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Panagiotou Constantinos F. Stefan Catalin Papanastasiou Panos Sprenger Christoph 《Environmental science and pollution research international》2023,30(6):14424-14438
Environmental Science and Pollution Research - A quantitative microbial risk assessment was conducted to assess the health risks associated with the exposure of agricultural workers to tertiary... 相似文献
124.
The self-organising map approach was used to assess the efficiency of chlorinated solvent removal from petrochemical wastewater in a refinery wastewater treatment plant. Chlorinated solvents and inorganic anions (11 variables) were determined in 72 wastewater samples, collected from three different purification streams. The classification of variables identified technical solvents, brine from oil desalting and runoff sulphates as pollution sources in the refinery, affecting the quality of wastewater treatment plant influent. The classification of samples revealed the formation of five clusters: the first three clusters contained samples collected from the drainage water, process water and oiled rainwater treatment streams. The fourth cluster consisted mainly of samples collected after biological treatment, and the fifth one of samples collected after an unusual event. SOM analysis showed that the biological treatment step significantly reduced concentrations of chlorinated solvents in wastewater. 相似文献
125.
Mackenzie BR Meier HE Lindegren M Neuenfeldt S Eero M Blenckner T Tomczak MT Niiranen S 《Ambio》2012,41(6):626-636
Understanding how climate change, exploitation and eutrophication will affect populations and ecosystems of the Baltic Sea can be facilitated with models which realistically combine these forcings into common frameworks. Here, we evaluate sensitivity of fish recruitment and population dynamics to past and future environmental forcings provided by three ocean-biogeochemical models of the Baltic Sea. Modeled temperature explained nearly as much variability in reproductive success of sprat (Sprattus sprattus; Clupeidae) as measured temperatures during 1973-2005, and both the spawner biomass and the temperature have influenced recruitment for at least 50 years. The three Baltic Sea models estimate relatively similar developments (increases) in biomass and fishery yield during twenty-first century climate change (ca. 28 % range among models). However, this uncertainty is exceeded by the one associated with the fish population model, and by the source of global climate data used by regional models. Knowledge of processes and biases could reduce these uncertainties. 相似文献
126.
A modified version of the Multimedia Activity Model for Ionics MAMI, including two-layered atmosphere, air-water interface partitioning, intermittent rainfall and variable cloud coverage was developed to simulate the atmospheric fate of ten low volatility or ionizable organic chemicals. Probabilistic simulations describing the uncertainty of substance and environmental input properties were run to evaluate the impact of atmospheric parameters, ionization and air-water (or air-ice) interface enrichment.The rate of degradation and the concentration of OH radicals, the duration of dry and wet periods, and the parameters describing air-water partitioning (KAW and temperature) and ionization (pKa and pH) are the key parameters determining the potential for long range transport. Wet deposition is an important removal process, but its efficiency is limited, primarily by the duration of the dry period between precipitation events.Given the underlying model assumptions, the presence of clouds contributes to the higher persistence in the troposphere because of the capacity of cloud water to accumulate and transport non-volatile (e.g. 2,4-D) and surface-active chemicals (e.g. PFOA). This limits the efficiency of wet deposition from the troposphere enhancing long-range transport. 相似文献
127.
Halbert-Howard Aladdin Häfner Franziska Karlowsky Stefan Schwarz Dietmar Krause Ariane 《Environmental science and pollution research international》2021,28(42):59304-59304
Environmental Science and Pollution Research - The average nutrient concentrations values presented in Table 1 on page 4 in the publication have the unit mg L?1 for the mineral nutrients Fe,... 相似文献
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Stefan Trapp Brian Harland 《Environmental science and pollution research international》1995,2(3):164-169
Four volatilization models were tested against field data from the Manchester Ship Canal and the River Main. The equations byMacKay andYeun, using Schmidt number and wind speed for the calculation of volatilization rate, were found to give the best results for the slowly flowing Ship Canal. Models using flow velocity grossly underestimated the real values for this waterway but were found to be superior for the faster flowing River Main. The results of this work indicate that volatilization models should be carefully chosen for a particular environmental situation. Additionally, the importance of the validation of such models against field data is emphasised. 相似文献
130.
Sven Scheil Guido Baumgarten Bernhard Reiter Stefan Schwartz Jan Oliver Wagner Stefan Trapp Michael Matthies 《Environmental science and pollution research international》1995,2(4):238-241
The model system CemoS1 (Chemical Exposure Model System) was developed for the exposure prediction of hazardous chemicals released to the environment.
Eight different models were implemented involving chemicals fate simulation in air, water, soil and plants after continuous
or single emissions from point and diffuse sources. Scenario studies are supported by a substance and an environmental data
base. All input data are checked on their plausibility. Substance and environmental process estimation functions facilitate
generic model calculations. CemoS is implemented in a modular structure using object-oriented programming.
e-mail: cemos@aphrodite.mathematik.uni-osnabrueck.de 相似文献