shakun.proxies: Climate proxy data from Shakun et al (2012)

In EarthSystemDiagnostics/climproxyrecords: Published climate proxy records

Description

The climate proxy data supplied as supplementary online material with the publication, Shakun et al (2012), was read into R from the .xls file and reformatted into a handy format for use in R.

Please cite both Shakun et al (2012), and the original sources from which the data were extracted. A full list of sources can be found in the dataframe shakun.metadata

Usage

data(shakun.proxies)

Format

A tbl (data.frame) with 14 columns and 16879 rows containing the following variables:

Variable.name	Units	Description
Core	NA	Core ID
Number	NA	ID number assigned in publication
ID	NA	A unique ID formed by combining Core and Proxy.type
Proxy.type	NA	Proxy type
Proxy.value	NA	Proxy value
Published.temperature	deg C	NA
Temperature	deg C	NA
Age	yr BP	Best available age in yr BP, Present = 1950 AD, Marine04.age when present, otherwise Published.age
Published.age	yr BP	Age in yr BP, Present = 1950 AD
Age.model.error	yr	Estimated error in age model, in years per 1 SD
Marine04.age	yr BP	Age in yr BP, Present = 1950 AD
Marine09.age	yr BP	Age in yr BP, Present = 1950 AD
Proxy.depth.m	m	Proxy depth
Proxy.depth.cm	cm	Proxy depth

Reference

Shakun, Jeremy D., Peter U. Clark, Feng He, Shaun A. Marcott, Alan C. Mix, Zhengyu Liu, Bette Otto-Bliesner, Andreas Schmittner, and Edouard Bard. 2012. “Global Warming Preceded by Increasing Carbon Dioxide Concentrations during the Last Deglaciation.” Nature 484 (7392): 49–54. doi:10.1038/nature10915.

Corrections

None so far required

Source

http://www.nature.com/nature/journal/v484/n7392/full/nature10915.html

EarthSystemDiagnostics/climproxyrecords documentation built on Feb. 12, 2022, 8:48 p.m.