Document Detail


Does stream water chemistry reflect watershedcharacteristics?
MedLine Citation:
PMID:  23142877     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this study, we investigated the relationships between stream water chemistry and watershed characteristics (topography-mean altitude and slope; climate-mean annual temperature and precipitation; geology-geochemical reactivity; land cover; inhabitation-population density, road density and number of municipalities). We analyzed the concentrations of the major anions (Cl, F, NO(3), SO(4), SiO(2)), cations (Ca, Mg, Na, K, Mn, Fe, Al), trace elements (Li, Sr, Cu), ABS(245), TDP (total dissolved phosphorus), pH, and conductivity at 3,220 diverse watersheds covering a wide variety of watershed characteristics in the Czech Republic. We used marginal and partial multivariate analyses to reveal the most important variables. The partial analysis showed that only 14 % of the variance could be assigned to a specific factor and that 41 % of the variance is shared among the factors, which indicated complex interactions between the watershed characteristics.
Authors:
Tomáš Chuman; Jakub Hruška; Filip Oulehle; Pavla Gürtlerová; Vladimír Majer
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-11
Journal Detail:
Title:  Environmental monitoring and assessment     Volume:  -     ISSN:  1573-2959     ISO Abbreviation:  Environ Monit Assess     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508350     Medline TA:  Environ Monit Assess     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Environmental Geochemistry and Biogeochemistry, Czech Geological Survey, Klárov 3, 118 21, Prague 1, Czech Republic, tomas.chuman@email.cz.
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