Impact of the total solar eclipse of 29 March 2006 on the surface energy fluxes at Ibadan, Nigeria

Nymphas, EF; Otunla, T. A.; Adeniyi, M. O.; Oladiran, E. O.

doi:10.1016/j.jastp.2012.02.024

Cited by 13 publications

(8 citation statements)

References 32 publications

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“…On July 2, when the eclipse started at 15:22:34 hr LT, R g recorded 236.029 (Wm -2 ), progressively decrease until the maximum eclipse to 0 (Wm -2 ) at 16:39:21 hr LT. Then, it slighty but steadily increased until coinciding with the usual R g behavior during sunset, almost coinciding with the end of the eclipse at 17:46:36 hr LT. R g then showd an equal percentage of reduction in line with the percentage the moon hid the sun during the first phase until totality at 100% darkness with 100% reduction of R g . Note that the changes recorded by SER are comparable to the results obtained by Founda et al [2007] during the total solar eclipse of in Greece, and by Nymphas et al [2012] during the same event in Nigeria, and with others studies (see Section 1).…”

Section: Data Analysis 41 Solar Radiationsupporting

confidence: 90%

“…For example, Ahrens et al [2001] presented a W S drop of ~-1 ms -1 during the solar eclipse of August 11, 1999 in Baden-Württemberg, Germany. During the same event, Aplin and Harrison [2003] reported a W S drop of -2 ms -1 with a shift in W D about 130° to 140°, in Camborne, U.K. Also, Nymphas et al [2012] reported drops of ~-1 ms -1 during the solar eclipse of , in Ibadan, Nigeria. Schulz et al [2017 observed W S drops of ~-1.5 ms -1 and W D changes from 180° to 225° during the total solar eclipse in Svalbard.…”

Section: Windmentioning

confidence: 86%

“…However, the response of the atmosphere to the sudden cut-off of solar radiation only for a few minutes is also of great interest for meteorologists, because such an event can produce disturbance in the atmosphere's dynamics that affect the Earth's environment and biological life [Nymphas et al, 2009]. From the meteorological point of view, these exceptional events have allowed studying the effect of the abrupt disappearance and reappearance of solar radiation on different atmospheric properties [Nymphas et al, 2012].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, Stankov et al [2017] examined the importance of geographical location and altitude from which the eclipse is observed to quantify the atmosphere's response to the eclipse's effects. Eclipse meteorology has been recorded mainly at geographical locations in Europe, North America, Asia [see Aplin et al, 2016, and references therein], and Africa [Nymphas et al, 2009[Nymphas et al, , 2012Ojobo et al, 2017], but for South America only scarce records exist [see Fernández et al, 1993Fernández et al, , 1996.…”

Section: Introductionmentioning

confidence: 99%

“…Besides, Nymphas et al [2009Nymphas et al [ , 2012 recorded changes in global radiation, net radiation, and surface energy fluxes during the total solar eclipse of March 29, 2006, in Nigeria. In other studies, Maturilli and Ritter [2016] employed the Baseline Surface Radiation Network station to record the surface radiation during the solar eclipse of March 20, 2015, in Ny-Ålesund (Svalbard), Norway. Schulz et al [2017] measured the surface energy fluxes during this eclipse in in the same location.…”

Section: Introductionmentioning

confidence: 99%

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Changes in meteorological parameters during the total solar eclipse of 2 July 2019 in La Serena, Chile

Lazzús

Vega-Jorquera

Pacheco

et al. 2022

Annals of Geophysics

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The first report on the changes in meteorological parameters during the total solar eclipse of July 2, 2019, in La Serena (Chile), is presented. The event could be observed from morning time on the east of New Zealand, in the South Pacific Ocean, to sunset time in Chile. Several meteorological properties such as global radiation Rg, net radiation Rn, reflected radiation Rr (in Wm–2/min), air temperature (TA in °C), relative humidity (RH in %), wind speed amplitude (WS in ms–1), and wind speed direction (WD in degrees), were recorded with La Serena weather station SER (29.827°S, 71.261°W, 28 masl) at 1‑minute time resolution. Importantly, SER was located at 40 km from the axis of the umbra that covered 201 km of width, where it reached 100% darkness at a magnitude of 1.009 during a clear-sky day. Under these auspicious conditions, we observed a rate of changes in the drop of the radiation components of 3.1, 2.4, and 0.5 (Wm–2/min) for Rg, Rn, and Rr, respectively, with a 100% reduction in the components of surface solar radiation (0 Wm–2) during totality. In addition, all components showed a ~34% energy loss during the eclipse in comparison with the day before the event. Also, the rate of changes of –3.3 °C in TA, +11% in RH, –1.11 ms–1 in WS, and 180° to 340° for WD in total synchrony with the passing of the moon in front of the sun, reaching respective peaks at ~5 min lag with respect to totality. Thus, our results show a progressive change in all meteorological parameters in total synchrony with the eclipse’s phases caused by the passing of the moon in front of the sun.

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Section: Data Analysis 41 Solar Radiationsupporting

confidence: 90%