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

Effect of ship-stack effluents on cloud reflectivity.

J A Coakley, R L Bernstein, P A Durkee

    Science (New York, N.Y.)
    |August 28, 1987
    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

    Cardiac Transplants With Cyclosporin-A and Low-Dose Prednisone: Histologic Graduation of Rejection.

    Transplantation proceedings·2014
    Same author

    Amino-acid transport into cultured tobacco cells : III. Arginine transport.

    Planta·2013
    Same author

    Hip fracture in the elderly: the effect of anesthetic technique.

    Orthopedics·1999
    Same author

    Tongue rings: just say no.

    Anesthesiology·1998
    Same author

    Functional outcome after hip fracture. Effect of general versus regional anesthesia.

    Clinical orthopaedics and related research·1998
    Same author

    Does blood transfusion increase the risk of infection after hip fracture?

    Journal of orthopaedic trauma·1997
    Same journal

    Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

    Science (New York, N.Y.)·2026
    Same journal

    Local signals, systemic decline.

    Science (New York, N.Y.)·2026
    Same journal

    The mechanics of liver regeneration.

    Science (New York, N.Y.)·2026
    Same journal

    Computing in a memory with physics.

    Science (New York, N.Y.)·2026
    Same journal

    Retraction.

    Science (New York, N.Y.)·2026
    Same journal

    Making time.

    Science (New York, N.Y.)·2026
    See all related articles

    Ship-stack exhaust increases cloud reflectivity by adding cloud condensation nuclei, which alters droplet size and number. This aerosol effect significantly impacts Earth's albedo more than direct aerosol-light interactions.

    Area of Science:

    • Atmospheric Science
    • Cloud Physics
    • Remote Sensing

    Background:

    • Ship-stack exhaust releases aerosols, acting as cloud condensation nuclei (CCN).
    • Aerosols influence cloud properties like droplet size and number, affecting cloud reflectivity.
    • Previous studies suggest aerosols impact Earth's radiative balance, but direct cloud modification effects require further investigation.

    Purpose of the Study:

    • To investigate the impact of ship-stack exhaust aerosols on overlying cloud reflectivity.
    • To differentiate the effects of altered droplet size and number on cloud reflectance at various wavelengths.
    • To assess the significance of aerosol-cloud interactions on Earth's albedo.

    Main Methods:

    • Analysis of daytime satellite imagery at 3.7 and 0.63 micrometer wavelengths.

    Related Experiment Videos

  • Comparison of cloud reflectivity between ship-exhaust-contaminated clouds and nearby uncontaminated clouds.
  • Correlation of observed reflectivity changes with aerosol properties (droplet size and number).

    • Main Results:

    • Ship-stack exhaust was detected as enhanced cloud reflectivity at 3.7 micrometers under stable conditions.
    • Contaminated clouds showed increased droplet numbers and reduced droplet sizes.
    • Higher reflectivity at 0.63 micrometers was observed in contaminated clouds, despite potential visible light absorption by aerosols.

    Conclusions:

    • Ship-stack exhaust significantly modifies cloud reflectivity through aerosol-induced changes in droplet characteristics.
    • Aerosol-cloud interactions, particularly concerning droplet microphysics, have a substantial influence on Earth's albedo.
    • The observed effects highlight the importance of considering aerosol impacts on clouds for climate modeling.