Earth  ID: 5007

Trends in Global Atmospheric Methane (CH₄)

Data Sources:

  • Trends in Athmospheric Methane by NOAA. The visualizations featured on this page utilize the complete record from the Globally averaged marine surface monthly mean data for the period July 1983-March 2022 (accessed: August 4, 2022). Within the data record the globally averaged monthly mean values are centered on the middle of each month and are represented in the visualization as the jagged/wavy Average line. The continuous line shows the long-term Trend, where the average seasonal cycle has been removed.

    Citation: Ed Dlugokencky, NOAA/GML (

    Citation: Dlugokencky, E. J., L. P. Steele, P. M. Lang, and K. A. Masarie (1994), The growth rate and distribution of atmospheric methane, J. Geophys. Res., 99, 17,021– 17,043, doi:10.1029/94JD01245.



Visualization Credits

Helen-Nicole Kostis (USRA): Lead Visualizer
Lesley Ott (NASA/GSFC): Lead Scientist
Laurence Schuler (ADNET Systems, Inc.): Technical Support
Ian Jones (ADNET Systems, Inc.): Technical Support
Eric Sokolowsky (Global Science and Technology, Inc.): Technical Support
Please give credit for this item to:
NASA's Scientific Visualization Studio

Science Paper:
Dlugokencky, E. J., L. P. Steele, P. M. Lang and K. A. Masarie, (1994), The growth rate and distribution of atmospheric methane, Journal of Geophysical Research, 99, D8, 17, doi:10.1029/94JD01245

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Data Used:
NOAA Globall Averaged Marine Surface Monthly Mean Data
NOAA/GML, Ed Dlugokencky,
Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

DLESE >> Atmospheric science
SVS >> Climate
DLESE >> Environmental science
SVS >> Methane
SVS >> Hyperwall
SVS >> Climate Change
SVS >> Greenhouse Gases
SVS >> Atmospheric Science
NASA Science >> Earth
SVS >> 4K
NASA Earth Science Focus Areas >> Atmospheric Composition
NASA Earth Science Focus Areas >> Climate Variability and Change