Vlaanderen.be

Research output

Trends of nitrogen and sulphur deposition

Research output: Contribution to conferencePaper/Powerpoint/Abstract

Standard

Trends of nitrogen and sulphur deposition. / Waldner, Peter; Thimonier, An; Schmitt, Maria; Marchetto, Aldo; Rogora, Michela; Hansen, Karin; Pihl-Karlsson, Gunilla; Zlindra, Daniel; Granke, Oliver; Mues, Volker; Clarke, Nicholas; Verstraeten, Arne; Lazdins, Andis; Iacoban, Carmen; Lindroos, Antti-Jussi; Vanguelova, Elena; Benham, Sue; Schimming, Claus; Meesenburg, Henning; Nicholas, Manuel; Kowalska, Anna; Apuhtin, Vladislav; Nappa, Ulle; Lachmanova, Zora; Neumann, Markus; Kristöfel, Ferdinand; Ingerslev, Morten; Vesterdal, Lars; Molina, Juan; Bleeker, Albert; Seidling, Walter; Fischer, Uwe; Fischer, Richard; Lorenz, Martin.

2012. Paper presented at 1st ICP Forests Scientific Conference, Warschau, Poland.

Research output: Contribution to conferencePaper/Powerpoint/Abstract

Harvard

Waldner, P, Thimonier, A, Schmitt, M, Marchetto, A, Rogora, M, Hansen, K, Pihl-Karlsson, G, Zlindra, D, Granke, O, Mues, V, Clarke, N, Verstraeten, A, Lazdins, A, Iacoban, C, Lindroos, A-J, Vanguelova, E, Benham, S, Schimming, C, Meesenburg, H, Nicholas, M, Kowalska, A, Apuhtin, V, Nappa, U, Lachmanova, Z, Neumann, M, Kristöfel, F, Ingerslev, M, Vesterdal, L, Molina, J, Bleeker, A, Seidling, W, Fischer, U, Fischer, R & Lorenz, M 2012, 'Trends of nitrogen and sulphur deposition', Paper presented at 1st ICP Forests Scientific Conference, Warschau, Poland, 29/05/12 - 30/05/12.

APA

Waldner, P., Thimonier, A., Schmitt, M., Marchetto, A., Rogora, M., Hansen, K., ... Lorenz, M. (2012). Trends of nitrogen and sulphur deposition. Paper presented at 1st ICP Forests Scientific Conference, Warschau, Poland.

Author

Waldner, Peter ; Thimonier, An ; Schmitt, Maria ; Marchetto, Aldo ; Rogora, Michela ; Hansen, Karin ; Pihl-Karlsson, Gunilla ; Zlindra, Daniel ; Granke, Oliver ; Mues, Volker ; Clarke, Nicholas ; Verstraeten, Arne ; Lazdins, Andis ; Iacoban, Carmen ; Lindroos, Antti-Jussi ; Vanguelova, Elena ; Benham, Sue ; Schimming, Claus ; Meesenburg, Henning ; Nicholas, Manuel ; Kowalska, Anna ; Apuhtin, Vladislav ; Nappa, Ulle ; Lachmanova, Zora ; Neumann, Markus ; Kristöfel, Ferdinand ; Ingerslev, Morten ; Vesterdal, Lars ; Molina, Juan ; Bleeker, Albert ; Seidling, Walter ; Fischer, Uwe ; Fischer, Richard ; Lorenz, Martin. / Trends of nitrogen and sulphur deposition. Paper presented at 1st ICP Forests Scientific Conference, Warschau, Poland.

Bibtex

@conference{4fee3ebc5c1e4871acf50c9552bfc05d,
title = "Trends of nitrogen and sulphur deposition",
abstract = "Atmospheric deposition of acidifying compounds (e.g. S), nitrogen (N) as a nutrient and base cations (e.g. Ca) to forests is a major driver for many processes in forests. In Europe, various measures have been taken to reduce S and N deposition since the late 1980ties. Trend analyses are regularly performed based on measurement in open field by EMEP and in forests by ICPForests. However, various trend analyses techniques are in use. In this study the trends of bulk and throughfall N and S deposition on ICP-Forests level II sites have been investigated. Sulphur deposition showed a decreasing trend from 2001 to 2010 that has been identified to be significant for the majority of the about 50 sites with continuous data (linear regression, 95{\%} sign. Level). The mean thoughfall of theses sites decreased from about 12 kg S ha-1 a-1 in 2001 to about 6 kg S ha-1 a-1 (about 6{\%} a-1). For N this value decreased from about 15 kg N ha-1 a-1 to about 12 kg N ha-1 a-1 (about 2.5{\%} a-1), however, decreasing trends were identified to be significant for much fewer sites. In order to estimate the minimal detectable trend, p-values were plotted against the relative slope. Most p-values were in a similar bell-shaped band for time series with the same length for most ions. For time series with 10 years S deposition data, the band falls below 0.05 at relative slope larger than about 3{\%} a-1. With 6 years of data, relative slopes need to be larger to reliably attain p<0.05. Further, we will compare linear regression and Seasonal Mann-Kendall techniques and discuss common patterns in the long-term and short-term evaluation of the deposition.",
author = "Peter Waldner and An Thimonier and Maria Schmitt and Aldo Marchetto and Michela Rogora and Karin Hansen and Gunilla Pihl-Karlsson and Daniel Zlindra and Oliver Granke and Volker Mues and Nicholas Clarke and Arne Verstraeten and Andis Lazdins and Carmen Iacoban and Antti-Jussi Lindroos and Elena Vanguelova and Sue Benham and Claus Schimming and Henning Meesenburg and Manuel Nicholas and Anna Kowalska and Vladislav Apuhtin and Ulle Nappa and Zora Lachmanova and Markus Neumann and Ferdinand Krist{\"o}fel and Morten Ingerslev and Lars Vesterdal and Juan Molina and Albert Bleeker and Walter Seidling and Uwe Fischer and Richard Fischer and Martin Lorenz",
year = "2012",
month = "5",
day = "30",
language = "English",
note = "null ; Conference date: 29-05-2012 Through 30-05-2012",

}

RIS

TY - CONF

T1 - Trends of nitrogen and sulphur deposition

AU - Waldner, Peter

AU - Thimonier, An

AU - Schmitt, Maria

AU - Marchetto, Aldo

AU - Rogora, Michela

AU - Hansen, Karin

AU - Pihl-Karlsson, Gunilla

AU - Zlindra, Daniel

AU - Granke, Oliver

AU - Mues, Volker

AU - Clarke, Nicholas

AU - Verstraeten, Arne

AU - Lazdins, Andis

AU - Iacoban, Carmen

AU - Lindroos, Antti-Jussi

AU - Vanguelova, Elena

AU - Benham, Sue

AU - Schimming, Claus

AU - Meesenburg, Henning

AU - Nicholas, Manuel

AU - Kowalska, Anna

AU - Apuhtin, Vladislav

AU - Nappa, Ulle

AU - Lachmanova, Zora

AU - Neumann, Markus

AU - Kristöfel, Ferdinand

AU - Ingerslev, Morten

AU - Vesterdal, Lars

AU - Molina, Juan

AU - Bleeker, Albert

AU - Seidling, Walter

AU - Fischer, Uwe

AU - Fischer, Richard

AU - Lorenz, Martin

PY - 2012/5/30

Y1 - 2012/5/30

N2 - Atmospheric deposition of acidifying compounds (e.g. S), nitrogen (N) as a nutrient and base cations (e.g. Ca) to forests is a major driver for many processes in forests. In Europe, various measures have been taken to reduce S and N deposition since the late 1980ties. Trend analyses are regularly performed based on measurement in open field by EMEP and in forests by ICPForests. However, various trend analyses techniques are in use. In this study the trends of bulk and throughfall N and S deposition on ICP-Forests level II sites have been investigated. Sulphur deposition showed a decreasing trend from 2001 to 2010 that has been identified to be significant for the majority of the about 50 sites with continuous data (linear regression, 95% sign. Level). The mean thoughfall of theses sites decreased from about 12 kg S ha-1 a-1 in 2001 to about 6 kg S ha-1 a-1 (about 6% a-1). For N this value decreased from about 15 kg N ha-1 a-1 to about 12 kg N ha-1 a-1 (about 2.5% a-1), however, decreasing trends were identified to be significant for much fewer sites. In order to estimate the minimal detectable trend, p-values were plotted against the relative slope. Most p-values were in a similar bell-shaped band for time series with the same length for most ions. For time series with 10 years S deposition data, the band falls below 0.05 at relative slope larger than about 3% a-1. With 6 years of data, relative slopes need to be larger to reliably attain p<0.05. Further, we will compare linear regression and Seasonal Mann-Kendall techniques and discuss common patterns in the long-term and short-term evaluation of the deposition.

AB - Atmospheric deposition of acidifying compounds (e.g. S), nitrogen (N) as a nutrient and base cations (e.g. Ca) to forests is a major driver for many processes in forests. In Europe, various measures have been taken to reduce S and N deposition since the late 1980ties. Trend analyses are regularly performed based on measurement in open field by EMEP and in forests by ICPForests. However, various trend analyses techniques are in use. In this study the trends of bulk and throughfall N and S deposition on ICP-Forests level II sites have been investigated. Sulphur deposition showed a decreasing trend from 2001 to 2010 that has been identified to be significant for the majority of the about 50 sites with continuous data (linear regression, 95% sign. Level). The mean thoughfall of theses sites decreased from about 12 kg S ha-1 a-1 in 2001 to about 6 kg S ha-1 a-1 (about 6% a-1). For N this value decreased from about 15 kg N ha-1 a-1 to about 12 kg N ha-1 a-1 (about 2.5% a-1), however, decreasing trends were identified to be significant for much fewer sites. In order to estimate the minimal detectable trend, p-values were plotted against the relative slope. Most p-values were in a similar bell-shaped band for time series with the same length for most ions. For time series with 10 years S deposition data, the band falls below 0.05 at relative slope larger than about 3% a-1. With 6 years of data, relative slopes need to be larger to reliably attain p<0.05. Further, we will compare linear regression and Seasonal Mann-Kendall techniques and discuss common patterns in the long-term and short-term evaluation of the deposition.

M3 - Paper/Powerpoint/Abstract

ER -

Research output (related by authors)
Shopping cart
Add to cart Saved citations

Copy the text from this field...

Documents

Documents

Relations
View graph of relations