PPT-Limits to Aerosol Indirect Effects

Robert Wood Atmospheric Sciences University of Washington Motivation Aerosols can potentially influence earths radiation budget both by direct interaction with sunlight aerosol direct effect and also by altering cloud radiative properties aerosol . Jingqiu . Mao . (GFDL/NOAA), . Songmiao. Fan (. GFDL/NOAA), . Ying . Chen (. Fudan. U, China). A . dominant source of nutrient iron to open . ocean, critical for plankton in surface waters:. -Biological pump of CO2. resolved. aerosol microphysics on photochemistry. and . heterogeneous . chemistry. Gan. Luo and . Fangqun. Yu. ASRC, SUNY-Albany. 2015-5-4. Introduction. Aerosol. Micro. physics. Photo. chemistry. COD. Yi Ming. Geophysical . Fluid Dynamics Laboratory. Princeton, New Jersey. . Most anthropogenic aerosols are in the NH mid-latitudes and tropics. MODIS annual-mean aerosol optical depth (AOD). Will the response be confined locally?. eulerian. model WRF/. Chem. Paolo Tuccella, Gabriele Curci, . Suzanne. . Crumeyrolle. , Guido Visconti. Direct and . Indirect. aerosol . effects. Clean. Polluted. Direct . effect. Indirect. . effect. 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: . Riga, 12-13 April 2016. Type of indirect (negative) effects. What is the evidence by effect size and category of ALMPs ?. Content. Indirect effects of ALMPs/1 . The resources invested in the programme benefit individuals that would have been hired also in its absence. For example a training scheme targeting young graduates benefit . 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 – . Urgent Research Needs. James . Hansen*. 17 October 2018. AGU-CAS Meeting on Atmospheric PM. 2.5. *. Director, Climate Science, Awareness & Solutions, Columbia University Earth Institute. Aerosol Effects (Outline). . 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 . Axel Lauer, . Mattia . Righi, Veronika Eyring, and Johannes Hendricks. Deutsches . Zentrum für Luft- und Raumfahrt e.V. (DLR. ). , . Oberpfaffenhofen. , Germany. 27 May 2015. Scientific Questions. What . Sara Purdue and . Haviland. . Forrister. 1. Introduction. Direct effects: biomass burning aerosols absorb light (BC and . BrC. ) and scatter light (OA, sulfate). Semi-direct effects: heating effects of aerosols in and around clouds. Left: Image from Wikimedia Commons of one of the earliest known depictions of a food web, by Victor . Summerhayes & Charles Elton (1923) for Bear Island, Norway. Right: Provenance of “A simplified food web for Northwest Atlantic” unknown . Elisabeth Andrews. CATCOS Workshop, June 2016. What is climate?. Climate is the average weather. The standard averaging time for climate is 30 years. “Weather is what you’re wearing, climate is what’s in your closet”. Tianle Yuan. . UMBC - GESTAR II. NASA Goddard Space Flight Center. Tianle Yuan @ MODIS/VIIRS STM 2023. 5/1/23. Tianle Yuan @ MODIS/VIIRS STM 2023. 2. Acknowledgement:. Co-authors: . . Hua Song.