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Research project (§ 26 & § 27)
Duration : 2014-08-28 - 2015-06-30

As a result of global warming increased exceptional floods and extreme heavy precipitation events take place. So the risk of remobilization of deposits increases. Subsequently radioactive heavily contaminated sediments can be mobilized. At LLC-Laboratory Arsenal radioactivity of the danube compartiments: water (dissolved radionuclides), suspended matter and sediment are continuously monitored based on monthly composite samples and event-related samples during floods since 1984. This is a unique Central European radioecological long time series of measurements. The continuation of this sampling and data collection is of great importance to meet future challenges in radiation protection with regard to potential large-scale environmental contamination.
Research project (§ 26 & § 27)
Duration : 2023-04-01 - 2026-03-31

The overall aim of this project is to provide practical guidance on the successful restoration of native forests in the Ethiopian highlands. To address this, we will use an approach that will strengthen the supply of native tree species, combined with investigations of establishment of this material in tree species diverse plantations. This will be realized by strengthening the national reproductive material supply by establishment of seedling seed orchards of the target species (Juniperus procera, Prunus africana, Podocarpus gracilior, Albizia gummifera, Olea europaea sub sp. cuspidata, Cordia africana, Millettia ferruginea), methods of vegetative propagation (primarily for Juniperus procera but also for other species), and investigation of the growth of the target species in the tree species diverse plots. In the plots, the mineral nutrient requirements tree species and plant protection methods to aid successful establishment will be addressed. The HIGH FIVE project will build on the experience and data gained in previous projects by the consortium, which is made up of two Austrian partners, the Federal Research and Training Centre for Forests, Natural Hazards and Landscape (BFW) and the University of Natural Resources and Life Science (BOKU), and the Ethiopian Forest Development agency (EFD) and Bahir Dar University (BDU) from Ethiopia, and the World Agroforestry Centre (ICRAF) from Kenya.
Research project (§ 26 & § 27)
Duration : 2023-09-18 - 2026-09-17

Our vision is to further develop the isotope-sample collection module for analysis with the more available laser based systems for isotope analysis. The idea is that system could fit on to any suitable commercially available drone or blimp and that could be controlled independently of the drone system. We have developed such a system for isotope ratio mass spectrometer systems in FFG projects Iso-2-Drone, but developing the system for laser would significantly improve the reach and applicability of the system. In the initial months the isotope-sample collection module will be constructed and programmed to fit a suitable commercially available drone or blimp; this will be an iterative process dependent on the method of sample collection. The specific objective of the project will be to develop an isotope-sample collection module to fit on to a commercially available drone or blimp. We will test whether the system can then be meshed with the CDR laser systems for isotope analysis. We have made a number of methodological improvements that would allow us to sample 18-O and the greenhouse gases CO2, Methane and nitrous oxide. We now seek to determine whether this would be possible on the CDRS system.

Supervised Theses and Dissertations