IODP Expedition 389:
Hawaiian Drowned Reefs
Expedition 389 blog
Summer 2023
Blog posts
Stimulating curiosity and exceptional experiences
Everybody remembers the first contact with the International Ocean Discovery Program – or the previous programs DSDP, ODP or IODP, if it is in the repository, at sea or at the…
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Hyperspectral scanning – Maps of Light
The ECORD Science Operator is testing a new piece of equipment during the onshore science party of IODP Expedition 389. We always photograph all cores with a high-resolution camera, similar to…
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Dating the Cores
One of the most unique and innovative aspects of IODP Expedition 389 is the opportunity to collect data from extremely old corals. “The coral samples we’re getting from this expedition are…
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Scientist Spotlight: Logan Brenner
Logan Brenner is a paleoclimatologist interested in reconstructing past oceanic conditions using the geochemistry of stony corals. After receiving her B.A. from Skidmore College, she earned her Ph.D. in Earth and…
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Blog of IODP Expedition 389: Hawaiian Drowned Reefs
Summer 2023
This expedition is being implemented by ECORD – the European Consortium for Ocean Research Drilling »
The scientific team will core in up to eleven locations, to a maximum depth of 110 m below the seafloor, in a series of fossil coral reefs surrounding the island of Hawai’i. This location represents a unique succession of expanded reef sequences – a key for the recovery of high-resolution climate and reef response records. Covering important time periods in the Earth’s climate history, the information contained in these natural fossil reef archives will help scientists reconstruct sea-level change at a much higher resolution than previously possible at a stable far-field site. It will also enable them to investigate the links between global sea-level change and global climate change, and therefore the mechanisms that control abrupt climate change. Read more on the expedition webpage »
Mission-specific platform
IODP Expedition 389 in numbers
1
vessel
& seabed rockdrill
11
drill sites
100 – 1200 m
water depth
110 m
drilling depth
60
days offshore
Follow updates on Expedition 389
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Blog of IODP Expedition 389: Hawaiian Drowned Reefs 