Modeling the relaxation of red sprite plasma
Red sprites consist of multiple ionised columns extending above a thunderstorm from ∼30 km to ∼90 km. Electron densities in these columns are very much larger than the ambient background, […]
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Read more of: Modeling the relaxation of red sprite plasma
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Atmospheric signals and characteristics of accumulation in Dronning Maud Land, Antarctica
Read more of: Atmospheric signals and characteristics of accumulation in Dronning Maud Land, AntarcticaWith the planned European Programme for Ice Coring in Antarctica in Dronning Maud Land it is important to understand the processes leading to accumulation for successful interpretation of core data. […]
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A very large scale flow burst observed by the SuperDARN radars
Read more of: A very large scale flow burst observed by the SuperDARN radarsWe examined the dynamics of the ionospheric plasma in the dayside sector by using the HF radar data at Iceland West and at Finland from 1100 to 1230 UT on […]
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Surface ablation rates on Moraine Corrie Glacier, Antarctica
Read more of: Surface ablation rates on Moraine Corrie Glacier, AntarcticaMoraine Corrie Glacier lies close to the UK summer station Fossil Bluff where meteorological measurements have been taken intermittently since 1961. The elevation of the glacier surface has been measured […]
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Relative abundance of large whales around South Georgia (1979–1998
Read more of: Relative abundance of large whales around South Georgia (1979–1998To assess large-whale stocks following the cessation of land-based South Georgia whaling in 1965, we report three independent sighting databases: a cruise in 1997, observations from Bird Island (NW of […]
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Photosynthetic responses of selected Antarctic plants to solar radiation in the southern maritime Antarctic
Read more of: Photosynthetic responses of selected Antarctic plants to solar radiation in the southern maritime AntarcticThe effects of UV-B exclusion and enhancement of solar radiation on photosynthesis of the two phanerogams which occur in the maritime Antarctic, Deschampsia antarctica and Colobanthus quitensis, and the moss […]
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Estimates of structural complexity in clonal plant morphology: comparisons of grazed and ungrazed Acaena magellanica rhizomes
Read more of: Estimates of structural complexity in clonal plant morphology: comparisons of grazed and ungrazed Acaena magellanica rhizomesThe aim of this study is to examine the information given by various indices of rhizome morphology that describe grazed and ungrazed rhizome systems of Acaena magellanica (Rosaceae). Internode lengths, […]
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Science goals and overview of the radiation belt storm probes (RBSP) energetic particle, composition, and thermal plasma (ECT) suite on NASA’s Van Allen Probes mission
Read more of: Science goals and overview of the radiation belt storm probes (RBSP) energetic particle, composition, and thermal plasma (ECT) suite on NASA’s Van Allen Probes missionThe Radiation Belt Storm Probes (RBSP)-Energetic Particle, Composition, and Thermal Plasma (ECT) suite contains an innovative complement of particle instruments to ensure the highest quality measurements ever made in the […]
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Modeling the ionospheric effects of ion and electron precipitation in the cusp
Read more of: Modeling the ionospheric effects of ion and electron precipitation in the cuspThe effect of increased ion production due to the precipitation of both ions and electrons in the cusp region has been studied using a computational model of the high-latitude ionosphere. […]
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Neoproterozoic extensional basic magmatism associated with the West Highland granite gneiss in the Moine Supergroup of NW Scotland
Read more of: Neoproterozoic extensional basic magmatism associated with the West Highland granite gneiss in the Moine Supergroup of NW ScotlandPre-tectonic metagabbroic rocks emplaced into the Glenfinnan and Loch Eil groups of the Moine Supergroup give a U–-Pb zircon age of 873 ± 6 Ma. This new age for the […]
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Monitoring spatial and temporal variations in the dayside plasmasphere using geomagnetic field line resonances
Read more of: Monitoring spatial and temporal variations in the dayside plasmasphere using geomagnetic field line resonancesIt is well known that the resonant frequency of geomagnetic field lines is determined by the magnetic field and plasma density. We used cross-phase and related methods to determine the […]