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North Atlantic Oscillation (NAO) Index (ea_data)

Source: R/data-documentation.R
nao.Rd

The NAO Index represents the difference in sea-level atmospheric pressures between the Azores and Iceland, calculated by PCA of 500 mb height anomalies.

Usage

data(nao)

Format

An ea_data object:

data

A tibble:

year

Year

value

NAO anomaly value

meta

A named list. Keys include:

  • data_type: "NAO Index"

  • region: "North Atlantic"

  • location_descriptor: "Azores-Iceland"

  • units: "index"

  • species: NA

  • source_citation: "NOAA, see source"

  • original_value_col: e.g. "anomaly"

Source

https://www.ncei.noaa.gov/access/monitoring/nao/

Author

Jamie C. Tam; Chantelle Layton