Week of 4/8: System status NORMAL. To check individual assets and information, visit ioos.us and/or the Environmental Sensor Map.

Screenshot of web display from November 22, 2019 showing locations of 370 hauls reporting bottom temperature in the previous month with more than a dozen boats reportingThe project aims to substantially reduce the cost of data collection by collaborating with fishermen who volunteer their vessels and equipment as platforms for environmental sensors. They are adding new measurements (dissolved oxygen and current), improved ship-to-shore communications (Iridium satellite and 4G cellular) and a more robust deck box to vessels and 40+ fishing captains already engaged in the real-time data collection effort in the Northeast.

Specific details:

  1. Upgrade the Deck Box: The Deck Box is the “brains” of the system and is the most critical component. It resides in the wheelhouse of the fishing boat and collects data from sensors, displays it for fishers and relays it to the internet (ultimately to IOOS servers). The first priority is a re-design of the deck box with an emphasis on robustness, reliability and reduced support.
  2. Add Current Measurements: Tilt Current Meters (TCMs) have been deployed successfully by fishers in the last few years (McElroy et. al. 2019). The meters can be attached to a wide variety of fixed fishing gear at both the surface and on the bottom.
  3. Add Dissolved Oxygen Measurements: The project intends to add an off-the-shelf optical dissolved oxygen (DO) sensor to the system to be used in locations where hypoxia is a concern.
  4. Improved Ship-to-Shore Communications: The project will add two new communications packages to the Deck Box: a 4G cellular modem (for smaller vessels that operate close to shore) and an Iridium satellite modem (for vessels that take multi-day trips over the horizon).


  • Year 1: $385,372
  • Year 2: $396,906
  • Total: $782,278

Gulf of Maine Lobster Foundation


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Silver Spring, MD 20910

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