Diurnal and annual cycles
Competence frameworks for the built environment – Core criteria for sustainability competence - Code of practice , Version 3, published by the Edge for the Construction Industry Council in February 2025, defines diurnal and annual cycles as: ‘patterns that recur every 24 hours (diurnal) or every year (annual) typically describing phenomena such as changes in levels of daylight, temperature, rainfall, CO2 or biological activity.’
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