Water budget of Skærsø, a lake in south-east Jylland, Denmark: exchange between groundwater and lake water

Authors

  • Bertel Nilsson Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K. Denmark
  • Peter Engesgaard Department of Geography and Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark
  • Jacob Kidmose Department of Geography and Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark
  • Sachin Karan Department of Geography and Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark
  • Majken Caroline Looms Department of Geography and Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark
  • Mette Cristine Schou Frandsen Freshwater Biological Laboratory, Biological Institute, University of Copenhagen, Helsingørsgade 51, DK-3400 Hillerød, Denmark

DOI:

https://doi.org/10.34194/geusb.v17.5011

Abstract

The European Union’s Water Frame - work Directive aims to achieve a ‘good’ ecological status for groundwater bodies, for groundwater-dependent terrestrial ecosystems, and for aquatic surface water bodies by the year 2015. In Denmark, this goal will most likely not be fulfilled within such a short time frame due to the current poor ecological condition of Danish lakes (Søndergaard et al. 2008). However, public concern about the protection of aquatic environments has increased, and so has interest in improving lake water quality by reducing nutrient loading. Effective and sustainable lake restoration and conservation depend on the ability to (1) point out sensitive catchment areas for the lake, (2) estimate its total water and nutrient budgets and (3) relate observed differences in seepage rates to the abundance and distribution of macrophytes in the lake and to the topography and land-use of the surrounding terrain. In seepage lakes, i.e. lakes without inlets or outlets, the influence of the surrounding terrain, regional hydrogeology and lake geometry on the overall lake water budget has been studied in some detail (Krabbenhoft et al. 1990; Anderson & Cheng 1993; Cheng & Anderson, 1994; Kratz et al. 1997; Winter 1999; Townley & Trefry 2000). However, little efforthas been made to understand and quantify how riparian zones (wetlands) surrounding lakes may control the water flow and nutrient transport to the lakes. Although groundwater inflow to seepage lakes is suspected to be smaller than inflow from drainage ditches, it may still account for a significant nutrient influx.

Downloads

Download data is not yet available.

Downloads

Published

2009-07-08

How to Cite

Nilsson, B. ., Engesgaard, P. ., Kidmose, J. ., Karan, S. ., Looms, M. C. ., & Schou Frandsen, M. C. . (2009). Water budget of Skærsø, a lake in south-east Jylland, Denmark: exchange between groundwater and lake water. GEUS Bulletin, 17, 45–48. https://doi.org/10.34194/geusb.v17.5011

Issue

Section

RESEARCH ARTICLE | SHORT

Most read articles by the same author(s)