Southern Oscillation Index (SOI) at LDEO/IRI Climate Data Library
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C1214610848-SCIOPS.html
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资源简介：
The Southern Oscillation Index (SOI) is the difference between the
standardized Tahiti Sea Level Pressure (SLP) and the standardized
Darwin SLP measurements. The data was originally collected by
NOAA/NCEP.
The SOI runs from 1951 to present. An earlier standardized SOI runs from 1881
to present.
提供机构：
SCIOPS
