Matches in SemOpenAlex for { <https://semopenalex.org/work/W2488974428> ?p ?o ?g. }
Showing items 1 to 62 of
62
with 100 items per page.
- W2488974428 endingPage "225" @default.
- W2488974428 startingPage "201" @default.
- W2488974428 abstract "As one moves upward in altitude in a planetary atmosphere, several important changes in composition and structure are apparent. Most notably, as a consequence of hydrostatic equilibrium, the gas density decreases, i.e. the air becomes “thinner”. The decrease in density is exponential and governed by a scale height which typically varies in the range of about 5–50 km. Concomitant with this density decrease, the atmosphere becomes increasingly transparent to shorter wavelengths in the solar (or stellar, for exoplanets) spectrum. These shorter wavelengths, typically in the mid, far, and eventually, extreme ultraviolet (MUV, FUV, and EUV respectively), can first dissociate and then at higher altitudes, ionize, various gases in the atmosphere and this alters the composition of the atmosphere. Furthermore, with decreasing density, the frequency of collisions between atmospheric molecules decreases to the point where bulk motions such as turbulence are no longer able to mix the atmosphere. Instead, molecular diffusion becomes the more rapid process and this also leads to a composition change whereby the lighter constituents, typically atomic species such as atomic oxygen, diffuse upwards more rapidly than their heavier counterparts such as O2, N2, or CO2. The region where the atmosphere is well mixed is known as the homosphere; the region where diffusive separation dominates is known as the heterosphere. Although this transition takes place over a range of altitudes, it is common to define some reference boundary altitude known as the homopause to divide the two regimes." @default.
- W2488974428 created "2016-08-23" @default.
- W2488974428 creator A5059578201 @default.
- W2488974428 creator A5091725125 @default.
- W2488974428 date "2016-03-05" @default.
- W2488974428 modified "2023-09-23" @default.
- W2488974428 title "Aeronomy of terrestrial upper atmospheres" @default.
- W2488974428 doi "https://doi.org/10.1017/cbo9781316106778.010" @default.
- W2488974428 hasPublicationYear "2016" @default.
- W2488974428 type Work @default.
- W2488974428 sameAs 2488974428 @default.
- W2488974428 citedByCount "2" @default.
- W2488974428 countsByYear W24889744282019 @default.
- W2488974428 countsByYear W24889744282020 @default.
- W2488974428 crossrefType "book-chapter" @default.
- W2488974428 hasAuthorship W2488974428A5059578201 @default.
- W2488974428 hasAuthorship W2488974428A5091725125 @default.
- W2488974428 hasConcept C121332964 @default.
- W2488974428 hasConcept C145148216 @default.
- W2488974428 hasConcept C1489048 @default.
- W2488974428 hasConcept C153294291 @default.
- W2488974428 hasConcept C183191521 @default.
- W2488974428 hasConcept C185592680 @default.
- W2488974428 hasConcept C44870925 @default.
- W2488974428 hasConcept C62520636 @default.
- W2488974428 hasConcept C65440619 @default.
- W2488974428 hasConcept C69357855 @default.
- W2488974428 hasConcept C91586092 @default.
- W2488974428 hasConcept C97355855 @default.
- W2488974428 hasConcept C99521031 @default.
- W2488974428 hasConceptScore W2488974428C121332964 @default.
- W2488974428 hasConceptScore W2488974428C145148216 @default.
- W2488974428 hasConceptScore W2488974428C1489048 @default.
- W2488974428 hasConceptScore W2488974428C153294291 @default.
- W2488974428 hasConceptScore W2488974428C183191521 @default.
- W2488974428 hasConceptScore W2488974428C185592680 @default.
- W2488974428 hasConceptScore W2488974428C44870925 @default.
- W2488974428 hasConceptScore W2488974428C62520636 @default.
- W2488974428 hasConceptScore W2488974428C65440619 @default.
- W2488974428 hasConceptScore W2488974428C69357855 @default.
- W2488974428 hasConceptScore W2488974428C91586092 @default.
- W2488974428 hasConceptScore W2488974428C97355855 @default.
- W2488974428 hasConceptScore W2488974428C99521031 @default.
- W2488974428 hasLocation W24889744281 @default.
- W2488974428 hasOpenAccess W2488974428 @default.
- W2488974428 hasPrimaryLocation W24889744281 @default.
- W2488974428 hasRelatedWork W1985471241 @default.
- W2488974428 hasRelatedWork W2003792826 @default.
- W2488974428 hasRelatedWork W2009075203 @default.
- W2488974428 hasRelatedWork W2012858552 @default.
- W2488974428 hasRelatedWork W2013303634 @default.
- W2488974428 hasRelatedWork W2110045930 @default.
- W2488974428 hasRelatedWork W2110135928 @default.
- W2488974428 hasRelatedWork W2951029609 @default.
- W2488974428 hasRelatedWork W3159546524 @default.
- W2488974428 hasRelatedWork W4239793707 @default.
- W2488974428 isParatext "false" @default.
- W2488974428 isRetracted "false" @default.
- W2488974428 magId "2488974428" @default.
- W2488974428 workType "book-chapter" @default.