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Featured in
WisconsinWeek
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Journal-Sentinel

Results of Wisconsin's First Statewide
Lake Clarity Mapping Using Landsat Satellite Remote Sensing


from the Environmental Remote Sensing Center
at the University of Wisconsin-Madison


Pan and Zoom your way Across the State

This interactive web map presents the research results in an easy to use interface. Users can zoom-in and -out and turn layers of information on and off. It is like "MapQuest" for Wisconsin lake water clarity. (Best viewed with IE 5.x or greater, NN 4.x or greater)

Click here for info about the map

Link to Press 
Release (html)
Text (html or pdf)
Link to Press Release Graphics (html)
Graphics (html or pdf)
Press Release - 13 January 2003

RESEARCHERS TRACK LAKE CLARITY FROM SPACE

MADISON – Assisted by hundreds of volunteers around the state, University of Wisconsin-Madison researchers and their cooperators have developed a method of assessing the water quality of Wisconsin's lakes from space.

Using images captured 438 miles above the earth, they have completed the first satellite-based inventory of the clarity of the largest 8,000 lakes in the state. The inventory is available to the public in map form on the Web, where it is possible to zoom in for a close look at your favorite lake or group of lakes...

Link to Image Gallery
Image Gallery
Landsat Image Gallery - Lake Images from Space

Satellite imagery provides researchers with valuable tools for assessing a wide range of natural resource issues. This image gallery provides examples of images used by scientists at the University of Wisconsin-Madison to assess lake water clarity.

An additional gallery focuses on the southern portion of Lake Winnebago at Fond du Lac.

Link to Poster
Map Poster (4.13 MB pdf file)
Printable* award-winning** poster of Wisconsin's Lake Water Clarity: Measured by Satellite

Wisconsin has nearly 15,000 lakes. This 36" x 48" map shows the estimated clarity, or transparency of the 8,000 largest of those lakes as measured by satellite remote sensing. It is the first ever complete map of water clarity for the State of Wisconsin with such detail. Click here for webpage version of the map text.


*Full-resolution = 36" x 48" at 150 dpi and is 4.13 MB in file size.
Click thumbnail to display with Adobe Acrobat Reader. If you would rather not use your browser plug-in, you can download the file for viewing and printing later with the stand-alone Acrobat Reader. Here's how:
Windows (IE): Right-click thumbnail to "save target as..."
Macintosh (NN or Safari): Click-hold thumbnail to "download link to disk"
** Awarded "Best in Class" for Map Poster category at the 2003 Wisconsin Land Information Association (WILA) meeting in Milwaukee.


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Link to regional lake clarity page
Regional Water Clarity

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