Recent Submissions
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Basement-Cover Relationships in the Dom Feliciano Belt
(2026-01-08)The interaction of the main cratons that constitute the present-day configuration of South America and Africa, together with several minor blocks, led to the amalgamation of Southwest Gondwana in the late Neoproterozoic, ... -
Climate dynamics across scales in a mountain landscape: Macro- and microclimatic modelling in the Río Puelo basin, northern Patagonia
(2025-11-26)Mountain forests in northern Patagonia are exposed to rapid climatic changes, with increasing temperatures, changing precipitation regimes, and more frequent and severe extreme events threatening their current structure ... -
Tracing volatile element fractionations in the early Solar System: Evidence from Ge isotopes in meteorites and planetary bodies
(2025-08-05)Volatile elements are variably depleted in all meteoritic and planetary materials, including Earth and other terrestrial planets, relative to the bulk solar composition. The origins and underlying mechanisms of these ... -
A Multi-Scale Assessment and Modeling of Water and Land Resources for Sustainability in the Lower Okavango River Basin: Integrating Climate Change, Land Use, and Hydrological Dynamics
(2025-07-11)This dissertation provides a multi-scale assessment and modeling of water and land resources within the Lower Okavango River Basin, aiming to foster sustainability by integrating the complex dynamics of climate change, ... -
Organic matter preservation in the presence of variable mineralogical matrices – clues to the interpretation of Precambrian biosignatures
(2025-05-09)Hydrothermal environments, such as terrestrial hot spring settings, harbored life on the early Earth. However, the scarcity of Precambrian rocks, particularly hydrothermal deposits, hinders the reconstruction of the ... -
Hydrogeological Insights into Complex Fractured-Porous Media and Karst Systems: Innovative Methods for Modeling, Characterization, and Environmental Assessment
(2025-03-07)This thesis provides an in-depth, multi-scale exploration of partially saturated flow and transport dynamics in complex porous-fractured systems and fracture networks. Focusing on the complexities of gravity-driven flows, ... -
Middle-class consumers and alternative food networks in Bengaluru, India: Exploring pathways for transition to sustainable diets
(2025-01-17)The urgency for transitions toward sustainable food systems that promote and support sustainable diets is of critical importance for both planetary and human health and wellbeing. Currently, food systems are responsible ... -
Seismically induced hydrologic responses: A comprehensive field, experimental and modeling study
(2025-01-07)Seismically induced hydrologic phenomena have been observed and documented for thousands of years. The studies of these phenomena are scientifically significant, providing a new perspective in understanding the interplay ... -
The onset of planet formation inferred from isotope anomalies in meteorites
(2024-12-18)Variations in the isotopic compositions of extraterrestrial samples provide important insights into the formation of planetesimals—the fundamental building blocks of planets. Particularly, isotopic anomalies of nucleosynthetic ... -
Evaluating the potential of I-type cosmic spherules as a proxy for the Δ’17O of atmospheric O2 for reconstructing paleo-CO2 levels and GPP throughout the Phanerozoic
(2024-12-09)Entirely molten micrometeorites, termed I-type cosmic spherules, are micrometer to millimeter-sized remnants of extraterrestrial Fe, Ni-rich metal that can be recovered on Earth. I-type cosmic spherules acquire all oxygen ... -
Static and Dynamic Reservoir Characterization of the Heterogeneous Upper Jurassic Carbonate Reservoir Beneath the German Alpine Foreland Basin: A case study on a Premature Thermal Breakthrough Southeast of Munich
(2024-11-12)This study investigates the causes of an unexpected Premature Thermal Breakthrough (PTB) in a geothermal doublet located southeast of Munich. The PTB occurred after only three years of operation, which contradicts previous ... -
Laboratory studies of partially saturated infiltration dynamics in analog fractured porous rock systems - under consideration of fracture-matrix interaction and network geometry
(2024-08-09)Fractured porous rocks are abundant groundwater reservoir formations often covered by a thick, unsaturated zone. The interplay between fractures and rock matrix can significantly impede infiltration, particularly when the ... -
Temporal-Spatial Variabilities and Influencing Factors of Terrestrial Wet-Dry States and Vegetation Development: A Case Study in Northeast China
(2024-08-05)The number of hydroclimate disasters has increased dramatically since the late 20th century with profound changes in the environment. The Meteorological Drought Index facilitates long-term monitoring of wet-dry trends and ... -
High‐precision Strontium Isotope Measurements - From the Early Solar System to the Age of the Moon
(2024-07-12)Variations in the isotopic composition of extraterrestrial rocks provide crucial information about the nature and evolution of planetary building blocks, the Earth, and the Moon. In this thesis, strontium isotopic compositions ... -
Water level response to harmonic disturbances in confined aquifers: modeling, global sensitivity, and applications
(2024-06-13)In well-aquifer system, oscillatory water levels are often observed in monitoring wells when the aquifer is perturbed by harmonic disturbances, such as oscillatory pumping, ocean tide and seismic waves. In general, the ... -
Development of experimental and numerical models to predict the behavior of Kinetic Interface Sensitive (KIS) tracers for multiphase flow in porous media systems - A novel reactive tracer to measure fluid-fluid interfacial area in both static and dynamic conditions
(2024-04-12)An important aspect of understanding the behavior of a two-phase flow system is detecting and measuring the Fluid-Fluid Interfacial Area (FIFA). For example, in underground Gas/Oil/CO2 storage where two phases can co-exist, ... -
Fundamental data and conceptual framework for the exploration of geothermal resources in the Himalaya-Karakoram Orogenic belt, northern Pakistan
(2024-04-08)Northern Pakistan lies within the collision zone of the Indian and Asian plates comprising Himalaya, Kohistan, and Karakoram, with numerous hot springs associated with the Himalayan Geothermal Belt, extending 3000 km along ... -
Loess-palaeosol sections along the Rhône Rift Valley (SE France) as Late Quaternary palaeoenvironmental archives
(2024-03-05)Loess-palaeosol sections (LPSs) represent ideal archives for gaining knowledge of past climatic conditions and changes, as their intermediate loess deposits and buried palaeosols reflect climate conditions of their ... -
Effects of solid additives and inorganic ligands on the efficiency of metallic iron- based water treatment system
(2024-02-23)Metallic iron (Fe0) or zero-valent iron (ZVI) has been extensively used for water remediation during the past three decades. It has been proven to be effective in treating waters polluted with chlorinated aliphatics, dyes, ... -
Classification of main irrigated crop types towards sustainable development using Landsat and Sentinel data by GIS and remote sensing techniques in a semi-arid area in Tashkent Province, Uzbekistan
(2024-02-02)As the world population increases and cropland expansion occurs, there will be a high need in the food supply soon which will require higher agricultural yields. Crop yield estimation, management, and production assessments ...