Výsledky vyhledávání - "R. J. Salawitch"

Akademický článek

Application of Satellite‐Based Detections of Arctic Bromine Explosion Events Within GEOS‐Chem

Autor: P. A. Wales, C. A. Keller, K. E. Knowland, S. Pawson, S. Choi, F. Hendrick, M. VanRoozendael, R. J. Salawitch, R. Sulieman, W. F. Swanson

Publikováno v: Journal of Advances in Modeling Earth Systems, Vol 15, Iss 8, Pp n/a-n/a (2023)

Abstract During polar spring, periods of elevated tropospheric bromine drive near complete removal of surface ozone. These events impact the tropospheric oxidative capacity and are an area of active research with multiple approaches for representing

Externí odkaz: https://doaj.org/article/45fe26a54f41422eb58a0b7d93d4227c

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Akademický článek

Comparison of CMIP6 historical climate simulations and future projected warming to an empirical model of global climate

Autor: L. A. McBride, A. P. Hope, T. P. Canty, B. F. Bennett, W. R. Tribett, R. J. Salawitch

Publikováno v: Earth System Dynamics, Vol 12, Pp 545-579 (2021)

The sixth phase of the Coupled Model Intercomparison Project (CMIP6) is the latest modeling effort for general circulation models to simulate and project various aspects of climate change. Many of the general circulation models (GCMs) participating i

Externí odkaz: https://doaj.org/article/f0a6fd764d2e4fe5965baf2712378e34

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Akademický článek

Measurement report: Aircraft observations of ozone, nitrogen oxides, and volatile organic compounds over Hebei Province, China

Autor: S. E. Benish, H. He, X. Ren, S. J. Roberts, R. J. Salawitch, Z. Li, F. Wang, Y. Wang, F. Zhang, M. Shao, S. Lu, R. R. Dickerson

Publikováno v: Atmospheric Chemistry and Physics, Vol 20, Pp 14523-14545 (2020)

To provide insight into the planetary boundary layer (PBL) production of ozone (O3) over the North China Plain, the Air chemistry Research in Asia (ARIAs) campaign conducted aircraft measurements of air pollutants over Hebei Province, China, between

Externí odkaz: https://doaj.org/article/0fd3b8c37ed146ceb083b6a2b40fe545

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Akademický článek

Reduced Complexity Model Intercomparison Project Phase 1: introduction and evaluation of global-mean temperature response

Publikováno v: Geoscientific Model Development, Vol 13, Pp 5175-5190 (2020)

Reduced-complexity climate models (RCMs) are critical in the policy and decision making space, and are directly used within multiple Intergovernmental Panel on Climate Change (IPCC) reports to complement the results of more comprehensive Earth system

Externí odkaz: https://doaj.org/article/0712f36b4a2649a19c398610a713aee2

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Akademický článek

Reformulating the bromine alpha factor and equivalent effective stratospheric chlorine (EESC): evolution of ozone destruction rates of bromine and chlorine in future climate scenarios

Autor: J. E. Klobas, D. K. Weisenstein, R. J. Salawitch, D. M. Wilmouth

Publikováno v: Atmospheric Chemistry and Physics, Vol 20, Pp 9459-9471 (2020)

Future trajectories of the stratospheric trace gas background will alter the rates of bromine- and chlorine-mediated catalytic ozone destruction via changes in the partitioning of inorganic halogen reservoirs and the underlying temperature structure

Externí odkaz: https://doaj.org/article/dbf62c8bf0ac4195b1eb1d4711e59f65

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Akademický článek

A machine learning examination of hydroxyl radical differences among model simulations for CCMI-1

Publikováno v: Atmospheric Chemistry and Physics, Vol 20, Pp 1341-1361 (2020)

The hydroxyl radical (OH) plays critical roles within the troposphere, such as determining the lifetime of methane (CH4), yet is challenging to model due to its fast cycling and dependence on a multitude of sources and sinks. As a result, the reasons

Externí odkaz: https://doaj.org/article/c97df44d765c46bf87f9b415808e5df5

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Akademický článek

Reduced Complexity Model Intercomparison Project Phase 2: Synthesizing Earth System Knowledge for Probabilistic Climate Projections

Publikováno v: Earth's Future, Vol 9, Iss 6, Pp n/a-n/a (2021)

Abstract Over the last decades, climate science has evolved rapidly across multiple expert domains. Our best tools to capture state‐of‐the‐art knowledge in an internally self‐consistent modeling framework are the increasingly complex fully co

Externí odkaz: https://doaj.org/article/aea86a7f9df04159870577b2c172eeec

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Akademický článek

Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements

Autor: L. Feng, P. I. Palmer, R. Butler, S. J. Andrews, E. L. Atlas, L. J. Carpenter, V. Donets, N. R. P. Harris, R. J. Salawitch, L. L. Pan, S. M. Schauffler

Publikováno v: Atmospheric Chemistry and Physics, Vol 18, Pp 14787-14798 (2018)

We infer surface fluxes of bromoform (CHBr3) and dibromoform (CH2Br2) from aircraft observations over the western Pacific using a tagged version of the GEOS-Chem global 3-D atmospheric chemistry model and a maximum a posteriori inverse model. Usin

Externí odkaz: https://doaj.org/article/74b942f4a2ae4d4a94b0460b8f6656b3

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Akademický článek

Quantifying the vertical transport of CHBr3 and CH2Br2 over the western Pacific

Autor: R. Butler, P. I. Palmer, L. Feng, S. J. Andrews, E. L. Atlas, L. J. Carpenter, V. Donets, N. R. P. Harris, S. A. Montzka, L. L. Pan, R. J. Salawitch, S. M. Schauffler

Publikováno v: Atmospheric Chemistry and Physics, Vol 18, Pp 13135-13153 (2018)

We use the GEOS-Chem global 3-D atmospheric chemistry transport model to interpret atmospheric observations of bromoform (CHBr3) and dibromomethane (CH2Br2) collected during the CAST and CONTRAST aircraft measurement campaigns over the western Pac

Externí odkaz: https://doaj.org/article/621a7972f48247dd9a9060adc5f04fb9

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