Original title: Headwaters biogeochemistry focused on different rainfall-runoff conditions, and the role of waterlogged areas
Authors: Fraindová, K. ; Kliment, Z. ; Matoušková, M. ; Vlček, Lukáš ; Vlach, V.
Document type: Papers
Conference/Event: Hydrologie malého povodí 2023, Praha (CZ), 20230530
Year: 2023
Language: eng
Abstract: River headwaters have a high environmental value. Unfortunately, the biogeochemical process in headwaters in context of different rainfall-runoff conditions and specific land cover have not been fully examined. This study focuses on changes in correlations of 16 biogeochemical parameters related to different types of rainfall-runoff events and land cover conditions for eight headwater catchments in Central Europe. Multiple methods as linear regression, Spearman rank correlation, Principal Components Analysis and C/Q hysteresis loops revealed main relationships. Presence of peatlands and waterlogged spruce forests had decisive influence on the biogeochemistry (mainly for COD(Mn), humins, Fe, P-PO4(3-) TP, and N-NO3(-)). The strongest positive correlation of organic matter (COD(Mn)) and Fe is represented in a catchment with the largest area of damaged forest (70 %), but with a smaller proportion of wetlands (8 %). High flow rates influence the release of greater amounts of organic matter and N-NO3(-).
Keywords: headwater areas; organic matter; peatbogs; rainfall-runoff events; water quality; waterlogged areas
Project no.: GA22-12837S (CEP)
Funding provider: GA ČR
Host item entry: Hydrologie malého povodí 2023, ISBN 978-80-87117-22-4

Institution: Institute of Hydrodynamics AS ČR (web)
Document availability information: Fulltext is available at external website.
External URL: https://www.ih.cas.cz/wp-content/uploads/2023/02/HMP2023_Sbornik.pdf
Original record: https://hdl.handle.net/11104/0366159

Permalink: http://www.nusl.cz/ntk/nusl-678970


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