Springshed Mapping in Support of Watershed Management
Title
Springshed Mapping in Support of Watershed Management
Published Date
2005-09-28
Publisher
Proceedings of the 10th Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst. © 2005 American Society of Civil Engineers. Published online: April 26, 2012
Type
Conference Paper
Abstract
Fillmore County has been the focal point of dye tracing efforts in Minnesota for several decades. In 1995, a 1:100,000, county-scale springshed map was published. At the county scale, we primarily delineated springsheds greater than 500 hectares. After that project was completed, dye-tracing efforts continued and focused on the South Branch Root River (SBRR) springshed in the western part of the county. At the scale of the SBRR springshed (about 20% of the county), we expanded the boundaries of the large springsheds but also located and refined the boundaries of springsheds that are less than 200 hectares. We found one previously unmapped small springshed (Meyers springshed), documented complex flow boundaries between a large springshed (11. Canfield) and an adjacent small springshed (26. Rainy), and expanded the boundaries of four other springsheds. The small springsheds present a new opportunity for karst watershed research, monitoring and management. The small springsheds are often dominated by one or a few land uses, which permit simpler, more evident identification of the causes of water quality degradation.
Description
Twenty-four traces in Fillmore County occuring after 1995. A collaborative effort between the Minnesota Department of Natural Resources and the University of Minnesota.
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Funding information
This work was funded by the Clean Water Partnership/319 program of the Minnesota Pollution Control Agency and by the Minnesota Dept. of Natural Resources-Division of Waters.
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Previously Published Citation
http://dx.doi.org/10.1061/40796(177)43
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