1978
DOI: 10.1038/272708a0
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Five-day oscillation in East African low-level jet

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Cited by 7 publications
(5 citation statements)
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“…Except for the diurnal variation (Ardanuy 1979, Rubenstein 1981, Peagle and Geisler 1986, which is of less interest here, a quasi-biweekly osciIlation was found by Krishnamurti and Bhalme (1976). Also a 5-day oscillation was found by Ngara and Asnani (1978), some support for this was also found by Krishnamurti and Bhalme (1976). Several studies have been devoted to the possible correlation between these oscillations and rainfall variations in western India (Raghavan et al, 1975, Findlater 1977, Cadet 1978b, Cadet and Desbois 1981.…”
Section: The Spatial Correlation Analysessupporting
confidence: 70%
“…Except for the diurnal variation (Ardanuy 1979, Rubenstein 1981, Peagle and Geisler 1986, which is of less interest here, a quasi-biweekly osciIlation was found by Krishnamurti and Bhalme (1976). Also a 5-day oscillation was found by Ngara and Asnani (1978), some support for this was also found by Krishnamurti and Bhalme (1976). Several studies have been devoted to the possible correlation between these oscillations and rainfall variations in western India (Raghavan et al, 1975, Findlater 1977, Cadet 1978b, Cadet and Desbois 1981.…”
Section: The Spatial Correlation Analysessupporting
confidence: 70%
“…Previous studies, (e.g. Krishnamurti et al 1976;Ngara and Asnani 1978) have also indicated the importance of orography on the EALLJ. Krishnamurti et al (1976) investigated the role of the Ethiopian highlands, the East African highlands, and the Madagascar Mountains on the East African lowlevel Jet.…”
Section: Observational Studiesmentioning
confidence: 82%
“…Unlike for West African midtropospheric jet, which is fundamentally related to the surface temperature and soil moisture distribution at the surface (Cook 1999) and perhaps modified by topography, the low-level jet streams over eastern Africa are forced mainly by the local orography (Krishnamurti et al 1976;Anderson 1976;Ngara and Asnani 1978;Bannon 1979, among others). A low-level jet is typically a thin stream of fastmoving air with maximum wind speeds of 10-20 m s Ϫ1 that is usually observed in the lowest 1-2 km of the atmosphere.…”
Section: Introductionmentioning
confidence: 99%
“…Later observational studies have shown that the low level jet exhibits diurnal variation in its intensity and altitude of the peak wind speeds [6,7,8]. Spectral analysis of the jet's intensity has demonstrated the existence of 4-5 day [9] and quasi-biweekly (~ 12 days) oscillations [10]. On the theoretical aspects of the jet, several…”
mentioning
confidence: 98%