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oce (version 0.1-82)

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

2,354

Version

0.1-82

License

GPL (>= 2)

Maintainer

Dan Kelley

Last Published

March 21st, 2011

Functions in oce (0.1-82)

Find the root of a function by bisection

Format a latitude-longitude pair

Plot a time-series, obeying the timezone

processing.log.summary

Summarize the processing log of an object

Sea-level data set, from Tuktoyaktuk (1975)

Show summary-style fivenum stats

summary.coastline

Summarize a coastline data object

Squared buoyancy frequency for seawater

Seawater haline contraction coefficient

Seawater salinity from temperature and density

Smooth a matrix.

Seawater density

beam.to.xyz.adp

Convert ADP from beam coordinates to xyz coordinates

Create a windrose object

Format a confidence interval in parenthetic notation

oce.axis.POSIXct

Modified version of axis.POSIXct

Determine coordinate system for acoustic-doppler device

Wrapper to give normalized spectrum

Plot a coastline

Filter a time-series, possibly recursively

Plot temperature-salinity diagram for seawater (CTD) data

Read an oceanographic data file

Summarize a CTD object

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

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

apply.magnetic.declination

Earth magnetic declination

Summarize a tide-model object

processing.log.append

Copy an object, but with an updated processing log.

beam.to.xyz.adv

Convert ADV from beam coordinates to xyz coordinates

summary.sealevel

Summarize a sealevel object

enu.to.other.adv

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

ctime.to.seconds

Interpret a character string as a time interval

Plot an image with a colour palette

Format a latitude

Find the type of an oceanographic data file

More general form of as.POSIXlt

Correct for drift in instrument clock

Replace the heading for one instrument with the heading for another

Plot seawater CTD data

Estimate atmospheric pressure in pt record

Read an ADV data file

processing.log.add

Add an item to a processing log

Sea-level data set, from Halifax Harbour

Summarize an ADP object

Seawater potential density anomaly

Draw a stick-plot diagram

Seawater thermal expansion coefficient

Seawater spiciness

Decode BCD to integer

Seawater profile used by Reiniger and Ross (1968)

Decimate an oce object

Smooth an oce object

Edit an oce object

ADP (acoustic-doppler profiler) dataset

Coerce data into sea-level dataset

coastline.world

World coastline

Coastline of St Lawrence Estuary

Decimate a CTD profile

Seawater CTD profile, without trimming of extraneous data

Add a column to a CTD file

Trim start/end portions of a CTD cast

Detrend a set of observations

enu.to.other.adp

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

Fill a gap in an oce object

Bind CTD profiles together into a cross section

Geodesic distance on earth

Convert lat/lon to x/y on earth

GMT.offset.from.tz

Determine time offset from timezone

Plot sealevel data

oce.plot.sticks

Draw a stick-plot diagram

Coerce data into coastline dataset

Seawater CTD profile

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

oce.write.table

Write the data portion of object to a file

Plot cm (current meter) data

Plot topography data

processing.log.item

Create a processing-log item

Plot pt (pressure-temperature) recorder data

Format bytes as binary

draw.isopycnals

Draw isopycnal curves on an existing temperature-salinity plot

Grid data using Barnes algorithm

Read an TDR temperature-depth recorder data file

Read a sea-level data file

Scan a coastline data file

Read an topography file

Decode integer to corresponding ASCII code

Plot a wind rose diagram

Summarize a topography data object

sw.dynamic.height

Dynamic height of seawater profile

Name an acoustic-doppler beam.

Summarize a cm (current meter) object

Make a digital filter

summary.section

Summarize a CTD section

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

Summarize an ADV object

Summarize a pt object

resizable.label

Provide axis names in adjustable sizes

Print a debugging message

Solar angle as function of space and time.

Seawater quasi-potential density anomaly

Summarize a lobo data object

Read a section containing multiple CTD profiles

Seawater density anomaly

sw.conductivity

Seawater conductivity

summary.windrose

Summarize a windrose data object

Unwrap an angle that suffers modulo-360 problems

Topographic dataset, showing Maritime region of Canada

Convert ADV to enu coordinates, from any other coordinates

Global topographic dataset at half-degree resolution

unabbreviate.year

Determine year from various abbreviations

Show some values from a vector

Seawater sound speed

Write a CTD data object as a .csv file

Remove spikes from a time series

Coriolis parameter on rotating earth

Return the header for an Oce data object

magnetic.declination

Earth magnetic declination

Plot a tidal fit

Read an ADP data file

Plot seawater data in a low-level fashion

Read a CTD data file

Subset an oce object

Seawater salinity from conductivity ratio, temperature and pressure

Seawater freezing temperature

sw.alpha.over.beta

Ratio of seawater thermal expansion coefficient to haline contraction coefficient

Seawater lapse rate

Seawater temperature from salinity and density

Seawater viscosity

Do ephemeris calculations for tidem

sw.specific.heat

Seawater specific heat

Convert ADV from xyz coordinates to enu coordinates

WOCE section a03

Acceleration due to earth gravity

Coerce data into topo dataset

Coerce data into ctd dataset

coastline.maritimes

Coastline data set, showing Maritime provinces of Canada

Decode table-of-contents file from a datalogger

Interpolate with Reiniger-Ross algorithm

Parse a latitude or longitude string

Munk's (1966) temperature profile

Predict a time series from a tidal model

Welch periodogram

ptr (pressure-temperature) dataset

seconds.to.ctime

Convert a time interval to a colon-separated string

Trim start/end portions of a pt cast

Seawater CTD section

Do ephemeris calculations for tidem

Convert ADP from xyz coordinates to enu coordinates

Seawater potential temperature

Add a column to an oce object

beam.attenuate.adp

Attenuate ADP beam signal strength

Coastline data set, showing Halifax Harbour

ctd.update.header

Update a CTD header

full name of file, including path

Format a longitude

number.as.POSIXct

Convert a numeric time to a POSIXct time

Create a palette of colours

Plot a CTD section

Read a lobo data file

Adjust the time within Oce object

Smooth a section (preliminary version that may change)

Read a current-meter data file

Plot a CTD profile of various quantities

Substitute NA for data outside a range

Convert ADP to enu coordinates, from any other coordinates

Tidal constituent information

Window an oce object by time

Fit a tidal model to a timeseries