Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Changing composition of the global stratosphere.

M B McElroy, R J Salawitch

    Science (New York, N.Y.)
    |February 10, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Reduced Complexity Model Intercomparison Project Phase 2: Synthesizing Earth System Knowledge for Probabilistic Climate Projections.

    Earth's future·2021
    Same author

    Fluxes of Atmospheric Greenhouse-Gases in Maryland (FLAGG-MD): Emissions of Carbon Dioxide in the Baltimore, MD-Washington, D.C. area.

    Journal of geophysical research. Atmospheres : JGR·2020
    Same author

    The Convective Transport of Active Species in the Tropics (CONTRAST) Experiment.

    Bulletin of the American Meteorological Society·2018
    Same author

    Quantifying stratospheric ozone in the upper troposphere with in situ measurements of HCl.

    Science (New York, N.Y.)·2004
    Same author

    The detection of large HNO3-containing particles in the winter Arctic stratosphere.

    Science (New York, N.Y.)·2001
    Same author

    Removal of Stratospheric O3 by Radicals: In Situ Measurements of OH, HO2, NO, NO2, ClO, and BrO.

    Science (New York, N.Y.)·1994

    Human activity impacts stratospheric chemistry, particularly ozone (O(3)) depletion over Antarctica due to halocarbons. Urgent emission reductions are needed to reverse this damage.

    Area of Science:

    • Atmospheric Chemistry
    • Stratospheric Science
    • Environmental Science

    Background:

    • Human activities have significantly influenced stratospheric chemistry.
    • Ozone (O(3)) levels are a key indicator of stratospheric health.
    • Understanding ozone depletion mechanisms is crucial for environmental protection.

    Purpose of the Study:

    • To review the current understanding of stratospheric chemistry.
    • To assess the influence of human activity on the stratosphere.
    • To investigate the causes and persistence of ozone depletion.

    Main Methods:

    • Review of existing scientific literature and models.
    • Comparison of model predictions with atmospheric measurements.
    • Analysis of chemical reaction pathways and catalytic cycles.

    Related Experiment Videos

    Main Results:

    • Models generally agree with mid-latitude stratospheric measurements, except for high-altitude ozone.
    • Ozone loss rates exceed production rates at 40 km, suggesting an unidentified ozone source.
    • Antarctic ozone depletion is primarily caused by halogen radicals and polar stratospheric clouds.

    Conclusions:

    • The Antarctic ozone depletion phenomenon is likely to persist without intervention.
    • Industrial halocarbon emissions are the main driver of stratospheric ozone damage.
    • Drastic reductions in halocarbon emissions are necessary to reverse ozone layer damage.