circadian rhythm

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Related to diurnal cycle: diurnal rhythm, Circadian cycle

circadian rhythm:

see rhythm, biologicalrhythm, biological,
cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the environment.
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circadian rhythm

[sər′kād·ē·ən ′rith·əm]
(physiology)
A self-sustained cycle of physiological changes that occurs over an approximately 24-hour cycle, generally synchronized to light-dark cycles in an organism's environment.
References in periodicals archive ?
The diurnal cycle of precipitation calculated for 2003-2013 was compared with the pluviographic records from May to October in 1991-2003.
The continental stations revealed a well-distinguished diurnal cycle of precipitation (Fig.
It was interesting that two maxima were revealed in the diurnal cycle of precipitation in autumn, at night and in the morning time (2-7 EET), and in the evening (18-22 EET).
The differences in the diurnal cycle of precipitation between these two periods are likely caused by the different lists of recording stations.
differences between the highest and the lowest mean hourly precipitation in the diurnal cycle, are presented in Table 1.
In summer, the diurnal cycle of precipitation in Estonia showed a clear afternoon-to-evening maximum period similar to other places in Europe, for example in Sweden (Devasthale & Norin 2014), Switzerland (Wuest et al.
The diurnal maxima, especially in the continental stations in spring and summer, were observed in the late afternoon to evening, following the diurnal cycle of air temperature.
The frequency, intensity, and diurnal cycle of precipitation in surface and satellite observations over low- and mid-latitudes.
Diurnal cycle of precipitation determined from the CMORPH high spatial and temporal resolution global precipitation analyses.
This data represent the best estimate characterization for how this coating absorbs and desorbs moisture during the diurnal cycle in the G90-cycle 3 exposure environment.
The current G90 cycle 1 moisture absorption behavior of the yellow auto basecoat-acrylic melamine clearcoat system observed in this study did not appear similar to the behavior observed outdoors in the southern Florida diurnal cycle.
The current G90 cycle 3 moisture absorption behavior of the yellow auto basecoat-acrylic melamine clearcoat system observed in this study appeared similar to the behavior observed outdoors in the southern Florida diurnal cycle.