Sampling at sunset aboard the R/V Laurentian. Photo by D. Foley, June 2003.

Net trawling aboard the R/V Shenehon.

Retrieval of sequential sediment trap in Lake Michigan. Used for collecting suspended sediment at automatic pre-timed intervals. EEGLE cruise, southern Lake Michigan, June 1999. B. Eadie, chief scientist.

Retrieval of sequential sediment trap in Lake Michigan. Used for collecting suspended sediment at automatic pre-timed intervals. EEGLE cruise, southern Lake Michigan, June 1999. B. Eadie, chief scientist.

Deployment of thermistor chain in southern Lake Michigan. EEGLE cruise, June 1999.

CTD deployment from the R/V Shenehon in Lake Michigan. June 2000. A. Winkelman.

Fish trawling aboard the R/V Laurentian in Lake Michigan, 1998.

March 21, 2000. R/V Laurentian EEGLE plume mesocosm experiment. Sediment box corer deployment.

Towed Plankton Survey System (PSS). The PSS includes a Mini-Optical Plankton Counter (OPC), a CTD with X-Y tilt sensor, and a fluorometer mounted on a V-fin.

EEGLE cruise. Summer 1999. R/V Laurentian. Zooplankton net tow. M. Agy.

Scientist M. Lansing working in lab. April 2000.

Deployment of CTD sampler from the R/V Laurentian. D. Donahue. Photo by M. Quigley, July 2003.

Elutriating sediment collected aboard R/V Shenehon. Photo by M. Lansing, Sept. 2003.

GLERL portable observatory buoy. Cleveland buoy deployment from the R/V Laurentian. July 17, 2003. J. Lane and T. Miller. http://www.glerl.noaa.gov/obs

GLERL portable observatory buoys. Cleveland buoy. July 17, 2003. http://www.glerl.noaa.gov/obs