Eric is giving a boat tour and explanation about the different data acquisition systems to Steve, Jason, and Emily, the chase boat team from UH Hilo marine operations.
The harbor turtle came to check out our operation today.
The 1 km Porpoise array.
Bathymetry data from the Kailua-Kona Bay.
Multi-beam transducer in the water.
Data loggers of the Porpoise CSEM receivers used in this survey and their associated fish.
Eric performs a test to the CSEM transmitter.
The view of the Hualalai volcano from the Huki Pono survey boat.
Eric & Jake begin the deployment of the CSEM array.
The Porpoise array winch.
An admiral chart of the survey region displayed over the captain’s screen, as Breden adds survey tracks to the HyPack navigation software.
Logging of multi-beam backscatter water column data.
Dolphins near the Huki Pono bow.
Total survey coverage along the Hualalai groundwater system.
Jake assembles a Porpoise frame.
Brenden & Eric deploying the G-882 Magnetometer.
Brenden Deploys the G-882 magnetometer, which follows the boat 30 m behind at a depth of about 6 m.
Bathymetry data from the Kiholo Bay area.
Sometimes the view while surveying isn’t that bad. Note the proximity to the coastline as we tow the array along the 30m depth counter line.
Dallas nearby the B150 CSEM transmitter.
Jake & Dallas assembling one of the Porpoise receivers.
A family of Dolphins accompanied us during our transit to Kiholo Bay.
Dallas adding the GPS mast to the CTD frame.
Porpoise deployment.
The Huki Pono marine survey boat. ‘Huki Pono’ means ‘pull correctly’.
Porpoise array alignment along crossline 1. Our chase boat is positioned at the end of this 1 km array.
Jason, Khaira, and Eric are discussing water column Multi-beam data, whereas Patrick is operating the G-882 magnetometer system.
Sunset at transit to back to Harbor.
Preparing for deployment of the Porpoise array.
disassembling Porpoises 2, named Pike.
Bathymetry data from the Kailua-Kona Bay.
Lowering the multi-beam transducer into the water for position adjustment.
Jason checking out the CSEM transmitter
The terrestrial ends of lava tubes, as observed while surveying along the 30m depth contour line, south of Kailua-Kona.
We all waiting for a green flash at sunset time, which came and wa
CSEM system recovery.
The locations of the GPS units used by the CSEM system.
The 1 km Porpoise array nicely aligned with our survey boat. At the end of the array you can see the chase boat.
‘IkeWai Marine CSEM 