Αποτελέσματα Αναζήτησης
8 Ιαν 2024 · Plasmas up to a kilometer in size, behaving similarly to multicellular organisms have been filmed on 10 separate NASA space shuttle missions, over 200 miles above Earth within the thermosphere.
Thermosphere and Ionosphere Definitions Thermosphere: • neutrals • Layers are divided based on temperature gradient • Starting from the coldest region at mesopause to several hundred km. Ionosphere: • plasma • Layers are divided based on plasma density • Starting from about 80 km to several hundred km. 8/10/22 2022 HSS 3
13 Μαΐ 2019 · What are the spatial and temporal scales and the variability of atmospheric waves in the thermosphere, what is their latitudinal structure, and what is their role in driving large-scale circulation in the mesosphere and lower thermosphere?
10 Οκτ 2024 · Since CO 2 plays a dominant role in driving long-term trends in the upper atmosphere, we will first review the evidence on trends in the atmospheric CO 2 concentration itself, with emphasis on the mesosphere and lower thermosphere. The following sections will then discuss long-term trends in the mesosphere, mesopause region, thermosphere, and ...
18 Αυγ 2021 · Recent notable results include direct measurements of eddy heat fluxes and thermal diffusion coefficients in the mesopause region (e.g., Guo et al. (2017)) and the discovery of neutral metal layers up to ∼ 200 km altitude in the thermosphere (e.g., Chu et al. (2011)).
27 Φεβ 2020 · Key Points. Winds and currents dependent on external drivers and internal processes need improved descriptions. Coupling to the magnetosphere should include hemispheric differences in energy and mass flow. Formation and evolution of multiscale structures require detailed investigation. Plain Language Summary.
1 Αυγ 2009 · The dominant dynamical feature in the E-region is the diurnal tide, and its seasonal, interannual, and daily variability are important factors in understanding the behavior of the ionosphere.
