NISCD
A data frame measuring daily sea-ice extent from 1978 until 2013.
data(nisdc)
A data frame measuring daily sea-ice extent from 1978 until 2013
ftp://sidads.colorado.edu/DATASETS/NOAA/G02135/north/daily/data/NH_seaice_extent_final.csv
and
ftp://sidads.colorado.edu/DATASETS/NOAA/G02135/north/daily/data/NH_seaice_extent_nrt.csv. The
data can be downloaded with
read.table(.,sep=",",skip=2,col.names=col.names)
.
See the blog post http://www.r-bloggers.com/arctic-sea-ice-at-lowest-levels-since-observations-began/ for a description and nice script to play with.
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