Monitoring in Support of Saginaw Bay MultiStressor Project

Monitoring in Support of Saginaw Bay Multi-Stressor Project Heidi Purcell, Hunter Brown, Guy Meadows University of Michigan Marine Hydrodynamics Laboratories

GLOS Enhanced Tributary Monitoring to Support AOCs and La. MPs St. Louis Estuary, Lake Superior University of Minnesota, Duluth Green Bay, Lake Michigan University of Wisconsin, Mil Saginaw Bay, Lake Huron University of Michigan MHL Remote Sensing Maps of all 5 sites Maumee Bay, Lake Erie University of Michigan CILER Genesee River, Lake Ontario NY-GLRC

Scope of Work • • Towed Side Scan Sonar for Large Areas Automated Underwater Vehicles for Details : Photographs Sonar Turbidity CDOM Chlorophyll Bathy. Boat with Horizontal Looking Sonar for Larval Fish Surveys in Shallow Water (experimental) Use Data Collected to aid in Ground Truthing the Remote Sensing Images

10 Days on the Water Data Analysis

The Bathy. Boat ASV for Hydrographic Mapping • • Autonomous Surface Vessel Remote Limnology Sensor Platform Manual Control Option Real-Time Telemetry and Data Stream Bathy. Boat trials in Lake St. Clair

Bathy. Boat Hull • Modified-V design with thumb screw access • Direction indicator (paint scheme) • GPS/radio dome • Fiberglass/ Aluminum composite

Communications • Digi XTend-PKG RF Modem – 1 Watt / 900 MHz – RS-232 communication up to ½ mile with original 6” antenna • Futaba 3 PM RC System (~100 yard range)

Finding Home: Compass & GPS • Honeywell HMR 330 ± 1. 0° Heading Accuracy ± 0. 1° Resolution ± 60 ° Roll / Pitch 24 m. A @ 5 VDC • Garmin 16 HVS GPS

Field Trials • Michigan • Wisconsin • North Slope, Alaska

Wild Pond

Field Trials: Alaska • July 6 -14, 2009 – Deadhorse – Helmerick’s – ANWR (Arctic National Wildlife Refuge) • 12 Lakes Surveyed & Categorized

Airborne Control Testing • Both manual control (RC) and RF control were demonstrated from a low-flying helicopter while performing data logging.

UM Iver 2 Vehicles

Quick Specs: • Color and B&W cameras • Imagenex Sidescan Sonar • Hard Drive: 64 GB, solid state • Batteries: 190 Watt-Hours (Approx. 6 -8 hours run time, 24 linear km) • Weight: 70 lbs

Mission Planning (Vector. Map by Ocean. Server Technology, Inc. )

Imagenex Sidescan Sonar * Triple frequency (260 k. Hz, 330 k. Hz, 770 k. Hz) * High resolution 1000 data points per side * Up to 400 m (1300’) total coverage * 300 m depth rating * LAN compatible * Built-in track plotter * Built-in internal GPS receiver * Record to. XTF in real-time

Thunder Bay National Marine Sanctuary Alpena, MI 8/17/2008 – 8/23/2008 Alpena Ann Arbor (Shipwreck in Thunder Bay, MI, 2008)

The View from the Bottom Site: Depth: B 2 46. 5 m C 2 12. 2 m

Bottom Classification