释义 |
diurnal variation ThesaurusNoun | 1. | diurnal variation - fluctuations that occur during each dayvariation, fluctuation - an instance of change; the rate or magnitude of change |
diurnal variation
diurnal variation[dī′ərn·əl ‚ver·ē′ā·shən] (geophysics) Daily variations of the earth's magnetic field at a given point on the surface, with both solar and lunar periods having their source in the horizontal movements of air in the ionosphere. diurnal variation Related to diurnal variation: diurnal variation of temperatureWords related to diurnal variationnoun fluctuations that occur during each dayRelated Words |