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131.
Survey for the occurrence of antifouling paint booster biocides in the aquatic environment of Greece
Sakkas VA Konstantinou IK Lambropoulou DA Albanis TA 《Environmental science and pollution research international》2002,9(5):327-332
Since the restriction imposed by European Union regulations on the use of TBT-based antifouling paints on boats below 25 m in length, new terms have been introduced in the 'small boat' market. Replacement products are generally based on copper metal oxides and organic biocides. Several studies have demonstrated the presence of these biocides in European ports and marinas of Spain, France, Germany and the United Kingdom. An extended survey of the antifouling biocides chlorothalonil, dichlofluanid, irgarol 1051 and sea-nine 211 was carried out in Greek ports and marinas of high boating activities from October 1999 to September 2000. The sampling sites were: Piraeus, Elefsina, Thessaloniki, Patras, Chalkida, Igoumenitsa, and Preveza (Aktio). The extraction of these compounds from the seawater samples was performed off-line with C18 solid phase extraction (SPE) disks while the determination was carried out with gas chromatography coupled to electron capture (ECD), thermionic (FTD) and mass spectroscopy (MS) detectors. The concentration levels of biocides were higher during the period from April to October. This seasonal impact depends on the application time of antifouling paints and mimic trends in the seasonal distribution of biocides in other European sites. 相似文献
132.
Gkika Despina A. Mitropoulos Athanasios C. Lambropoulou Dimitra A. Kalavrouziotis Ioannis K. Kyzas George Z. 《Environmental science and pollution research international》2022,29(50):75223-75247
Environmental Science and Pollution Research - Over the past three decades, environmental concerns about the water pollution have been raised on societal and industrial levels. The presence of... 相似文献
133.
Atmospheric depositional fluxes of the naturally occurring 7Be of cosmogenic origin and 137Cs from fallout of the Chernobyl accident were measured over a 6-year period (January 1987-December 1992) at Thessaloniki, Greece (40 degrees 38'N, 22 degrees 58'E). Total precipitation accumulation during 1987-1992 varied between 33.7 cm and 65.2 cm, reflecting a relatively dry (precipitation-free) climate. The activity concentrations of 7Be and 137Cs in rainwater depended on the precipitation rate, being higher for low precipitation rates and lesser for high precipitation rates. 137Cs was removed by rain and snow more efficiently than 7Be. Snowfall was more efficient than rainfall in removing the radionuclides from the atmosphere. The annual bulk depositional fluxes of 7Be varied between 477 and 1133 Bq m(-2) y(-1) and this variability was attributed to the amount of precipitation and the variations of the atmospheric concentrations of 7Be. The annual bulk depositional fluxes of 137Cs showed a significant decrease over time from 1987 to 1992, resulting in a removal half-life of 1.33 years. The presence of 137Cs in air, and therefore in rainwater and snow, long after the Chernobyl accident (26 April 1986) was mainly due to the resuspension process. The normalized depositional fluxes of both radionuclides showed maximal values during the spring season where the maximum amount of precipitation occurred. The relatively high positive correlation between 7Be and 137Cs normalized depositional fluxes indicates that the scavenging process of local precipitation controlled the fluxes of both radionuclides. The dry depositional flux of 7Be was less than 9.37% of total (wet and dry) depositional flux. The fraction of dry-to-total depositional flux of 137Cs was much higher than that of 7Be, due to the resuspended soil. 相似文献
134.
Pavlidou S Koroneos A Papastefanou C Christofides G Stoulos S Vavelides M 《Journal of environmental radioactivity》2006,89(1):48-60
Sixteen kinds of different granites, used as building materials, imported to Greece mainly from Spain and Brazil, were sampled and their natural radioactivity was measured by gamma-ray spectrometry. The activity concentrations of (238)U, (226)Ra, (232)Th and (40)K of granites are presented and compared to those of other building materials as well as other granite types used all over the world. In order to assess the radiological impact from the granites investigated, the absorbed and the effective doses were determined. Although the annual effective dose is higher than the limit of 1mSvy(-1) for some studied granites, they could be used safely as building materials, considering that their contribution in most of the house constructions is very low. An attempt to correlate the relatively high level of natural radioactivity, shown by some of the granites, with their constituent radioactive minerals and their chemical composition, was also made. 相似文献
135.
The status of pesticide pollution in surface waters (rivers and lakes) of Greece. Part I. Review on occurrence and levels 总被引:2,自引:0,他引:2
Konstantinou IK Hela DG Albanis TA 《Environmental pollution (Barking, Essex : 1987)》2006,141(3):555-570
This review evaluates and summarizes the results of long-term research projects, monitoring programs and published papers concerning the pollution of surface waters (rivers and lakes) of Greece by pesticides. Pesticide classes mostly detected involve herbicides used extensively in corn, cotton and rice production, organophosphorus insecticides as well as the banned organochlorines insecticides due to their persistence in the aquatic environment. The compounds most frequently detected were atrazine, simazine, alachlor, metolachlor and trifluralin of the herbicides, diazinon, parathion methyl of the insecticides and lindane, endosulfan and aldrin of the organochlorine pesticides. Rivers were found to be more polluted than lakes. The detected concentrations of most pesticides follow a seasonal variation, with maximum values occurring during the late spring and summer period followed by a decrease during winter. Nationwide, in many cases the reported concentrations ranged in low ppb levels. However, elevated concentrations were recorded in areas of high pesticide use and intense agricultural practices. Generally, similar trends and levels of pesticides were found in Greek rivers compared to pesticide contamination in other European rivers. Monitoring of the Greek water resources for pesticide residues must continue, especially in agricultural regions, because the nationwide patterns of pesticide use are constantly changing. Moreover, emphasis should be placed on degradation products not sufficiently studied so far. 相似文献
136.
Kanellopoulos Theodore D. Kapetanaki Natalia Karaouzas Ioannis Botsou Fotini Mentzafou Angeliki Kaberi Helen Kapsimalis Vasilios Karageorgis Aristomenis P. 《Environmental science and pollution research international》2022,29(30):45190-45190
Environmental Science and Pollution Research - 相似文献
137.
Kanellopoulos Theodore D. Kapetanaki Natalia Karaouzas Ioannis Botsou Fotini Mentzafou Angeliki Kaberi Helen Kapsimalis Vasilios Karageorgis Aristomenis P. 《Environmental science and pollution research international》2022,29(30):45171-45189
Environmental Science and Pollution Research - This study is a first attempt to assess the trace element contamination status in the surface sediments of the Hellenic Seas since the first... 相似文献
138.
Kondakis Marios Demiris Nikolaos Ntzoufras Ioannis Papanikolaou Nikos E. 《Environmental and Ecological Statistics》2022,29(3):509-555
Environmental and Ecological Statistics - This paper is concerned with a contemporary Bayesian approach to the effect of temperature on developmental rates. We develop statistical methods using... 相似文献