Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load
Acid sulfate soils occur worldwide and can cause serious ecological damage by releasingacidity and toxic metals into watercourses. This study focused on short- and long-termchanges to the water quality of a lake in western Finland. Here, a decline in water qualitytook place in the late 1960s. Since...
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ftaboakademicris:oai:pure.atira.dk:publications/417359c4-a394-48fb-b93e-132880b74f68 2024-04-28T08:14:50+00:00 Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load Toivonen, Janne Fröjdö, Sören Österholm, Peter 2019 application/pdf https://research.abo.fi/en/publications/417359c4-a394-48fb-b93e-132880b74f68 https://research.abo.fi/ws/files/25285650/ber24-079-099.pdf http://urn.fi/URN:NBN:fi-fe2020100882925 http://www.borenv.net/ und unknown https://research.abo.fi/en/publications/417359c4-a394-48fb-b93e-132880b74f68 info:eu-repo/semantics/openAccess Toivonen , J , Fröjdö , S & Österholm , P 2019 , ' Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load ' , Boreal Environment Research , vol. 24 , pp. 79–99 . < http://urn.fi/URN:NBN:fi-fe2020100882925 > article 2019 ftaboakademicris 2024-04-02T16:55:37Z Acid sulfate soils occur worldwide and can cause serious ecological damage by releasingacidity and toxic metals into watercourses. This study focused on short- and long-termchanges to the water quality of a lake in western Finland. Here, a decline in water qualitytook place in the late 1960s. Since then, events concerning poor water quality have frequently occurred. The annual load of some potentially toxic metals varied from hundredsof kilograms to thousands of tons, depending on the metal. The proportion of low-orderstreams draining the nearest field to the lake is only 7% of the catchment area, while theshare of the total metal load was estimated to be over 30%. This points to the importanceof monitoring small coastal catchments. High runoff conditions were proven to be moreimportant in terms of water quality than occasional summer droughts. During the pastdecade, acidic conditions have become more prolonged in the autumn, which is in line witha predicted scenario relating to climate change. Article in Journal/Newspaper Boreal Environment Research Åbo Akademi University Research Portal |
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Open Polar |
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Åbo Akademi University Research Portal |
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ftaboakademicris |
language |
unknown |
description |
Acid sulfate soils occur worldwide and can cause serious ecological damage by releasingacidity and toxic metals into watercourses. This study focused on short- and long-termchanges to the water quality of a lake in western Finland. Here, a decline in water qualitytook place in the late 1960s. Since then, events concerning poor water quality have frequently occurred. The annual load of some potentially toxic metals varied from hundredsof kilograms to thousands of tons, depending on the metal. The proportion of low-orderstreams draining the nearest field to the lake is only 7% of the catchment area, while theshare of the total metal load was estimated to be over 30%. This points to the importanceof monitoring small coastal catchments. High runoff conditions were proven to be moreimportant in terms of water quality than occasional summer droughts. During the pastdecade, acidic conditions have become more prolonged in the autumn, which is in line witha predicted scenario relating to climate change. |
format |
Article in Journal/Newspaper |
author |
Toivonen, Janne Fröjdö, Sören Österholm, Peter |
spellingShingle |
Toivonen, Janne Fröjdö, Sören Österholm, Peter Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load |
author_facet |
Toivonen, Janne Fröjdö, Sören Österholm, Peter |
author_sort |
Toivonen, Janne |
title |
Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load |
title_short |
Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load |
title_full |
Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load |
title_fullStr |
Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load |
title_full_unstemmed |
Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load |
title_sort |
impact of acid sulfate soil catchments on water quality in a lake in western finland; trends and total metal load |
publishDate |
2019 |
url |
https://research.abo.fi/en/publications/417359c4-a394-48fb-b93e-132880b74f68 https://research.abo.fi/ws/files/25285650/ber24-079-099.pdf http://urn.fi/URN:NBN:fi-fe2020100882925 http://www.borenv.net/ |
genre |
Boreal Environment Research |
genre_facet |
Boreal Environment Research |
op_source |
Toivonen , J , Fröjdö , S & Österholm , P 2019 , ' Impact of acid sulfate soil catchments on water quality in a lake in western Finland; trends and total metal load ' , Boreal Environment Research , vol. 24 , pp. 79–99 . < http://urn.fi/URN:NBN:fi-fe2020100882925 > |
op_relation |
https://research.abo.fi/en/publications/417359c4-a394-48fb-b93e-132880b74f68 |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1797580716897206272 |