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- Barabash, Victoria
(författare)
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ESRAD MST radar analysis of the waves
- 1998
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Ingår i: Proceedings of the 4th European Symposium on Stratospheric Ozone, Air Pollution Research Report 66, European Commision. ; , s. 70-73
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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- Barabash, Victoria
(författare)
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Wind profiling with ESRAD, the Esrange radar
- 1997
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Ingår i: Extended abstracts COST-76 Profiler Workshop. - Zürich : Eidgenössische Technische Hochschule (ETH), Institute for Atmospheric Science. ; , s. 70-73
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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- Belova, Evgenia, et al.
(författare)
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Polar Mesosphere Winter Echoes and their relation to infrasound
- 2020
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Konferensbidrag (refereegranskat)abstract
- Polar Mesosphere Winter Echoes (PMWE) are radar echoes that originate from the mesosphere at 50-80 km altitude and are observed with VHF radars during equinox and winter seasons. Strong PMWE are relatively rare phenomena, in most cases they are observed when the lower ionosphere displays high ionisation. Interpretations of observational results concerning PMWE are controversial and the origin of the echoes is still under debate. Especially intriguing is that in some cases of strong PMWE, the measured horizontal speeds of the radar reflecting structures can exceed 300 m/s. Radar reflection (scattering) by infrasound waves at frequencies below about 2 Hz was suggested in order to explain these observations. We will give recent examples of PMWE events of high horizontal speed as observed with the 52 MHz MST radar (ESRAD) located at Esrange (68°N, 21ºE) in northern Sweden. Together with this we will analyse infrasound measurements made at ground-based stations near Kiruna (67.5°N, 20.13ºE) and at the infrasound station IS37 (69°N, 18ºE) in Norway during these events. We discuss prospective relations between PMWE and the microbaroms that are generated by ocean swell in the North Atlantic.
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- Schilling, Klaus, et al.
(författare)
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Space Master : An International, Interdisciplinary Master in Space Science and Technology
- 2017
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The significant demand for aerospace engineers led 2005 to the foundation of the interdisciplinary program "SpaceMaster" by six European Universities. It was established in the European elite-program "Erasmus Mundus" to train talented young people in the challenging subject of space science and technology. The universities cooperate and contribute their special expertise to the courses in order to cover the broad interdisciplinary area of spacecraft design and space environment. In particular system design techniques are emphasized, which are of interest for a broad spectrum of industrial applications well beyond aerospace.The international dimension of this space education is reflected in the distribution of places for education: 1st semester in Würzburg (Germany), 2nd semester in Kiruna (Sweden), second year according to the desired specialization in one of the six partner European Universities. The successful students will receive double diploma from the two European Universities, where most credits were received. The student population is also very international: typically from about 600 applications 50 students are selected, half of them from Europe, the other half from outside Europe.The students are able to follow the more scientific tracks on space physics with an emphasis on instrumentation and astronomy, or atmospheric and planetary physics. The engineering tracks emphasize the design of spacecraft and mission realization. Here specifically the design of CanSats and educational CubeSats is used to complement the lectures by practical implementation aspects. For more than 10 years, the SpaceMaster-alumni encounter excellent career perspectives in industry, space agencies and research institutes.In this contribution the international university cooperation, the contents of the curriculum, as well as the specific challenges and acquired experiences in this international program are addressed.
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