Bibliografías temáticas / Atmospheric ozone Tropospheric chemistry

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Literatura académica sobre el tema "Atmospheric ozone Tropospheric chemistry"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 7 de febrero de 2022

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Artículos de revistas sobre el tema "Atmospheric ozone Tropospheric chemistry"

1

Saiz-Lopez, A., J. F. Lamarque, D. E. Kinnison, S. Tilmes, C. Ordóñez, J. J. Orlando, A. J. Conley et al. "Estimating the climate significance of halogen-driven ozone loss in the tropical marine troposphere". Atmospheric Chemistry and Physics 12, n.º 9 (4 de mayo de 2012): 3939–49. http://dx.doi.org/10.5194/acp-12-3939-2012.

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Abstract. We have integrated observations of tropospheric ozone, very short-lived (VSL) halocarbons and reactive iodine and bromine species from a wide variety of tropical data sources with the global CAM-Chem chemistry-climate model and offline radiative transfer calculations to compute the contribution of halogen chemistry to ozone loss and associated radiative impact in the tropical marine troposphere. The inclusion of tropospheric halogen chemistry in CAM-Chem leads to an annually averaged depletion of around 10% (~2.5 Dobson units) of the tropical tropospheric ozone column, with largest effects in the middle to upper troposphere. This depletion contributes approximately −0.10 W m−2 to the radiative flux at the tropical tropopause. This negative flux is of similar magnitude to the ~0.33 W m−2 contribution of tropospheric ozone to present-day radiative balance as recently estimated from satellite observations. We find that the implementation of oceanic halogen sources and chemistry in climate models is an important component of the natural background ozone budget and we suggest that it needs to be considered when estimating both preindustrial ozone baseline levels and long term changes in tropospheric ozone.
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2

Stevenson, D. S., P. J. Young, V. Naik, J. F. Lamarque, D. T. Shindell, A. Voulgarakis, R. B. Skeie et al. "Tropospheric ozone changes, radiative forcing and attribution to emissions in the Atmospheric Chemistry and Climate Model Inter-comparison Project (ACCMIP)". Atmospheric Chemistry and Physics Discussions 12, n.º 10 (4 de octubre de 2012): 26047–97. http://dx.doi.org/10.5194/acpd-12-26047-2012.

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Abstract. Ozone (O3) from 17 atmospheric chemistry models taking part in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) has been used to calculate tropospheric ozone radiative forcings (RFs). We calculate a~value for the pre-industrial (1750) to present-day (2010) tropospheric ozone RF of 0.40 W m−2. The model range of pre-industrial to present-day changes in O3 produces a spread (±1 standard deviation) in RFs of ±17%. Three different radiation schemes were used – we find differences in RFs between schemes (for the same ozone fields) of ±10%. Applying two different tropopause definitions gives differences in RFs of ±3%. Given additional (unquantified) uncertainties associated with emissions, climate-chemistry interactions and land-use change, we estimate an overall uncertainty of ±30% for the tropospheric ozone RF. Experiments carried out by a subset of six models attribute tropospheric ozone RF to increased emissions of methane (47%), nitrogen oxides (29%), carbon monoxide (15%) and non-methane volatile organic compounds (9%); earlier studies attributed more of the tropospheric ozone RF to methane and less to nitrogen oxides. Normalising RFs to changes in tropospheric column ozone, we find a global mean normalised RF of 0.042 W m−2 DU−1, a value similar to previous work. Using normalised RFs and future tropospheric column ozone projections we calculate future tropospheric ozone RFs (W m−2; relative to 1850 – add 0.04 W m−2 to make relative to 1750) for the Representative Concentration Pathways in 2030 (2100) of: RCP2.6: 0.31 (0.16); RCP4.5: 0.38 (0.26); RCP6.0: 0.33 (0.24); and RCP8.5: 0.42 (0.56). Models show some coherent responses of ozone to climate change: decreases in the tropical lower troposphere, associated with increases in water vapour; and increases in the sub-tropical to mid-latitude upper troposphere, associated with increases in lightning and stratosphere-to-troposphere transport.
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3

Stevenson, D. S., P. J. Young, V. Naik, J. F. Lamarque, D. T. Shindell, A. Voulgarakis, R. B. Skeie et al. "Tropospheric ozone changes, radiative forcing and attribution to emissions in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP)". Atmospheric Chemistry and Physics 13, n.º 6 (15 de marzo de 2013): 3063–85. http://dx.doi.org/10.5194/acp-13-3063-2013.

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Abstract. Ozone (O3) from 17 atmospheric chemistry models taking part in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) has been used to calculate tropospheric ozone radiative forcings (RFs). All models applied a common set of anthropogenic emissions, which are better constrained for the present-day than the past. Future anthropogenic emissions follow the four Representative Concentration Pathway (RCP) scenarios, which define a relatively narrow range of possible air pollution emissions. We calculate a value for the pre-industrial (1750) to present-day (2010) tropospheric ozone RF of 410 mW m−2. The model range of pre-industrial to present-day changes in O3 produces a spread (±1 standard deviation) in RFs of ±17%. Three different radiation schemes were used – we find differences in RFs between schemes (for the same ozone fields) of ±10%. Applying two different tropopause definitions gives differences in RFs of ±3%. Given additional (unquantified) uncertainties associated with emissions, climate-chemistry interactions and land-use change, we estimate an overall uncertainty of ±30% for the tropospheric ozone RF. Experiments carried out by a subset of six models attribute tropospheric ozone RF to increased emissions of methane (44±12%), nitrogen oxides (31 ± 9%), carbon monoxide (15 ± 3%) and non-methane volatile organic compounds (9 ± 2%); earlier studies attributed more of the tropospheric ozone RF to methane and less to nitrogen oxides. Normalising RFs to changes in tropospheric column ozone, we find a global mean normalised RF of 42 mW m−2 DU−1, a value similar to previous work. Using normalised RFs and future tropospheric column ozone projections we calculate future tropospheric ozone RFs (mW m−2; relative to 1750) for the four future scenarios (RCP2.6, RCP4.5, RCP6.0 and RCP8.5) of 350, 420, 370 and 460 (in 2030), and 200, 300, 280 and 600 (in 2100). Models show some coherent responses of ozone to climate change: decreases in the tropical lower troposphere, associated with increases in water vapour; and increases in the sub-tropical to mid-latitude upper troposphere, associated with increases in lightning and stratosphere-to-troposphere transport. Climate change has relatively small impacts on global mean tropospheric ozone RF.
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4

Lu, Xiao, Lin Zhang, Tongwen Wu, Michael S. Long, Jun Wang, Daniel J. Jacob, Fang Zhang et al. "Development of the global atmospheric chemistry general circulation model BCC-GEOS-Chem v1.0: model description and evaluation". Geoscientific Model Development 13, n.º 9 (31 de agosto de 2020): 3817–38. http://dx.doi.org/10.5194/gmd-13-3817-2020.

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Abstract. Chemistry plays an indispensable role in investigations of the atmosphere; however, many climate models either ignore or greatly simplify atmospheric chemistry, limiting both their accuracy and their scope. We present the development and evaluation of the online global atmospheric chemical model BCC-GEOS-Chem v1.0, coupling the GEOS-Chem chemical transport model (CTM) as an atmospheric chemistry component in the Beijing Climate Center atmospheric general circulation model (BCC-AGCM). The GEOS-Chem atmospheric chemistry component includes detailed tropospheric HOx–NOx–volatile organic compounds–ozone–bromine–aerosol chemistry and online dry and wet deposition schemes. We then demonstrate the new capabilities of BCC-GEOS-Chem v1.0 relative to the base BCC-AGCM model through a 3-year (2012–2014) simulation with anthropogenic emissions from the Community Emissions Data System (CEDS) used in the Coupled Model Intercomparison Project Phase 6 (CMIP6). The model captures well the spatial distributions and seasonal variations in tropospheric ozone, with seasonal mean biases of 0.4–2.2 ppbv at 700–400 hPa compared to satellite observations and within 10 ppbv at the surface to 500 hPa compared to global ozonesonde observations. The model has larger high-ozone biases over the tropics which we attribute to an overestimate of ozone chemical production. It underestimates ozone in the upper troposphere which is likely due either to the use of a simplified stratospheric ozone scheme or to biases in estimated stratosphere–troposphere exchange dynamics. The model diagnoses the global tropospheric ozone burden, OH concentration, and methane chemical lifetime to be 336 Tg, 1.16×106 molecule cm−3, and 8.3 years, respectively, which is consistent with recent multimodel assessments. The spatiotemporal distributions of NO2, CO, SO2, CH2O, and aerosol optical depth are generally in agreement with satellite observations. The development of BCC-GEOS-Chem v1.0 represents an important step for the development of fully coupled earth system models (ESMs) in China.
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5

Wang, Y., P. Konopka, Y. Liu, H. Chen, R. Müller, F. Plöger, M. Riese, Z. Cai y D. Lü. "Tropospheric ozone trend over Beijing from 2002–2010: ozonesonde measurements and modeling analysis". Atmospheric Chemistry and Physics 12, n.º 18 (18 de septiembre de 2012): 8389–99. http://dx.doi.org/10.5194/acp-12-8389-2012.

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Abstract. Using a combination of ozonesonde data and numerical simulations of the Chemical Lagrangian Model of the Stratosphere (CLaMS), the trend of tropospheric ozone (O3) during 2002–2010 over Beijing was investigated. Tropospheric ozone over Beijing shows a winter minimum and a broad summer maximum with a clear positive trend in the maximum summer ozone concentration over the last decade. The observed significant trend of tropospheric column ozone is mainly caused by photochemical production (3.1% yr−1 for a mean level of 52 DU). This trend is close to the significant trend of partial column ozone in the lower troposphere (0–3 km) resulting from the enhanced photochemical production during summer (3.0% yr−1 for a mean level of 23 DU). Analysis of the CLaMS simulation shows that transport rather than chemistry drives most of the seasonality of tropospheric ozone. However, dynamical processes alone cannot explain the trend of tropospheric ozone in the observational data. Clearly enhanced ozone values and a negative vertical ozone gradient in the lower troposphere in the observational data emphasize the importance of photochemistry within the troposphere during spring and summer, and suggest that the photochemistry within the troposphere significantly contributes to the tropospheric ozone trend over Beijing during the last decade.
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6

Revell, Laura E., Andrea Stenke, Fiona Tummon, Aryeh Feinberg, Eugene Rozanov, Thomas Peter, N. Luke Abraham et al. "Tropospheric ozone in CCMI models and Gaussian process emulation to understand biases in the SOCOLv3 chemistry–climate model". Atmospheric Chemistry and Physics 18, n.º 21 (13 de noviembre de 2018): 16155–72. http://dx.doi.org/10.5194/acp-18-16155-2018.

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Abstract. Previous multi-model intercomparisons have shown that chemistry–climate models exhibit significant biases in tropospheric ozone compared with observations. We investigate annual-mean tropospheric column ozone in 15 models participating in the SPARC–IGAC (Stratosphere–troposphere Processes And their Role in Climate–International Global Atmospheric Chemistry) Chemistry-Climate Model Initiative (CCMI). These models exhibit a positive bias, on average, of up to 40 %–50 % in the Northern Hemisphere compared with observations derived from the Ozone Monitoring Instrument and Microwave Limb Sounder (OMI/MLS), and a negative bias of up to ∼30 % in the Southern Hemisphere. SOCOLv3.0 (version 3 of the Solar-Climate Ozone Links CCM), which participated in CCMI, simulates global-mean tropospheric ozone columns of 40.2 DU – approximately 33 % larger than the CCMI multi-model mean. Here we introduce an updated version of SOCOLv3.0, “SOCOLv3.1”, which includes an improved treatment of ozone sink processes, and results in a reduction in the tropospheric column ozone bias of up to 8 DU, mostly due to the inclusion of N2O5 hydrolysis on tropospheric aerosols. As a result of these developments, tropospheric column ozone amounts simulated by SOCOLv3.1 are comparable with several other CCMI models. We apply Gaussian process emulation and sensitivity analysis to understand the remaining ozone bias in SOCOLv3.1. This shows that ozone precursors (nitrogen oxides (NOx), carbon monoxide, methane and other volatile organic compounds, VOCs) are responsible for more than 90 % of the variance in tropospheric ozone. However, it may not be the emissions inventories themselves that result in the bias, but how the emissions are handled in SOCOLv3.1, and we discuss this in the wider context of the other CCMI models. Given that the emissions data set to be used for phase 6 of the Coupled Model Intercomparison Project includes approximately 20 % more NOx than the data set used for CCMI, further work is urgently needed to address the challenges of simulating sub-grid processes of importance to tropospheric ozone in the current generation of chemistry–climate models.
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7

Gauss, M., G. Myhre, I. S. A. Isaksen, V. Grewe, G. Pitari, O. Wild, W. J. Collins et al. "Radiative forcing since preindustrial times due to ozone change in the troposphere and the lower stratosphere". Atmospheric Chemistry and Physics 6, n.º 3 (24 de febrero de 2006): 575–99. http://dx.doi.org/10.5194/acp-6-575-2006.

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Abstract. Changes in atmospheric ozone have occurred since the preindustrial era as a result of increasing anthropogenic emissions. Within ACCENT, a European Network of Excellence, ozone changes between 1850 and 2000 are assessed for the troposphere and the lower stratosphere (up to 30 km) by a variety of seven chemistry-climate models and three chemical transport models. The modeled ozone changes are taken as input for detailed calculations of radiative forcing. When only changes in chemistry are considered (constant climate) the modeled global-mean tropospheric ozone column increase since preindustrial times ranges from 7.9 DU to 13.8 DU among the ten participating models, while the stratospheric column reduction lies between 14.1 DU and 28.6 DU in the models considering stratospheric chemistry. The resulting radiative forcing is strongly dependent on the location and altitude of the modeled ozone change and varies between 0.25 Wm−2 and 0.45 Wm−2 due to ozone change in the troposphere and −0.123 Wm−2 and +0.066 Wm−2 due to the stratospheric ozone change. Changes in ozone and other greenhouse gases since preindustrial times have altered climate. Six out of the ten participating models have performed an additional calculation taking into account both chemical and climate change. In most models the isolated effect of climate change is an enhancement of the tropospheric ozone column increase, while the stratospheric reduction becomes slightly less severe. In the three climate-chemistry models with detailed tropospheric and stratospheric chemistry the inclusion of climate change increases the resulting radiative forcing due to tropospheric ozone change by up to 0.10 Wm−2, while the radiative forcing due to stratospheric ozone change is reduced by up to 0.034 Wm−2. Considering tropospheric and stratospheric change combined, the total ozone column change is negative while the resulting net radiative forcing is positive.
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8

Zanis, P., P. Hadjinicolaou, A. Pozzer, E. Tyrlis, S. Dafka, N. Mihalopoulos y J. Lelieveld. "Summertime free tropospheric ozone pool over the Eastern Mediterranean/Middle East". Atmospheric Chemistry and Physics Discussions 13, n.º 8 (23 de agosto de 2013): 22025–58. http://dx.doi.org/10.5194/acpd-13-22025-2013.

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Abstract. Observations show that the Mediterranean troposphere is characterized by a marked enhancement in summertime ozone with a maximum over the Eastern Mediterranean. This has been linked to enhanced ozone photochemical production and subsidence under cloud-free anticyclonic conditions. The Eastern Mediterranean region has among the highest levels of background tropospheric ozone around the globe and it can be considered as a global air pollution hotspot. A 12 yr climatological analysis (1998–2009) of free tropospheric ozone was carried out over the region based on ECMWF (European Centre for Medium-Range Weather Forecasts) ERA-interim reanalysis data and simulations with the EMAC (ECHAM5-MESSy for Atmospheric Chemistry) atmospheric chemistry climate model. EMAC is nudged towards the ECMWF analysis data and includes a stratospheric ozone tracer. A characteristic summertime pool with high ozone concentrations is found in the middle troposphere over the Eastern Mediterranean/Middle East (EMME) by ERA-interim ozone data, which is supported by Tropospheric Emission Spectrometer (TES) satellite ozone data and simulations with EMAC. The enhanced ozone over the EMME is a robust feature, propagating down to lower free tropospheric levels. The investigation of ozone in relation to potential vorticity and water vapour and the stratospheric ozone tracer indicates that the dominant mechanism causing the free tropospheric ozone pool is downward transport from the upper troposphere and lower stratosphere associated with the enhanced subsidence and the limited outflow transport that dominates the summertime EMME circulation. The implications of these summertime high free tropospheric ozone values on the seasonal cycle of near surface ozone over the Mediterranean are discussed.
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9

Zanis, P., P. Hadjinicolaou, A. Pozzer, E. Tyrlis, S. Dafka, N. Mihalopoulos y J. Lelieveld. "Summertime free-tropospheric ozone pool over the eastern Mediterranean/Middle East". Atmospheric Chemistry and Physics 14, n.º 1 (3 de enero de 2014): 115–32. http://dx.doi.org/10.5194/acp-14-115-2014.

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Abstract. Observations show that the Mediterranean troposphere is characterized by a marked enhancement in summertime ozone, with a maximum over the eastern Mediterranean. This has been linked to enhanced photochemical ozone production and subsidence under cloud-free anticyclonic conditions. The eastern Mediterranean is among the regions with the highest levels of background tropospheric ozone worldwide. A 12 yr climatological analysis (1998–2009) of free-tropospheric ozone was carried out over the region based on the ECMWF (European Centre for Medium-Range Weather Forecasts) ERA-Interim reanalysis data and simulations with the EMAC (ECHAM5–MESSy) atmospheric chemistry–climate model. EMAC is nudged towards the ECMWF analysis data and includes a stratospheric ozone tracer. A characteristic summertime pool with high ozone concentrations is found in the middle troposphere over the eastern Mediterranean–Middle East (EMME) in the ERA-Interim ozone data, Tropospheric Emission Spectrometer (TES) satellite ozone data and simulations with EMAC. The enhanced ozone over the EMME during summer is a robust feature, extending down to lower free-tropospheric levels. The investigation of ozone in relation to potential vorticity and water vapour and the stratospheric ozone tracer indicates that the dominant mechanism causing the free-tropospheric ozone pool is the downward transport from the upper troposphere and lower stratosphere, in association with the enhanced subsidence and the limited horizontal divergence observed over the region. The implications of these high free-tropospheric ozone levels on the seasonal cycle of near-surface ozone over the Mediterranean are discussed.
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10

Saiz-Lopez, A., R. P. Fernandez, C. Ordóñez, D. E. Kinnison, J. C. Gómez Martín, J. F. Lamarque y S. Tilmes. "Iodine chemistry in the troposphere and its effect on ozone". Atmospheric Chemistry and Physics 14, n.º 23 (10 de diciembre de 2014): 13119–43. http://dx.doi.org/10.5194/acp-14-13119-2014.

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Abstract. Despite the potential influence of iodine chemistry on the oxidizing capacity of the troposphere, reactive iodine distributions and their impact on tropospheric ozone remain almost unexplored aspects of the global atmosphere. Here we present a comprehensive global modelling experiment aimed at estimating lower and upper limits of the inorganic iodine burden and its impact on tropospheric ozone. Two sets of simulations without and with the photolysis of IxOy oxides (i.e. I2O2, I2O3 and I2O4) were conducted to define the range of inorganic iodine loading, partitioning and impact in the troposphere. Our results show that the most abundant daytime iodine species throughout the middle to upper troposphere is atomic iodine, with an annual average tropical abundance of (0.15–0.55) pptv. We propose the existence of a "tropical ring of atomic iodine" that peaks in the tropical upper troposphere (~11–14 km) at the equator and extends to the sub-tropics (30° N–30° S). Annual average daytime I / IO ratios larger than 3 are modelled within the tropics, reaching ratios up to ~20 during vigorous uplift events within strong convective regions. We calculate that the integrated contribution of catalytic iodine reactions to the total rate of tropospheric ozone loss (IOx Loss) is 2–5 times larger than the combined bromine and chlorine cycles. When IxOy photolysis is included, IOx Loss represents an upper limit of approximately 27, 14 and 27% of the tropical annual ozone loss for the marine boundary layer (MBL), free troposphere (FT) and upper troposphere (UT), respectively, while the lower limit throughout the tropical troposphere is ~9%. Our results indicate that iodine is the second strongest ozone-depleting family throughout the global marine UT and in the tropical MBL. We suggest that (i) iodine sources and its chemistry need to be included in global tropospheric chemistry models, (ii) experimental programs designed to quantify the iodine budget in the troposphere should include a strategy for the measurement of atomic I, and (iii) laboratory programs are needed to characterize the photochemistry of higher iodine oxides to determine their atmospheric fate since they can potentially dominate halogen-catalysed ozone destruction in the troposphere.
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Tesis sobre el tema "Atmospheric ozone Tropospheric chemistry"

1

Martínez, José Enrique. "Impact of natural and anthropogenic hydrocarbons on tropospheric ozone production : results from automated gas chromatography". Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/25692.

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Chen, Gao. "A study of tropospheric photochemistry in the subtropical/tropical North and South Atlantic". Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/25887.

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Pinot, de Moira John C. "Laser studies of atmospheric chemistry". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299100.

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Carpenter, Ian W. "Time resolved studies of reative transients of importance in atmospheric chemistry and chemical vapour decomposition". Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318584.

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Kotchenruther, Robert A. "Ozone photochemistry in the Northeastern Pacific troposphere and the impacts of trans-pacific pollution transport /". Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/8563.

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Richardson, Jennifer Lynn. "The role of biogenic hydrocarbons in the photochemical production of tropospheric ozone in the Atlanta, Georgia region". Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/25769.

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Williams, Jonathan M. J. "A study of the atmospheric chemistry of alkyl nitrates". Thesis, University of East Anglia, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241517.

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Zeng, Tao. "Three-dimensional model analysis of tropospheric photochemical processes in the Arctic and northern mid-latitudes". Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-08232005-123814/.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2006.
Wang, Yuhang, Committee Chair ; Black, Robert, Committee Member ; Curry, Judith, Committee Member ; Huey, Greg, Committee Member ; Russell, Armistead G, Committee Member. Includes bibliographical references.
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Cohan, Daniel Shepherd. "Photochemical Formation and Cost-Efficient Abatement of Ozone: High-Order Sensitivity Analysis". Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-09152004-150617/unrestricted/cohan%5Fdaniel%5Fs%5F200412%5Fphd.pdf.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2005.
Russell, Armistead G., Committee Chair ; Chameides, William L., Committee Member ; Wang, Yuhang, Committee Member ; Noonan, Douglas, Committee Member ; Chang, Michael E., Committee Member. Vita. Includes bibliographical references.
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Carpenter, Lucy J. "Measurements of peroxy radicals in clean and polluted atmospheres". Thesis, University of East Anglia, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317982.

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Libros sobre el tema "Atmospheric ozone Tropospheric chemistry"

1

Fishman, Jack. Ozone, tropospheric. [Washington, D.C: National Aeronautics and Space Administration, 1995.

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NATO Advanced Workshop on Regional and Global Ozone Interaction and its Environmental Consequences (1987 Lillehammer, Norway). Tropospheric ozone: Regional and global scale interactions. Dordrecht: D. Reidel Pub. Co., 1988.

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Sudo, Kengo. Changing process of global tropospheric ozone distribution and related chemistry: A study with a coupled chemistry GCM. [Tokyo]: University of Tokyo, Center for Climate System Research, 2003.

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Zanis, Prodromos. In-situ photochemical control of ozone at the Jungfraujoch in the Swiss Alps. Bern: University of Berne, Institute of Geography, 1999.

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Wessel, Silke. Troposphärische Ozonvariationen in Polarregionen =: Tropospheric ozone variations in Polar regions. Bremerhaven: Alfred-Wegener-Institut für Polar- und Meeresforschung, 1997.

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NATO Advanced Study Institute on Low-Temperature Chemistry of the Atmosphere (1993 Maratea, Italy). Low-temperature chemistry of the atmosphere. Berlin: Springer-Verlag, 1994.

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Bradshaw, John. Airborne measurements of NO, NO₂, and NOy as related to NASA's TRACE-A field program: Final report (NAG-1-1415), period of performance 4/1/92 to 6/30/95. [Washington, D.C: National Aeronautics and Space Administration, 1995.

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Fishman, Jack. The global consequences of increasing tropospheric ozone concentrations. Hampton, Va: Atmospheric Sciences Division, NASA Langley Research Center, 1989.

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Niki, H. y K. H. Becker, eds. The Tropospheric Chemistry of Ozone in the Polar Regions. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4.

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Ozone, Symposium (1988 Göttingen Germany). Ozone in the atmosphere: Proceedings of the Quadrennial Ozone Symposium 1988 and Tropospheric Ozone Workshop, Göttingen, Federal Republic of Germany, 4-13 August 1988. Hampton, Va., USA: A. Deepak, 1989.

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Capítulos de libros sobre el tema "Atmospheric ozone Tropospheric chemistry"

1

Levy, H. "Tropospheric Ozone: Transport or Chemistry?" En Atmospheric Ozone, 730–34. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5313-0_143.

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Cox, R. A. "Atmospheric Chemistry of NOx and Hydrocarbons Influencing Tropospheric Ozone". En Tropospheric Ozone, 263–92. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2913-5_16.

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Jonson, Jan E. y Ivar S. A. Isaksen. "Effects of aqueous-phase chemistry on tropospheric O3 and odd hydrogen". En Atmospheric Ozone as a Climate Gas, 215–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79869-6_15.

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Fuglestvedt, Jan S., Jan E. Jonson, Wei-Chyung Wang y Ivar S. A. Isaksen. "Responses in tropospheric chemistry to changes in UV fluxes, temperatures and water vapour densities". En Atmospheric Ozone as a Climate Gas, 145–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79869-6_10.

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Neftel, Albrecht y Katrin Fuhrer. "A Record of Atmospheric Oxidant from Polar Ice Cores over the Past 100,000 Years: Dream or Real Possibility?" En The Tropospheric Chemistry of Ozone in the Polar Regions, 219–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_15.

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Ehhalt, D. H., F. Rohrer y A. Wahner. "The Atmospheric Distribution of NO, O3, CO, and CH4 above the North Atlantic Based on the STRATOZ III Flight". En The Tropospheric Chemistry of Ozone in the Polar Regions, 171–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_12.

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Lelieveld, Jos y Rob van Dorland. "Ozone Chemistry Changes in the Troposphere and Consequent Radiative Forcing of Climate". En Atmospheric Ozone as a Climate Gas, 227–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79869-6_16.

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Ravishankara, A. R. "Chemistry of Ozone in the Upper Troposphere and Lower Stratosphere: Perspectives from Laboratory Studies". En Atmospheric Ozone as a Climate Gas, 343–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79869-6_21.

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Moore, Robert, Ryszard Tokarczyk y Charles Geen. "Sources of Organobromines to the Arctic Atmosphere". En The Tropospheric Chemistry of Ozone in the Polar Regions, 235–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_16.

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Sturges, William T. "Halocarbons in the Arctic and Antarctic Atmosphere". En The Tropospheric Chemistry of Ozone in the Polar Regions, 117–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78211-4_9.

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Actas de conferencias sobre el tema "Atmospheric ozone Tropospheric chemistry"

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Fernando, Anton, Chris Boone y Peter Bernath. "OZONE ISOTOPOLOGUE MEASUREMENTS FROM THE ATMOSPHERIC CHEMISTRY EXPERIMENT (ACE)". En 74th International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2019. http://dx.doi.org/10.15278/isms.2019.rj02.

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Rinsland, Curtis P., Peter Bernath, Chris Boone y Ray Nassar. "Atmospheric Chemistry Experiment (ACE) Measurements of Tropospheric and Stratospheric Chemistry and Long-Term Trends". En Fourier Transform Spectroscopy. Washington, D.C.: OSA, 2007. http://dx.doi.org/10.1364/fts.2007.fmc2.

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Rinsland, Curtis, Linda Chiou, Peter Bernath y Chris Boone. "Upper Tropospheric and Stratospheric Measurements of Atmospheric Chemistry and Trends by the Atmospheric Chemistry Experiment (ACE) Fourier Transform Spectrometer". En Fourier Transform Spectroscopy. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/fts.2009.fwa3.

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Cao, Le y Eva Gutheil. "Modeling and Simulation of Tropospheric Ozone Depletion in the Polar Spring". En ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-22045.

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In polar spring, tropospheric ozone depletion is related to the presence of halogen oxide concentrations in the atmospheric boundary layer. Halogen oxides such as BrO participate in an autocatalytic chemical reaction cycle, leading to the release of Br2 and BrCl from the fresh sea ice. The paper presents the identification of a detailed chemical reaction mechanism for the ozone depletion event, where bromine plays the major role. The heterogeneous reactions in the chemical reaction mechanism are studied in detail, and a sensitivity analysis is performed to identify the importance of each reaction in the mechanism. A skeletal reaction scheme is identified on the basis of the sensitivity analysis,. This skeletal chemical reaction mechanism then is used in a 3-D large eddy simulation (LES) with the Smagorinsky sub-grid model. The configuration studied includes a mountain located at the ground above which the ozone depletion is studied. In this situation, the height of the boundary layer varies, which greatly affects the ozone depletion event.
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Shibata, Kiyotaka, Makoto Deushi, Takashi Maki, Tomohiro Nagai, Testu Sakai y Masahisa Nakazato. "Diurnal and daily variations in surface ultraviolet radiation due to ozone variations in the troposphere at Tsukuba, Japan: Lidar observations and chemistry-climate model simulation". En RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2012): Proceedings of the International Radiation Symposium (IRC/IAMAS). AIP, 2013. http://dx.doi.org/10.1063/1.4804916.

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Gilmore, Angelo S., Robert H. Philbrick y Josh Funderburg. "Focal plane subsystem design and performance for atmospheric chemistry from geostationary orbit tropospheric emissions monitoring of pollution". En Earth Observing Systems XXII, editado por James J. Butler, Xiaoxiong (Jack) Xiong y Xingfa Gu. SPIE, 2017. http://dx.doi.org/10.1117/12.2271687.

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Lantz, Andreas, Jenny Larfeldt, Andreas Ehn, Jiajian Zhu, Arman Ahamed Subash, Elna J. K. Nilsson, Zhongshan Li y Marcus Aldén. "Investigation of Ozone Stimulated Combustion in the SGT-800 Burner at Atmospheric Conditions". En ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57111.

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The effect of ozone (O3) in a turbulent, swirl-stabilized natural gas/air flame was experimentally investigated at atmospheric pressure conditions using planar laser-induced fluorescence imaging of formaldehyde (CH2O PLIF) and dynamic pressure monitoring. The experiment was performed using a dry low emission (DLE) gas turbine burner used in both SGT-700 and SGT-800 industrial gas turbines from Siemens. The burner was mounted in an atmospheric combustion test rig at Siemens with optical access in the flame region. CH2O PLIF imaging was carried out for four different seeding gas compositions and seeding injection channel configurations. Two seeding injection-channels were located around the burner tip while the other two were located along the center axis of the burner at different distances upstream the burner outlet. Four different seeding gas compositions were used: nitrogen (N2), oxygen (O2) and two ozone/oxygen (O3/O2) mixtures with different O3 concentration. The results show that the O3 clearly affects the combustion chemistry. The natural gas/air mixture is preheated before combustion which is shown to kick-start the cold combustion chemistry where O3 is highly involved. The CH2O PLIF signal increases with O3 seeded into the flame which indicates that the pre-combustion activity increases and that the cold chemistry starts to develop further upstream. The small increase of the pressure drop over the burner shows that the flame moves upstream when O3 is seeded into the flame, which confirms the increase in pre-combustion activity.
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Informes sobre el tema "Atmospheric ozone Tropospheric chemistry"

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Worsnop, D. R., J. T. Jayne, C. E. Kolb y P. Davidovits. Heterogeneous chemistry affecting upper tropospheric and stratospheric ozone. Final report, April, 1994--January, 1998. Office of Scientific and Technical Information (OSTI), agosto de 1999. http://dx.doi.org/10.2172/763953.

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Atherton, C. S. Predicting tropospheric ozone and hydroxyl radical in a global, three-dimensional, chemistry, transport, and deposition model. Office of Scientific and Technical Information (OSTI), enero de 1995. http://dx.doi.org/10.2172/130611.

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Finlayson-Pitts, B. J. Laboratory studies of the sensitivity of tropospheric ozone to the chemistry of sea salt aerosol. Final report. Office of Scientific and Technical Information (OSTI), junio de 1998. http://dx.doi.org/10.2172/623028.

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Finlayson-Pitts, B. J. Laboratory studies of the sensitivity of tropospheric ozone to the chemistry of sea salt aerosol. Final report, September 15, 1993--September 14, 1994. Office of Scientific and Technical Information (OSTI), noviembre de 1994. http://dx.doi.org/10.2172/10105292.

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