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Spatio-temporal influence of solar activity on global air temperature

Autor: Ogunjo, S. T., Rabiu, A. B.

Previous studies on the impact and influence of solar activity on terrestrial weather has yielded contradictory results in literature. Present study presents, on a global scale, the correlation between surface air temperature and two solar activity i

Externí odkaz: http://arxiv.org/abs/2305.17988

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Chaos suppression in fractional order systems using state-dependent noise

Autor: Adelakun, A. O., Ogunjo, S. T., Fuwape, I. A.

Publikováno v: SN Applied Sciences 2019

Noise play a creative role in the evolution of periodic and complex systems which are essential for continuous performance of the system. The interaction of noise generated within one component of a chaotic system with other component in a linear or

Externí odkaz: http://arxiv.org/abs/1902.05526

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Modeling of raining season onset and cessation of tropical rainfall for climate change adaptation in Agriculture

Autor: Fuwape, I. A., Ogunjo, S. T.

This study investigates the trend in Rainfall Onset Dates (ROD), Rainfall Cessation Dates (RCD), Length of Growing Seasons (LGS) and Rainfall Amount at Onset of Rainfall (RAO) using linear regression, Mann-Kendall, Sen Slope and Hurst Exponent for fo

Externí odkaz: http://arxiv.org/abs/1811.09677

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Modified hybrid combination synchronization of chaotic fractional order systems

Autor: Ojo, K. S., Ogunjo, S. T., Fuwape, I. A.

The paper investigates a new hybrid synchronization called modified hybrid synchronization (MHS) via the active control technique. Using the active control technique, stable controllers which enable the realization of the coexistence of complete sync

Externí odkaz: http://arxiv.org/abs/1809.09576

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Akademický článek

Nonlinear and multifractal detrended fluctuation analysis of radon time series in a volcanic touristic cave.

Autor: Ogunjo S; Department of Physics, Federal University of Technology Akure, Ondo State, Nigeria., Martín-Luis MC; Departamento de Biología Animal, Edafología y Geología, Facultad de Ciencias, Universidad de La Laguna, San Cristóbal de La Laguna, Spain., Martín González ME; Museo de Ciencias Naturales, Organismo Autónomo de Museos y Centros, Santa Cruz de Tenerife, Spain., López Pérez M; Laboratorio de Física Médica y Radioactividad Ambiental, SEGAI, Universidad de La Laguna, San Cristóbal de La Laguna, Spain., Salazar-Carballo PA; Laboratorio de Física Médica y Radioactividad Ambiental, SEGAI, Universidad de La Laguna, San Cristóbal de La Laguna, Spain; Departamento de Medicina Física y Farmacología, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain. Electronic address: psalazar@ull.edu.es.

Publikováno v: Journal of environmental radioactivity [J Environ Radioact] 2024 Dec; Vol. 280, pp. 107550. Date of Electronic Publication: 2024 Oct 13.

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Akademický článek

Time series analysis of a 22-year record of ⁷ Be, ²¹⁰ Pb and gross alpha activities in the Canary Islands (Spain) using Principal Component and Multifractal Detrended Fluctuation Analyses.

Autor: Salazar-Carballo PA; Departamento de Medicina Física y Farmacología, Facultad de Ciencias de la Salud, Universidad de La Laguna, San Cristóbal de La Laguna, Spain; Laboratorio de Física Médica y Radioactividad Ambiental, SEGAI, Universidad de La Laguna, San Cristóbal de La Laguna, Spain. Electronic address: psalazar@ull.edu.es., Ogunjo S; Department of Physics, Federal University of Technology Akure, Ondo State, Nigeria., Hernández F; Grupo de Observación de la Tierra y la Atmósfera, Universidad de La Laguna, Spain., Rodríguez-Marrero JL; Laboratorio de Física Médica y Radioactividad Ambiental, SEGAI, Universidad de La Laguna, San Cristóbal de La Laguna, Spain; Departamento de Química, Universidad de La Laguna, San Cristóbal de La Laguna, Spain., Catalán-Acosta A; Laboratorio de Física Médica y Radioactividad Ambiental, SEGAI, Universidad de La Laguna, San Cristóbal de La Laguna, Spain., López-Pérez M; Laboratorio de Física Médica y Radioactividad Ambiental, SEGAI, Universidad de La Laguna, San Cristóbal de La Laguna, Spain.

Publikováno v: The Science of the total environment [Sci Total Environ] 2024 Sep 10; Vol. 942, pp. 173637. Date of Electronic Publication: 2024 May 29.

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Akademický článek

The role of teleconnections and solar activity on the discharge of tropical river systems within the Niger basin.

Autor: Olusola A; Faculty of Environmental and Urban Change, York University, Toronto, Canada.; Applied Environmental Science Research Group, Federal University of Technology Akure, Akure, Nigeria., Ogunjo S; Physics Department, Federal University of Technology Akure, Ilesha-Owo Expressway, Akure, 340001, Ondo State, Nigeria. stogunjo@futa.edu.ng.; Applied Environmental Science Research Group, Federal University of Technology Akure, Akure, Nigeria. stogunjo@futa.edu.ng., Olusegun C; Doctoral Research Program - West African Climate System (DRP-WACS), West African Science Service Centre on Climate Change and Adapted Land Use (WASCAL), Federal University of Technology, Ilesha-Owo Expressway, Akure, 340001, Ondo State, Nigeria.; Faculty of Physics, University of Warsaw, ul. Pasteura 5, Warsaw, 02-093, Warsaw, Poland.; Applied Environmental Science Research Group, Federal University of Technology Akure, Akure, Nigeria.

Publikováno v: Environmental monitoring and assessment [Environ Monit Assess] 2023 Mar 17; Vol. 195 (4), pp. 476. Date of Electronic Publication: 2023 Mar 17.

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Akademický článek

Impact of global financial crisis on the complexity of emerging markets: Case study of the Nigerian Stock Exchange.

Autor: Ogunjo, S T¹ (AUTHOR) stogunjo@futa.edu.ng, Fuwape, I A^1,2 (AUTHOR), Temiye, M O¹ (AUTHOR)

Publikováno v: Pramana: Journal of Physics. Dec2021, Vol. 95 Issue 4, p1-9. 9p.

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