PPT-Aerosol-cloud-precipitation interactions in warm clouds: is

Photograph Tony Clarke VOCALS REx flight RF07 Robert Wood University of Washington with Rhea George Chris Terai Dave Leon Jeff Snider or Control of cloud droplet concentration in marine stratocumulus clouds. Orographic. Precipitation. William R Cotton. Dept of Atmospheric Science. Colorado State University. In the case of wintertime . orographic. clouds, we expect that increased concentrations of CCN will increase the cloud droplet number concentration, reduce cloud droplet diameters, reduce riming growth of ice, and thereby reduce precipitation. . and Modeling of the Green Ocean . Amazon. . Green . Ocean Amazon . 2014. . GoAmazon2014. . Carbon Cycle Cloud Life Cycle Aerosol Life Cycle. Climate. Ecosystems. Atmospheric Composition. Robert Wood. , Matthew . Wyant. , Christopher S. . Bretherton. , Jasmine . Rémillard. , . Pavlos. . Kollias. , Jennifer Fletcher, Jayson . Stemmler. ,. . S. . deSzoeke. , Sandra . Yuter. , Matthew Miller, David . Robert Wood. University of Washington. W. ith contributions . from . Eowyn. Baughman, Dan . Grosvenor, Daniel McCoy, Chris . Terai. , Matt . Lebsock. , Dave Leon, Jeff Snider, Tony . Clarke, . Duli. Parameters. Jay Mace. Trevor Ferguson. Stephanie . Avey. Steve Cooper. Photo Credit: . patternsofnature.files.wordpress.com. e.. f.. The Southern Ocean is one of the cloudiest regions on Earth…. … and primarily populated by geometrically thin layers based in the boundary layer.. Two key impacts. Cloud feedback. Response of clouds to increased CO. 2. Aerosol indirect effects (AIEs). Response of clouds to changes in aerosol particles. Cloud feedbacks. Uncertainty in cloud feedbacks is main source of uncertainty in climate sensitivity. Robert Wood. University of Washington. Radiative. “forcing” components. Cloud effects. Direct . Twomey. Mixed ph.. Semi-dir 2. nd. AIE. t. cld. .  . N. d. William R. . Cotton. Dept. of Atmospheric Science. Colorado State University. Outline. My background. Lessons learned from Cloud seeding . Engineering clouds and climate. Social/political reactions to cloud seeding and likely response to climate engineering. Presented by Lorraine A. Remer. NASA/Goddard Space Flight Center. Basis of remote sensing. Remote sensing of clouds and aerosols. Observations of aerosol modification of cloud microphysics. 3.1 Explanation. ACE is presently in pre-formulation and will be realized in some form in the early to mid . ’. 20s. . ACE is a response to the . The extreme sensitivity of the climate system to hydrological processes especially clouds and precipitation. Aerosol-Cloud-Climate Interactions. . Spring Quarter 2015. Logistics. Class . webpage. . Class meets 1:30-2:50 Mondays and Wednesdays in Room 406, ATG Building. Instructor: . Deliberate Cloud Seeding. Cloud Seeding. Deliberate cloud seeding, with the goal of increasing precipitation by the injection of specific types of particles into clouds, has been pursued for over 60 years. . of. aerosols over clouds . and. clear skies determined using CALIPSO . and. the A-Train. Robert Wood. , . Duli. . Chand. , Tad Anderson. University of Washington. VOCALS RF04, 21 November 2008. Effect of aerosol layer on TOA SW radiation. Artificial rain making.. Process of Precipitation:. Precipitation is caused by condensation of water . vapours. of the air mass. . The ascending air mass with sufficient amount of water . vapours. becomes saturated due to adiabatic cooling. Condensation of water .