How often did Charles Keeling collect samples of carbon dioxide at the Mauna Loa Observatory?

Charles Keeling collected samples of carbon dioxide at the Mauna Loa Observatory on a regular basis. Here is a step-by-step breakdown of how often he collected these samples:

1. Daily Collection: Keeling's team collected air samples daily. This consistent collection was crucial for obtaining accurate and reliable data on atmospheric carbon dioxide levels.

2. Continuous Monitoring: In addition to daily samples, the observatory also used continuous monitoring equipment to measure carbon dioxide levels. This equipment provided real-time data and helped to identify any short-term fluctuations in carbon dioxide concentrations.

3. Long-Term Data Collection: Keeling's efforts were part of a long-term study that began in 1958 and continues to this day. The continuous and daily collection of data over decades has provided invaluable insights into the trends and patterns of atmospheric carbon dioxide levels.

In summary, Charles Keeling's team collected carbon dioxide samples daily at the Mauna Loa Observatory, supplemented by continuous monitoring to ensure comprehensive and accurate data collection.