(Pictures)
 |
 |
 |
| Preparation for RAS setup (Orange ball in the front is the top buoy of mooring cable. Yellow balls are glass floats (buoyant materials). Mooring cable is rolled up around wooden drums on the left, those cables will be connected to be approximately 5,300m long.) |
Remote Access Sampler (RAS) (Empty sample bags (silver) are installed inside of clear acrylic containers. White object on the right side is the intake and exhaust pump.) |
Setting up of RAS |
 |
 |
 |
| Retrieval of Mooring Cable (Top buoy surfaced after a long-period mooring. 5,300m long cable attached with RAS and other observation devices is going to be retrieved.) |
Retrieved RAS (Inflated silver sample bags indicate that samplings were conducted successfully. White object in the middle is the switch valve.) |
Chemical analysis of samples (Seawater samples are analyzed immediately on the ship.) |