author = "Abdu, Mangalathayil Ali and Brum, Christiano G. M. and Batista, 
                         Paulo Prado and Gurubaran, Subramanian and Pancheva, Dora and 
                         Bageston, Jos{\'e} Valentin and Batista, Inez Staciarini and 
                         Takahashi, Hisao",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {SRI 
                         International} and {Instituto Nacional de Pesquisas Espaciais 
                         (INPE)} and {Indian Institute of Geomagnetism} and {Bulgarian 
                         Academy of Sciences} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)} and {Instituto Nacional de Pesquisas Espaciais 
                         (INPE)} and {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "Fast and ultrafast Kelvin wave modulations of the equatorial 
                         evening F region vertical drift and spread F development",
              journal = "Earth, Planets and Space",
                 year = "2015",
               volume = "67",
               number = "1",
             abstract = "In this paper, we investigate the role of eastward and upward 
                         propagating fast (FK) and ultrafast Kelvin (UFK) waves in the 
                         day-to-day variability of equatorial evening prereversal vertical 
                         drift and post sunset generation of spread F/plasma bubble 
                         irregularities. Meteor wind data from Cariri and Cachoeira 
                         Paulista (Brazil) and medium frequency (MF) radar wind data from 
                         Tirunelveli (India) are analyzed together with 
                         Thermosphere-Ionosphere-Mesosphere Energetics and 
                         Dynamics/Sounding of the Atmosphere using Broadband Emission 
                         Radiometry (TIMED/SABER) temperature in the 40- to 100-km region 
                         to characterize the zonal and vertical propagations of these 
                         waves. Also analyzed are the F region evening vertical drift and 
                         spread F (ESF) development features as diagnosed by Digisonde 
                         (Lowell Digisonde International, LLC, Lowell, MA, USA) operated at 
                         Fortaleza and Sao Luis in Brazil. The SABER temperature data 
                         permitted determination of the upward propagation characteristics 
                         of the FK (E1) waves with propagation speed in the range of 4 
                         km/day. The radar mesosphere and lower thermosphere (MLT) winds in 
                         the widely separated longitude sectors have yielded the eastward 
                         phase velocity of both the FK and UFK waves. The vertical 
                         propagation of these waves cause strong oscillation in the F 
                         region evening prereversal vertical drift, observed for the first 
                         time at both FK and UFK periodicities. A delay of a few 
                         (approximately 10) days is observed in the F region vertical drift 
                         perturbation with respect to the corresponding FK/UFK zonal wind 
                         oscillations, or temperature oscillations in the MLT region, which 
                         has permitted a direct identification of the sunset electrodynamic 
                         coupling process as being responsible for the generation of the 
                         FK/UFK-induced vertical drift oscillation. The vertical drift 
                         oscillations are found to cause significant modulation in the 
                         spread F/plasma bubble irregularity development. The overall 
                         results highlight the role of FK/UFK waves in the day-to-day 
                         variability of the ESF in its occurrence season.",
                  doi = "10.1186/s40623-014-0143-5",
                  url = "http://dx.doi.org/10.1186/s40623-014-0143-5",
                 issn = "1343-8832",
             language = "en",
        urlaccessdate = "27 jan. 2021"