Results 11 to 20 of about 312,260 (287)

Chemical transport model ozone simulations for spring 2001 over the western Pacific: Regional ozone production and its global impacts [PDF]

open access: yes, 2004
The spatial and temporal variation in ozone production over major source regions in East Asia during the NASA Transport and Chemical Evolution over the Pacific (TRACE-P) measurement campaign in spring 2001 is assessed using a global chemical transport ...
Isaksen, I S A   +21 more
core   +3 more sources

Global tropospheric ozone modelling : quantifying errors due to grid resolution. [PDF]

open access: yes, 2006
Ozone production in global chemical models is dependent on model resolution because ozone chemistry is inherently nonlinear, the timescales for chemical production are short, and precursors are artificially distributed over the spatial scale of the model
Prather, Michael J.   +4 more
core   +3 more sources

Tropospheric ozone and its global budgets [PDF]

open access: yes, 2008
We present the chemistry-climate model UMCAM in which a relatively detailed tropospheric chemical module has been incorporated into the UK Met Office's Unified Model version 4.5. We obtain good agreements between the modelled ozone/nitrogen species and a
Zeng, Guang, Pyle, J. A., Young, P. J.
core   +4 more sources

Changes in the polar vortex: Effects on Antarctic total ozone observations at various stations [PDF]

open access: yes, 2011
October mean total column ozone data from four Antarctic stations form the basis for understanding the evolution of the ozone hole since 1960. While these stations show similar emergence of the ozone hole from 1960 to 1980, the records are divergent in ...
Bodeker, G. E.   +3 more
core   +4 more sources

Clouds, photolysis and regional tropospheric ozone budgets. [PDF]

open access: yes, 2009
We use a three-dimensional chemical transport model to examine the shortwave radiative effects of clouds on the tropospheric ozone budget. In addition to looking at changes in global concentrations as previous studies have done, we examine changes in ...
Wild, Oliver   +4 more
core   +4 more sources

Spatial-temporal analysis of traffic-related ground level ozone [PDF]

open access: yes, 2013
Prolonged exposure to elevated levels of ozone (O3) has been proven to adversely affect human health, agricultural crops and building materials. Therefore, ground level O3 is currently regarded as one of the most harmful air pollutants, and identified as
Munir, Said
core   +4 more sources

The physiological, transcriptional and genetic responses of an ozone-sensitive and an ozone tolerant poplar and selected extremes of their F2 progeny [PDF]

open access: yes, 2011
Relatively little is known about the transcriptional response or genetic control of response and adaptation of trees to tropospheric ozone exposure.
Tallis, M.J.   +20 more
core   +1 more source

Impact of climate variability on tropospheric ozone [PDF]

open access: yes, 2007
A simulation with the climate–chemistry model (CCM) E39/C is presented, which covers both the troposphere and stratosphere dynamics and chemistry during the period 1960 to 1999.
Grewe, Volker
core   +1 more source

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