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ALWAS*
Automated Lagrangian Water Quality Assessment System
ALWAS is an inexpensive, automated, free-floating, sail-powered or jet-driven water quality measuring and watershed evaluation system.  It is capable of making a wide range of measurements, as rapidly as every 40 seconds.  Data can be transmitted in real-time or stored for later retrieval and analysis.
Water Properties, including:
•Temperature
•Barometric Pressure
•Conductivity / Salinity
•Dissolved Oxygen
•pH
•Turbidity
•Depth
•Oxidation-Reduction Potential
•Chlorophyll-a
•Blue-Green Algae
GPS Data, including:
•Geographic location
      (Latitude and longitude)
•Speed and Heading
•Quality metric
•Number of visible satellites
•Time and date
Optional Measurements:
•Nitrates
•Ammonium
•Chlorides
For more information, please contact Robert Shuchman at
734.649.0937 or  shuchman@mtu.edu
* Patent Pending
ALWAS Software allows for:
-Real-time wireless data transmission at   over a distance of 1 mile.
-Automatic data download to a geographic database (ESRI shapefile) and Excel spreadsheet.
-GIS mapping capabilities
Example of ALWAS Data. 
Lake Michigan and
Kalamazoo River
Lime Lake,
Tiffin River Watershed
Statistics calculated for North Slope of Alaska Lakes
ALWAS deployed
along Kalamazoo River