The influence of contrasting ambient SO2 concentrations in the Czech Republic in 1995 and in 2010 on the characteristics of spruce bark, used as an air quality indicator

2014 ◽  
Vol 39 ◽  
pp. 144-152 ◽  
Author(s):  
Ivan Suchara ◽  
Julie Sucharová ◽  
Marie Holá
Keyword(s):  
Czech Republic ◽  
Air Quality ◽  
Quality Indicator ◽  
The Czech Republic ◽  
Spruce Bark

Long-term behaviour of 137Cs in spruce bark in coniferous forests in the Czech Republic

2014 ◽  
Vol 184 ◽  
pp. 511-514 ◽  
Author(s):  
Petr Rulík ◽  
Helena Pilátová ◽  
Ivan Suchara ◽  
Julie Sucharová
Keyword(s):  
Czech Republic ◽  
Coniferous Forests ◽  
The Czech Republic ◽  
Spruce Bark

scholarly journals Long-Term Trends of Air Pollution at National Atmospheric Observatory Košetice (ACTRIS, EMEP, GAW)

Atmosphere ◽  
2020 ◽  
Vol 11 (5) ◽  
pp. 537
Author(s):  
Milan Váňa ◽  
Adéla Holubová Smejkalová ◽  
Jaroslava Svobodová ◽  
Pavel Machálek
Keyword(s):  
Czech Republic ◽  
Air Quality ◽  
Kendall Test ◽  
Significant Drop ◽  
The Czech Republic ◽  
Pollution Levels ◽  
Volatile Organic ◽  
International Projects ◽  
Long Term Trends

The National Atmospheric Observatory Košetice operated by the Czech Hydrometeorological Institute was established in 1988 as a station specializing in air quality monitoring at the background scale. The observatory is located in the free area outside of the settlement and represents the Czech Republic in various international projects. The objective of the present study is to detect the long-term trends of air quality at the background scale of the Czech Republic. The statistical method used for trend analysis is based on the nonparametric Mann–Kendall test. Generally, the results show that the fundamental drop in emission of basic air pollutants was reflected in the significant decrease in pollution levels. A most significant drop was detected for sulphur. No trend was found for NO2 in 1990–2012, but a visibly decreasing tendency was registered in the last 7 years. A slightly decreasing trend was registered for O3 in the whole period, but a slightly increasing tendency was found after 2006. More importantly, the number of episodes exceeding the target value for human health dropped significantly. The reduction of volatile organic compounds (VOCs) emissions was reflected in a statistically significant decrease of concentrations. Only isoprene, which is of natural origin, displays an inverse trend. Concentrations of elemental carbon (EC) and organic carbon (OC) dropped since 2010, but only for EC is the trend statistically significant.

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