Zobrazeno 1 - 10
of 187
pro vyhledávání: '"HISAO TAKAHASHI"'
Autor:
Toyese Tunde Ayorinde, Cristiano Max Wrasse, Hisao Takahashi, Diego Barros, Cosme Alexandre Oliveira Barros Figueiredo, Ligia Alves da silva, Anderson Vestena Bilibio
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-19 (2024)
Abstract The spatial and temporal variability of gravity waves (GWs) potential energy (Ep) over South America (SA) was examined by analyzing temperature profiles obtained through the utilization of Sounding of the Atmosphere using Broadband Emission
Externí odkaz:
https://doaj.org/article/285b5ad7b67b40339512bc36ab3367cb
Autor:
Toyese Tunde Ayorinde, Cristiano Max Wrasse, Hisao Takahashi, Diego Barros, Cosme Alexandre Oliveira Barros Figueiredo, Solomon Otoo Lomotey, Patrick Essien, Anderson Vestena Bilibio
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-19 (2023)
Abstract Using COSMIC-2 and METOP radio occultation measurements during the years 2020 and 2021, the study presents the first direct and independent relationship between the potential energy (Ep) in the stratosphere, precipitable water vapour (PWV),
Externí odkaz:
https://doaj.org/article/b739ea4539a246f49336ca7985089260
Autor:
Cosme Alexandre Oliveira Barros Figueiredo, Rodrigo A. Miranda, Cristiano Max Wrasse, Hisao Takahashi, Diego Barros, Fábio Egito, Geângelo de Matos Rosa, Antonio Hélder Rodrigues Sampaio
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-9 (2023)
Abstract Interaction between Equatorial Plasma Bubbles (EPBs) and midnight Brightness wave (MBW) was observed over Bom Jesus da Lapa (13.3° S, 43.5° W; Quasi-Dipole geomagnetic latitude of 14.1° S), using OI 630 nm all-sky images. On the night of
Externí odkaz:
https://doaj.org/article/b38e7a2a8aa84d49848ac591215ec271
Autor:
JOSÉ VALENTIN BAGESTON, CRISTIANO MAX WRASSE, GABRIEL AUGUSTO GIONGO, EMÍLIA CORREIA, COSME ALEXANDRE O.B. FIGUEIREDO, DELANO GOBBI, HISAO TAKAHASHI, PAULO P. BATISTA, RICARDO A.B. DA COSTA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract The thermal dynamics of the upper atmosphere, especially in the mesosphere, have been improving our understanding about the effects of climate change, as well as how the dynamics and general circulation in the upper atmosphere are driven by
Externí odkaz:
https://doaj.org/article/e74ea473e2e645f0b65b095606ea26a7
Autor:
Cristiano Max Wrasse, Cosme Alexandre Oliveira Barros Figueiredo, Diego Barros, Hisao Takahashi, Alexander José Carrasco, Luiz Fillip Rodrigues Vital, Láysa Cristina Araujo Resende, Fábio Egito, Geângelo de Matos Rosa, Antonio Hélder Rodrigues Sampaio
Publikováno v:
Earth and Planetary Physics, Vol 5, Iss 5, Pp 397-406 (2021)
OI 630.0 nm airglow observations, from a new observatory at Bom Jesus de Lapa, were used to study the interaction between EPBs (Equatorial Plasma Bubbles) and the MSTID (Medium-Scale Traveling Ionospheric Disturbance) over the Northeast region in Bra
Externí odkaz:
https://doaj.org/article/71e62dedc3ae4b57beb6a80ea008d2ac
Autor:
Patrick Essien, Cosme Alexandre Oliveira Barros Figueiredo, Hisao Takahashi, Nana Ama Browne Klutse, Cristiano Max Wrasse, João Maria de Sousa Afonso, David Pareja Quispe, Solomon Otoo Lomotey, Tunde Toyese Ayorinde, José H. A. Sobral, Moses Jojo Eghan, Samuel Sanko Sackey, Diego Barros, Anderson V. Bilibio, Francis Nkrumah, Kwesi Akumenyi Quagraine
Publikováno v:
Atmosphere, Vol 13, Iss 11, p 1836 (2022)
This paper presents the Intertropical Convergence Zone (ITCZ) as the possible source mechanism of the medium-scale traveling ionospheric disturbances (MSTIDs) propagating to the southeast direction over the South American region. Using the data colle
Externí odkaz:
https://doaj.org/article/189f1d21bdcf4330a11bb28dd460953f
Autor:
Hisao Takahashi, Cristiano Max Wrasse, Cosme Alexandre Oliveira Barros Figueiredo, Diego Barros, Mangalathayil Ali Abdu, Yuichi Otsuka, Kazuo Shiokawa
Publikováno v:
Progress in Earth and Planetary Science, Vol 5, Iss 1, Pp 1-13 (2018)
Abstract Occurrences of equatorial plasma bubbles (EPBs) and medium-scale traveling ionospheric disturbances (MSTIDs) were studied using GPS satellite data-based total electron content mapping, ionograms, and 630 nm all-sky airglow images observed ov
Externí odkaz:
https://doaj.org/article/956781570fd04f338732139853417d32
Autor:
Patrick Essien, Cosme Alexandre Oliveira Barros Figueiredo, Hisao Takahashi, Cristiano Max Wrasse, Diego Barros, Nana Ama Browne Klutse, Solomon Otoo Lomotey, Toyese Tunde Ayorinde, Delano Gobbi, Anderson V. Bilibio
Publikováno v:
Atmosphere, Vol 12, Iss 11, p 1409 (2021)
Using data collected by the GNSS dual-frequency receivers network, de-trended TEC maps were generated to identify and characterize the medium-scale traveling ionospheric disturbances (MSTIDs) over the South American equatorial region (latitude: 0∘
Externí odkaz:
https://doaj.org/article/2c71fabf067b4c51811378b2b7ce9399
Autor:
Takashi Nonaka, Masahiko Inamori, Yasushi Honda, Kenji Kanoshima, Yumi Inoh, Mizue Matsuura, Shiori Uchiyama, Eiji Sakai, Takuma Higurashi, Hidenori Ohkubo, Hiroshi Iida, Hiroki Endo, Koji Fujita, Akihiko Kusakabe, Kazuhiro Atsukawa, Hisao Takahashi, Yoko Tateishi, Shin Maeda, Kenichi Ohashi, Atsushi Nakajima
Publikováno v:
Endoscopy International Open, Vol 04, Iss 11, Pp E1203-E1210 (2016)
Background and study aims: The aim of this study was to investigate the capability of magnifying endoscopy with narrow-band imaging (ME-NBI) to discriminate between early carcinomas (EC) and low grade adenomas (LGA) in gastric superficial elevated ep
Externí odkaz:
https://doaj.org/article/0f80618400bb46c4a37f8d1cba91f73c
Autor:
Hisao Takahashi, C. A. O. B. Figueiredo, D. Barros, C. M. Wrasse, G. A. Giongo, R. H. Honda, L. F. R. Vital, L. C. A. Resende, P. K. Nyassor, T. T. Ayorinde, C. S. Carmo, M. B. Padua, Y. Otsuka
Publikováno v:
Earth, Planets and Space. 75
On January 15, 2022, we observed various unusual atmospheric wave events over South America: Atmospheric pressure waves (Lamb mode) around 12:30 to 17:30 UT, tsunamis along the Chilean coast at around 17:00 to 19:00 UT, and ionospheric disturbances b