ELECTRICAL CONDUCTIVITY AND pH IN SURFACE WATER AS TOOL FOR IDENTIFICATION OF CHEMICAL DIVERSITY - Publication - Bridge of Knowledge

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ELECTRICAL CONDUCTIVITY AND pH IN SURFACE WATER AS TOOL FOR IDENTIFICATION OF CHEMICAL DIVERSITY

Abstract

In the present study, the creeks and lakes located at the western shore of Admiralty Bay were analysed. The impact of various sources of water supply was considered, based on the parameters of temperature, pH and specific electrolytic conductivity (SEC25). All measurements were conducted during a field campaign in January-February 2017. A multivariate dataset was also created and a biplot of SEC25 and pH of the investigated waters was performed. The average temperatures of the investigated waters were 0.10-8.10 °C. The pH values indicate that most of the water environments of the analysed area are slightly acidic to alkaline (5.26-8.50) with two exceptions: Siodlo II Creek (9.26) and Petrified Forest Creek (8.95), which are characterised by greater alkalinity. At the measurement points closest to the Baranowski Glacier and Ecology Glacier, SEC25 values were the lowest (26.8-61.1 μS·cm–1), while the remaining values ranged from 79.0 to 382 μS·cm–1 for the whole studied area. Based on the results it is concluded that the periodic intensive inflow of ablation waters, combined with morphological changes in the glacier front, causes a significant variability in the outflow network, creating the conditions for changes in basic physicochemical parameters. Moreover, it is observed that local depressions in the terrain form sedimentation traps in which, alongside fine-grained deposits, compounds can accumulate that originate from in situ sedimentation and that are also associated with surface runoff from the melting of snow cover, buried ice and permafrost.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
Ecological Chemistry and Engineering S - Chemia i Inżynieria Ekologiczna S no. 27, pages 95 - 111,
ISSN: 1898-6196
Language:
English
Publication year:
2020
Bibliographic description:
Potapowicz J., Szumińska D., Szopińska M., Sebastian C., Polkowska Ż.: ELECTRICAL CONDUCTIVITY AND pH IN SURFACE WATER AS TOOL FOR IDENTIFICATION OF CHEMICAL DIVERSITY// Ecological Chemistry and Engineering S-Chemia I Inzynieria Ekologiczna S -Vol. 27,iss. 1 (2020), s.95-111
DOI:
Digital Object Identifier (open in new tab) 10.2478/eces-2020-0006
Verified by:
Gdańsk University of Technology

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