Mostrar el registro sencillo del ítem Fesen, C. G. Hysell, D. L. Meriwether, J. M. Mendillo, M. Fejer, B. G. Roble, R. G. Reinisch, B. W. Biondi, M. A. 2018-07-13T12:44:18Z 2018-07-13T12:44:18Z 2002-08
dc.identifier.citation Fesen, C. G., Hysell, D. L., Meriwether, J. M., Mendillo, M., Fejer, B. G., Roble, R. G., ... Biondi, M. A. (2002). Modeling the low-latitude thermosphere and ionosphere.==$Journal of Atmospheric and Solar-Terrestrial Physics, 64$==(12-14), 1337-1349. es_ES
dc.description.abstract The National Center for Atmospheric Research thermosphere/ionosphere/electrodynamic general circulation model (TIEGCM) is one of the few models that self-consistently solves the coupled equations for the neutral atmosphere and ionosphere. Timely questions are how well the TIEGCM currently simulates the low-latitude ionosphere and what modifications might bring about better predictions. Comparisons between data obtained in and around Jicamarca, Peru, near the magnetic equator, and simulations with the TIEGCM indicate good progress has been made but reveal some serious discrepancies. Good-to-excellent agreement is obtained for electron densities, electron and ion temperatures, and nmax. The agreement is fair to poor for hmax, zonal drifts, the oxygen nightglow, and the horizontal neutral winds. The most important discrepancy is in the simulated neutral temperature, which is at least too cold relative to Fabry–Perot interferometer observations. Increasing the EUV fluxes in the model to improve prediction of the model temperature also improves representation of airglow observations and of the ionosphere, for which the model typically underrepresents the electron densities. The disparity in neutral temperature is also present in comparisons with the empirical model MSIS which represents the largest database of thermospheric temperature measurements. Since the neutral and ionized atmospheres are tightly coupled at low latitudes, simultaneous measurements of neutral and ion parameters, preferably over an extended time period, would be invaluable to further the understanding of the region. Better knowledge of the EUV fluxes and the high altitude O+ fluxes may also help resolve some of the model/data discrepancies. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof urn:issn:1364-6826
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Modeling es_ES
dc.subject Thermosphere dynamics es_ES
dc.subject Ionosphere dynamics es_ES
dc.subject Low latitudes es_ES
dc.subject Electron densities es_ES
dc.title Modeling the low-latitude thermosphere and ionosphere es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde es_ES
dc.identifier.journal Journal of Atmospheric and Solar-Terrestrial Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi es_ES




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