, Jena (2025)
10.
Thesis - PhD
Hellmann, S.: Application of single particle / single cell ICP-MS to geotechnical and biogeochemical suspensions. Dissertation, Friedrich Schiller University Jena, Jena (2025)
11.
Thesis - PhD
Ho, D.: Ensemble simulation of greenhouse gas distributions for remote sensing data assimilation. Dissertation, Friedrich Schiller University Jena, Jena (2025)
12.
Thesis - PhD
Katal, N.: Utilizing opportunistic citizen science plant observations for phenological monitoring. Dissertation, Friedrich Schiller University Jena, Jena (2025)
13.
Thesis - PhD
Lange, D. F.: Molecular analysis of dissolved organic matter as an ecosystem diagnostic tool in the Amazon rainforest. Dissertation, Friedrich Schiller University Jena, Jena (2025)
14.
Thesis - PhD
Li, N.: Towards constraining the role of internal climate variability and the forced response in the global carbon cycle. Dissertation, Leipzig University, Leipzig (2025)
15.
Thesis - PhD
Linscheid, N.: Understanding ecosystem-climate interaction across timescales. Dissertation, Technical University of Munich, München (2025)
16.
Thesis - PhD
Medina van Berkum, P.: Effects of biodiversity on plant chemical profiles and its eco-evolutionary significance. Dissertation, Friedrich Schiller University Jena, Jena (2025)
17.
Thesis - PhD
Paulus, S.: A novel framework for assessing the spatiotemporal dynamics of soil water vapor adsorption using a global observation network. Dissertation, Friedrich Schiller University Jena, Jena (2025)
18.
Thesis - PhD
Robin, M.: Isoprene emissions differentially mediate defense responses in brevideciduous and evergreen central Amazon Forest trees. Dissertation, Friedrich Schiller University Jena, Jena (2025)
19.
Thesis - PhD
Ruiz-Vásquez, M.: Exploring the potential of land surface information to improve subseasonal temperature forecast skills. Dissertation, Friedrich Schiller University Jena, Jena (2025)
20.
Thesis - PhD
Schmidbauer, N.: Modeling of lake water storage in a global physically-constrained deep learning water cycle model. Dissertation, Goethe University Frankfurt, Frankfurt (2025)
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