Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Barbara Walna"'
Autor:
Barbara Walna
Publikováno v:
Atmospheric Pollution Research. 6:778-787
The paper presents the results of long–term measurements of rain chemistry in the woodland area of the Wielkopolski National Park (Western Poland) experiencing some human impact. The ions predominating in precipitation turned out to be those of amm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6157b2b65d0a7a73be299b231e12104c
https://doi.org/10.5094/apr.2015.086
https://doi.org/10.5094/apr.2015.086
Autor:
Barbara Walna
Publikováno v:
Atmospheric Pollution Research. 6(4):651-661
The amount, pH, and electrical conductivity of precipitation, based on multi–year observations (1992–2013) carried out in the Wielkopolski National Park (WNP), are summarized. A systematic study of individual precipitation events in open terrain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57784060e77df15c6e1130ef26094e15
Publikováno v:
Archives of Environmental Protection. 39:3-16
The occurrence of heavy metals (Cd, Cr, Cu, Ni, Pb, Zn) has been determined in the fluvial sediment samples collected along three transects in the Middle Odra River (western Poland) with a width of 360 m. The total concentrations of the metals were o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82f00800dc6aeed3aa96e3721a4eda2a
https://doi.org/10.2478/aep-2013-0012
https://doi.org/10.2478/aep-2013-0012
Autor:
Barbara Walna
Publikováno v:
Journal of Integrative Environmental Sciences. 10:17-38
A study was carried out in the Wielkopolski National Park (mid-western Poland) to trace the pathways along which pollutants migrated from an area that was previously in agricultural use. During a 1-year study, major ions (Na+, NH4 + K+, Ca2+, Mg2+, C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e592925691059be3ccd39a885059047
https://doi.org/10.1080/1943815x.2012.759976
https://doi.org/10.1080/1943815x.2012.759976
Publikováno v:
Environmental Monitoring and Assessment
A 2-year study (2010-2011) of fluorides in atmospheric precipitation in the open area and in throughfall in Wielkopolski National Park (west-central Poland) showed their high concentrations, reaching a maximum value of 2 mg/l under the tree crowns. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::527c6c54ca6b3ff857ac516e2b369e8e
http://europepmc.org/articles/PMC3667360
http://europepmc.org/articles/PMC3667360
Autor:
Marcin Siepak, Barbara Walna
Publikováno v:
Environmental Monitoring and Assessment. 184:3315-3340
The migration pathways of heavy metals derived from an area previously in agricultural use was investigated in the Wielkopolski National Park (mid-western Poland). The heavy metals involved (Cd, Cu, Cr, Pb, Ni and Zn) were determined in groundwater,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2f4036b527ae154c28e071028347e8a
https://doi.org/10.1007/s10661-011-2191-7
https://doi.org/10.1007/s10661-011-2191-7
Publikováno v:
International Journal of Environmental Analytical Chemistry. 89:901-916
The paper presents some research problems concerning the use of different methodologies, particularly focusing on reliability and comparability based on the authors’ own research and some literatur...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2949612c8b9b081f7548eb24608b06ca
https://doi.org/10.1080/03067310903023627
https://doi.org/10.1080/03067310903023627
Publikováno v:
Chemistry and Ecology. 25:87-97
A highly informative chemometrical method using linear discriminant analysis was employed in this paper for the characterisation and classification of hoarfrost samples collected in Poland. From the classification matrix, it was concluded that good d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d55d611df912a11b91df39e0f8dd14
https://doi.org/10.1080/02757540902758768
https://doi.org/10.1080/02757540902758768
Autor:
Żaneta Polkowska, Jacek Namieśnik, Kamila Klimaszewska, Mieczysław Sobik, Barbara Walna, Marek Błaś
Publikováno v:
Journal of Atmospheric Chemistry. 62:5-30
Hoarfrost and rime analysis was based on the collection of samples between 2003 and 2006 from 8 sites, which represent both lowland (northern) and mountainous (southern) parts of Poland. On the other hand 4 of these sites belong to “urban” and 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77c15c5884e8868bf1b0c9d0974e5f45
https://doi.org/10.1007/s10874-009-9141-6
https://doi.org/10.1007/s10874-009-9141-6
Publikováno v:
Journal of Environmental Science and Health, Part A. 43:313-328
This study was carried out over a period of 4 years (2002-2005) at 2 sites located in western Poland differing as regards to human impact by analysis of chemical composition of bulk precipitation. The aim of the study was to determine the sources of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::045cbb10336e62579c3000ca598cbaeb
https://doi.org/10.1080/10934520701792852
https://doi.org/10.1080/10934520701792852