Zobrazeno 1 - 10 of 34 pro vyhledávání: '"Dan Bergmann"'
1
Measurements and modeling of contemporary radiocarbon in the stratosphere
Autor: Philip Cameron-Smith, T. Guilderson, L. L. Comfort, Kristie A. Boering, Dan Bergmann, Elliot Atlas, Sue M. Schauffler, A. M. Kanu
Publikováno v: Geophysical Research Letters. 43:1399-1406
Measurements of the 14C content of carbon dioxide in air collected by high-altitude balloon flights in 2003–2005 reveal the contemporary radiocarbon distribution in the northern midlatitude stratosphere, four decades after the Limited Test Ban Trea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59e23922f797d4ff997a515857df80b6
https://doi.org/10.1002/2015gl066921
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3
Impacts of intercontinental transport of anthropogenic fine particulate matter on human mortality
Autor: J. Jason West, Arlene M. Fiore, Elina Marmer, Drew Shindell, Thomas Diehl, Frank Dentener, Toshihiko Takemura, Huisheng Bian, Susan C. Anenberg, Rokjin J. Park, Veronica Montanaro, Mian Chin, Peter Hess, Dan Bergmann, Hongbin Yu, Isabelle Bey, Michael Schulz
Publikováno v: Air Quality, Atmosphere & Health. 7:369-379
Fine particulate matter with diameter of 2.5 μm or less (PM2.5) is associated with premature mortality and can travel long distances, impacting air quality and health on intercontinental scales. We estimate the mortality impacts of 20 % anthropogeni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5caa705e785a6c88eb91385f274a645a
https://doi.org/10.1007/s11869-014-0248-9
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5
A multimodel assessment of the influence of regional anthropogenic emission reductions on aerosol direct radiative forcing and the role of intercontinental transport
Autor: J. Jason West, Michael Schulz, Isabelle Bey, Huisheng Bian, Gerd Forberth, Dan Bergmann, Qian Tan, Nicolas Bellouin, Thomas Diehl, Cynthia S. Atherton, Peter Hess, Hongbin Yu, Drew Shindell, Mian Chin, Toshihiko Takemura
Publikováno v: Journal of Geophysical Research: Atmospheres. 118:700-720
In this study, we assess changes of aerosol optical depth (AOD) and direct radiative forcing (DRF) in response to the reduction of anthropogenic emissions in four major pollution regions in the northern hemisphere by using results from 10 global chem
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a3ce925679bf850ff15f1fd2c2eb5db
https://doi.org/10.1029/2012jd018148
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7
Use of North American and European air quality networks to evaluate global chemistry–climate modeling of surface ozone
Autor: Michael J. Prather, Guang Zeng, Gregory Faluvegi, Kengo Sudo, Dan Bergmann, Béatrice Josse, Sarah A. Strode, Philip Cameron-Smith, Tatsuya Nagashima, David A. Plummer, Drew Shindell, Vaishali Naik, Larry W. Horowitz, Jordan L. Schnell
Publikováno v: Atmospheric Chemistry and Physics, vol 15, iss 18
Atmospheric Chemistry and Physics, Vol 15, Iss 18, Pp 10581-10596 (2015)
Schnell, JL; Prather, MJ; Josse, B; Naik, V; Horowitz, LW; Cameron-Smith, P; et al.(2015). Use of North American and European air quality networks to evaluate global chemistry-climate modeling of surface ozone. Atmospheric Chemistry and Physics, 15(18), 10581-10596. doi: 10.5194/acp-15-10581-2015. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/7dg105md
We test the current generation of global chemistry–climate models in their ability to simulate observed, present-day surface ozone. Models are evaluated against hourly surface ozone from 4217 stations in North America and Europe that are averaged o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::862e631b67ddc3886a2bfbe3c56dff69
https://escholarship.org/uc/item/7dg105md
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8
Designing optimal greenhouse gas observing networks that consider performance and cost
Autor: Ray F. Weiss, Heather Graven, Philip Cameron-Smith, T. Guilderson, Dan Bergmann, Ralph F. Keeling, Donald D. Lucas, C. Yver Kwok
Publikováno v: Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems, European Geosciences Union 2015, 4 (1), pp.121-137. ⟨10.5194/gi-4-121-2015⟩
Geoscientific Instrumentation, Methods and Data Systems, Vol 4, Iss 1, Pp 121-137 (2015)
Geoscientific Instrumentation, Methods and Data Systems, 2015, 4 (1), pp.121-137. ⟨10.5194/gi-4-121-2015⟩
Emission rates of greenhouse gases (GHGs) entering into the atmosphere can be inferred using mathematical inverse approaches that combine observations from a network of stations with forward atmospheric transport models. Some locations for collecting
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78e31a2980496928a81367c0ddcefad1
http://hdl.handle.net/10044/1/25618
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10
Interactive Photochemistry in Earth System Models to Assess Uncertainty in Ozone and Greenhouse Gases. Final report
Autor: Juno Hsu, Alex Veidenbaum, Alexandru Nicolau, Philip Cameron Smith, Michael J. Prather, Dan Bergmann
Atmospheric chemistry controls the abundances and hence climate forcing of important greenhouse gases including N2O, CH4, HFCs, CFCs, and O3. Attributing climate change to human activities requires, at a minimum, accurate models of the chemistry and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8eaeb1768982d40c51a98ee6a388978f
https://doi.org/10.2172/1163479
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