Abstract
For the purpose of sampling of deep sea water (DSW), a movable type pumping device easily installed on board such as tug boat, was developed, and pumped up DSW at 35 km Miyako, Iwate in Sanriku. The device and the characteristics of DSW obtained were described. Considering the temperature, DSW should be pumped at least from the depth of 550 m or below off Sanriku.
