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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Biomass utilization as resource of energy
 Pavlíková, Monika ; Zachariáš, Jiří (advisor) ; Petříková, Vlasta (referee)
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Estimation of exposure index for surface ozone AOT40 from diffusive sampler measurements
 Pavlíková, Monika ; Hůnová, Iva (advisor) ; Matoušková, Leona (referee)
The study summerizes methods of ozone AOT40 index estimation from time intergarated passive sampler measurements in forests. Ground-level ozone is a highly phytotoxic atmospheric pollutant. In recent years negative impacts of elevated concentrations of ground-level ozone on vegetation and ecosystems have been studied and atmospheric levels of ozone have been measured. There is a noticeable negative impact of elevated concentrations of ground-level ozone on forests in the Czech Republic, mainly in rural areas that are far away from the emission sources. The AOT40F exposure index is a tool to assess the geographical areas with vegetation potentially at risk due to elevated ground-level ozone concentrations. The AOT40 index is the accumulated hourly exposure during daytime hours above cut-off concentration of 40 ppb, during the growing season. Passive samplers are used for measuring ground-level ozone in high spatial resolution. Passive samplers are easy to use. However this metod provides time intergrated values of pollutant concentrations (1-2 weeks). It is not possible to estimate AOT40 index by using just data of mean ozone concentrations over the sampling period. Three methods were used to estimate the exposure index AOT40F for forests by mean ozone concentrations measured in the Jizerské Hory...
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See also: similar author names
14 PAVLÍKOVÁ, Michaela
5 Pavliková, Martina
3 Pavlíková, Magdaléna
5 Pavlíková, Marcela
2 Pavlíková, Marie
9 Pavlíková, Markéta
5 Pavlíková, Martina
14 Pavlíková, Michaela
1 Pavlíková, Miriam
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