Temporal and spatial metal contamination trends in the Estrela River Basin, Guanabara Bay, Brazil

Key Points

• Metal contamination varies significantly both over time and location in the Estrela River Basin, indicating potential environmental risks.
• Contamination levels were assessed across multiple sites and time points, revealing important data for future studies.
• This analysis utilizes environmental monitoring techniques to evaluate the spatial distribution of metals in the river.
• Understanding these trends is critical for managing pollution in sensitive ecological areas like Guanabara Bay.