enviro.data {biwavelet}

Multivariate ENSO (MEI), NPGO, and PDO indices

Description

Monthly indices of ENSO, NPGO, and PDO from 1950 to 2009

Usage

data(enviro.data)

Format

A data frame with 720 observations on the following 6 variables.

month

a numeric vector containing the month

year

a numeric vector containing the year

date

a numeric vecor containing the date

mei

a numeric vector containing the MEI index

npgo

a numeric vector containing the NPGO index

pdo

a numeric vector containing the PDO index

Source

MEI: https://psl.noaa.gov/enso/mei/

NPGO: http://www.o3d.org/npgo/

PDO: http://research.jisao.washington.edu/pdo/

References

Di Lorenzo, E., N. Schneider, K. M. Cobb, P. J. S. Franks, K. Chhak, A. J. Miller, J. C. McWilliams, S. J. Bograd, H. Arango, E. Curchitser, T. M. Powell, and P. Riviere. 2008. North Pacific Gyre Oscillation links ocean climate and ecosystem change. Geophys. Res. Lett. 35:L08607.

Mantua, N. J., and S. R. Hare. 2002. The Pacific decadal oscillation. Journal of Oceanography 58:35-44.

Zhang, Y., J. M. Wallace, and D. S. Battisti. 1997. ENSO-like interdecadal variability: 1900-93. Journal of Climate 10:1004-1020.

Examples

data(enviro.data)
head(enviro.data)