The Great Lakes Environmental Research Laboratory and the Cooperative Institute for Ecosystems Research are pleased to announce our next Great Lakes Seminar Series presentation: Monday, July 29 at 10:30 am, Lake Superior Hall An integrative investigation of sources, fate, and transport of bacteria in Milwaukee coastal beaches (see description below) Dr. Marcia Silva Department of Civil Engineering & Mechanics University of Wisconsin – Milwaukee If you would like to Join us for a Webinar on July 29 Reserve your Webinar seat now at: https://www2.gotomeeting/register/916210834 Space is limited. Sources of fecal indicator bacteria (FIB) were examined in ten Lake Michigan beaches. In depth studies were performed at one study site (Bradford Beach) to investigate possible sources of FIB, including groundwater-lake water interactions and runoff infiltrating through the sand. The impact of hydrological and geophysical factors that are associated with formation of standing water were also investigated, including the potential of FIB reservoirs in the sand matrix to serve as a sink and source of bacteria at the beach environment. In order to better understand bacterial association with particles at a large scale, the small scale interactions between bacteria and particles were examined by developing a new non-invasive optical technique and applying the technique to assess attachment of bacteria to sand particles in a sheared fluid simulating condition found in the surf zone. Finally, the knowledge obtained from the understanding of small scale interactions was used to interpret the results acquired from a statistical model applied to large scale features at Bradford Beach and Atwater Beach, Milwaukee, WI.
Posted on: Thu, 25 Jul 2013 15:10:57 +0000
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