dchla: Chlorophyll sample data - Aqua Modis sensor

In r-forge/satin: Functions for downloading, reading and displaying satellite data for oceanographic applications with R

Description

Mean chlorophyll-a concentration in April 15-22 2013 off northwest Mexico

Usage

data(dchla)

Format

A list of 7

$ longitude : a vector of longitudes (length=600)

$ latitude : a vector of latitudes (length=528)

$ rs.data : an array [528, 600, 1] of mean chlorophyll-a concentration

$ rs.name : character string of variable full name ("Chlorophyll a concentration")

$ rs.units: character string of variable units ("mg m^-3")

$ period : character string of averaging period in data ("2013 Apr 15-22")

$ itype : character string giving the type of data ("oceancolor")

- attr(*, "class")= chr "satin"

Details

Source data file (A20131052013112.L3m_8D_CHL_chlor_a_4km.bz2) was obtained from the link below, then uncompressed and converted to hdf v5 with h4h5tools (http://www.hdfgroup.org/h4toh5) before being processed with the read.oceancolor function. The selected area covers from 20 to 42 degrees of latitude North and from 130 to 105 degrees of longitude West.

Source

http://oceancolor.gsfc.nasa.gov/cgi/l3

References

http://oceancolor.gsfc.nasa.gov/DOCS/publications.html

Examples

data(dchla)
str(dchla)
plotSatin(dchla)

## view it in logarithmic scale
plotSatin(dchla, log=TRUE)

r-forge/satin documentation built on Feb. 18, 2022, 2:39 a.m.