Table T1. Site surveys in the Iheya North hydrothermal field and the surrounding area.
| Cruise name | Vessel | Period | Site surveys |
|---|---|---|---|
| KR01-09 | Kairei | Jul–Aug 2001 | Heat flow, bathymetry, gravity, magnetism, subbottom profiling, coring |
| NT02-06 | Natsushima | Apr–May 2002 | Seafloor survey and sampling by submersible, heat flow |
| KY02-11 | Kaiyo | Nov–Dec 2002 | Multichannel seismic reflection survey |
| NT03-09 | Natsushima | Aug–Sep 2003 | Seafloor survey and sampling by ROV, heat flow |
| KY05-14 | Kaiyo | Jan 2005 | Heat flow, coring |
| YK06-09 | Yokosuka | Jul 2006 | Seafloor survey and sampling by submersible, single channel seismic reflection survey, heat flow |
| KY07-03 | Kaiyo | May 2007 | Multichannel seismic reflection survey |
| YK07-07 | Yokosuka | May 2007 | High-resolution of bathymetry, side-scan sonar imaging by autonomous underwater vehicle |
| NT07-11 | Natsushima | June 2007 | Seafloor survey and sampling by ROV, heat flow |
| NT07-13 | Natsushima | July 2007 | Seafloor survey and sampling by ROV, heat flow |
| KY08-01 Leg 2 | Kaiyo | Jan 2008 | Coring |
| KY08-01 Leg 3 | Kaiyo | Jan–Feb 2008 | Coring |
| KR10-02 | Kairei | Jan 2010 | Multichannel seismic reflection survey |
ROV = remotely operated vehicle.
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