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Ultrasensitive Detection of Isotopes (ULDETIS)

ULDETIS is a unique collaboration between geoscientists and nuclear physicists. It is de-signed to exploit the synergies expected from joining traditionally isolated, complementary specialist expertise in order to achieve common field-defining goals. The project aims to de-velop techniques to detect trace amounts of radioactive and non-radioactive isotopes and to apply them to fundamental and applied research questions. 

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Soil erosion, fallout radionuclides and wind

The conversion of natural vegetation to cropland enhances the erosion vulnerability by exposure of bare soil after deforestation. Especially in semi-arid to arid environments unconsolidated sediments are particularly susceptible to wind erosion during the prolonged dry seasons. 

We use fallout radionuclides – a product of the atmospheric nuclear weapon testing era of the 1950s and 1960s – to study the role of land use and management on soil erosion.