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Wyszukujesz frazę "Baltic crude oil" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Light scattering in Baltic crude oil - seawater emulsion
Autorzy:
Stelmaszewski, A.
Krol, T.
Toczek, H.
Powiązania:
https://bibliotekanauki.pl/articles/47707.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
marine environment
sea water emulsion
Baltic Sea
light scattering
sea water
Baltic crude oil
petroleum
Opis:
The paper discusses the scattering of radiation by a Baltic crude oil –sea water emulsion. The scattering spectrum calculated using the Mie solution in the spectral range from 380 nm to 730 nm is compared with the measured spectrum of light scattered through a right angle. Spectra in the wavelength range from 210 nm to 730 nm were measured using a spectrofluorimeter for fresh and stored samples of the Baltic crude oil emulsion. Scattering increases with wavelength in the UV range and then decreases slightly with the wavelength of visible light. The result of the calculation is similar to the measured spectra. Both the calculated and measured spectra display numerous relative extremes throughout the spectral area. Light scattering in the emulsion decreases during storage as the oil concentration in the medium diminishes. The results also demonstrate that the single scattering model describes the phenomenon correctly.
Źródło:
Oceanologia; 2009, 51, 3; 405-414
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability in the optical properties of a crude oil - seawater emulsion
Autorzy:
Krol, T.
Stelmaszewski, A.
Freda, W.
Powiązania:
https://bibliotekanauki.pl/articles/48199.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
variability
Sopot
crude oil
petroleum pollution
emulsion
conference
Baltic Sea
optical property
light scattering
Opis:
The paper analyses the optical properties of a crude oil –sea water emulsion, which is a form of petroleum pollution of the sea. These properties depend on the spillage concentration, the optical characteristics of the seawater and oil in question, and on the size distribution of the oil droplets. They may be described by the attenuation specific cross-sections and absorption specific cross-sections. Specific cross-sections and other optical parameters for droplets of a Baltic crude oil –Bal tic seawater emulsion were calculated using Mie’s solution. These characteristics were computed for fresh and weathered petroleum.
Źródło:
Oceanologia; 2006, 48, S
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermoelastic surface properties of seawater in coastal areas of the Baltic Sea
Autorzy:
Boniewicz-Szmyt, K.
Pogorzelski, S.J.
Powiązania:
https://bibliotekanauki.pl/articles/48574.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
thermoelastic surface property
viscoelasticity
surface tension
sea water
Baltic Sea
coastal area
crude oil
physicochemical property
Źródło:
Oceanologia; 2016, 58, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Baltic Sea - an example of how to protect marine coastal ecosystems
Autorzy:
Nehring, D.
Powiązania:
https://bibliotekanauki.pl/articles/48329.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
marine environment
crude oil
inorganic nutrient
environment
trace metal
ecosystem protection
contamination
chlorinated hydrocarbon
HELCOM Baltic Monitoring Programme
Baltic Sea
eutrophication
Opis:
The Baltic Sea covers an area of 415 000 km2. A typical brackish sea, it is very sensitive to anthropogenic activities. Inorganic nutrients, trace metals, chlorinated hydrocarbons and crude oil products are contaminants studied in the Baltic Monitoring Programme of HELCOM. The data collected by the riparian countries forms the basis for the periodic assessments of the state of the marine environment of the Baltic Sea Area produced by HELCOM every five years. Since 1992 marine nature conservation has been part of the HELCOM convention. According to the third status report issued in 1996, it was the first time that HELCOM could strike a positive balance with regard to the decreasing environmental load. This is also reflected in lower concentrations of harmful substances in fish, marine mammals and seabirds in the Baltic Sea Area. The reasons for this progress are the protective actions initiated by HELCOM and the economic collapse in some of the former East Bloc countries, the latter resulting in an abrupt fall in industrial and agricultural production. Although the restoration of the Baltic ecosystem has only just begun, the protective measures introduced to achieve this aim can serve as an example of how to solve similar problems in other semi-enclosed basins and shelf seas.
Źródło:
Oceanologia; 2001, 43, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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