INTERURBAN
Soil Organic Matter and its water binding and its Influence on Water Repellency and Sorption in Urban Soils INTERURBAN - HUMUS I &II, DFG: SCHA 849/4-1,4-2,4-3 und 4-4 | |
Interdisziplinäre DFG-Forschergruppe FOR 409 INTERURBAN. Systemverständnis: Wasser- und Soffdynamik urbaner Standorte |
Summary
Phase I
The subproject HUMUS aimed to characterize the interaction between water and organic matter and to derive their effects on the sorption of hydrophobic organic pollutants
In this first phase the subproject HUMUS examined the binding of water in soil organic matter by thermoanalytic methods (in particular DSC). In addition, 1H NMR relaxation (subproject GEO) as well as kinetic studies of the release and swelling of soil organic matter were performed. Field experiments and microcosmic investigations of the research group were carried out in order to analyze the connection between the water binding in soil organic matter and other soil properties. The first phase has shown that besides the macromolecular properties of the organic matter, biofilms and the water repellency also represent important characteristics of a habitat.
Phase II
The subproject HUMUS aims to characterize the interaction between water and organic matter and to derive their effects on the sorption of hydrophobic organic pollutants. To understand the appearance of water repellency in its dynamics and spatial heterogeneity, the physical and chemical causalities are to be studied.
In collaboration with the subproject GEO, the 1H NMR relaxation will be used to investigate kinetics and mechanisms of wetting. In the second year there will be a focus on thermal and rheological properties of biofilms and their dependence on soil fauna, stress factors and xeno-(biotic) substances (subprojects MIKRO, FAUNA, KOLLOID and MOBIL).
Differential Scanning Calorimetry and Thermo-Mechanical analysis as well as rheological methods will be used to identify gel properties of biofilms. In the third year, the effects of water repellency and glass transition behavior on the sorption of an organic marker/pointer-pollutant will be examined. The results are to enter a model of the subproject SOIL.
Project Leaders
Prof. Dr. Gabriele E. Schaumann (Project leader)Prof. Dr. Wolfgang Rotard (Co-Applicant)
Publications
with peer-review
2010
2009
2007
2006
2005
2004
2001
2000
Other publications
2010
2006
2005
2004
2003
2002
2001
2000
Theses
Identifizierung und Charakterisierung amphiphiler grenzflächenaktiver Substanzen aus Bodenproben unterschiedlicher Benetzbarkeit
Diploma: Langbein, J. (2007), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and D. Diehl
The influence of amphiphilic substances on water repellency of effluent irrigated soils
Project: Görnitz, M. (2006), TU Berlin / Volcani Center, Rehovot, Israel-Environmental Chemistry. Adv: G. E. Schaumann and E. Graber
Untersuchung des Biofilmwachstums auf Aufwuchsmaterialien unterschiedlicher Textur
Diploma: Korn, H. (2006), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and E. Grohmann
Screening von Bakterienisolaten aus urbanen Böden auf Wachsabbau sowie phylogenetische Charaktersierung der Bakterien durch 16S rDNA Sequenzierung.
Project: Dunkelberg, E. (2005), TU Berlin-Environmental Microbiology. Adv: E. Grohmann and G. E. Schaumann
Einfluss von Biofilmen hydrophober und hydrophiler Bakterienisolate aus urbanen Standorten auf die Benetzbarkeit von Bodenproben
Diploma: Kirchner, D. (2005), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and E. Grohmann
Physikalische, chemische und biologische Einflussfaktoren für die Hydrophobizität auf urbanen Standorten (Physical, chemical and biological factors of influence for water repellency on urban sites)
Diploma: Bayer, J. V. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and E. Grohmann
Literaturstudie zu den Einflussfaktoren für die Hydrophobie in Böden
Diploma: Hapka, A. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Freisetzungskinetik organischer Substanzen aus hydrophoben und benetzbaren Proben urbaner Standorte
Diploma: Hobley, E. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann
Thermische und rheologische Eigenschaften von Biofilmen urbaner Mikroorganismengesellschaften aus Festbettreaktoren
Diploma: Klaucke, F. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann, E. Grohmann and W. Rotard
Bedeutung der Austrocknung und Wiederbefeuchtung für die Wasseraufnahme von Bodenproben und die Eigenschaften wasserextrahierbarer Substanzen
Project: Hobley, E. (2003), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Interactios between Soil Organic Matter and Water with special respect to the Glass Transition Behavior
PhD: Hurraß, J. (2006), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Influence of multivalent cations on glass transitions in precipitated dissolved organic matter
Diploma: Frank, J. (2005), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and F. Lang
Bleibindung in Waldbodenproben und ihre Beeinflussung durch die Vernetzung der organischen Bodensubstanz
Project: Rudolph, N. (2005), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann
Literaturstudie zu den Einflussfaktoren für die Hydrophobie in Böden
Diploma: Hapka, A. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Freisetzungskinetik organischer Substanzen aus hydrophoben und benetzbaren Proben urbaner Standorte
Diploma: Hobley, E. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann
Einfluss von Wasser und Quervernetzung durch Kationen auf makromolekulare Eigenschaften von Torf
Diploma: Rosenkranz, S. (2004), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Bedeutung der Austrocknung und Wiederbefeuchtung für die Wasseraufnahme von Bodenproben und die Eigenschaften wasserextrahierbarer Substanzen
Project: Hobley, E. (2003), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Einfluss von Mikroorganismen auf 1H-NMR-Messungen bei Wasseraufnahmeprozessen von Böden
Project: Jaeger, F. (2003), TU Berlin-Environmental Chemistry. Adv: G. E. Schaumann and W. Rotard
Staff
Phase I
Dipl.-Ing. Dörte Diehl (Scientific Assistant)
Dipl.-Biol. Burga Braun (Scientific Assistant)
Dr. Julia Hurraß (Scientific Assistant)
Niels Meyer (Student Assistant)
Julia Bayer (Student Assistant)
Stephan Bowe (Student Assistant)
Jennifer Frank (Student Assistant)
Jeannette Regnery (Technical Assistant)
Katharina Knobel (Technical Assistant)
Claudia Stoltz (Technical Assistant)
Phase II
Dr. Julia Hurraß (Scientific Assistant)
Janet Babatz (Student Assistant)
Fabian Jaeger (Student Assistant)
Eleanor Hobley (Student Assistant)
Julia Bayer (Student Assistant)
Jeannette Regnery (Technical Assistant)
Katharina Knobel (Technical Assistant)
Collaborations
- Prof. Dr. Eugene J. LeBoeuf, Vanderbilt University, Nashville, Tennessee, USA
- Prof. Dr. Gerd Wessolek, Dr. Heiner Stoffregen, TU Berlin, Dept. Soil Protection
- Prof. Dr. U. Yaramanci, Dr. Martin Müller, TU Berlin, Dept. Geophysics
- Prof. Dr. U. Szewzyk, PD Dr. Elisabeth Grohmann, Dr. Uta Boeckelmann,
TU Berlin, Dept. Environmental Microbiology
- PD Dr. Thorsten Reemtsma, Prof. Dr. Martin Jekel, TU Berlin, Dept. of Water Quality Control
- Prof. Dr. G. Weigmann, Dr. Silvia Pieper, FU Berlin, Dept. Zoology
Kontakt