Multi-spatiotemporal scales exploration of dissolved oxygen fluctuation in lakes and reservoirs: Holistic comparison from hourly to yearly in a whole national view

Key Points

• Dissolved oxygen levels vary significantly between lakes and reservoirs throughout the year.
• Hourly to yearly assessments reveal 25% variation in oxygen levels under different conditions.
• Observational analysis across various locations examined spatiotemporal scales of oxygen fluctuation.
• Highlights the need for ongoing monitoring to maintain water quality and ecosystem health.