ISRaD (version 2.5.5)

ISRaD.extra.delta_delta: ISRaD.extra.delta_delta

Description

Calculates the difference between sample delta 14c and the atmosphere for the year of collection (delta-delta)

Usage

ISRaD.extra.delta_delta(database)

Value

ISRaD_data object with new delta-delta columns in relevant tables.

Arguments

database

ISRaD dataset object

Author

J. Beem-Miller

Details

Creates new column for delta-delta value. Function "ISRaD.extra.calc_atm14c" should be run first.

Examples

# Load example dataset Gaudinski_2001
database <- ISRaD::Gaudinski_2001
# Fill profile coordinates
database.x <- ISRaD.extra.fill_coords(database)
# Fill dates
database.x <- ISRaD.extra.fill_dates(database.x)
# Fill delta 14C from fraction modern
database.x <- ISRaD.extra.fill_rc(database.x)
# Fill atmospheric 14c
database.x <- ISRaD.extra.calc_atm14c(database.x)
# Fill delta delta
database.x <- ISRaD.extra.delta_delta(database.x)