Characterisation of freshly emitted mineral dust aerosols determined by scanning electron microscopy: insights from in situ measurements at source locations ...
Mineral dust is a key component of the Earth system, affecting the radiation balance, cloud properties, biogeochemical cycles and impacting atmospheric circulation, air quality, aviation, and solar energy generation. Understanding of these processes is currently limited by a lack of in situ measurem...
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| Format: | Thesis |
| Language: | unknown |
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UNSPECIFIED
2023
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| Online Access: | https://dx.doi.org/10.26083/tuprints-00024731 https://tuprints.ulb.tu-darmstadt.de/id/eprint/24731 |
| Summary: | Mineral dust is a key component of the Earth system, affecting the radiation balance, cloud properties, biogeochemical cycles and impacting atmospheric circulation, air quality, aviation, and solar energy generation. Understanding of these processes is currently limited by a lack of in situ measurements resulting in a large uncertainty in the chemical, microphysical, optical, and radiative properties of mineral dust. This thesis presents an analysis of dust measurements obtained during the FRontiers in dust minerAloGical coMposition and its Effects upoN climaTe (FRAGMENT) campaigns which took place in August-September 2019 over Southern Morocco and August-September 2021 over Iceland. Samples are collected for offline analysis using SEM/EDX and are used to provide insights into the chemical composition, particle size distribution (PSD), mixing state, and the shape and morphology of airborne dust. It focuses on the description and comparison of dust samples from northern Africa (Morocco) and high-latitude ... |
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