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Earth System Research Laboratory Methane Data
Data Science and Analytics
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About
Global atmospheric methane levels are monitored by the NOAA’s Earth System Research Laboratory through a distributed network of air sampling sites, establishing a vital record of greenhouse gas trends since 1983. The data represents a global average constructed by smoothing measurements from these sites and calculating means from latitude plots at equal time steps. Methane concentrations are reported as a "dry air mole fraction" in parts per billion (ppb), indicating the number of methane molecules per billion molecules of dry air after water vapour has been removed. This dataset is essential for analyzing long-term atmospheric changes and environmental pollution trends.
Columns
year: The calendar year of the observation, spanning from 1983 to 2023.month: The month of the observation, represented as an integer from 1 to 12.decimal: The date of observation expressed as a decimal value, combining the year and month fraction.average: The global mean concentration of Methane (CH4) measured in parts per billion (ppb).
Distribution
The dataset is formatted as a CSV file with a file size of approximately 12.23 kB. It contains 483 valid records with no missing or mismatched values, ensuring high data integrity for time-series analysis.
Usage
- Climate change modelling and long-term trend analysis.
- Academic research regarding atmospheric chemistry and greenhouse gases.
- Environmental policy assessment and pollution monitoring.
- Educational demonstrations of global warming indicators.
Coverage
- Geographic Scope: Global averages derived from a worldwide network of air sampling sites.
- Time Range: Monthly observations from 1983 to 2023.
- Demographic Scope: Not applicable (Atmospheric data).
License
CC0: Public Domain
Who Can Use It
- Climate Scientists
- Environmental Analysts
- Meteorologists
- Academic Researchers
- Data Scientists in the Energy Sector
Dataset Name Suggestions
- Global Monthly Methane (CH4) Trends (1983-2023)
- NOAA Global Atmospheric Methane Observations
- Monthly Global Mean Methane Concentrations
- Earth System Research Laboratory Methane Data
Attributes
Original Data Source: Earth System Research Laboratory Methane Data
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