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Steady-State and Dynamic Assessment of Forest Soil Acidification in Switzerland.

Kurz, Daniel; Rihm, Beat; Alveteg, Mattias LU and Sverdrup, Harald LU (2001) In Water, Air and Soil Pollution 130(1-4). p.1217-1222
Abstract
The European steady-state Simple Mass Balance (SMB) model and the dynamic soil acidification model SAFE were used to assess the risk of future forest soil acidification in Switzerland. 2010 deposition forecasts on a 150x150 km grid resolution as well as corresponding ecosystem protection levels were obtained from RAINS model runs based on the 1999 Gothenburg Protocol obligations under the UN/ECE LRTAP Convention. Deposition values for 2010 on the national resolution were derived by scaling down present 1x1 km deposition values according to the deposition trends at the 150x150 km grid resolution. Meeting the Protocol obligations will reduce the percentage of Swiss forest ecosystems not protected against acidification between 1990 and 2010... (More)
The European steady-state Simple Mass Balance (SMB) model and the dynamic soil acidification model SAFE were used to assess the risk of future forest soil acidification in Switzerland. 2010 deposition forecasts on a 150x150 km grid resolution as well as corresponding ecosystem protection levels were obtained from RAINS model runs based on the 1999 Gothenburg Protocol obligations under the UN/ECE LRTAP Convention. Deposition values for 2010 on the national resolution were derived by scaling down present 1x1 km deposition values according to the deposition trends at the 150x150 km grid resolution. Meeting the Protocol obligations will reduce the percentage of Swiss forest ecosystems not protected against acidification between 1990 and 2010 from 41 to 4% according to the RAINS assessment and from 63 to 16% according to the assessment with the SMB at the 1x1 km resolution. The dynamic approach indicates, however, that soil conditions may not improve as much as these steady-state models suggest. By 2010, 39% of the sites considered will still have soil solution Bc/Al molar ratios below 1 at least in one soil layer. Nevertheless, deposition reductions obtained from the implementation of the new protocol will prevent the major part of Swiss forest soils from further acidification. Aiming at recovery of the more sensitive forest ecosystems would require emission reductions beyond the Protocol's obligations. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Gothenburg Protocol, critical loads, dynamic modeling, exceedance, regional
in
Water, Air and Soil Pollution
volume
130
issue
1-4
pages
1217 - 1222
publisher
Springer
external identifiers
  • scopus:0034740127
ISSN
1573-2932
DOI
10.1023/A:1013964731876
language
English
LU publication?
yes
id
75a96920-bb5b-413d-bfd3-55b1440f3cd0 (old id 1275424)
date added to LUP
2009-01-30 10:15:24
date last changed
2018-01-07 06:21:21
@article{75a96920-bb5b-413d-bfd3-55b1440f3cd0,
  abstract     = {The European steady-state Simple Mass Balance (SMB) model and the dynamic soil acidification model SAFE were used to assess the risk of future forest soil acidification in Switzerland. 2010 deposition forecasts on a 150x150 km grid resolution as well as corresponding ecosystem protection levels were obtained from RAINS model runs based on the 1999 Gothenburg Protocol obligations under the UN/ECE LRTAP Convention. Deposition values for 2010 on the national resolution were derived by scaling down present 1x1 km deposition values according to the deposition trends at the 150x150 km grid resolution. Meeting the Protocol obligations will reduce the percentage of Swiss forest ecosystems not protected against acidification between 1990 and 2010 from 41 to 4% according to the RAINS assessment and from 63 to 16% according to the assessment with the SMB at the 1x1 km resolution. The dynamic approach indicates, however, that soil conditions may not improve as much as these steady-state models suggest. By 2010, 39% of the sites considered will still have soil solution Bc/Al molar ratios below 1 at least in one soil layer. Nevertheless, deposition reductions obtained from the implementation of the new protocol will prevent the major part of Swiss forest soils from further acidification. Aiming at recovery of the more sensitive forest ecosystems would require emission reductions beyond the Protocol's obligations.},
  author       = {Kurz, Daniel and Rihm, Beat and Alveteg, Mattias and Sverdrup, Harald},
  issn         = {1573-2932},
  keyword      = {Gothenburg Protocol,critical loads,dynamic modeling,exceedance,regional},
  language     = {eng},
  number       = {1-4},
  pages        = {1217--1222},
  publisher    = {Springer},
  series       = {Water, Air and Soil Pollution},
  title        = {Steady-State and Dynamic Assessment of Forest Soil Acidification in Switzerland.},
  url          = {http://dx.doi.org/10.1023/A:1013964731876},
  volume       = {130},
  year         = {2001},
}