UID:
kobvindex_GFZ20230829132122
Format:
ii, 62 Seiten
,
Illustrationen
Note:
Contents
Summary
Introduction
Material and Methods
2.1 Experimental Approach and Concept
2.2 Cold Chamber Experiments
2.2.1 Packed Sand Columns
2.2.2 Undisturbed Soil Monolith
2.3 Tracer Extraction and Determination of Tracer Concentrations
2.4 Digital Image Analysis
2.4.1 Photographic Recording
2.4.2 Image Analysis
2.4.3 Statistical Regression Analysis
2.5 Fluorescence Imaging
2.6 Low-Temperature SEM and X-Ray Analysis
2.7 Numerical Simulation
2.7.1 Model Description
2.7.2 Model Application
3 Results From Cold Chamber Experiments
3.1 Packed Sand Columns (Experiment I-III)
3.1.1 Infiltration Behaviour (Experiment I-III)
3.1.2 Dye Tracer Distribution (Experiment III)
3.1.3 Mass Recovery of Dye Tracers (Experiment III)
3.1.4 Vertical Distribution of Dye Tracers Determined From Large Sections (Experiment III)
3.2 Undisturbed Soil Monolith (Experiment IV)
3.2.1 Infiltration Behaviour
3.2.2 Dye Tracer Distributions
3.2.3 Mass Recovery of all Tracers Determined From Large Sections
3.2.4 Vertical Distribution of all Tracers Determined From Large Sections
4 Results From Low-Temperature SEM and X-Ray Analysis
4.1 Dry Sand and Loam
4.2 Wet Sand
4.3 Wet Loam
5 Modelling Results
5.1 Thermal Regime
5.2 Water Content Profile Before the Irrigation
5.3 Infiltration Behaviour
5.4 Water Content Profile After the Irrigation
5.5 Solute Transport
5.6 Energy Exchange at the Surface
6 Conclusions
6.1 Conclusions About the Methods
6.2 Conclusions About the Water Infiltration in Frozen Soil
List of Figures
List of Tables
Bibliography
Language:
English
Keywords:
Forschungsbericht