INVITATION TO TENDER FOR A FLOATING TOWED TRANSIENT ELECTROMAGNETIC PROFILING SYSTEM

A tender is requested for one (1) floating towed transient electromagnetic profiling system for surveys of groundwater mixing at sea and on lakes. Please, see the Invitation Letter for details.

A tender is requested for one (1) floating towed transient electromagnetic profiling system for surveys of groundwater mixing at sea and on lakes. The object of the tender shall satisfy the following requirements. Minimum requirements • Full system for waterborne transient electromagnetic profiling at sea and on lakes • Dual moment transient electromagnetic measurements to obtain both shallow and deep subsurface information • Depth penetration of the profiles at least 20 m in the Finnish coastal sea areas (salinity 2-7) • Lateral resolution down to 10 x 10 m • Compact system, with the entire system extending no more than 20 m behind the towing vehicle and a maximum width of 6 m during field operation • Integrated required GPS receiver(s) • Integrated water depth sounder • Recommendation of a suitable laptop for field surveys • Windows compatible software for instrument configuration, field surveys, data offload and data processing • All necessary accessories (such as data cables, power cords, batteries, tools and parts) required for the operation of the instrument shall be included Please, see the Invitation Letter for details.