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oce (version 0.2-1)

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

0.2-1

License

GPL (>= 2)

Maintainer

Dan Kelley

Last Published

April 28th, 2011

Functions in oce (0.2-1)

Summarize a cm (current meter) object

Parse a latitude or longitude string

Acceleration due to earth gravity

Convert lat/lon to x/y on earth

Create a history item.

Convert ADV from xyz coordinates to enu coordinates

Summarize a pt object

Decode integer to corresponding ASCII code

Seawater CTD profile

Seawater freezing temperature

Seawater profile used by Reiniger and Ross (1968)

Add a column to a CTD file

Coerce data into ctd dataset

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

applyMagneticDeclination

Earth magnetic declination

Smooth a matrix.

coastlineMaritimes

Coastline data set, showing Maritime provinces of Canada

Plot an image with a colour palette

numberAsPOSIXct

Convert a numeric time to a POSIXct time

Convert ADV from beam coordinates to xyz coordinates

GMTOffsetFromTz

Determine time offset from timezone

Coastline of St Lawrence Estuary

Coerce data into topo dataset

Name an acoustic-doppler beam.

Draw isopycnal curves on an existing temperature-salinity plot

Determine coordinate system for acoustic-doppler device

Create a palette of colours

Detrend a set of observations

Add a column to an oce object

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

Create an TDR temperature-depth recorder data file

Coerce data into sea-level dataset

More general form of as.POSIXlt

Find the type of an oceanographic data file

Format bytes as binary

Plot a time-series, obeying the timezone

Trim start/end portions of a CTD cast

Format a latitude-longitude pair

WOCE section a03

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

Coerce data into coastline dataset

Grid data using Barnes algorithm

Decimate a CTD profile

Decode table-of-contents file from a datalogger

Plot a tidal fit

Format a confidence interval in parenthetic notation

Seawater CTD profile, without trimming of extraneous data

Plot a CTD profile of various quantities

Fill a gap in an oce object

Format a longitude

Smooth an oce object

Plot a wind rose diagram

Add an item to object history

swAlphaOverBeta

Ratio of seawater thermal expansion coefficient to haline contraction coefficient

Remove spikes from a time series

Seawater conductivity

oce.write.table

Write the data portion of object to a file

Interpret a character string as a time interval

Summarize an ADV object

Interpolate with Reiniger-Ross algorithm

full name of file, including path

Read a section containing multiple CTD profiles

Trim start/end portions of a pt cast

Find the root of a function by bisection

Plot topography data

swDynamicHeight

Dynamic height of seawater profile

beamAttenuateAdp

Attenuate ADP beam signal strength

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

Make a digital filter

Smooth a section (preliminary version that may change)

Plot seawater data in a low-level fashion

Format a latitude

Convert ADV or ADP data between various coordinate systems

Return the header for an Oce data object

Decimate an oce object

Substitute NA for data outside a range

Print a debugging message

magneticDeclination

Earth magneticDeclination

Read an ADP data file

Geodesic distance on earth

oce.plot.sticks

Draw a stick-plot diagram

coastlineHalifax

Coastline data set, showing Halifax Harbour

Do ephemeris calculations for tidem

Read an ADV data file

Read a current-meter data file

Tidal constituent information

Seawater CTD section

Wrapper to give normalized spectrum

Plot a CTD section

summary.windrose

Summarize a windrose data object

Welch periodogram

Plot temperature-salinity diagram for seawater (CTD) data

Seawater spiciness

Seawater haline contraction coefficient

unabbreviateYear

Determine year from various abbreviations

ptr (pressure-temperature) dataset

Bin-average a vector y, based on x values

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

Coriolis parameter on rotating earth

Convert ADP from xyz coordinates to enu coordinates

Read an topography file

Unwrap an angle that suffers modulo-360 problems

Seawater lapse rate

Read a sea-level data file

Seawater thermal expansion coefficient

Filter a time-series, possibly recursively

sealevelHalifax

Sea-level data set, from Halifax Harbour

Bind CTD profiles together into a cross section

Correct for drift in instrument clock

Plot cm (current meter) data

Convert a time interval to a colon-separated string

Plot seawater CTD data

Squared buoyancy frequency for seawater

Adjust the time within Oce object

Summarize a CTD object

Munk's (1966) temperature profile

Read an oceanographic data file

Decode BCD to integer

Summarize a lobo data object

Plot sealevel data

summary.coastline

Summarize a coastline data object

Window an oce object by time or distance

Estimate atmospheric pressure in pt record

ctdUpdateHeader

Update a CTD header

Subset an oce object

Predict a time series from a tidal model

Read a CTD data file

Read an TDR temperature-depth recorder data file

Copy an object, but with an updated history.

Edit an oce object

Provide axis names in adjustable sizes

Summarize an ADP object

Convert ADV to enu coordinates, from any other coordinates

Seawater specific heat

Rescale values to lie in a given range

sealevelTuktoyaktuk

Sea-level data set acquited in 1975 at Tuktoyaktuk

Replace the heading for one instrument with the heading for another

summary.sealevel

Summarize a sealevel object

Seawater temperature from salinity and density

Seawater density

Seawater quasi-potential density anomaly

Solar angle as function of space and time.

Convert ADP to enu coordinates, from any other coordinates

Scan a coastline data file

summary.section

Summarize a CTD section

Seawater potential density anomaly

Seawater sound speed

Draw a stick-plot diagram

Plot pt (pressure-temperature) recorder data

Seawater density anomaly

Seawater salinity from temperature and density

Summarize a topography data object

Global topographic dataset at half-degree resolution

Plot a coastline

Topographic dataset, showing Maritime region of Canada

Show summary-style fivenum stats

Write a CTD data object as a .csv file

Show some values from a vector

Summarize a tide-model object

Do ephemeris calculations for tidem

World coastline

ADP (acoustic-doppler profiler) dataset

Convert ADP from beam coordinates to xyz coordinates

summary.history

Summarize the history of an Oce object

Seawater salinity from conductivity ratio, temperature and pressure

Seawater viscosity

Fit a tidal model to a timeseries

Create a windrose object

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

oce.axis.POSIXct

Modified version of axis.POSIXct

Read a lobo data file

Seawater potential temperature