Johanna Metzger

PhD Student
Johanna Metzger Image: Johanna Metzger

 

Office

Friedrich Schiller University Jena
Institute of Geoscience
Burgweg 11 / H302
07749 Jena / Germany

johanna.clara.metzger@uni-jena.de
+49 3641 9-48723

Research activity

Due to the mechanisms of interception, stemflow and canopy throughfall, precipitation reaches a forest soil surface in an altered temporal and spatial distribution. The retention of water by canopies is contrasted by the formation of dynamic hotspots. Where do these hotspots evolve, and how strong are they? How do these processes impact subsurface flow processes?

Within the collaborative research center of AquaDiva, I assessed precipitation, soil moisture and environmental properties with extensive field measurements on a 1-ha mixed beech forest plot. Via geostatistical analyses, I disentangle the character and relationship of canopy and subsurface flow patterns, their impacting factors, and their potential meaning for the hydrological ecosystem functioning.

Publications

List of all Publications, Talks and Posters [pdf 56KB]

Metzger, J. C., J. Schumacher, M. Lange, A. Hildebrandt. 2019. Neighbourhood and stand structure affect stemflow generation in a heterogeneous deciduous temperate forest. Hydrology and Earth System Sciences Discussions, https://doi.org/10.5194/hess-2019-336, in review.

Metzger, J. C., T. Wutzler, N. Dalla Valle, J. Filipzik, C. Grauer, R. Lehmann, M. Roggenbuck, D. Schelhorn, J. Weckmüller, K. Küsel, K. U. Totsche, S. Trumbore, A. Hildebrandt. 2017. Tracing spatial variation of canopy water fluxes to the soil with high resolution data. Hydrological Processes. https://doi.org/10.1002/hyp.11274

Zimmermann, A., S. Voss, J. C. Metzger, A. Hildebrandt, B. Zimmermann. 2016. Capturing heterogeneity: The role of a study area's extent for estimating mean throughfall. Journal of Hydrology 542:781–789. https://doi.org/10.1016/j.jhydrol.2016.09.047

Metzger, J. C., L. Landschreiber, A. Gröngröft and A. Eschenbach: A Field and Model Approach to Soil Evaporation in Southern African Savannas. Journal of Plant Nutrition and Soil Science 177:468-475. https://doi.org/10.1002/jpln.201300257

Selected conference contributions

European Geosciences Union General Assembly. 2018. Metzger, J. C., M. Kleemann, J. Weckmüller, A. Hildebrandt. Systematic patterns of forest soil water retention depending on the tree distance in a European mixed beech forest.

European Geosciences Union General Assembly. 2017. Metzger, J. C., S. Germer and A. Hildebrandt. Factors impacting stemflow generation in a European beech forest: Individual tree versus neighborhood properties.

Tagung Waldböden: Schutz und Nutzung. 2016. Metzger, J. C., T. Wutzler, N. Dalla Valle, J. Filipzik, R. Lehmann, M. Roggenbuck, D. Schelhorn, J. Weckmüller, K. Küsel, K. U. Totsche, S. Trumbore, A. Hildebrandt: Tracing spatial variation of canopy water fluxes to the soil with high resolution data.

European Geosciences Union General Assembly. 2015. Metzger, J. C., N. Dalla Valle, T. Wutzler, J. Filipzik, C. Grauer, J. Weckmüller, D. Schelhorn, A. Hildebrandt: Flow patterns of precipitation and soil water beneath forest canopies: An experimental approach to assessing water flow heterogeneity with high resolution measurements.

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