Transport Processes between Lake Belau and its Drainage Basin

  • Winfrid Kluge
  • Otto Fränzle
Part of the Ecological Studies book series (ECOLSTUD, volume 202)

Air and water are the fluid media transporting dissolved and particulate mineral and organic substances between terrestrial and aquatic ecosystems. With respect to the physics of such flow processes, two theoretical approaches are distinguished in general. Using Euler’s concept, the multidimensional partial flow transport equations are solved simultaneously for all points in space at a given time. Lagrange’s approach describes mainly the temporal change of tracking particles which can shift along flowlines within catchments and may be subject to transformation processes. Although both approaches, from a theoretical point of view, are equivalent, labouring under the apprehension of non-turbulent flow and yielding compatible results (e.g. in groundwater hydraulics), the Lagrange approach provides a detailed description in direct correspondence with the water and material cycles in ecological systems and catchment areas. Between the origin, e.g. the entry into a terrestrial system, and the spatially distinct and temporally retarded effect in the subordinate systems, e.g. the entry into an aquatic system, a direct correlation is established (Kluge et al. 2003).


Total Nitrogen Groundwater Level Drainage Basin Littoral Zone Overland Flow 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Winfrid Kluge
    • 1
  • Otto Fränzle
    • 2
  1. 1.Germany
  2. 2.Ökologie-Zentrum der Christian-Albrechts-Universität zu KielGermany

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