Collecting samples on Courville Lake

After a long days hike, Andy and I arrived at Courville Lake. This lake sits at almost 7000′ ft. in elevation and is at the head end of the drainage. All water recharge is a result of direct snowmelt, and by this time of year water levels are completely dependent on groundwater recharge. Upon arriving at Courville Lake we collected water samples and fish samples for ion, metal, and mercury analyses. Collection of water samples is done from an air mattress at the deepest part of the lake and then filtered. After filtering, the water is put into a cooler and then a freezer awaiting analyses at the Flathead Biological Station and the University of Montana.

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About Diana Dalbotten

Diana Dalbotten is the Director of Diversity and Broader Impacts for the National Center for Earth-surface Dynamics and the St. Anthony Falls Laboratory, University of Minnesota; and for the Geoscience Alliance, a national alliance for broadening participation of Native Americans in the Geosciences.

1 thought on “Collecting samples on Courville Lake

  1. People amaze me. When research needs to get done, we find the most creative ways to collect samples. I hope to come up there with you guys sometime to get a close-up look at sample collection. Is it an actual air mattress, or is it one of those blow-up floaties?

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