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Related Concept Videos

Global Climate Change01:50

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Related Experiment Video

Updated: Jul 12, 2026

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
06:27

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer

Published on: May 29, 2019

Aerosols and polar temperature changes.

R A Reck

    Science (New York, N.Y.)
    |May 16, 1975
    PubMed
    Summary

    Aerosols do not explain the current rise in Northern Hemisphere ice. Instead, these atmospheric particles appear to warm polar regions, with greater warming observed at the South Pole.

    Area of Science:

    • Atmospheric science
    • Climate science
    • Polar research

    Background:

    • Understanding the drivers of polar ice changes is crucial for climate modeling.
    • The role of atmospheric aerosols in polar climate dynamics requires further investigation.

    Purpose of the Study:

    • To determine if aerosols are the cause of increased Northern Hemisphere ice.
    • To investigate the atmospheric temperature effects of aerosols in polar regions.

    Main Methods:

    • Utilized computational calculations to model aerosol impacts.
    • Analyzed aerosol density at high latitudes (85°S and 85°N).

    Main Results:

    • Calculations show aerosols are not directly responsible for increased Northern Hemisphere ice.

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    Last Updated: Jul 12, 2026

    Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
    06:27

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    Published on: May 29, 2019

    Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
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    Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions

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  • Aerosols were found to cause atmospheric heating near the poles.
  • A 0.2 K temperature increase was observed at 85°S due to background aerosol density.
  • A 0.05 K temperature increase was observed at 85°N due to background aerosol density.

    • Conclusions:

    • Aerosols do not directly cause the observed increase in Northern Hemisphere ice.
    • Aerosols contribute to polar atmospheric warming, with a more significant effect in the Southern Hemisphere polar region.