Hydrogeochemical and Biogeochemical Processes in Kaffiøyra River Catchments (Spitsbergen, Norway)

Borysiak Janina (), Grześ Marek, Pulina Marian and Szpikowska Grażyna
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Borysiak Janina: Adam Mickiewicz University in Poznań, Institute of Physical Geography and Environmental Planning, Poznań, Poland
Grześ Marek: Nicolaus Copernicus University, Department of Hydrology and Water Management, Toruń, Poland
Pulina Marian: Silesian University, Faculty of Earth Sciences, Sosnowiec, Poland
Szpikowska Grażyna: Adam Mickiewicz University in Poznań, Geoecological Station in Storkowo, Poznań, Poland

Quaestiones Geographicae, 2015, vol. 34, issue 1, 111-124

Abstract: The paper presents the results of hydrogeochemical and biogeochemical studies in the area of Kaffiøyra river catchments in the ablation season 2004. Vegetation, hydrological regime, mineralization and ionic composition of circulating waters, rate of annual chemical denudation and biogenic CO2 content in soil air in relation to the concentration of dissolved and transported HCO3 - ions were documented. The waters represented the type HCO3 - - SO42- - Ca2+ - Mg2+. Most of ions showed a good correlation with electrical conductivity. A good correlation between dissolved and transported mass and the discharge was shown. The value of the chemical denudation in non-glacierized catchments of the Kaffiøyra plain was 0.07 and 0.13 t km-2 d-1, in glacierized catchment - 0,21 t km-2 d-1. The biogenic CO2 concentrations in tundra soil air ranged from 0.03-0.08%, while the average was 0.046%. The mean rate of CO2 ionic transport was 3 kg d-1, while of HCO3 - - 0.63 t d-1. A low correlation between the concentration of biogenic CO2 in soil air and HCO3 - was found, which indicates the involvement of other, unexamined bio- and physico-chemical processes.

Keywords: Arctic; biogenic CO2; chemical denudation; hydrochemistry; hydrology; tundra vegetation (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:quageo:v:34:y:2015:i:1:p:111-124:n:10

DOI: 10.1515/quageo-2015-0010

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