Dr. Christian Buchmann

Wissenschaftler (Umwelt- und Bodenchemie)
Scientific assistent

Research

  • Soil interfacial chemistry
  • Environmental chemistry and soil physics
    •  the contribution of bio- and synthetic polymers to soil-water interactions and soil physicochemical properties ("gel effect")
      • proton nuclear magnetic resonance (1H-NMR) relaxometry
      • classical' soil physical analyses (water retention curves, shear parameter, aggregate stability, ...)
      • soil rheology
      • environmental scanning electron microscopy (ESEM)
    • effect of microbial and fungal activity on soil-water interactions and soil physicochemical properties
    •  Associated to research in microplastics, nanoparticles and plastic mulching

     

    Tasks

    1. Lecturer for MSc. Umweltwissenschaften / Ecotoxicology; BSc Mensch & Umwelt:
    • "Biogeochemical Interfaces in Soil"
    • "Methoden der Umwelt- und Naturwissenschaften"

     

     2. Laboratory Courses BSc. Mensch & Umwelt / BSc. Umweltwissenschaften / MSc. Umweltwissenschaften / Ecotoxicology:

    • Chemisches Praktikum für Umweltwissenschaftler
    • "Biogeochemical Interfaces in Soil"
    • "Methoden der Umwelt- und Naturwissenschaften"


     3. Supervision of Bachelor, Master Diploma thesis, PhDs and Research Projects

     

      Curriculum Vitae (excerpt)

      Since 2018 Postdoctoral researcher and lecturer assistant at the Universität Koblenz-Landau, Campus Landau, Institute of Environmental Sciences, Department of Environmental and Soil Chemistry
      2013-2018 PhD study at the Universität Koblenz-Landau, Campus Landau, Institute of Natural Sciences, Department of Environmental and Soil Chemistry at the DFG research project 'SOIL-H-RELAX'
      2012-2013 Internship and working student at Ecotox consult Dr. Michael Meller, Ludwigshafen. Department: Regulatory ecotoxicology
      2011 Internship at AgroScience IfA, Mußbach. Department: Ecochemistry
      2008-2013 Studies of the Environmental Sciences (Diploma) University of Koblenz-Landau, Campus Landau

       

      Publications

      2018

      Philippe2018COT
      Philippe, Allan; Campos, Daniel; Guigner, Jean-Michel; Buchmann, Christian; Diehl, Dörte; Schaumann, Gabriele E. (2018): Characterization of the Natural Colloidal TiO2 Background in Soil. In: Separations. Bd. 5. Nr. 4. S. 50.

      Buchmann2018TSO
      Buchmann, Christian (2018): The swelling of interparticulate hydrogels in soil and their contribution to soil structural stability and soil-water interactions. Landau (Pfalz), Germany: University Koblenz-Landau. Dissertation thesis.

      Buchmann2018TCO
      Buchmann, Christian; Schaumann, Gabriele Ellen (2018): The contribution of various organic matter fractions to soil-water interactions and structural stability of an agriculturally cultivated soil. In: Journal of Plant Nutrition and Soil Science. Bd. 181. Nr. 4. S. 586-599.

      Liu2018MBG
      Liu, Liu; De Kock, Tim; Wilkinson, Jeremy; Cnudde, Veerle; Xiao, Shangbin; Buchmann, Christian; Uteau, Daniel; Peth, Stephan; Lorke, Andreas (2018): Methane bubble growth and migration in aquatic sediments observed by X-ray µCT. In: Environmental Science Technology. Bd. only early.

      Meyer2018DOQ1
      Meyer, Maximilian; Buchmann, Christian; Schaumann, G. E. (2018): Determination of quantitative pore-size distribution of soils with 1H NMR relaxometry. In: European Journal of Soil Science. Bd. 69. Nr. 3. S. 393-406.

      Liu2018MBG1
      Liu, Liu; De Kock, Tim; Wilkinson, Jeremy; Cnudde, Veerle; Xiao, Shangbin; Buchmann, Christian; Uteau, Daniel; Peth, Stephan; Lorke, Andreas (2018): Methane Bubble Growth and Migration in Aquatic Sediments Observed by X-ray 956;CT. In: Environmental Science Technology. Bd. 52. Nr. 4. S. 20072015.

      2017

      Brax2017BIS
      Brax, Mathilde; Buchmann, Christian; Schaumann, Gabriele Ellen (2017): Biohydrogel induced soilwater interactions: how to untangle the gel effect? A review. In: Journal of Plant Nutrition and Soil Science.

      Muñoz2017PAM
      Muñoz, Katherine; Buchmann, Christian; Meyer, Maximilian; Schmidt-Heydt, Markus; Steinmetz, Zacharias; Diehl, Dörte; Thiele-Bruhn, Sören; Schaumann, Gabriele Ellen (2017): Physicochemical and microbial soil quality indicators as affected by the agricultural management system in strawberry cultivation using straw or black polyethylene mulching. In: Applied Soil Ecology. Bd. 113. S. 36-44.

      Brax2017EOM
      Brax, Mathilde; Buchmann, Christian; Schaumann, Gabriele Ellen (2017): Effect of mucilage on water properties in the rhizosphere monitored by 1H-NMR relaxometry. In: Microporous and Mesoporous Materials.

      2016

      Steinmetz2016PMI
      Steinmetz, Zacharias; Wollmann, Claudia; Schaefer, Miriam; Buchmann, Christian; David, Jan; Tröger, Josephine; Muñoz, Katherine; Frör, O.; Schaumann, Gabriele Ellen (2016): Plastic mulching in agriculture. Trading short-term agronomic benefits for long-term soil degradation?. In: Science of the Total Environment. Bd. 550. S. 690-705.

      Kurtz2016SBW
      Kurtz, Markus Peter; Tamimi, Nisreen; Buchmann, Christian; Steinmetz, Zacharias; Keren, Yonatan; Peikert, Benjamin; Borisover, Mikhail; Diehl, Doerte; Marei, Amer; Shoqeir Hasan, Jawad; Zipori, Isaac; Dag, Arnon; Schaumann, Gabriele Ellen (2016): Soil based wastewater treatment – Effective utilization of olive mill wastewater. In: WaterSolutions. Nr. 1. S. 82-86.

      Liu2016TRO
      Liu, Liu; Wilkinson, Jeremy; Koca, Kaan; Buchmann, Christian; Lorke, Andreas (2016): The role of sediment structure in gas bubble storage and release. In: Journal of Geophysical Research: Biogeosciences. Bd. 121. Nr. 7. S. 1992-2005.

      Buchmann2016EOW
      Buchmann, Christian; Schaumann, Gabriele Ellen (2016): Effect of water entrapment by a hydrogel on the microstructural stability of artificial soils with various clay content. In: Plant and Soil. Bd. 414.

      2015

      Buchmann2015DOP
      Buchmann, Christian; Felten, Andreas; Peikert, Benjamin; Muñoz, Katherine; Bandow, Nicole; Dag, Arnon; Schaumann, Gabriele Ellen (2015): Development of phytotoxicity and composition of a soil treated with olive mill wastewater (OMW): An incubation study. In: Plant and Soil. Bd. 386. Nr. 1. S. 99-112.

      Buchmann2015COW
      Buchmann, Christian; Meyer, Maximilan; Schaumann, Gabriele Ellen (2015): Characterization of wet aggregate stability of soils by 1H-NMR relaxometry. In: Magnetic Resonance in Chemistry. Bd. 53. S. 694-703.

      Buchmann2015IAM
      Buchmann, Christian; Bentz, Jonas; Schaumann, Gabriele Ellen (2015): Intrinsic and model polymer hydrogel-induced soil structural stability of a silty sand soil as affected by soil moisture dynamics. In: Soil and Tillage Research. Bd. 154. S. 22-33.

       

      2013

      0. Buchmann Christian 2013: Short-term impact of Olive mill wastewater (OMW) application on a Mediterranean soil: Effects on microbial activity, carbon isotope ratio and phytotoxicity. Diploma thesis.

       

      Posters & Presentations

      "Effect of matric potential on biohydrogel-induced soil microstructural stability and soil-water interactions" (oral presentation). DBG Jahrestagung, Bern, Schweiz, August 2019

      "Effect of matric potential and soil-water interactions on biohydrogel-induced soil microstructural stability" (oral presentation). Biohydrology, Valencia, Spain, July 2019

      "Role of sugars in the contribution of root exudates to soil structural stability " (oral presentation; co-author). Micro Soil Conference, St Loup Lamairé, July 2018

      "How do various organic matter fractions affect soil-water interactions and soil structural stability on different scales?" (oral presentation). DBG Jahrestagung, Göttingen, September 2017

      "Shift of microbial communities and reduced enzymatic activity in soil under plastic mulching system in strawberry cultivation" (oral presentation; co-author). DBG Jahrestagung, Göttingen, September 2017

      "Untangle soil-water-mucilage interactions with 1H-NMR Relaxometry" (oral presentation; co-author). DBG Jahrestagung, Göttingen, September 2017

      "Untangle soil-water-mucilage interactions: 1H-NMR Relaxometry is lifting the veil" (oral presentation; co-author). EGU 2017, Vienna, April 2017

      "The "gel effect”: effect of mucilage on water properties in the rhizosphere" (oral presentation; co-author). Biohydrology, Almeria, September 2016

      "Hydrogel swelling in soil and its contribution to soil microstructural stability" (oral presentation). Biohydrology, Almeria, September 2016

      "Effect of mucilage on water properties in the rhizosphere monitored by 1H-NMR relaxometry" (oral presentation; co-author). Magnetic Resonance in Porous Media (MRPM13), Bologna, September 2016

      "Effect of water entrapment by a hydrogel on the structural stability of artificial soils" (Poster). Magnetic Resonance in Porous Media (MRPM13), Bologna, September 2016

      "Determination of quantitative pore size distributions of soils with 1H-NMR Relaxometry" (Poster). Young Academics Conference - Land-Water-Interactions, Klingenmünster, November 2015

      "Determination of quantitative pore size distributions of soils with 1H-NMR Relaxometry" (oral presentation; co-author). DBG Jahrestagung, München, September 2015

      "Structural stability of a silty sand soil as affected by polymer hydrogel and moisture dynamics" (oral presentation). DBG Jahrestagung, München, September 2015

      “Characterization of wet aggregate stability of soils by 1H-NMR relaxometry” (oral presentation). Biogeochemical Interfaces in Soil Symposium, Leipzig, October 2014.

      “Quellung und Wasserbindung in der organischen Bodensubstanz – ein Schlüssel zum Verständnis der physikochemischen Aggregatstabilität?“ (Oral presentation; co-author). DBG Jahrestagung, Rostock, September 2013.

      “Short-term effects of Olive mill wastewater application on phytotoxicity towards Lepidium sativum, microbial soil respiration and extractable total phenolic content” (Poster). Soil Waste Water Workshop, Landau i. d. Pfalz, March 2013.

      “Short-term effects of Olive mill wastewater application on degradation of polyphenols, ecotoxicology and carbon isotope ratio of a Mediterranean soil” (oral presentation). Soil Waste Water Workshop, Landau i. d. Pfalz, March 2013.

          

      Awards

      2013: Award for the „Best final thesis”, University of Koblenz-Landau, Campus Landau

      2018: Teaching certificate - "Best  Exercise 2017/2018", University of Koblenz-Landau, Campus Landau, Faculty 7 

       

      Memberships

      • Deutsche Bodenkundliche Gesellschaft (DBG)
      • Berufsverband Umweltwissenschaften (BVU)
      • Association for Microwave Power in Europe for Research and Education (Ampere)
      • QM Academy for construction and experts services

       

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