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Sediment and Mercury Loads from Creeks to Reservoirs: A Golden Opportunity

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May 8, 6:30 PM - 7:30 PM
NCC Campus N12 103 (Multipurpose Center)
250 Sierra College Dr., Grass Valley, CA 95945
Free and open to the Public
Jason Giuliani, jgiulian@sierracollege.edu

Presented by Carrie Monohan

Event Details

Sediment and Mercury Loads from Creeks to Reservoirs: A Golden Opportunity

By Carrie Monohan, Ph.D.

 On Tuesday, May 8, the Sierra Science Lecture Series at the Nevada County Campus will present a discussion concerning the pressing issue of local water quality, titled: Sediment and Mercury Loads from Creeks to Reservoirs: A Golden Opportunity led by Carrie Monohan, Ph.D. This lecture is free and the public is invited and encouraged to attend. The lecture will be held in the Multi-purpose room, N12-103, and runs from 6:30 - 7:30 pm. Come early for a meet and greet and refreshments beginning at 6pm. 

More than 4,500,000 kilograms (10,000,000 pounds) of mercury (Hg) were used during hydraulic and hard rock mining during the California Gold Rush era, and it is estimated that 10-30% of liquid Hg was lost to the environment. Mercury is entrained in river gravels containing hydraulic mining debris and is incorporated into the aquatic food web, causing numerous environmental and public health problems for California communities today.

About our Speaker:

Carrie Monohan is the Science Director at The Sierra Fund (TSF), where she designs and directs the scientific components of TSF’s Ecosystem Resiliency Program to address ongoing impacts from resource extraction on water quality, forest health, meadows and volitional fish passage. Her Ph.D. in Forest Resources and Hydrology from the University of Washington focused on the relationship between water quality in agricultural streams and diminishing salmon habitat. For more than 10 years she has concentrated on the impacts of California’s Gold Rush in the Sierra Nevada and her work on assessment techniques and prioritization efforts of mine scarred lands have helped shape statewide efforts to address mercury contamination. Dr. Monohan is an Adjunct Professor and Lecturer in the Geological and Environmental Sciences Department at California State University, Chico where she teaches courses in ecohydrology. In her combined role as TSF Science Director and CSU, Chico Professor Dr. Monohan integrates graduate student research into the projects that she directs at TSF, building the capacity of early career scientists. Her research projects include work at Malakoff Diggins, once the largest hydraulic mine in California, and management of sediment and mercury from Combie Reservoir.

The Sierra Science lecture Series is a great FREE educational opportunity open to all. This is an evening to learn more about our local environment and to discuss questions and concerns with learned lecturers.

The Sierra College Nevada County Campus is located at 250 Sierra College Dr. in Grass Valley. There is a $3 parking fee on campus. Parking Permits can be purchased at the Kiosk located at the entrance to the campus. 

For more information, contact Professor Jason Giuliani at: jgiuliani@sierracollege.edu or (530) 274-5275.

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