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CO₂ Levels 

Understanding carbon dioxide (CO₂) movement between the ocean and atmosphere is vital for addressing climate change. Since 2020, scientists have been monitoring this interaction to learn how the ocean absorbs CO₂ from human activities and natural sources. This information helps us grasp the ocean's significant role in reducing greenhouse gases and its impact on our climate. Below, you'll find detailed data on CO₂ movements and greenhouse gas measurements that provide valuable insights into our planet's health.

CO₂ Movement Overview

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From January 2020 to December 2022, scientists tracked how carbon dioxide (CO₂) moved between the ocean and the atmosphere every month near the equator. They used a computer model called ECCO-Darwin, which helps understand how the ocean absorbs CO₂ using physical and chemical data. This information is important because the ocean holds a lot of carbon, about 20 times more than the air and land combined. Since the industrial era, the ocean has absorbed about 40% of CO₂ emissions from fossil fuels.

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Detailed Data on CO₂ Movement

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  • Monitoring Period: January 2020 to December 2022

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  • Method: Monthly tracking of CO₂ fluxes between the ocean and atmosphere using the ECCO-Darwin model

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  • Location: Near the equator with a spatial resolution of roughly 1/3° x 1/3°.

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  • Data Measurement: CO₂ levels measured in millimoles of CO₂ per square meter per second (mmol CO₂/m²/s).

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  • Importance: The dataset provides a global view of how much CO₂ the ocean absorbs and is updated annually.

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Greenhouse Gas Monitoring Overview

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Since 1968, the Global Greenhouse Gas Reference Network (GGGRN) has been measuring greenhouse gases like carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O) in the atmosphere. This network is crucial for understanding climate change and helps scientists predict how these gases will impact our climate in the future.

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Detailed Data on Greenhouse Gases

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  • Monitoring Period: Since 1968

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  • Method: Continuous measurement stations and air sampling.

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  • Gas Measurements: CO₂, CH₄, N₂O reported in parts per million (ppm).

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  • Data Collection Frequency: Continuous monitoring provides hourly data, with daily and monthly averages.

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  • Key Locations: Four baseline observatories, eight tall towers, and over 50 regional sampling sites.

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  • Notable Station: Mauna Loa in Hawaii provides real-time data and was temporarily closed due to volcanic eruptions.

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