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Kikuchi Lab
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The lab uses ship and buoy observations to reveal changes in Arctic sea ice and the ocean.

AboutAbout the lab
Revealing Arctic Ocean change through observation
The Kikuchi Lab studies changes in the sea ice and ocean environment of the Arctic Ocean, which are progressing rapidly due to global warming.
The rapid decline of Arctic sea ice has become known as one of the clearest signs of global warming.
The lab aims to clarify the actual state and causes of these changes, mainly through observation.
In addition to observations from the ocean research vessel Mirai and foreign icebreakers, the lab also collects year-round data using moorings and drifting buoys.
Key terms
- Icebreaker
- A ship that can move forward by breaking through thick ice. It is used for observations in ice-covered seas.
- Mooring
- An observation system in which instruments are attached to a rope anchored to the seafloor, measuring continuously at the same location over a long period.
- Drifting buoy
- An observation device that drifts with sea ice or ocean currents while continuously measuring and transmitting data such as its position and water temperature.
ResearchResearch themes
The lab aims to clarify the actual state of changes in the Arctic Ocean environment and their causes, mainly through observational methods. It analyzes data from shipboard in situ observations, as well as year-round data from moorings and drifting buoys.
View More ↗MembersFaculty
- Visiting ProfessorTakashi Kikuchi
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images.
- Top image: “JAMSTEC Research Vessel MIRAI” IikaJzuchiN / CC BY 4.0 (cropped)
- Observing changes in Arctic sea ice and the ocean: “Icebreakers Louis S. St-Laurent and Healy in the Arctic Ocean” Petty Officer 3rd Class Patrick Kelley / Public domain (cropped)
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