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satin

Visualisation and Analysis of Ocean Data Derived from Satellites

Description: With 'satin' functions, visualisation, data extraction and further analysis like producing climatologies from several images, and anomalies of satellite derived ocean data can be easily done. Reading functions can import a user defined geographical extent of data stored in netCDF files. Currently supported ocean data sources include NASA's Oceancolor web page https://oceancolor.gsfc.nasa.gov/, sensors VIIRS-SNPP; MODIS-Terra; MODIS-Aqua; and SeaWiFS. Available variables from this source includes chlorophyll concentration, sea surface temperature (SST), and several others. Data sources specific for SST that can be imported too includes Pathfinder AVHRR https://www.ncei.noaa.gov/products/avhrr-pathfinder-sst and GHRSST https://www.ghrsst.org/. In addition, ocean productivity data produced by Oregon State University http://sites.science.oregonstate.edu/ocean.productivity/ can also be handled previous conversion from HDF4 to HDF5 format. Many other ocean variables can be processed by importing netCDF data files from two European Union's Copernicus Marine Service databases https://marine.copernicus.eu/, namely Global Ocean Physical Reanalysis and Global Ocean Biogeochemistry Hindcast.

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Install

install.packages('satin')

Monthly Downloads

203

Version

1.1.0

License

GPL-3

Issues

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Maintainer

Héctor Villalobos

Last Published

September 22nd, 2022

Functions in satin (1.1.0)

climatology

Climatology of a satin object
crop

Cut a satin object
pixelate

Spatial re-scaling of ocean data
plot.satin

Visualise ocean data
imageScale

Make a color scale to accompany an image or other plot
quiver

Vectors of ocean currents velocities
read.cmems

Read ocean products data from CMEMS
isolines

Interpolate isolines from ocean data
read.ghrsst

Read sea surface temperature data from JPL Multi-scale Ultra-high Resolution (MUR) SST Project
read.osunpp

Read ocean productivity data from Oregon State University files
read.nasaoc

Read ocean data from NASA's Oceancolor web files
satin-class

Class "satin"
satinMean

Averaging ocean data by time period
satinPalette

Define custom color palettes for echograms
verticalProfiles

CTD-like vertical profiles for Copernicus variables
satinDataframe

Reshape a satin object into a data frame
velocity

Ocean currents velocities
dnpp

Ocean Net Primary Production sample data
dchl

Chlorophyll concentration sample data - Aqua Modis sensor
dsst

SST sample data - Aqua Modis sensor
anomaly

Anomalies of a satin object
extractPts

Extract ocean data values from a satin object
fmainPos

Calculate coordinates for title in plots
dmap

Map of northwest Mexico
dcmems

Copernicus Marine Service sample data