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| 1. | Continuous soil moisture measurements recorded at several depths for several sites in the Cuvelai-Etosha Basin |
| 2. | Video: Lateral inflow into well at Omusati region |
| 3. | Calibrated Hydrus1D Model for Eastern Sand Zone Site |
| 4. | In-situ unsaturated zone stable water isotope (2H and 18O) measurements in semi-arid environments using tunable off-axis integrated cavity output spectroscopy |
| 5. | Quantitative studies along the soil – vegetation – atmosphere interface of water – limited environments: practice-oriented approaches based on stable water isotopes, modeling and multivariate analysis (PhD thesis) |
| 6. | Recharge estimation in a (semi-) arid environment using soil water balance, stable isotopes and modeling approaches (PhD thesis) |
| 7. | Modelling the response of stable isotope fractionation in soil water profiles with uncertainty (Master thesis)
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| 8. | Intercomparison of laboratory techniques for determination of stable isotopes in soil water. University of Darmstadt (Master thesis) |
| 9. | Indirect groundwater recharge in the Cuvelai-Etosha Basin (CEB), Namibia. Investigating the importance of Oshanas, Deflation Pans and Ephemeral River Beds. (Master thesis) |
| 10. | Correction of GRACE data for the influence of surface water, soil and vegetation moisture. A case study on the quantification of groundwater recharge rates in the Cuvelai-Etosha-Basin (CEB), Namibia. (Master thesis) |
| 11. | Direct groundwater recharge in Cuvelai-Etosha-Basin (CEB), Namibia. The use of DAISY for modelling unsaturated zone water movement in a semiarid climate. (Master thesis) |
| 12. | A Deuterium-based labeling technique for the investigation of rooting depths, water uptake dynamics and unsaturated zone water transport in semiarid environments |
| 13. | Deuterium labeling for the estimation of annual groundwater recharge in semi-arid regions |
| 14. | Rainfall characteristics and their implications for groundwater recharge in deep vadose zones. A case study in the Cuvelai-Etosha Basin (CEB), Namibia. (Master thesis) |
| 15. | Mineral mediated isotope fractionation of soil water |
| 16. | Soil hydraulic properties for several sites in the Cuvelai-Etosha Basin |
| 17. | Review on soil water isotope-based groundwater recharge estimations |
| 18. | Isotope Hydrology for estimating groundwater recharge in water-limited environments: potential and limits (Isotopenhydrologische Methoden (2H, 18O) zur Bestimmung der Grundwasserneubildung in Trockengebieten: Potenzial und Grenzen) |
| 19. | Inverse modeling and uncertainty analysis of potential groundwater recharge to the confined semi-fossil Ohangwena II Aquifer, Namibia |
| 20. | Deep, semi-fossil aquifers in southern Africa: A synthesis of hydrogeological investigations in northern Namibia (SASSCAL Book, Biodiversity & Ecology 6) |