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A morphometrically based method for predicting water layer boundaries in meromictic lakes

Many general mass-balance models that simulate processes in one or two water layers have been successfully constructed, tested and used to predict effects from remediating lake pollution and other environmental disturbances. However, these models are poorly suited for meromictic lakes which consist... Full description

Journal Title: Hydrobiologia 2009-11-05, Vol.636 (1), p.413-419
Main Author: Bryhn, Andreas C
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Dordrecht: Springer Netherlands
ID: ISSN: 0018-8158
Link: http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-111947
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recordid: cdi_swepub_primary_oai_DiVA_org_uu_111947
title: A morphometrically based method for predicting water layer boundaries in meromictic lakes
format: Article
creator:
  • Bryhn, Andreas C
subjects:
  • Biomedical and Life Sciences
  • Earth
  • Earth and Related Environmental Sciences
  • Earth Science with specialization in Environmental Analysis
  • Earth sciences
  • Ecology
  • Freshwater & Marine Ecology
  • Geovetenskap
  • Geovetenskap med inriktning mot miljöanalys
  • Geovetenskap och miljövetenskap
  • Lakes
  • Layers
  • Life Sciences
  • Meromixis
  • Morphometry
  • Natural Sciences
  • Naturvetenskap
  • Primary Research Paper
  • Related Environmental Sciences
  • Stratification
  • Zoology
ispartof: Hydrobiologia, 2009-11-05, Vol.636 (1), p.413-419
description: Many general mass-balance models that simulate processes in one or two water layers have been successfully constructed, tested and used to predict effects from remediating lake pollution and other environmental disturbances. However, these models are poorly suited for meromictic lakes which consist of yet another water layer. In order to determine a cross-systems based algorithm for the depth of the boundary between the two lowest layers ( D crit2 ; in m), data from 24 three-layer lakes were analysed, and this depth could be predicted from the maximum depth and the lake surface area. The resulting model was tested with good results against independent data from 6 lakes which were not used for model development. Furthermore, D crit2 was predicted at a considerably lower depth than the theoretical wave base (a previously defined functional separator between the two top layers) in 110 out of 113 meromictic lakes. This indicates that the equation for D crit2 estimated in this study may be used for developing general mass-balance models for a large number of lakes which contain three stable water layers.
language: eng
source:
identifier: ISSN: 0018-8158
fulltext: no_fulltext
issn:
  • 0018-8158
  • 1573-5117
  • 1573-5117
url: Link


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titleA morphometrically based method for predicting water layer boundaries in meromictic lakes
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descriptionMany general mass-balance models that simulate processes in one or two water layers have been successfully constructed, tested and used to predict effects from remediating lake pollution and other environmental disturbances. However, these models are poorly suited for meromictic lakes which consist of yet another water layer. In order to determine a cross-systems based algorithm for the depth of the boundary between the two lowest layers ( D crit2 ; in m), data from 24 three-layer lakes were analysed, and this depth could be predicted from the maximum depth and the lake surface area. The resulting model was tested with good results against independent data from 6 lakes which were not used for model development. Furthermore, D crit2 was predicted at a considerably lower depth than the theoretical wave base (a previously defined functional separator between the two top layers) in 110 out of 113 meromictic lakes. This indicates that the equation for D crit2 estimated in this study may be used for developing general mass-balance models for a large number of lakes which contain three stable water layers.
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subjectBiomedical and Life Sciences ; Earth ; Earth and Related Environmental Sciences ; Earth Science with specialization in Environmental Analysis ; Earth sciences ; Ecology ; Freshwater & Marine Ecology ; Geovetenskap ; Geovetenskap med inriktning mot miljöanalys ; Geovetenskap och miljövetenskap ; Lakes ; Layers ; Life Sciences ; Meromixis ; Morphometry ; Natural Sciences ; Naturvetenskap ; Primary Research Paper ; Related Environmental Sciences ; Stratification ; Zoology
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abstractMany general mass-balance models that simulate processes in one or two water layers have been successfully constructed, tested and used to predict effects from remediating lake pollution and other environmental disturbances. However, these models are poorly suited for meromictic lakes which consist of yet another water layer. In order to determine a cross-systems based algorithm for the depth of the boundary between the two lowest layers ( D crit2 ; in m), data from 24 three-layer lakes were analysed, and this depth could be predicted from the maximum depth and the lake surface area. The resulting model was tested with good results against independent data from 6 lakes which were not used for model development. Furthermore, D crit2 was predicted at a considerably lower depth than the theoretical wave base (a previously defined functional separator between the two top layers) in 110 out of 113 meromictic lakes. This indicates that the equation for D crit2 estimated in this study may be used for developing general mass-balance models for a large number of lakes which contain three stable water layers.
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doi10.1007/s10750-009-9970-y
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