Improving temperature estimates derived from Mg/Ca of planktonic foraminifera using X-ray computed tomography-based dissolution index, XDX

Temperatures derived from Mg/Ca ratios of the calcite tests of planktonic foraminifera are distorted when samples are partially dissolved, and methods are required to quantify this source of inaccuracy. Here we compare a dissolution index (XDX), based on

Bibliographic Details
Published in:Paleoceanography
Main Authors: Johnstone, Heather J.H., Yu, Jimin, Elderfield, H, Schulz, Michael
Format: Article in Journal/Newspaper
Language:unknown
Published: American Geophysical Union
Subjects:
Keywords: calcite
calcium
calibration
carbonate
computer simulation
deep water
dissolution
estimation method
index method
magnesium
oxygen isotope
planktonic foraminifera
saturation
sensitivity analysis
temperature profile
threshold
tomography
X-ra
Planktonic foraminifera
Online Access:http://hdl.handle.net/1885/65073
https://doi.org/10.1029/2009PA001902
https://openresearch-repository.anu.edu.au/bitstream/1885/65073/5/01_Johnstone_Improving_temperature_2011.pdf.jpg
Description
Summary:Temperatures derived from Mg/Ca ratios of the calcite tests of planktonic foraminifera are distorted when samples are partially dissolved, and methods are required to quantify this source of inaccuracy. Here we compare a dissolution index (XDX), based on

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