Acid atmospheric deposition in a forested mountain catchment
Josef Krecek (1), Ladislav Palán (1) , Evžen Stuchlík (2)
iForest - Biogeosciences and Forestry, Volume 10, Issue 4, Pages 680-686 (2017)
doi: https://doi.org/10.3832/ifor2319-010
Published: Jul 17, 2017 - Copyright © 2017 SISEF
Research Articles
Abstract
Acid atmospheric deposition is harmful to both forest and aquatic ecosystems. In mountain catchments, acidification also leads to difficulties in water resource management. In 2010-2012, acid atmospheric deposition was analysed in a small forest catchment located in the upper plain of the Jizera Mountains (Czech Republic). Patch observations included monitoring of the canopy interception in two mature stands of Norway spruce (Picea abies) at elevations of 745 and 975 metres a.s.l., and twelve passive fog collectors situated along an elevation gradient between 862 and 994 metres a.s.l. In the studied area, fog (and low cloud) precipitation starts to affect the interception loss of the spruce canopy at elevations above 700 metres. However, fog drip was found to also rise with the canopy area. At the catchment scale, methods of spatial interpolation (ArcGIS 10.2) were used to approximate the aerial atmospheric deposition of water and acidic substances (sulphate, nitrate and ammonia). In the watersheds of two adjacent drinking water reservoirs, Josefuv Dul and Souš, the mean annual fog drip from the canopy was between 88 and 106 mm (i.e., 7-8% of the mean annual gross precipitation, or 10-12% of the mean annual runoff). Simultaneously, this load also deposited 658 kg km-2 of sulphur and 216 kg km-2 of nitrogen (i.e., 55% and 48% of the “open field” bulk amounts). Therefore, in headwater catchments stressed by acidification, the additional precipitation (measured under the canopy) can increase the water yield, but can also contribute to a decline in water quality, particularly in environments of low buffering capacity.
Keywords
Mountain Watershed, Spruce Forests, Acid Atmospheric Deposition, Water Resources Recharge
Authors’ Info
Authors’ address
Ladislav Palán
Department of Hydraulics and Hydrology, Czech Technical University in Prague, Thákurova 7, CZ-166 29 Prague 6 (Czech Republic)
Institute of Hydrobiology, Biology Centre CAS, Na Sádkách 7, CZ-37005 Ceské Budejovice (Czech Republic)
Corresponding author
Paper Info
Citation
Krecek J, Palán L, Stuchlík E (2017). Acid atmospheric deposition in a forested mountain catchment. iForest 10: 680-686. - doi: 10.3832/ifor2319-010
Academic Editor
Elena Paoletti
Paper history
Received: Dec 16, 2016
Accepted: May 08, 2017
First online: Jul 17, 2017
Publication Date: Aug 31, 2017
Publication Time: 2.33 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2017
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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