PPT-` 5/1/23 1 Strong Aerosol Indirect Forcing from Increasing Low-cloud Coverage

Tianle Yuan UMBC GESTAR II NASA Goddard Space Flight Center Tianle Yuan MODISVIIRS STM 2023 5123 Tianle Yuan MODISVIIRS STM 2023 2 Acknowledgement Coauthors Hua Song. Investigate how pollution interacts with storm clouds and the impacts on the large-scale circulation and radiative forcing.. Research. Used . high-resolution, . cloud-resolving model to simulate two different types of storm systems at a regional scale: warm summer thunderstorms in southeastern China and cool, windy frontal systems on the Great Plains of . 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. 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. Clio Gielen. Michel Van Roozendael, . Francois Hendrick. , Caroline Fayt, . Christian Hermans, Gaia Pinardi, Didier Gilllotay, and Tim Vlemmix. + . Hugo . De Backer, . Veerle. De Bock, and Quentin . Parker MacCready, January 2011. Reference: . Admiralty Manual of Tides. , . Doodson. & Warburg, 1941, His Majesty’s Stationery Office. Orbital Force Balance. Tides are forced by the sun and moon, with similar physics. The Moon’s forcing is about twice that of the sun.. The SOCRATES Planning . Team. : . Greg . McFarquhar. (. mcfarq@atmos.uiuc.edu. ),. Roj. . Marchand. , . Robert . Wood, Chris . Bretherton. , Alain . Protat. , Patricia Quinn, Steven . Siems. , Simon Alexander, and Bob Weller. 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: . Betsy Berry and Jay Mace. University of . Utah. American Geophysical Union 2011 . Fall Meeting. More CCN→. more small droplets→ . less collision→ delayed raindrop formation . Smaller sizes are lofted higher where they freeze→ latent heat release leads to increased buoyancy and a stronger updraft. Mass Systems. Andrew Makepeace. Penn State Erie, The . Behrend. College. Advisor Dr. Joe . Previte. Forced Spring Mass System. m. y’’ + b y’ + k y = F(t). m. – mass. b. – friction constant. Matthew Toohey. 1. Kirstin . Krüger. 1,2. , . Claudia . Timmreck. 3. , . Hauke . Schmidt. 3. 1 . GEOMAR. , Helmholtz Centre for Ocean Research Kiel, Germany. 2 . Now at . University . of Oslo, Norway. Jón. Egill . Kristjánsson. (Univ. Oslo). Many thanks to: Alf . Kirkevåg. (. met.no. ), . Corinna. . Hoose. (Univ. Oslo), Leo Donner (GFDL). Problem Definition. Most GCMs give an aerosol indirect effect which is too high compared to results from residual calculations – . Betsy Berry and Jay Mace. University of . Utah. American Geophysical Union 2011 . Fall Meeting. More CCN→. more small droplets→ . less collision→ delayed raindrop formation . Smaller sizes are lofted higher where they freeze→ latent heat release leads to increased buoyancy and a stronger updraft. 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. . Spring Quarter 2015. Logistics. Class . webpage. . Class meets 1:30-2:50 Mondays and Wednesdays in Room 406, ATG Building. Instructor: . Prof. . Robert . Wood . [ATG . 718, Phone .