Atmospheric Ozone, 1985: Ozone reference profiles PDF Download
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Author:
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ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 370
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Book Description
Author:
Publisher:
ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 370
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Book Description
Author:
Publisher:
ISBN:
Category : Atmospheric ozone
Languages : en
Pages : 532
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Book Description
Author:
Publisher:
ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 524
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Author:
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ISBN:
Category : Astronautics
Languages : en
Pages : 120
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Author:
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ISBN:
Category : Meteorology
Languages : en
Pages : 934
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ISBN:
Category : Air
Languages : en
Pages : 196
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Book Description
Author: Environmental Research Laboratories (U.S.)
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Category : Environmental protection
Languages : en
Pages : 224
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Book Description
Author: H. Niki
Publisher: Springer Science & Business Media
ISBN: 3642782116
Category : Science
Languages : en
Pages : 431
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Book Description
The Arctic troposphere (0 to ca. 8 km) plays an important role in environmental concerns for global change. It is a unique chemical reactor influenced by human activity and the Arctic ocean. It is surrounded by industrialized continents that in winter contribute gaseous and particulate pollution (Arctic haze). It is underlain by the flat Arctic ocean from which it is separated by a crack-ridden ice membrane 3 to 4 m thick. Ocean to atmosphere exchange of heat, water vapor and marine biogenic gases influence the composition of the reactor. From September 21 to December 21 to March 21, the region north of the Arctic circle goes from a completely sunlit situation to a completely dark one and then back to light. At the same time the lower troposphere is stably stratified. This hinders vertical mixing. During this light period, surface temperature reaches as low as -40°C. In this environment, chemical reactions involving sunlight are generally much slower than further south. Thus, the abundance of photochemically reactive compounds in the atmosphere can be high prior to polar sunrise. Between complete dark in February and complete light in April, a number of chemical changes in the lower troposphere take place.
Author:
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ISBN:
Category :
Languages : en
Pages : 570
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Book Description
Author: H. Van Dop
Publisher: Springer Science & Business Media
ISBN: 1461530520
Category : Science
Languages : en
Pages : 768
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Book Description
The interest in air pollution modelling has shown substantial growth over the last five years. This was particularly evident by the increasing number of participants attending the NATO/CCMS International Technical Meetings on Air Pollution modelling and its Application. At the last meeting 118 papers and posters were selected from an abundance of submitted abstracts divided over five modelling topics: (i) model assessment and verification, including policy applications, (ii) air pollution modelling in coastal areas with emphasis on the mediterranean region, (iii) accidental atmospheric releases, including warning systems and regulations, (iv) modelling of global and long-range transport and (v) new developments in turbulent diffusion. A round-table discussion chaired by John Irwin (USA) and Jan Kretzschmar (Belgium) on the harmonization of air pollution models was attended by more than 50 scientists and is reported in these proceedings. The opening paper addressed the main issue of this conference: modelling over complex terrain. Of particular interest were coastal areas where the surface inhomogeneities introduce small-scale circulation and varying atmospheric stability, often combined with a complex topography. As the conference was located on the beautiful island of Crete, problems faced by the host nation, particularly Athens and its environs were obvious examples for consideration. These together with other regions with similar geographical features were addressed. Heavily populated and industrialized as they often are, air quality is generally poor there and emission regulations are desired. Obviously, a major task of air pollution dispersion modelling is to assist policy makers in formulating sensible regulations.
