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oce (version 0.4-1)

Analysis of Oceanographic data

Description

Supports the analysis of Oceanographic data, including ADP measurements, CTD measurements, sectional data, sea-level time series, coastline files, etc. Provides functions for calculating seawater properties such as potential temperature and density, as well as derived properties such as buoyancy frequency and dynamic height.

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Version

Install

install.packages('oce')

Monthly Downloads

2,573

Version

0.4-1

License

GPL (>= 2)

Maintainer

Dan Kelley

Last Published

July 23rd, 2011

Functions in oce (0.4-1)

Create an TDR temperature-depth recorder data file

coastlineHalifax

Coastline data set, showing Halifax Harbour

Create a windrose object

Decode integer to corresponding ASCII code

World coastline

Munk's (1966) temperature profile

Convert ADV or ADP data between various coordinate systems

applyMagneticDeclination

Earth magnetic declination

Convert ADP from beam coordinates to xyz coordinates

full name of file, including path

Draw a palette on the right-hand side of plot device

GMTOffsetFromTz

Determine time offset from timezone

Trim start/end portions of a CTD cast

Smooth a matrix.

ADP (acoustic-doppler profiler) dataset

Smooth an oce object

Read a current-meter data file

Interpret a character string as a time interval

Coerce data into ctd dataset

Coerce data into coastline dataset

Plot a CTD section

Decode table-of-contents file from a datalogger

Seawater CTD profile

Find indices of tiems in an ordered vector

Read an topography file

Coerce data into sea-level dataset

Bind CTD profiles together into a cross section

Trim start/end portions of a pt cast

Find spots in a raw vector that match a given byte sequence.

Find the root of a function by bisection

Convert an angle from the 0:360 range to -180:180

Coriolis parameter on rotating earth

Print a debugging message

Decimate a CTD profile

Bin-average a vector y, based on x values

ptr (pressure-temperature) dataset

Extract data from an oce object

Decode BCD to integer

Plot cm (current meter) data

Decimate an oce object

Coerce data into topo dataset

Plot a tidal fit

Summarize a pt object

Format a latitude-longitude pair

Summarize a topography data object

Parse a latitude or longitude string

Coastline of St Lawrence Estuary

Add a column to a CTD file

Scan a coastline data file

Predict a time series from a tidal model

Seawater potential density anomaly

beamUnattenuateAdp

Unattenuate ADP beam signal strength

Edit an oce object

Plot a wind rose diagram

Grid data using Barnes algorithm

Convert lat/lon to x/y on earth

Plot seawater CTD data

Seawater density

Draw isopycnal curves on an existing temperature-salinity plot

Return the header for an Oce data object

numberAsPOSIXct

Convert a numeric time to a POSIXct time

coastlineMaritimes

Coastline data set, showing Maritime provinces of Canada

More general form of as.POSIXlt

Name an acoustic-doppler beam.

Convert a time interval to a colon-separated string

Seawater CTD profile, without trimming of extraneous data

Determine coordinate system for acoustic-doppler device

Format bytes as binary

Convert ADP from east-north-up coordinates to other coordinates

oce.plot.sticks

Draw a stick-plot diagram

magneticDeclination

Earth magneticDeclination

Convert ADV from beam coordinates to xyz coordinates

ctdUpdateHeader

Update a CTD header

Plot an image with a colour palette

Read an oceanographic data file

summary.processingLog

Summarize the processingLog of an Oce object

Make a digital filter

Redfield's (1934) NO3 and total CO2 data

Add a column to an oce object

Adjust the time within Oce object

Read an TDR temperature-depth recorder data file

oce.write.table

Write the data portion of object to a file

Find the type of an oceanographic data file

Interpolate with Reiniger-Ross algorithm

oce.axis.POSIXct

Modified version of axis.POSIXct

Remove spikes from a time series

Provide axis names in adjustable sizes

Seawater specific heat

Filter a time-series, possibly recursively

Convert ADV from east-north-up coordinates to other coordinates

Geodesic distance on earth

Seawater temperature from salinity and density

Read a CTD data file

sealevelHalifax

Sea-level data set, from Halifax Harbour

Format a longitude

Summarize an ADV object

Acceleration due to earth gravity

Southern Oscillation Index

Plot a CTD profile of various quantities

Format a latitude

Show some values from a vector

Subset an oce object

summary.windrose

Summarize a windrose data object

Correct for drift in instrument clock

Squared buoyancy frequency for seawater

Seawater haline contraction coefficient

Seawater salinity from conductivity ratio, temperature and pressure

swAlphaOverBeta

Ratio of seawater thermal expansion coefficient to haline contraction coefficient

Return the header for an Oce data object

Seawater freezing temperature

Create a palette of colours

Fit a tidal model to a timeseries

Read a lobo data file

Rescale values to lie in a given range

Plot a time-series, obeying the timezone

velocityStatistics

Report statistics of ADP or ADV velocities.

Wilson's (1963) table of seafloor spreading

Convert ADP or ADV from xyz coordinates to enu coordinates

Estimate atmospheric pressure in pt record

Seawater thermal expansion coefficient

Plot temperature-salinity diagram for seawater (CTD) data

Welch periodogram

Plot pt (pressure-temperature) recorder data

Do ephemeris calculations for tidem

Read a sea-level data file

Summarize a tide-model object

Write a CTD data object as a .csv file

Redfield's (1934) NO3 and PO4 data

Read an ADV data file

Read an ADP data file

Window an oce object by time or distance

Draw a stick-plot diagram

Wrapper to give normalized spectrum

Seawater potential temperature

Riley's (1946) observation and theory of phytoplankton concentration

unabbreviateYear

Determine year from various abbreviations

Returns the first or last parts of an oce object.

Plot a coastline

Extract pressure, salinity, or temperature from an oce object

Seawater spiciness

Seawater viscosity

Smooth a section (preliminary version that may change)

redfieldPlankton

Redfield's (1934) Table II

Summarize a cm (current meter) object

Global topographic dataset at half-degree resolution

Extract time from an oce object

summary.coastline

Summarize a coastline data object

Topographic dataset, showing Maritime region of Canada

Seawater CTD section

Solar angle as function of space and time.

Add an item to object processingLog

Plot topography data

Summarize a lobo data object

topoInterpolate

Interpolate within a topography dataset

summary.sealevel

Summarize a sealevel object

Seawater salinity from temperature and density

WOCE section a03

Show min, mean, and max values

Convert ADV to enu coordinates, from any other coordinates

Seawater density anomaly

swDynamicHeight

Dynamic height of seawater profile

Plot sealevel data

Seawater sound speed

Calculate min, mean, and max values

Convert ADP or ADV from xyz coordinates to enu coordinates

summary.section

Summarize a CTD section

Detrend a set of observations

Format a confidence interval in parenthetic notation

Fill a gap in an oce object

Do ephemeris calculations for tidem

Unwrap an angle that suffers modulo-360 problems

Tidal constituent information

Extract velocity from an oce object

Plot seawater data in a low-level fashion

Read a section containing multiple CTD profiles

Seawater lapse rate

Seawater conductivity

Seawater profile used by Reiniger and Ross (1968)

Time-series of wind and temperature at Halifax, Canada.

Substitute NA for data outside a range

Summarize a CTD object

sealevelTuktoyaktuk

Sea-level data set acquited in 1975 at Tuktoyaktuk

Summarize an ADP object

Seawater quasi-potential density anomaly

Replace the heading for one instrument with the heading for another

Convert ADP to enu coordinates, from any other coordinates