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Hydrologic and Landscape Drivers of Seepage Lake ANC Status in Northern Wisconsin, USA.

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Title: Hydrologic and Landscape Drivers of Seepage Lake ANC Status in Northern Wisconsin, USA.
Authors: Rose, Lucy A.1 (AUTHOR) larose@umn.edu, Serediak, Nancy2 (AUTHOR), Kolka, Randall K.3 (AUTHOR), Wickman, Trent R.4 (AUTHOR)
Source: Lakes & Reservoirs: Research & Management. Jan2025, Vol. 30 Issue 1, p1-13. 13p.
Subjects: Acid neutralizing capacity, Precipitation (Chemistry), Longitudinal method, Biogeochemistry, Multilevel models, Landscapes, Lake hydrology, Hydrology
Geographic Terms: Wisconsin
Abstract: In some seepage lakes, acid neutralising capacity (ANC) is regulated by precipitation chemistry and in‐lake biogeochemical processes with little influence from groundwater and catchment runoff. However, additional environmental contexts, for example, landscape position and changing precipitation dynamics, may also contribute to variability in ANC across lakes over time. We used a mixed effects model to assess the influence of changing precipitation patterns and the chemistry of hydrologic inputs on ANC in seven northern Wisconsin, USA seepage lakes from 1984 to 2018. We observed differential ANC responses across lakes to the concomitant changes in precipitation acidity and post‐drought oxidative acidity pulses from adjacent wetland soils. Although all study lakes lie within a 4 km2 area, mean lake ANC values ranged from 32.8 ± 25.2 μeq L−1 to 71.9 ± 26.8 μeq L−1 and were inversely related to lake landscape position. Lakes with higher mean ANC also showed lower relative variability over time, suggesting that these lakes were better buffered than those with lower ANC. Mixed effects modelling explained 50% of the ANC variability across all lakes, while model explanatory power ranged from 39% to 71% when ANC was assessed within individual lakes. The range of modelled ANC accuracy highlights the complex nature of biogeochemical regulation in individual seepage lakes, despite their shared geographic setting. Our study demonstrates the utility of mixed effects modelling for repeated measures analysis, emphasising the necessity of long‐term studies to evaluate seepage lake ANC responses to changing hydrologic and biogeochemical inputs. [ABSTRACT FROM AUTHOR]
Copyright of Lakes & Reservoirs: Research & Management is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Hydrologic and Landscape Drivers of Seepage Lake ANC Status in Northern Wisconsin, USA.
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  Data: <searchLink fieldCode="AR" term="%22Rose%2C+Lucy+A%2E%22">Rose, Lucy A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> larose@umn.edu</i><br /><searchLink fieldCode="AR" term="%22Serediak%2C+Nancy%22">Serediak, Nancy</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kolka%2C+Randall+K%2E%22">Kolka, Randall K.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wickman%2C+Trent+R%2E%22">Wickman, Trent R.</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Lakes+%26+Reservoirs%3A+Research+%26+Management%22">Lakes & Reservoirs: Research & Management</searchLink>. Jan2025, Vol. 30 Issue 1, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Acid+neutralizing+capacity%22">Acid neutralizing capacity</searchLink><br /><searchLink fieldCode="DE" term="%22Precipitation+%28Chemistry%29%22">Precipitation (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Longitudinal+method%22">Longitudinal method</searchLink><br /><searchLink fieldCode="DE" term="%22Biogeochemistry%22">Biogeochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Multilevel+models%22">Multilevel models</searchLink><br /><searchLink fieldCode="DE" term="%22Landscapes%22">Landscapes</searchLink><br /><searchLink fieldCode="DE" term="%22Lake+hydrology%22">Lake hydrology</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrology%22">Hydrology</searchLink>
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  Label: Geographic Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Wisconsin%22">Wisconsin</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In some seepage lakes, acid neutralising capacity (ANC) is regulated by precipitation chemistry and in‐lake biogeochemical processes with little influence from groundwater and catchment runoff. However, additional environmental contexts, for example, landscape position and changing precipitation dynamics, may also contribute to variability in ANC across lakes over time. We used a mixed effects model to assess the influence of changing precipitation patterns and the chemistry of hydrologic inputs on ANC in seven northern Wisconsin, USA seepage lakes from 1984 to 2018. We observed differential ANC responses across lakes to the concomitant changes in precipitation acidity and post‐drought oxidative acidity pulses from adjacent wetland soils. Although all study lakes lie within a 4 km2 area, mean lake ANC values ranged from 32.8 ± 25.2 μeq L−1 to 71.9 ± 26.8 μeq L−1 and were inversely related to lake landscape position. Lakes with higher mean ANC also showed lower relative variability over time, suggesting that these lakes were better buffered than those with lower ANC. Mixed effects modelling explained 50% of the ANC variability across all lakes, while model explanatory power ranged from 39% to 71% when ANC was assessed within individual lakes. The range of modelled ANC accuracy highlights the complex nature of biogeochemical regulation in individual seepage lakes, despite their shared geographic setting. Our study demonstrates the utility of mixed effects modelling for repeated measures analysis, emphasising the necessity of long‐term studies to evaluate seepage lake ANC responses to changing hydrologic and biogeochemical inputs. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Lakes & Reservoirs: Research & Management is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1111/lre.70003
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 1
    Subjects:
      – SubjectFull: Acid neutralizing capacity
        Type: general
      – SubjectFull: Precipitation (Chemistry)
        Type: general
      – SubjectFull: Longitudinal method
        Type: general
      – SubjectFull: Biogeochemistry
        Type: general
      – SubjectFull: Multilevel models
        Type: general
      – SubjectFull: Landscapes
        Type: general
      – SubjectFull: Lake hydrology
        Type: general
      – SubjectFull: Hydrology
        Type: general
      – SubjectFull: Wisconsin
        Type: general
    Titles:
      – TitleFull: Hydrologic and Landscape Drivers of Seepage Lake ANC Status in Northern Wisconsin, USA.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Rose, Lucy A.
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            NameFull: Serediak, Nancy
      – PersonEntity:
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            NameFull: Kolka, Randall K.
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            NameFull: Wickman, Trent R.
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            – D: 01
              M: 01
              Text: Jan2025
              Type: published
              Y: 2025
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              Value: 30
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            – TitleFull: Lakes & Reservoirs: Research & Management
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