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Košetice Observatory - 25 Years
- 1.
SYSNO ASEP 0442650 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Long-term hydrochemical monitoring in the Anensky potok catchment as a part of the geomon network Author(s) Oulehle, Filip (UEK-B) RID, ORCID, SAI
Fottová, Daniela (UEK-B)
Hruška, Jakub (UEK-B) RID, SAI, ORCID
Krám, Pavel (UEK-B) RID, SAI, ORCID
Štěpánová, M. (CZ)
Váňa, M. (CZ)Source Title Košetice Observatory - 25 Years, 1.. - Prague : Czech Hydrometeorological Institute, 2014 / Holubová Šmejkalová A. - ISBN 978-80-87577-40-0 Pages s. 85-91 Number of pages 7 s. Number of copy 250 Number of pages 91 Publication form Print - P Language eng - English Country CZ - Czech Republic Keywords sulfur ; nitrogen ; catchment ; budget ; acidification ; recovery ; soil ; C/N Subject RIV EH - Ecology, Behaviour Institutional support RVO:67179843 - RVO:67179843 Annotation Anenský Potok is a small forested catchment (27 ha), operated as an integral part of the Košetice Observatory, where monthly measurements of elements input (bulk precipitation and throughfall deposition) and output (runoff chemistry) have been monitored since 1990. The catchment is a part of the International Cooperative Programme on Integrated Monitoring of Air Pollution Effects on Ecosystems and of a national small catchment monitoring network GEOMON. The main research objective is to examine the temporal changes in input-output budgets of major elements as a function of air pollution, climate and management practices. Since 1994, reduction of dust, SO2, NOx and NH3 emissions in the Czech Republic effectively induced changes in precipitation chemistry. The most significant changes in Anenský Potok were: i) reduction of S total deposition by 68%, ii) increase of throughfall pH from 4 to 5.7 and iii) relatively stable inorganic nitrogen (N) input into the forest ecosystem. Contrary to the general trends of streamwater chemistry across GEOMON network (decline of SO4, Al concentrations and increase of pH), Anenský potok stream water chemistry did not change significantly. This was due to the low water transport and relatively high buffering capacity of catchment soils. However, NO3 concentration significantly decreased, thus better immobilization of inorganic N has been observed recently – similar to the majority of the GEOMON catchments. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2015
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