gml.noaa.gov - Global Monitoring Laboratory - Carbon Cycle Greenhouse Gases

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https://gml.noaa.gov/ccgg/isotopes/chemistry.html

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The Global Monitoring Laboratory conducts research on greenhouse gas and carbon cycle feedbacks, changes in clouds, aerosols, and surface radiation, and recovery of stratospheric ozone.

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Global Monitoring Laboratory - Carbon Cycle Greenhouse Gases Search GML: Global Monitoring Laboratory Earth System Research Laboratories Menu Home About About GML Diversity, Equity, and Inclusion Science Reviews Safety Program Employment Visiting Contact Us Intranet People Organization Staff Staff by Division Employee Spotlight Research Research Overview Carbon Cycle Greenhouse Gases Greenhouse gases and Ozone-depleting Substances Ozone and Water Vapor Global Radiation, Aerosols and Clouds Publications Observing Networks Overview Observations Overview Measurement Sites Field Campaigns Atmospheric Baseline Observatories Observatory Operations Barrow, Alaska Mauna Loa, Hawaii American Samoa South Pole Observing Networks Greenhouse Gas Reference Network Halocarbons and Trace Gases Surface Radiation Federated Aerosol Network Ozone Water Vapor Data Data Browse Data Archive Search for Data Data by Research Program Measurement Sites ObsPack Tools Data Viewer Solar Calculator Visualization Data Visualization Pages South Pole Ozone Hole Products Products Greenhouse Gas Index Ozone Depletion Index Trends in CO2, CH4, N2O, SF6 CarbonTracker US Potent GHG Tracker ObsPack Mauna Loa Apparent Transmission Barrow Snow Melt Dates South Pole Ozone Hole Calibration Facilities WMO Central Calibration Laboratory Central UV Calibration Facility Broadband Solar Calibration Facility World Dobson Ozone Calibration Centre Information News Seminars Education/Outreach Student Opportunities FAQ's Publications Webcams South Pole Webcam Mauna Loa Webcams Barrow Webcam Global Monitoring Annual Conference The 52nd Conference will be held May 21 - 22, 2024 Search GML: Carbon Cycle Greenhouse Gases CCGG Stable Isotopes Home Sites Datasets Data Viewer News Reference Network About the Reference Network Cooperative Sampling Network In-Situ Measurements Aircraft Measurements AirCore Sampling System Data Data Summary Trends in CO2, CH.4, N2O, SF6 Observation Package Marine Boundary Layer Reference Products CarbonTracker CO2 CarbonTracker CH4 CarbonTracker Lagrange Greenhouse Gas Index Information Figures Education How CO2 is Measured Isotope Measurements WMO Standard Gas Comparisons Isotopes: The Basics Isotopic Fingerprints 14C and Fossil Fuels Stable Carbon and the Carbon Cycle Isotopes: The Data The Story From CO2 Samples Sampling Location What 14C Tells Us What 13C Tells Us Isotopes: The Measurements How We Get the Data Stable Isotope Mass Spectrometry Accelerator Mass Spectrometry for 14C Isotopes: Other Isotopes in the Atmosphere Their Individual Stories Isotopes: More Information Note to Educators: Meeting Earth Science Standards Contacts, Links & References Scientific Resources Isotopes: The Technical Details Chemistry Radioactive Decay Determining Delta Values Bomb 14C The Technical Details: Chemistry Composition of an Atom Atoms, which are the basic, fundamental unit of all matter, can differ greatly from one another. Although atoms are too small to see without using high-powered microscopes, they are composed of even smaller particles: protons, neutrons, and electrons. Electrons, which are extremely light, negatively-charged particles, orbit around a central mass–the nucleus of an atom. Atoms may gain or lose el

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