Environmental Monitors on Lobster Traps and Large Trawlers

(eMOLT)

More than one hundred commercial fishing vessels on the Northeast Shelf now have oceanographic sensors installed on their fixed and mobile gear. Some have experimented with tide gauges, acoustic listening devices, cameras, satellite-tracked drifters, current meters, and salinity monitors but the primary focus has been collecting bottom temperatures. While some gear are fitted with internally-recording devices that have returned more than two decades of hourly data from fixed locations, about half the vessels are fitted with satellite transmitters so that ~30,000 hauls have reported bottom temperatures in realtime. In the past year, several vessels are now equipped with water column profilers to document the vertical stratification of temperature and a few are collecting records of bottom dissolved oxygen. 

The primary goal is to feed the data to both ocean models and stock assessment models.

While the project was initiated at NOAA's Northeast Fisheries Science Center in 2001, the Gulf of Maine Lobster Foundation leads the administration/operations along with several partners.

As we transition between two database systems, not all the data is stored in one place. To see some of the vessels with observed and modeled bottom temperatures still with the old database system click here.

To see a map of bottom temperature observations from the last month from both systems, click here.

To see an animation of raw temperature profiles from the last month, click here.

To see a sample of some news releases, click here.

To sign-up to see your detail data on private account, click here.

To see instructional videos on several eMOLT-related web portals, click here.

Funding comes from a variety of sources over many years including:

For more information on the project, how to get involved, what instruments are used, and where to find the data, contact george.maynard@noaa.gov.