Kurzfassung

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...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.


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