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oce (version 0.2-2)

Analysis of Oceanographic data

Description

Supports the analysis of Oceanographic data, including ADP measurements, CTD measurements, sectional data, sea-level timeseries, 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

0.2-2

License

GPL (>= 2)

Maintainer

Dan Kelley

Last Published

May 9th, 2011

Functions in oce (0.2-2)

Draw isopycnal curves on an existing temperature-salinity plot

Add a column to an oce object

Convert ADV or ADP data between various coordinate systems

GMTOffsetFromTz

Determine time offset from timezone

applyMagneticDeclination

Earth magnetic declination

Create an TDR temperature-depth recorder data file

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

More general form of as.POSIXlt

Read a section containing multiple CTD profiles

Seawater profile used by Reiniger and Ross (1968)

WOCE section a03

Decode table-of-contents file from a datalogger

Create a windrose object

Read a sea-level data file

Smooth a matrix.

Convert ADP from beam coordinates to xyz coordinates

Summarize a topography data object

Interpret a character string as a time interval

Create a history item.

Trim start/end portions of a CTD cast

Smooth an oce object

World coastline

Wrapper to give normalized spectrum

Name an acoustic-doppler beam.

Summarize a cm (current meter) object

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

sealevelTuktoyaktuk

Sea-level data set acquited in 1975 at Tuktoyaktuk

Decimate an oce object

Plot seawater data in a low-level fashion

Interpolate with Reiniger-Ross algorithm

Coerce data into coastline dataset

Fill a gap in an oce object

Bin-average a vector y, based on x values

Plot temperature-salinity diagram for seawater (CTD) data

Plot cm (current meter) data

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

Coerce data into sea-level dataset

Plot an image with a colour palette

Plot a CTD section

Detrend a set of observations

Scan a coastline data file

sealevelHalifax

Sea-level data set, from Halifax Harbour

Squared buoyancy frequency for seawater

Estimate atmospheric pressure in pt record

Find the type of an oceanographic data file

Format a longitude

Decode integer to corresponding ASCII code

Remove spikes from a time series

ADP (acoustic-doppler profiler) dataset

Create a palette of colours

Coastline of St Lawrence Estuary

Add an item to object history

Decode BCD to integer

Print a debugging message

Seawater CTD profile, without trimming of extraneous data

Summarize a pt object

Determine coordinate system for acoustic-doppler device

Copy an object, but with an updated history.

Seawater CTD profile

coastlineMaritimes

Coastline data set, showing Maritime provinces of Canada

Plot a CTD profile of various quantities

Plot a tidal fit

Bind CTD profiles together into a cross section

magneticDeclination

Earth magneticDeclination

Plot sealevel data

Coriolis parameter on rotating earth

Plot topography data

Substitute NA for data outside a range

Filter a time-series, possibly recursively

Format a latitude-longitude pair

ptr (pressure-temperature) dataset

Coerce data into topo dataset

Decimate a CTD profile

unabbreviateYear

Determine year from various abbreviations

Find the root of a function by bisection

Read a current-meter data file

Seawater lapse rate

coastlineHalifax

Coastline data set, showing Halifax Harbour

Seawater viscosity

Format bytes as binary

Return the header for an Oce data object

Read a CTD data file

Read an topography file

oce.plot.sticks

Draw a stick-plot diagram

Read an ADP data file

beamUnattenuateAdp

Unattenuate ADP beam signal strength

Coerce data into ctd dataset

Draw a stick-plot diagram

numberAsPOSIXct

Convert a numeric time to a POSIXct time

Munk's (1966) temperature profile

Rescale values to lie in a given range

Seawater conductivity

Geodesic distance on earth

Replace the heading for one instrument with the heading for another

Smooth a section (preliminary version that may change)

summary.sealevel

Summarize a sealevel object

Edit an oce object

Convert ADP to enu coordinates, from any other coordinates

Seawater quasi-potential density anomaly

Seawater potential density anomaly

full name of file, including path

Predict a time series from a tidal model

Add a column to a CTD file

Adjust the time within Oce object

oce.write.table

Write the data portion of object to a file

Topographic dataset, showing Maritime region of Canada

Provide axis names in adjustable sizes

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

Read a lobo data file

oce.axis.POSIXct

Modified version of axis.POSIXct

Parse a latitude or longitude string

Convert ADP or ADV from xyz coordinates to enu coordinates

summary.coastline

Summarize a coastline data object

summary.section

Summarize a CTD section

Subset an oce object

Seawater density anomaly

swDynamicHeight

Dynamic height of seawater profile

Window an oce object by time or distance

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

Read an oceanographic data file

Read an ADV data file

Make a digital filter

Summarize an ADV object

Convert lat/lon to x/y on earth

Global topographic dataset at half-degree resolution

Plot a coastline

Plot pt (pressure-temperature) recorder data

summary.history

Summarize the history of an Oce object

Format a confidence interval in parenthetic notation

Seawater density

topoInterpolate

Interpolate within a topography dataset

Grid data using Barnes algorithm

Plot a wind rose diagram

Seawater spiciness

Convert a time interval to a colon-separated string

velocityStatistics

Report statistics of ADP or ADV velocities.

Seawater haline contraction coefficient

Fit a tidal model to a timeseries

Format a latitude

Acceleration due to earth gravity

Seawater sound speed

Seawater thermal expansion coefficient

Read an TDR temperature-depth recorder data file

swAlphaOverBeta

Ratio of seawater thermal expansion coefficient to haline contraction coefficient

Plot seawater CTD data

Do ephemeris calculations for tidem

Seawater salinity from conductivity ratio, temperature and pressure

Summarize a CTD object

Show summary-style fivenum stats

summary.windrose

Summarize a windrose data object

Unwrap an angle that suffers modulo-360 problems

Seawater CTD section

Solar angle as function of space and time.

Seawater potential temperature

Show some values from a vector

Summarize a lobo data object

Tidal constituent information

Summarize a tide-model object

Seawater salinity from temperature and density

Seawater specific heat

Correct for drift in instrument clock

Seawater freezing temperature

Do ephemeris calculations for tidem

Convert ADV to enu coordinates, from any other coordinates

Seawater temperature from salinity and density

Write a CTD data object as a .csv file

ctdUpdateHeader

Update a CTD header

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

Plot a time-series, obeying the timezone

Welch periodogram

Trim start/end portions of a pt cast

Convert ADV from beam coordinates to xyz coordinates

Summarize an ADP object

Convert ADP or ADV from xyz coordinates to enu coordinates