- Volume 17 Issue 4
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Deep-sea floor exploration in the East Sea using ROV HEMIRE
무인잠수정 해미래 활용 동해 저서환경 심해탐사
- Received : 2016.03.02
- Accepted : 2016.04.07
- Published : 2016.04.30
HEMIRE is a 6,000-meter-class remotely operated vehicle (ROV) that has been developed for observation and sampling of objects of interest on the deep seabed. We first carried out deep-seabed exploration around the slopes of the Hupo Bank and the Ulleung Basin in the East Sea in June 2015. Over two weeks, a total of 10 dives were made from a support ship, the R/V Onnuri, at eight stations with water depth ranging between 194 and 2,080 m. The dive times ranged from 1 to 6 hours, depending on the operating conditions. We obtained the following results: 1) video images of the deep seafloor; 2) red snow crab density data (a major fishery resource) and inventories of deep-sea fauna, including an unrecorded organism; 3) specific topographies such as canyons slopes; 4) an undisturbed sediment core obtained using a push corer; and 5) observations of the seabed surface covered with discarded anthropogenic waste material.
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Grant : 심해 유무인 잠수정 기술개발 및 운용인프라 구축