text-only page produced automatically by LIFT Text Transcoder Skip all navigation and go to page contentSkip top navigation and go to directorate navigationSkip top navigation and go to page navigation
National Science Foundation
design element
News From the Field
For the News Media
Special Reports
Research Overviews
NSF-Wide Investments
Speeches & Lectures
NSF Current Newsletter
Multimedia Gallery
News Archive
News by Research Area
Arctic & Antarctic
Astronomy & Space
Chemistry & Materials
Earth & Environment
People & Society

Email this pagePrint this page
All Images

Press Release 07-064
Nitrate in Lake Superior: On the Rise

Level is inching toward making the lake water unsafe to drink

Back to article | Note about images

An instrument aboard the research vessel Blue Heron is used for taking water samples of nitrate.

Split Rock Lighthouse on the north shore of Lake Superior as viewed from the deck of the research vessel Blue Heron. Scientists are taking water samples for nitrate and other substances in the lake.

Credit: Robert Sterner

Download the high-resolution JPG version of the image. (191 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Email this pagePrint this page
Back to Top of page