Field Activity Details for field activity 2023-635-FA

AKA: none

Other ID: IODP Exp. 389

Status: Pending

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Coral Reef Science for Coasts (ZP00TY5)

Principal Investigator(s): Nancy Prouty

Affiliate Investigator(s): Christina Ravelo and Jody Webster

Information Specialist(s):

Data Type(s): Sampling: Geology, Sampling: Chemistry, Biological Field Study: Surveys (biological), Visual Identification: Species ID, Sampling: Biology

Scientific Purpose/Goals: The IODP scientific team will core in up to eleven locations, to a depth of 150 m below the seafloor, with the aim to address questions on main themes: • To reconstruct sea-level change in the central Pacific over the last 500,000 years; • To reconstruct the variability in climate over the last 500,000 years, as recorded in the fossil corals, and better understand the differences in response between a seasonal - inter-annual variation in climate against what represents a more permanent shift in sea surface temperature, rainfall and storm tracks; • To understand how coral reef systems respond both geologically and biologically to rapid changes in sea-level and climate - for example can reefs turn on and off when they reach certain limits, and how do they recover from disturbances in the system;

Vehicle(s):

Start Port/Location: Honolulu, HI

End Port/Location: Honolulu, HI

Start Date: 2023-08-22

End Date: 2023-10-31

Equipment Used: sample, borrowed equipment, coral_core

Information to be Derived: Coral growth and species composition during sea-level change over the last 500,000 years. A full suite of geochemical proxies will be performed on the coral skeleton material after collection. If possible, pore fluids will also be collected for microbial analysis.

Summary of Activity and Data Gathered: collect cores from drowned carbonate reefs surrounding the Big Island

Staff:

Affiliate Staff:
Christina Ravelo (UCSC) and Jody Webster (University of Sydney)

Notes: IODP will be condcuting coral core drilling on the MMA Valour using the Benthic Geoteh Portable Remotely Operated Drill (PROD).

Location:

Big Island, Hawaii

Platform(s):

Publications

Portals/Viewers

Data Acquired