'Geos chem' diaporamas de présentation

Randall Martin

Applying Space-Based Measurements of Ultraviolet and Visible Radiation to Understand Tropospheric Composition. Randall Martin. With contributions from: Aaron Van Donkelaar, Rongming Hu (Dalhousie University) Chris Sioris, Kelly Chance (Smithsonian Astrophysical Observatory)

586 views • 34 slides

INTERCONTINENTAL TRANSPORT OF OZONE: LINKING AIR QUALITY AND CLIMATE ISSUES

INTERCONTINENTAL TRANSPORT OF OZONE: LINKING AIR QUALITY AND CLIMATE ISSUES. Daniel J. Jacob. WELL-DOCUMENTED TREND IN TROPOSPHERIC OZONE BACKGROUND OVER 20 th CENTURY models seem unable to reproduce it quantitatively. Observations from European mountain sites [Marenco et al., 1994].

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INTERCONTINENTAL TRANSPORT OF POLLUTION: POLICY IMPLICATIONS

NO x emissions (2000). INTERCONTINENTAL TRANSPORT OF POLLUTION: POLICY IMPLICATIONS. Daniel J. Jacob. with Rynda Hudman, Colette Heald, Duncan Fairlie, Rokjin Park, Solene Turquety, Arlene Fiore (now at GFDL), Qinbin Li (now at JPL). and support from EPRI, EPA, NOAA, NASA. Nitrogen

541 views • 34 slides

TROPOSPHERIC OZONE AS A CLIMATE GAS, AND SATELLITE OBSERVATIONS OF ITS PRECURSORS

TROPOSPHERIC OZONE AS A CLIMATE GAS, AND SATELLITE OBSERVATIONS OF ITS PRECURSORS. Daniel J. Jacob. CHEMISTRY, AEROSOLS, AND CLIMATE: TROPOSPHERIC UNIFIED SIMULATION (CACTUS). A NASA Interdisciplinary Science (IDS) investigation:

514 views • 31 slides

Determining emissions of environmentally important gases using data from aircraft and satellites

Determining emissions of environmentally important gases using data from aircraft and satellites. Paul Palmer. with Dorian Abbot, Arlene Fiore, Colette Heald, Daniel Jacob, Dylan Jones, Jennifer Logan, Loretta Mickley, Bob Yantosca Harvard University Randall Martin, Kelly Chance, Thomas Kurosu

347 views • 28 slides

GEO-CAPE Emissions Working Group

GEO-CAPE Emissions Working Group. What are the benefits of geostationary (GEO ) measurements for constraining emissions and chemical processes ?

324 views • 23 slides

Emerging issues in air quality

Emerging issues in air quality. Daniel J. Jacob. w ith Lin Zhang, Raluca Ellis, Fabien Paulot , Eloise Marais, Qiaoqiao Wang, Kevin Wecht , Alex Turner, Helen Amos, Hannah Horowitz. and Anne Perring , Joshua Schwartz, David Fahey (NOAA),

462 views • 23 slides

Ozone and Aerosols in US and East Asia between 2001 and 2002

Ozone and Aerosols in US and East Asia between 2001 and 2002. Yun-Fat Lam 1 , Joshua S. Fu 1 , Zuopan Li 1 , Carey Jang 2 , Rokjin Park 3 and Daniel J. Jacob 3. 1. The University of Tennessee, Knoxville 2. USEPA/Office of Air Quality Planning & Standards 3. Harvard University. GEOS-Chem

315 views • 21 slides

Assessment of the Potential of Observations from TES to Constrain Emissions of Carbon Monoxide

Assessment of the Potential of Observations from TES to Constrain Emissions of Carbon Monoxide. Dylan B. A. Jones, Paul I. Palmer, Daniel J. Jacob Division of Engineering and Applied Sciences, and Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA.

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483 views • 20 slides

Intercomparison of tropospheric ozone measurements from TES and OMI

Intercomparison of tropospheric ozone measurements from TES and OMI. Lin Zhang 1 , Daniel J. Jacob 1 , Xiong Liu 2,3 , Jennifer A. Logan 1 , and the TES Science Team. 1. Harvard University 2. GEST, UMBC 3. Harvard-Smithsonian Center for Astrophysics. TES Science Team Meeting (Feb.24, 2009).

306 views • 19 slides

Kumaresh Singh Department of Computer Science, Virginia Tech

Assimilating Tropospheric Emission Spectrometer profiles in GEOS-Chem. Kumaresh Singh Department of Computer Science, Virginia Tech Mohammed Jardak, Paul Eller, Adrian Sandu, Daven Henze, Kevin Bowmann, Dylan Jones, Changsub Shim. Motivation.

305 views • 17 slides

Sensitivity of U.S. Surface Ozone to Isoprene Emissions & Chemistry: An Application of the 1°x1 °

Sensitivity of U.S. Surface Ozone to Isoprene Emissions & Chemistry: An Application of the 1°x1 ° North American Nested GEOS-CHEM Model (v. 5-07-08). Arlene Fiore, Larry Horowitz, Drew Purves, Hiram Levy II, Mathew Evans, Yuxuan Wang, Qinbin Li and Bob Yantosca. GEOS-CHEM Meeting

271 views • 17 slides

Development, evaluation, and application of GEOS-Chem driven by CCSM3 meteorological fields Presenter: Daeok (Daniel) Youn Atmospheric Chemistry Modeling Group School of Earth and Environmental Sciences, Seoul National University, Seoul, 151-742, Korea, Republic of.

279 views • 16 slides

FACTORS CONTROLLING TROPOSPHERIC OZONE AND ITS COUPLING FROM REGIONAL TO GLOBAL SCALES

FACTORS CONTROLLING TROPOSPHERIC OZONE AND ITS COUPLING FROM REGIONAL TO GLOBAL SCALES. Daniel J. Jacob Harvard University. with support from NASA, NOAA, EPA, EPRI. GLOBAL BUDGET OF TROPOSPHERIC OZONE. Global sources and sinks, Tg O 3 yr -1 (GEOS-CHEM). O 2. h n. O 3. STRATOSPHERE.

418 views • 15 slides

Hiroshi Tanimoto National Institute for Environmental Studies, Japan In collaboration with

244 views • 12 slides

Satellite Remote Sensing of a Multipollutant Air Quality Health Index

Satellite Remote Sensing of a Multipollutant Air Quality Health Index. Randall Martin, Dalhousie and Harvard-Smithsonian Aaron van Donkelaar, Lok Lamsal, Dalhousie University Xiong Liu, NASA Goddard. Satellite Observations Provide Context to Ground-Based Measurements.

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What satellite and aircraft observations can tell us about the organic aerosol budget

What satellite and aircraft observations can tell us about the organic aerosol budget. Colette L. Heald. Acknowledgments: David Ridley, Easan Drury, Sonia Kreidenweis ,

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Organic Carbon during AMAZE-08: Preliminary model analysis

Organic Carbon during AMAZE-08: Preliminary model analysis. Colette L. Heald (heald@atmos.colostate.edu ). With observations from: Qi Chen & Scot Martin (Harvard University), Delphine Farmer & Jose Jimenez (CU Boulder), Thomas Karl & Alex Guenther (NCAR),

155 views • 7 slides

Koepke et al., [1997] Kaufman and Tanre [1997] Levy et al., [2004] Remer et al., [2006]

Using dynamic aerosol optical properties from a chemical transport model (CTM) to retrieve aerosol optical depths from MODIS reflectances over land. Fall AGU 2007 Abstract # A33C-1417.

234 views • 1 slides