NeQuick bottomside analysis at low latitudes |
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| Affiliation: | 1. Aeronomy and Radiopropagation Laboratory, The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34014 Trieste, Italy;2. Faculty of Science, Department of Physics, University of Ilorin, P.M.B. 1515, Ilorin, Kware State, Nigeria;3. Department of Physics, Andhra University, Visakhapatnam 530003, India;4. Space Physics Laboratory, Vikram Sarabhai Space Center, Trivandrum, India;1. University of Rennes 1, Rennes, France;2. Institute of Atmospheric Physics of ASCR, Prague, Czech Republic;3. Instituto Nazionale di Geofisica e Vulcanologia, Rome, Italy;4. National Central University, Jungli City, Taiwan;1. China University of Petroleum, Qingdao, China;2. The Hong Kong Polytechnic University, Hong Kong;1. Frederick Research Center, Nicosia, Cyprus;2. Department of Physics, University of Crete, Heraklion, Crete, Greece;3. Institute of Space and Atmospheric Studies, University of Saskatchewan, Saskatoon, Canada;1. National Institute for Space Research, São José dos Campos, Sao Paulo, Brazil;2. Radar Space Sciences Laboratory, The Pennsylvania State University, 323 Electrical Engineering East, Pennsylvania, USA;3. Universidade Federal de Campina Grande, Campina Grande, Paraiba, Brazil;1. Department of Physics, Kebbi State University of Science and Technology, Aliero, Kebbi State, Nigeria;2. Department of Physics, University of Ilorin, Ilorin, Nigeria;3. Department of Industrial Physics, Landmark University, Kwara State, Nigeria;1. KTH Royal Institute of Technology, Space and Plasma Physics, School of Electrical Engineering, Stockholm, Sweden;2. Southwest Research Institute, San Antonio, TX, United States |
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| Abstract: | NeQuick ionospheric electron density model produces the full electron density profile in the ionosphere using the F2 layer peak values (foF2 and hmF2) as anchor points. Each part of the profile is modeled using Epstein layer formalism. Simple empirical relations are used to compute the thicknesses of each semi-Epstein layer. It has been observed that when NeQuick model is used to estimate total electron content at low latitudes the modeled values tend to underestimate the observed ones. Beside the F2 peak values, the most important profile parameter is the thickness of the F2 layer bottomside. The present study focuses on NeQuick model behavior at low latitudes comparing modeled profiles parameters with the ones extracted from experimental data mostly from African and Indian sector at different levels of solar activity and different time of the day. Possible model improvements are discussed. |
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