\(\delta_{w} = \frac{\sqrt{-4ac + b^{2} + 4cT} + b + 2cT}{2c} - d\)
Usage
general_bemis_d18Osw(d18Occ, temperature, a, b, c, d)
Arguments
- d18Occ
\(\delta^{18}O\) of the calcite in VPDB.
- temperature
Input temperature.
- a
Intercept.
- b
Slope.
- c
Slope of quadratic term.
- d
The conversion correction from VSMOW to VPDB.
Value
The calculated \(\delta^{18}O\) value in VSMOW.
References
Bemis, B. E., Spero, H. J., Bijma, J., & Lea, D. W. (1998). Reevaluation of the oxygen isotopic composition of planktonic foraminifera: Experimental results and revised paleotemperature equations. Paleoceanography, 13(2), 150–160. https://doi.org/10.1029/98PA00070