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oce (version 1.7-3)

Analysis of Oceanographic Data

Description

Supports the analysis of Oceanographic data, including 'ADCP' measurements, measurements made with 'argo' floats, 'CTD' measurements, sectional data, sea-level time series, coastline and topographic data, etc. Provides specialized functions for calculating seawater properties such as potential temperature in either the 'UNESCO' or 'TEOS-10' equation of state. Produces graphical displays that conform to the conventions of the Oceanographic literature. This package is discussed extensively by Kelley (2018) "Oceanographic Analysis with R" .

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Version

Install

install.packages('oce')

Monthly Downloads

2,416

Version

1.7-3

License

GPL (>= 2)

Maintainer

Dan Kelley

Last Published

May 13th, 2022

Functions in oce (1.7-3)

Create ODF object from the output of ODF::read_ODF().

Convert from ITS-48 to ITS-90 temperature

abbreviateTimeLabels

Abbreviate a vector of times by removing commonalities

GMTOffsetFromTz

Determine time offset from timezone

ODFNames2oceNames

Translate ODF CODE strings to Oce Variable Names

Convert from IPTS-68 to ITS-90 temperature

ad2cpHeaderValue

Decode an item from a Nortek AD2CP file header

CTD_BCD2014666_008_1_DN.ODF.gz

Sample ctd dataset in odf format

ODFListFromHeader

Create a list of ODF header metadata

Convert from ITS-90 to IPTS-68 temperature

adpEnsembleAverage

Ensemble Average an ADP Object in Time

adpFlagPastBoundary

Flag adp Data Past Water Column Boundary

Sample adv (acoustic-doppler velocimeter) dataset

Sample adp (acoustic-doppler profiler) file in RDI format

Coerce data into an ladp object

Trilinear interpolation in a 3D array

applyMagneticDeclination

Earth magnetic declination

Coerce data into a GPS dataset

Class to Store adp (ADCP) Data

Convert Argo Julian Day (juld) to time

Add a spine to a section object

Show an argument to a function, e.g. for debugging

Class to Store Argo Data

ARGO float dataset

argoNames2oceNames

Convert Argo Data Name to Oce Name

Create a Section

Sample adp (acoustic-doppler profiler) dataset

Coerce Data Into a LISST Object

Coerce Data into a Coastline Object

adpConvertRawToNumeric

Convert Raw to Numeric Values For adp Objects

Convert angles from 0:360 to -180:180

Coerce data into a CM object

Convert astronomical angle in degrees to hours, minutes and seconds

Coerce Data into a Lobo Object

Coerce Data Into a Rsk Object

beamToXyzAdpAD2CP

Convert AD2CP-style adp data From Beam to XYZ Coordinates

Coerce Data Into a Sealevel Object

Class to Store AMSR-2 Satellite Data

Class to Store adv Data

Decode BCD to integer

Create an ADP Object

Coerce Something Into an Oce Object

Coerce Data into met Object

An amsr dataset for waters near Nova Scotia

Coerce Data Into an Argo Dataset

Bin-map an ADP object

Get names of Acoustic-Doppler Beams

Grid Argo float data

Bin-average f=f(x,y)

Create an xbt object

Create a Windrose Object

coastline-class

Class to Store Coastline Data

beamUnspreadAdp

Adjust ADP Signal for Spherical Spreading

Bilinear Interpolation Within a Grid

Find the Name of the Best Coastline Object

Apply a function to vector data

Convert ADV from Beam to XYZ Coordinates

Create tidem object from fitted harmonic data

cnvName2oceName

Infer variable name, units and scale from a Seabird (.cnv) header line

Coerce data into CTD object

Calculate a rounded bound, rounded up to mantissa 1, 2, or 5

Coriolis parameter on rotating earth

composite,amsr-method

Create a composite of amsr satellite data

Apply a function to matrix data

Class to Store Bremen-formatted Data

Coerce Data into an Echosounder Object

Coerce Data into Topo Object

Curl of 2D vector field

Class to Store CTD (or general hydrographic) Data

Convert a String to a Unit

composite,list-method

Composite by Averaging Across Data

A Current Meter (cm) Object

Class to Store Current Meter Data

concatenate,oce-method

Concatenate oce objects

Format bytes as binary defunct

Change ADV or ADP coordinate systems

computableWaterProperties

Available derived water properties

Bin-count vector data

Bin-average a vector y, based on x values

Cut a Coastline Object at Specified Longitude

Concatenate oce objects

Decimate a CTD profile

d200321-001.ctd

Sample ctd dataset in .ctd format

Trim Beginning and Ending of a CTD cast

Sample ctd dataset in AML format

Inverse Geodesic Calculation

World Coastline

Detrend a set of observations

Create a composite object by averaging across good data

Convert ADP ENU to Rotated Coordinate

decodeHeaderNortek

Decode a Nortek Header

ctdFindProfiles

Find Profiles within a Tow-Yow CTD Record

Convert ADP From Beam to XYZ Coordinates

Bin-average f=f(x)

Bin-count matrix data

download.coastline

Download a coastline File

Oce Version of as.POSIXct

handleFlags,argo-method

Handle Flags in ARGO Objects

initializeFlags,adp-method

Create storage for a flag, and initialize values, for a adp object

handleFlags,adp-method

Handle Flags in adp Objects

initializeFlags,oce-method

Create storage for a flag, and initialize values, for a oce object

Download and Cache a topo File

drawDirectionField

Draw a Direction Field

d201211_0011.cnv

Sample ctd dataset in .cnv format

Calculate Matrix Gradient

A CTD profile in Halifax Harbour

julianCenturyAnomaly

Julian-Day number to Julian century

Seawater CTD Profile, Without Trimming of Extraneous Data

Echosounder Dataset

echosounder-class

Class to Store Echosounder Data

initializeFlagScheme,section-method

Establish a data-quality scheme for a section object

Create a GMT-type (CPT) colormap

Calculate color map

Interpret a character string as a time interval

Find the Ocean Bottom in an Echosounder Object

Class to Store GPS Data

Convert a time to a Julian day

Fill a gap in an oce object

handleFlags,ctd-method

Handle Flags in ctd Objects

Grid data using Barnes algorithm

concatenate,list-method

Concatenate a list of oce objects

concatenate,adp-method

Concatenate adp objects

Class to Store LOBO Data

Sample LOBO Dataset

Add Contours on a Existing map

Add Axis Labels to an Existing Map

eclipticalToEquatorial

Convert ecliptical to equatorial coordinate

Sample ctd dataset in .cnv format

Acceleration due to earth gravity

Rotate acoustic-Doppler data to a new coordinate system

mapCoordinateSystem

Draw a coordinate system

Repair a malformed ctd object

Format Geographical Position in Degrees and Minutes

handleFlags,oce-method

Handle flags in oce objects

matrixShiftLongitude

Rearrange areal matrix so Greenwich is near the centre

handleFlagsInternal

Low-level function for handling data-quality flags

integrateTrapezoid

Trapezoidal Integration

Earth magnetic declination, inclination, and intensity

Download and Cache an amsr File

Add Isopycnal Curves to TS Plot

initializeFlagScheme,oce-method

Establish a data-quality scheme for a oce object

Suggest a default flag vector for bad or suspicious data

equatorialToLocalHorizontal

Convert equatorial to local horizontal coordinate

Remove spikes from a time series

Add an Image to a Map

mapDirectionField

Add a Direction Field to an Existing Map

Download and Cache a met File

Try to associate data names with units, for use by summary()

Great-circle Segments Between Points on Earth

Draw a palette, leaving margins suitable for accompanying plot

Convert From Geographical to Geodesic Coordinates

Convert ENU to Other Coordinate

Extract The Start of an Oce Object

Smooth and Decimate, or Subsample, an Oce Object

initializeFlagScheme,ctd-method

Establish a data-quality scheme for a ctd object

Add Arrows to a Map

Add Tissot Indicatrices to a Map

initializeFlags

Create storage for a flag, and initialize values, for a oce object

Create label with unit

Draw error bars on an existing xy diagram

Get first finite value in a vector or array, or NULL if none

Add a Scalebar to a Map

Confidence interval in parenthetic notation

Plot an Image with a Color Palette

Deprecated and Defunct Elements of the oce package

Add a Polygon to a Map

Test whether object is an AD2CP type

Class to Store LISST Data

Base Class for oce Objects

Decode integer to corresponding ASCII code

Add a Band to a landsat Object

initializeFlagScheme

Establish a data-quality scheme for a oce object

Locate byte sequences in a raw vector

Version of as.raw() that clips data

handleFlags,section-method

Handle flags in Section Objects

handleFlags,vector-method

Signal erroneous application to non-oce objects

Handle flags in oce objects

oce.write.table

Write the Data Portion of Object to a File

Full name of file, including path

Class to Store G1SST Satellite-model Data

Delete Something in an oce data Slot

oce: A Package for Oceanographic Analysis.

Format a latitude-longitude pair

oceDeleteMetadata

Delete Something in an oce metadata Slot

oceColorsDensity

Create colors suitable for density fields

oceColorsFreesurface

Create colors suitable for freesurface fields

Trim a landsat Image to a Geographical Region

Smooth an Oce Object

oceColorsPalette

Create a vector of colors

Class to Store Lowered-adp Data

Class to Store ODF Data

Sample landsat Dataset

initializeFlagSchemeInternal

Establish a data-quality scheme for a oce object

Class to Store landsat Data

Convert Longitude and Latitude to X and Y

Reform longitude and latitude for use in gsw computations.

Look Within the First Element of a List for Replacement Values

Set Something in an oce data Slot

Convert Longitude and Latitude to UTM

Alter longitudes from -180:180 to 0:360 convention

Create colors suitable for phase fields

oceColorsViridis

Create colors similar to the matlab Viridis scheme

Perform lowpass digital filtering

Format a latitude

Make a digital filter

oce.axis.POSIXct

Oce Version of axis.POSIXct

Add Points to a Map

plot,gps-method

Plot a gps Object

Partial matching of strings or numbers

Wrapper to give normalized spectrum

plot,adp-method

Plot an adp Object

Create colors similar to the google turbo scheme

oceColorsTurbidity

Create colors suitable for turbidity fields

Add a Longitude and Latitude Grid to an Existing Map

metNames2oceNames

Convert met Data Name to Oce Name

Wrapper to sf::sf_project()

Lunar Angle as Function of Space and Time

Add Text to a Map

oceColorsClosure

Create color functions

plot,bremen-method

Plot a bremen Object

oceColorsChlorophyll

Create colors suitable for chlorophyll fields

Add Lines to a Map

plot,ladp-method

Plot an ladp Object

plot,landsat-method

Plot a landsat Object

plot,adv-method

Plot an adv Object

Parse a Latitude or Longitude String

Oce Variant of contour

plot,satellite-method

Plot a satellite Object

Find the Type of an Oceanographic Data File

Create two-color palette

Draw an axis, possibly with decade-style logarithmic scaling

Compute Geodesic Distance on Surface of Earth

Plot CTD data in a Low-Level Fashion

Convert X and Y to Longitude and Latitude

Draw a Stick Plot

Convolve two time series

initializeFlagsInternal

Create storage for a flag, and initialize values, for a oce object

initialize,ctd-method

Initialize storage for a ctd object

Oce Variant of plot.ts

processingLogAppend

Append an item to a processing log

Coordinate Reference System strings for some oceans

Create colors in a Gebco-like scheme

plot,sealevel-method

Plot a sealevel Object

Welch periodogram

Calculate Range, Extended a Little, as is Done for Axes

read.adv.sontek.serial

Read an ADV data file

Create colors similar to the Matlab Jet scheme

oceColorsSalinity

Create colors suitable for salinity fields

Locate Points on a Map

Read an ODV-type CTD File

read.adv.sontek.text

Read an ADV data file

Read a CTD file in ODF format

Read a LISST File

Read a landsat File Directory

Read an amsr File

Create colors suitable for CDOM fields

numberAsPOSIXct

Convert a Numeric Time to a POSIXct Time

Smooth a Matrix

Convert a Numeric Time to Hour, Minute, and Second

Print a debugging message

Set Something in an oce metadata Slot

plot,section-method

Plot a section Object

Read an AD2CP File

Predict a Tidal Signal

oceColorsVelocity

Create colors suitable for velocity fields

oceNames2whpNames

Translate Oce Data Names to WHP Data Names

Read a World Ocean Atlas NetCDF File

Read a Topo File

Rescale values to lie in a given range

Provide axis names in adjustable sizes

plot,amsr-method

Plot an amsr Object

Set Preference for Adjusted Values

read.aquadoppHR

Read Nortek Aquadopp-HR File

plot,argo-method

Plot an argo Object

plot,echosounder-method

Plot an echosounder Object

Grid a Section in Pressure Space

Plot Temperature-Salinity Diagram

read.coastline.shapefile

Read a Coastline File in Shapefile Format

Set data-quality flags within a oce object

Read a Bremen File

sealevelTuktoyaktuk

Sea-level data set acquired in 1975 at Tuktoyaktuk

Sealevel data for Halifax Harbour

Shift Longitude to Range -180 to 180

Read a General CTD File

read.adp.nortek

Read a Nortek ADP File

Smooth a Section

mapLongitudeLatitudeXY

Convert From Longitude and Latitude to X and Y

setFlags,adp-method

Set data-quality flags within a adp object

Read an ADV data file

read.adp.sontek.serial

Read a serial Sontek ADP file

plot,rsk-method

Plot a rsk Object

plot,odf-method

Plot an odf Object

showMetadataItem

Show metadata item

processingLog<-

Add an item to a processing log (in place)

Read a NOAA format for AXBTs

Plot a cm Object

Extract Something From an Argo Object

[[,bremen-method

Extract Something From a Bremen Object

Time interval as colon-separated string

Convert each of a vector of strings from SNAKE_CASE to camelCase

Read an ADP File

Plot a Model-data Comparison Diagram

Substitute NA for data outside a range

plot,tidem-method

Plot a tidem Object

Read a G1SST file

Read a Coastline File

read.coastline.openstreetmap

Read a Coastline File in Openstreetmap Format

Create colors in a red-yellow-blue color scheme

oceColorsTemperature

Create colors suitable for temperature fields

Standard Oceanographic Depths

Rename items in the data slot of an oce object (defunct)

Extract Something From a met Object

Class to Store Hydrographic Section Data

read.echosounder

Read an Echosounder File

Class to Store Rsk Data

Sample Rsk Dataset

Extract Something From an oce Object

plot,topo-method

Plot a topo Object

oceColorsVorticity

Create colors suitable for vorticity fields

Convert a POSIXt time to a sidereal time

[[<-,adp-method

Replace Parts of an ADP Object

oceRenameMetadata

Rename Something in an oce metadata Slot

Rename Something in an oce data Slot

[[<-,coastline-method

Replace Parts of a Coastline Object

[[<-,ctd-method

Replace Parts of a ctd Object

longitudeTighten

Try to Reduce Section Longitude Range

Data that define some color palettes

Add a Grid to an Existing Oce Plot

Format a longitude

plot,lobo-method

Plot a lobo object

plot,lisst-method

Plot a lisst Object

plot,windrose-method

Plot a windrose Object

Extract Something from an adp Object

standardizeLongitude

Put longitude in the range from -180 to 180

[[,g1sst-method

Extract Something From a G1SST Object

[[<-,rsk-method

Replace Parts of a Rsk Object

[[<-,sealevel-method

Replace Parts of a Sealevel Object

read.aquadoppProfiler

Read a Nortek Aquadopp-Profiler File

[[<-,met-method

Replace Parts of a met Object

[[<-,adv-method

Replace Parts of an ADV Object

Interpolate 1D Data with UNESCO or Reiniger-Ross Algorithm

Class to Store Meteorological Data

Read a Teledyne/RDI ADP File

Extract Something From a GPS Object

[[<-,section-method

Replace Parts of a Section Object

[[<-,amsr-method

Replace Parts of an amsr Object

Draw a Polar Plot

read.adv.sontek.adr

Read an ADV data file

Sample met Object

[[<-,argo-method

Replace Parts of an Argo Object

summary,cm-method

Summarize a CM Object

subset,echosounder-method

Subset an Echosounder Object

Plot a CTD Profile

Read CTD format in SSDA format

Decode table-of-contents File from a Rsk File

Read a Seabird CTD File

oceColorsOxygen

Create colors suitable for oxygen fields

subset,adv-method

Subset an ADV Object

[[<-,tidem-method

Replace Parts of a Tidem Object

summary,coastline-method

Summarize a Coastline Object

subset,lobo-method

Subset a LOBO Object

summary,sealevel-method

Summarize a Sealevel Object

Read a LOBO File

[[,landsat-method

Extract Something From a landsat Object

Read a met File

Create colors suitable for PAR fields

Edit an Oce Object

Get Something From an oce metadata Slot

Extract Something From a cm Object

Read a WOCE-exchange CTD File

Get the present time, in a stated timezone

summary,lobo-method

Summarize a LOBO Object

summary,xbt-method

Summarize an xbt Object

summary,section-method

Summarize a Section Object

subset,xbt-method

Subset an xbt Object

subset,topo-method

Subset a Topo Object

subset,amsr-method

Subset an amsr Object

summary,adv-method

Summarize an ADV object

Seawater potential density anomaly referenced to 3000db pressure

summary,windrose-method

Summarize a windrose object

[[<-,g1sst-method

Replace Parts of a G1SST Object

Read a Sealevel File

Read a Section File

Pretty lat/lon in deg, min, sec

Seawater viscosity

Seawater salinity from temperature and density

Practical salinity from electrical conductivity, temperature and pressure

Seawater Reference Salinity, in GSW formulation

[[,lisst-method

Extract Something From a LISST Object

read.adp.sontek

Read a Sontek ADP File

[[<-,topo-method

Replace Parts of a Topo Object

Read a NetCDF File

summary,met-method

Summarize a met Object

summary,amsr-method

Summarize an amsr Object

[[<-,echosounder-method

Replace Parts of an Echosounder Object

topoInterpolate

Interpolate Within a Topo Object

Seawater potential temperature

Global Topographic Dataset at Half-degree Resolution

plot,met-method

Plot a met Object

Plot an Inset Diagram

Unwrap an angle that suffers modulo-360 problems

unitFromStringRsk

Infer Rsk units from a vector of strings

summary,lisst-method

Summarize a LISST Object

[[<-,lobo-method

Replace Parts of a LOBO Object

Tidal Current Dataset

sunDeclinationRightAscension

Sun Declination and Right Ascension

Extract Something From an ladp Object

woceNames2oceNames

Translate WOCE Data Names to Oce Data Names

Class to Store Windrose Data

Solar Angle as Function of Space and Time

Calculate running linear models

subset,adp-method

Subset an ADP Object

[[<-,xbt-method

Replace Parts of an xbt Object

Filter a Time Series

Seawater potential density anomaly referenced to 4000db pressure

Read an xbt file

Seawater quasi-potential density anomaly

Read a Nortek Aquadopp File

read.ctd.woce.other

Read a WOCE-exchange EXPOCODE File

Extract Something from an adv Object

Read an Oceanographic Data File

Capitalize first letter of each of a vector of words

Seawater density anomaly

[[<-,lisst-method

Replace Parts of a LISST Object

subset,met-method

Subset a met Object

unduplicateNames

Rename duplicated character strings

Read a Sippican '.edf' format xbt file

Extract Something From a LOBO Object

Adjust the time within Oce object

Convert ADP From XYZ to ENU Coordinates

Calculate min, mean, and max values

Correct for drift in instrument clock

subset,oce-method

Subset an oce Object

Class to Store XBT Data

subset,odf-method

Subset an ODF object

xyzToEnuAdpAD2CP

Convert ADP2CP adp object From XYZ to ENU Coordinates

Rotate velocity components within an oce object

Fit a Tidal Model to a Timeseries

Convert an ADV Object to ENU Coordinates

Class to Store Sealevel Data

satellite-class

Class to Store Satellite Data

[[,coastline-method

Extract Something From a Coastline Object

plot,coastline-method

Plot a coastline Object

plot,xbt-method

Plot an xbt Object

Get Something from an oce data Slot

[[<-,ladp-method

title Replace Parts of a ladp Object

summary,ctd-method

Summarize a ctd Object

summary,echosounder-method

Summarize an Echosounder Object

summary,landsat-method

Summarize a landsat Object

Read a NOAA ocean index file

read.argo.copernicus

Read argo file in Copernicus format

oceUnits2whpUnits

Translate oce unit to WHP unit

Seawater thermal expansion coefficient

swAbsoluteSalinity

Seawater absolute salinity, in GSW formulation

Squared buoyancy frequency for seawater

[[,windrose-method

Extract Something From a Windrose Object

subset,argo-method

Subset an Argo Object

plot,ctd-method

Plot a ctd Object

processingLogItem

Create an item that can be inserted into a processing log

Extract Something From an xbt Object

Vertical coordinate

Seawater lapse rate

Seawater specific heat

Class to Store Topographic Data

[[<-,gps-method

Replace Parts of a GPS Object

summary,topo-method

Summarize A Topo Object

subset,rsk-method

Subset a Rsk Object

Read an AML CTD file

woceUnit2oceUnit

Translate WOCE units to oce units

Seawater potential density anomaly referenced to surface pressure

swSoundAbsorption

Seawater sound absorption in dB/m

Seawater sound speed

Astronomical Calculations for Tidem

Extract Something From an amsr Object

subtractBottomVelocity

Subtract Bottom Velocity from ADP

Convert time to Argo Julian Day (juld)

plot,oce-method

Plot an oce Object

Hydrographic section

Extract Something From a Topo Object

[[,tidem-method

Extract Something From a tidem Object

swDynamicHeight

Dynamic height of seawater profile

Replace the Heading for One Instrument With That of Another

Write a CTD Data Object as a CSV File

Calculate lon-lat coordinates of plot-box trace

summary,argo-method

Summarize an Argo Object

summary,satellite-method

Summarize a satellite object

summary,rsk-method

Summarize a Rsk Object

summary,bremen-method

Summarize a Bremen Object

summary,tidem-method

Summarize a Tidem Object

Seawater potential density anomaly referenced to 1000db pressure

[[<-,landsat-method

Replace Parts of a landsat Object

summary,adp-method

Summarize an ADP Object

Seawater density

Seawater potential density anomaly referenced to 2000db pressure

[[<-,windrose-method

Replace Parts of a Windrose Object

summary,odf-method

Summarize an ODF Object

Seawater potential density anomaly

Estimate Atmospheric Pressure in Rsk Object

summary,ladp-method

Summarize an ladp object

read.adv.nortek

Read an ADV data file

Extract the End of an Oce Object

[[,sealevel-method

Extract Something From a Sealevel Object

processingLogShow

Show the processing log of an oce object

Read a GPS File

Extract Something From an ODF Object

[[,echosounder-method

Extract Something from an Echosounder Object

Read an Argo Data File

Seawater spiciness

tidemConstituentNameFix

Change tidal constituent name from T-TIDE to Foreman convention

subset,cm-method

Subset a CM Object

summary,oce-method

Summarize an oce Object

Convert an ADP Object to ENU Coordinates

Create a ctd Object from an rsk Object

Read an ITP-type CTD File

Extract (x, y, z) from (x, y, grid)

Decode units, from strings

Read an ODF file

Seawater temperature from salinity and density

swThermalConductivity

Seawater thermal conductivity

Read a Rsk file

Extract Something From a ctd Object

setFlags,oce-method

Set data-quality flags within a oce object

Convert UTM to Longitude and Latitude

Nodal Modulation Calculations for Tidem

Show some values from a list, vector or matrix

Window an Oce Object by Time or Distance

Rotate acoustic-Doppler data to the enu coordinate system

Convert an ADP from XYZ to ENU Coordinates

[[<-,odf-method

Replace Parts of an ODF Object

setFlags,ctd-method

Set data-quality flags within a ctd object

sectionAddStation

Add a CTD Station to a Section

subset,coastline-method

Subset a Coastline Object

[[<-,oce-method

Replace Parts of an Oce Object

[[,section-method

Extract Something From a Section Object

subset,sealevel-method

Subset a Sealevel Object

Replace Parts of a CM Object

Get a Tidal Prediction from a WebTide Database

Extract Something From a Rsk Object

Seawater Preformed Salinity, in GSW formulation

[[<-,bremen-method

Replace Parts of a Bremen Object

swAlphaOverBeta

Ratio of seawater thermal expansion coefficient to haline contraction coefficient

summary,gps-method

Summarize a GPS Object

subset,ctd-method

Subset a ctd Object

subset,section-method

Subset a Section Object

Convert Acoustic-Doppler Data From xyz to enu Coordinates

Electrical conductivity ratio from salinity, temperature and pressure

velocityStatistics

Report Statistics of adp or adv Velocities

Seawater freezing temperature

swConservativeTemperature

Seawater conservative temperature, in GSW formulation

Tidal Constituent Information

Seawater haline contraction coefficient

Remove leading and trailing whitespace from strings

Class to Store Tidal Models

unabbreviateYear

Determine year from various abbreviations

Sample xbt dataset