On the amount of atmospheric ozone and its relation to meteorological conditions.

  • 42 Pages
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  • English
Grøndahl & søns boktr., I kommisjon hos Cammermeyers boghandel , Oslo
Ozone., Atmosp
SeriesGeofysiske publikasjoner, utg. av det Norske videnskaps-akademi i Oslo,, v. 18, no. 6
LC ClassificationsQC801 .N67 vol. 18, no. 6
The Physical Object
Pagination42 p.
ID Numbers
Open LibraryOL203897M
LC Control Numbera 53001358

The total ozone archived dataset used in this paper is the TOMS level-3 hierarchical data format product (for details of this dataset see McPeters et al. ), which is made up of 1° latitude by ° longitude all cases the mean total ozone shown in this paper is an area-weighted by:   Relationship between ozone, meteorological conditions, Ozone is a strong oxidant formed in the atmosphere through photochemical reactions between nitrogen oxides and volatile organic compounds.

It is the most difficult pollutant to control because its precursors are mostly released by automotive vehicles, whose numbers are increasing daily Cited by:   A high temperature was usually accompanied by high UV radiation atmospheric conditions, increasing the ozone production rate.

Details On the amount of atmospheric ozone and its relation to meteorological conditions. FB2

However, WS does not favour the diffusion of trace gases, causing the accumulation of ozone and its precursors. Therefore, high T and low WS meteorological conditions can be the second explanation for ozone by: Shalamyanskiy and Romanshkina () and Karol et al.

() used the geopotential height on the hPa level of the maximum wind speed in the subtropical jet to obtain the position of the subtropical front, and on the hPa level for the polar front.

They then used these boundaries to separate ground-based total ozone measurements into three regimes on a daily by: The characteristics of surface ozone concentration and its relationship with meteorology were analyzed by continuous observation from to in urban site of Hangzhou.

The present work assesses the relationship between local and synoptic meteorological conditions and surface ozone concentration over Europe in spring and summer months, during the period   Ozone is removed from the atmosphere by its chemical reaction with NO x and its photolysis in the presence of water vapor, as well as by dry deposition (Jacobson, ).

The production of ground-level O 3 is affected not only by the emissions of its precursors (i.e., NO x and VOC), but also by meteorological conditions. The first part of the present study addresses meteorological and synoptic factors governing daily maximum 1-hour ozone (O 3) concentrations in the city of Augsburg in the months from March to the second part statistical models are applied to assess the association between daily myocardial infarction (MI) frequencies and ozone exposure, under the additional consideration of.

The Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (Solomon et al. ) states that “most of the observed increase in global average temperatures since the midth century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.”Temperature is a decisive meteorological variable for regional climate and air quality.

For example, there was a range of 5– ng L −1 for samples up to 1 cm in rainfall amount and a range of 8–61 ng L −1 for samples of 1–2 cm in rainfall amount, and so on, until samples of 6–7 cm in rainfall amount resulted in the smallest Hg concentration range of 6–19 ng L −1.

diation atmospheric conditions, increasing the ozone production rate. However, WS does not favour the di ff usion of trace gases, causing the accumulation of ozone and its precursors. The American Meteorological Society (AMS) strongly supports interactions between these communities focused on obtaining a better understanding of ozone and its behavior.

1) The AMS recognizes that human activities are affecting atmospheric ozone by depleting stratospheric ozone and by increasing ground-level ozone worldwide, especially in. In book: Encyclopedia of Atmospheric Sciences (pp) the evolution of this layer and its relationship with air quality.

Quality Standard (NAAQS) for ozone for the meteorological. where D [ozone] is the change in the amount of ozone formed as a result of the change in the amount of organic present, D [VOC] (note that Carter and Atkinson [b] used the quantity D ([ozone] - [NO]) rather than D [ozone] under conditions where the maximum ozone was not attained and NO was not fully consumed).

This concept of incremental. Extreme Nitrogen Oxide and Ozone Concentrations in Athens Atmosphere in Relation to Meteorological Conditions May Environmental Monitoring and Assessment () A study of the meteorological conditions associated with high-ozone days (above 80 ppb) in 17 cities demonstrated the regional nature of the problem, at least in the Northeast.

Samson and Shi () examined the wind flow for all days in when ozone exceeded 80 ppb in these cities, using trajectory calculations integrated backwards to. Hourly and daily variations of ground-level ozone have been analyzed in relation to meteorological parameters, UVB radiation and radon near the Baltic Sea in Lithuania.

An atypical situation with respect to wind domination was observed during the experiment: the wind from the continent was twice as frequent as the wind from the sea.

The close correlation between ground-level ozone. These data are used to determine the temporal variability of the percentage ratio of solar global UV to solar global irradiation (G uv /G h) and its dependence on various atmospheric conditions. Analyzing the data set, an inverse correlation between ozone column amount and the precise UV/Global ratio was found, which can be rather attributed to.

Bromine (Br) compounds play an important role in atmospheric chemistry in particular with respect to removal of ozone. It has been estimated that bromine contributes about 25 % to the global destruction of stratospheric ozone and up to 50 % to polar stratospheric O 3 depletion (McElroy et al., ; Harder et al., ).

Stratospheric bromine is predominantly present in its inorganic form. These four reactions could produce the basic characteristics of the ozone layer as it was in the s through the s.

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The basic ingredients are UV radiation and O 2, which can help to explain why ozone reaches a maximum concentration at a certain height in the atmosphere–that is, why there is an ozone layer at very high levels in the atmosphere (e.g., in the mesosphere), there is.

Abstract. The weather conditions affecting aerosol pollution in Beijing and its vicinity (BIV) in wintertime have worsened in recent years, particularly after The relation between interdecadal changes in weather conditions and climate warming is uncertain. Here, we analyze long-term variations of an integrated pollution-linked meteorological index (which is approximately and linearly.

This section provides for each component (atmosphere, ozone, land and ocean waves) a summary of such changes, other than those already mentioned in Section 2. It also provides a summary of the major changes in observation handling. Improvements for the atmosphere.

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The radiation scheme used in ERA5, McRad, described by Morcrette et al. The concentration of surface ozone (O3) strongly depends on environmental and meteorological variables through a series of complex and non-linear functions.

This study aims to explore the performances of an advanced machine learning (ML) method, the boosted regression trees (BRT) technique, in exploring the relationships between surface O3 and its driving factors, and in predicting. Fumio Hasebe, The Interannual Variations of the Global Total Ozone as a Reflection of the General Circulation Changes in the Stratosphere, Atmospheric Ozone, /.

Although emissions have a direct impact on air pollution, meteorological processes may influence inmission concentration, with the only way to control air pollution being through the rates emitted.

This paper presents the close relationship between air pollution and meteorology following the scales of atmospheric motion. In macroscale, this review focuses on the synoptic pattern, since certain. Ozone and its precursors can float hundreds of kilometers from their sources and its formation often happens only during its moving with air masses.

Since there are less chemical reagents by which its dissolution takes place far from the cities, the amount of ozone above cities is relatively small while passing away from urban areas this amount.

But the atmosphere continues to surprise us, and some atmospheric scientists recently demonstrated a new spin on the ozone recovery story that may change its ending. Well before the expected stratospheric ozone layer recovery date ofozone's effects on climate may become the main driver of ozone loss in the stratosphere.

Ozone layer, region of the upper atmosphere, between roughly 15 and 35 km (9 and 22 miles) above Earth’s surface, containing relatively high concentrations of ozone molecules.

Approximately 90 percent of the atmosphere’s ozone occurs from 10–18 km (6–11. Ozone concentrations can vary more than 20% within hours, more than 50% between seasons, and widely over broad geographic regions.

Other gases, such as the hydroxyl radical (OH), that are formed from or interact chemically with ozone in the lower atmosphere may change in response to changes in ozone but these do not typically have as major effects on temperature.

Severe weather events caused insurance at some Alberta school districts to ‘There’s gonna be a lot of open water’ N.W.T. elder warns. The lateral meteorological boundary is updated every 6 h. The chemical lateral boundary conditions are constrained by the global chemical transport model (MOART: Model for Ozone and Related chemical Tracers) with aerosol formation modules (Tie et al., ; Emmons et al., ).

Jelena Kovačić, Marc Wittlich, Swen Malte John, Jelena Macan, Personal ultraviolet radiation dosimetry and its relationship with environmental data: A longitudinal pilot study in Croatian construction workers, Journal of Photochemistry and Photobiology B: Biology, /biol, (), ().

The diurnal cycle of tropical convection and its relationship to the atmospheric tides is investigated using an aquaplanet GCM. The diurnal and semidiurnal harmonics of precipitation are both found to contribute significantly to the total diurnal variability of precipitation in the model, which is broadly consistent with observations of the diurnal cycle of convection over the open ocean.