Predicting the export and concentrations of organic carbon, nitrogen and phosphorus in boreal lakes by catchment characteristics and land use: A practical approach
The majority of C, N and P in boreal lakes are in organic form. Organically bound nutrients are released through biodegradation or photodegradation which affects the water quality, eutrophication and greenhouse gas emissions of lakes. We tested whether open land-use data combined with land-use-speci...
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| Veröffentlicht in: | Ambio 2016-12, Vol.45 (8), p.933-945 |
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| creator | Palviainen, Marjo Laurén, Ari Launiainen, Samuli Piirainen, Sirpa |
| description | The majority of C, N and P in boreal lakes are in organic form. Organically bound nutrients are released through biodegradation or photodegradation which affects the water quality, eutrophication and greenhouse gas emissions of lakes. We tested whether open land-use data combined with land-use-specific export coefficients can be used to predict total organic carbon (TOC), dissolved organic nitrogen (DON) and dissolved organic phosphorus (DOP) loading and lake water concentrations. Using data from 12 lake catchments in eastern Finland, we found that land use and management of the catchment explained a substantial proportion of the variations in TOC (r² = 0.78), DON (r² = 0.55) and DOP (r² = 0.80) concentrations between lakes. The computation does not account for in-lake processes, which are reflected as mismatch between the predicted and observed concentrations. However, this simple practical approach is useful in ranking lakes according to their water quality. The results indicated that natural sources dominate TOC, DON and DOP exports; the background leachings accounted for 57-99 %, 48-96 % and 55-99 % of TOC, DON and DOP export, respectively. The proposed method has promise as a practical decision support tool for assessing the impacts of land use on water quality. The results showed that possibilities to control TOC, DON and DOP loading to surface waters are limited to catchments where the peatland proportion is low and anthropogenic sources significant. |
| doi_str_mv | 10.1007/s13280-016-0789-2 |
| format | Article |
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Organically bound nutrients are released through biodegradation or photodegradation which affects the water quality, eutrophication and greenhouse gas emissions of lakes. We tested whether open land-use data combined with land-use-specific export coefficients can be used to predict total organic carbon (TOC), dissolved organic nitrogen (DON) and dissolved organic phosphorus (DOP) loading and lake water concentrations. Using data from 12 lake catchments in eastern Finland, we found that land use and management of the catchment explained a substantial proportion of the variations in TOC (r² = 0.78), DON (r² = 0.55) and DOP (r² = 0.80) concentrations between lakes. The computation does not account for in-lake processes, which are reflected as mismatch between the predicted and observed concentrations. However, this simple practical approach is useful in ranking lakes according to their water quality. The results indicated that natural sources dominate TOC, DON and DOP exports; the background leachings accounted for 57-99 %, 48-96 % and 55-99 % of TOC, DON and DOP export, respectively. The proposed method has promise as a practical decision support tool for assessing the impacts of land use on water quality. The results showed that possibilities to control TOC, DON and DOP loading to surface waters are limited to catchments where the peatland proportion is low and anthropogenic sources significant.</description><identifier>ISSN: 0044-7447</identifier><identifier>EISSN: 1654-7209</identifier><identifier>DOI: 10.1007/s13280-016-0789-2</identifier><identifier>PMID: 27250098</identifier><language>eng</language><publisher>Dordrecht: Springer</publisher><subject>Agriculture ; Anthropogenic factors ; Aquatic ecosystems ; Atmospheric Sciences ; Biodegradation ; Carbon ; Dissolved organic nitrogen ; Dissolved organic phosphorus ; Earth and Environmental Science ; Ecology ; Emission standards ; Environment ; Environmental Engineering/Biotechnology ; Environmental Management ; Environmental Monitoring - methods ; Eutrophication ; Exports ; Finland ; Forecasting ; Forests ; Freshwater ; Greenhouse gases ; Lake catchments ; Lakes ; Lakes - chemistry ; Land use ; Leaching ; Models, Theoretical ; Nitrogen ; Nitrogen - analysis ; Nitrogen - chemistry ; Organic carbon ; Organic Chemicals - analysis ; Organic Chemicals - chemistry ; Organic nitrogen ; Peatlands ; Phosphorus ; Phosphorus - analysis ; Phosphorus - chemistry ; Photodegradation ; Physical Geography ; Solubility ; Surface water ; Total organic carbon ; Water quality</subject><ispartof>Ambio, 2016-12, Vol.45 (8), p.933-945</ispartof><rights>2016 Royal Swedish Academy of Sciences</rights><rights>Royal Swedish Academy of Sciences 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c525t-f500a03e6130e384f9e2007f10daa503d8f5ebb7ee28ae5394e9e60e37ffc7dc3</citedby><cites>FETCH-LOGICAL-c525t-f500a03e6130e384f9e2007f10daa503d8f5ebb7ee28ae5394e9e60e37ffc7dc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/45135081$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/45135081$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,727,780,784,803,885,27924,27925,41488,42557,51319,53791,53793,58017,58250</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27250098$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Palviainen, Marjo</creatorcontrib><creatorcontrib>Laurén, Ari</creatorcontrib><creatorcontrib>Launiainen, Samuli</creatorcontrib><creatorcontrib>Piirainen, Sirpa</creatorcontrib><title>Predicting the export and concentrations of organic carbon, nitrogen and phosphorus in boreal lakes by catchment characteristics and land use: A practical approach</title><title>Ambio</title><addtitle>Ambio</addtitle><addtitle>Ambio</addtitle><description>The majority of C, N and P in boreal lakes are in organic form. Organically bound nutrients are released through biodegradation or photodegradation which affects the water quality, eutrophication and greenhouse gas emissions of lakes. We tested whether open land-use data combined with land-use-specific export coefficients can be used to predict total organic carbon (TOC), dissolved organic nitrogen (DON) and dissolved organic phosphorus (DOP) loading and lake water concentrations. Using data from 12 lake catchments in eastern Finland, we found that land use and management of the catchment explained a substantial proportion of the variations in TOC (r² = 0.78), DON (r² = 0.55) and DOP (r² = 0.80) concentrations between lakes. The computation does not account for in-lake processes, which are reflected as mismatch between the predicted and observed concentrations. However, this simple practical approach is useful in ranking lakes according to their water quality. The results indicated that natural sources dominate TOC, DON and DOP exports; the background leachings accounted for 57-99 %, 48-96 % and 55-99 % of TOC, DON and DOP export, respectively. The proposed method has promise as a practical decision support tool for assessing the impacts of land use on water quality. The results showed that possibilities to control TOC, DON and DOP loading to surface waters are limited to catchments where the peatland proportion is low and anthropogenic sources significant.</description><subject>Agriculture</subject><subject>Anthropogenic factors</subject><subject>Aquatic ecosystems</subject><subject>Atmospheric Sciences</subject><subject>Biodegradation</subject><subject>Carbon</subject><subject>Dissolved organic nitrogen</subject><subject>Dissolved organic phosphorus</subject><subject>Earth and Environmental Science</subject><subject>Ecology</subject><subject>Emission standards</subject><subject>Environment</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Environmental Management</subject><subject>Environmental Monitoring - methods</subject><subject>Eutrophication</subject><subject>Exports</subject><subject>Finland</subject><subject>Forecasting</subject><subject>Forests</subject><subject>Freshwater</subject><subject>Greenhouse gases</subject><subject>Lake catchments</subject><subject>Lakes</subject><subject>Lakes - 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Organically bound nutrients are released through biodegradation or photodegradation which affects the water quality, eutrophication and greenhouse gas emissions of lakes. We tested whether open land-use data combined with land-use-specific export coefficients can be used to predict total organic carbon (TOC), dissolved organic nitrogen (DON) and dissolved organic phosphorus (DOP) loading and lake water concentrations. Using data from 12 lake catchments in eastern Finland, we found that land use and management of the catchment explained a substantial proportion of the variations in TOC (r² = 0.78), DON (r² = 0.55) and DOP (r² = 0.80) concentrations between lakes. The computation does not account for in-lake processes, which are reflected as mismatch between the predicted and observed concentrations. However, this simple practical approach is useful in ranking lakes according to their water quality. The results indicated that natural sources dominate TOC, DON and DOP exports; the background leachings accounted for 57-99 %, 48-96 % and 55-99 % of TOC, DON and DOP export, respectively. The proposed method has promise as a practical decision support tool for assessing the impacts of land use on water quality. The results showed that possibilities to control TOC, DON and DOP loading to surface waters are limited to catchments where the peatland proportion is low and anthropogenic sources significant.</abstract><cop>Dordrecht</cop><pub>Springer</pub><pmid>27250098</pmid><doi>10.1007/s13280-016-0789-2</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | MEDLINE; SpringerNature Journals; JSTOR Archive Collection A-Z Listing; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Agriculture Anthropogenic factors Aquatic ecosystems Atmospheric Sciences Biodegradation Carbon Dissolved organic nitrogen Dissolved organic phosphorus Earth and Environmental Science Ecology Emission standards Environment Environmental Engineering/Biotechnology Environmental Management Environmental Monitoring - methods Eutrophication Exports Finland Forecasting Forests Freshwater Greenhouse gases Lake catchments Lakes Lakes - chemistry Land use Leaching Models, Theoretical Nitrogen Nitrogen - analysis Nitrogen - chemistry Organic carbon Organic Chemicals - analysis Organic Chemicals - chemistry Organic nitrogen Peatlands Phosphorus Phosphorus - analysis Phosphorus - chemistry Photodegradation Physical Geography Solubility Surface water Total organic carbon Water quality |
| title | Predicting the export and concentrations of organic carbon, nitrogen and phosphorus in boreal lakes by catchment characteristics and land use: A practical approach |
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