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A nationwide acid s...
A nationwide acid sulfate soil study : A rapid and cost-efficient approach for characterizing large-scale features
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- Nyman, Alexandra (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM)
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- Johnson, Anders (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Yu, Changxun, 1983- (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM)
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- Sohlenius, Gustav (författare)
- Geological Survey of Sweden, Sweden
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- Becher, Marina (författare)
- Geological Survey of Sweden, Sweden
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- Dopson, Mark, 1970- (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Åström, Mats E., 1963- (författare)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM)
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(creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: Science of the Total Environment. - : Elsevier. - 0048-9697 .- 1879-1026. ; 869
- Relaterad länk:
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https://doi.org/10.1...
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https://lnu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Acid sulfate soils are sulfide-rich soils that pose a notable environmental risk as their strong acidity and low pH mobilizes metals from soil minerals leading to both acidification and metal contamination of the surrounding environment. In this study a rapid and cost-efficient approach was developed to resolve the main distribution patterns and geochemical features of acid sulfate soils throughout coastal plains stretching for some 2000 km in eastern, southern, and western Sweden. Of the investigated 126 field sites, 47 % had acid sulfate soils including 33 % active, 12 % potential, and 2 % pseudo acid sulfate soils. There were large regional variations in the extent of acid sulfate soils, with overall much higher proportions of these soils along the eastern coastal plains facing the Baltic Sea than the western coastal plains facing the Kattegatt/Skagerrak (Atlantic Ocean). The sulfur concentrations of the soil's parent material, consisting of reduced near-pH neutral sediments, were correlated inversely both with the minimum pH of the soils in situ (rS = −0.65) and the pH after incubation (oxidation) of the reduced sediments (rS = −0.77). This indicated the importance of sulfide levels in terms of both present and potential future acidification. Hence, the higher proportion of acid sulfate soils in the east was largely the result of higher sulfur concentrations in this part of the country. The study showed that the approach was successful in identifying large-scale spatial patterns and geochemical characteristics of importance for environmental assessments related to these environmentally unfriendly soils.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
Nyckelord
- Miljövetenskap
- Environmental Science
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Nyman, Alexandra
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Johnson, Anders
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Yu, Changxun, 19 ...
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Sohlenius, Gusta ...
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Becher, Marina
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Dopson, Mark, 19 ...
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Åström, Mats E., ...
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