Ionospheric local model and climatology from long-term databases of multiple incoherent scatter radars

• Published in: Geophysical Research Letters
• Main Authors: Zhang, Shun-Rong, Holt, John M., van Eyken, Anthony P., Mccready, Mary, Amory-Mazaudier, Christine, Fukao, Shoichiro, Sulzer, Michael
• Other Authors: MIT Haystack Observatory, Massachusetts Institute of Technology (MIT), EISCAT Scientific Association, SRI International Menlo Park (SRI), Centre d'étude des environnements terrestre et planétaires (CETP), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Research Institute for Sustainable Humanosphere (RISH), Kyoto University, Arecibo Observatory, National Astronomy and Ionosphere Center (NAIC), Cornell University New York
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2005
• Subjects: [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology; [SDE.MCG]Environmental Sciences/Global Changes; Svalbard; Tromsø
• Online Access: https://hal.sorbonne-universite.fr/hal-00968153; https://hal.sorbonne-universite.fr/hal-00968153/document; https://hal.sorbonne-universite.fr/hal-00968153/file/ActenA_48.pdf; https://doi.org/10.1029/2005GL023603

International audience Empirical ionospheric local models have been developed from long-term data sets of seven incoherent scatter radars spanning invariant latitudes from 25 to 75 in American, European and Asian longitudes at Svalbard, Tromsø, Sondrestrom, Millstone Hill, St. Santin, Arecibo and Shigaraki. These models, as important complements to global models, represent electron density, ion and electron temperatures, and ion drifts in the E and F regions, giving a comprehensive quantitative description of ionospheric properties. A case study of annual ionospheric variations in electron density and ion temperature is presented based on some of these models. Clear latitudinal, longitudinal, and altitude dependency of annual and semiannual components are found.