For the first time since 1985, parts of the Connecticut River near Hatfield and Holyoke will not have channel markers informing boaters of possible dangers.

Multibeam echosounders (MBES) are the tool of choice for high-precision underwater surveys, especially when water conditions render optical imagery ineffective. We present and evaluate the following ...

The dynamic modelling and path following control of a stand up paddle board based unmanned surface vessel, of the type appropriate for bathymetric survey applications, are presented. The dynamic model ...