CSOP- CTD readings in the Strait of Georgia

CTD cast readings in the Strait of Georgia. This dataset is unique in that it consists of near-simultaneous CTD, oxygen and electrically-sensed chlorophyll casts at typically one hundred locations on each of twenty dates from February through October, for the years 2015 to 2023.


Hydrographic profiling for the data analyzed here was carried out using RBR Concerto CTD probes, which were slowly lowered into the water at the standard rate of 0.5 m s–1 from the surface to 150 or ∼5 m above the seafloor, whichever was shallower. Each CTD cast recorded high resolution (6 Hz) vertical profile data which were subsequently transmitted to an Ocean Networks Canada (ONC) data management system via a tablet application developed by ONC. CTD data were processed using standard procedures (Pawlowicz et al., 2020) and binned at 1 m depth intervals, therefore surface water CTD data hereafter refers to the 1 m depth. Salinities were given on the TEOS-10 Reference Composition Salinity Scale with the salinity anomaly of zero (IOC et al., 2010). Further quality control was provided by the Ocean Dynamics Laboratory, UBC (Pawlowicz et al., 2020).

Simple

Date (Publication)
2018-11-08
Date (Revision)
2022-12-31
Code
10.48689/21cf5dad-692e-42ac-98e6-e9067289814c

Cited responsible party

No information provided.
Presentation form
Digital table
Name

Citizen Science Program
Issue identification

Strait of Georgia data collections
Purpose

To provide detailed four-dimensional snapshots of pressure, temperature, salinity, density, fluorescence, dissolved oxygen, turbidity, transmissivity and chlorophyll throughout the Strait of Georgia and over the February-October time period, for use in modelling efforts .
Credit

Citizen Science staff for the areas:

Baynes Sound

Campbell River

Cowichan Bay

IrvinesLanding / Sechelt

Ladysmith

Lund

Nanaimo/ Qualicum

Powell River

Steveston

Victoria
Status
On going
Point of contact
Organisation name Individual name Electronic mail address Role

Pacific Salmon Foundation

Isobel Pearsall

pearsalli@shaw.ca

Point of contact

Government of Canada Core Subject Thesaurus

  • Oceans

  • Oceanography

Global Change Master Directory (GCMD) Science Keywords v15.9

  • Earth Science > Oceans > Ocean Chemistry

  • Earth Science > Oceans > Ocean Acoustics

  • Earth Science > Oceans > Ocean Pressure

  • Earth Science > Oceans > Ocean Temperature

  • Earth Science > Oceans > Salinity/Density

  • Earth Science > Oceans > Water Quality

DFO Areas

  • North Pacific Ocean > South Inner Coast(Johnstone Strait, Strait of Georgia, Juan de Fuca, inlets and passages)
Access constraints
Intellectual property rights
Use constraints
Intellectual property rights
Classification
Unclassified
Spatial representation type
Vector
Language

English
Character set
UTF8
Topic category
  • Biota
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Begin
2015
End
2024
Supplemental Information

SSMSP Salish Sea Marine Survival Program


castid, consists of date, station and cast

iosID, an Institute of Ocean Sciences ID (not present)

event, a sequential count at a station

date,time,epoch, date and time are UTC, and the epoch is the Unix timestamp

longitude,latitude,Easting,Northing, the continuous positions during the cast, with BC Albers projected coordinates

station, a station ID

group, the group performing the measurements

P_bars,Pressure,Pressure_abs, ocean pressure in bars and decibars, total pressure including atmosphere

Depth,Elevation,Elev_cm, converted depth(+) and elevation (-), and elevation in cms to give xy and z similar ranges

Conductivity,Temperature,Salinity,Density,Density_anomaly,sigma_t,Sound_Speed, the ctd measured and derived science variables

Oxygen_Dissolved_ml,Oxygen_Dissolved_umol,Oxysol,DO_sat_percent, the oxygen sensor values

Chl_Fluor,Fluorescence_URU_Seapoint,Chlorophyll_ONC, the Chl_Fluor is the clean result

CDOM, Turbidity,Transmissivity,

stt_x_wgs84,stt_y_wgs84, position at start of cast

distance2ref_stn, the distance between the start position and the planned station location



The Citizen Science Program series includes a collection of CTD, water samples, bottom core grab, net haul, currents and bioacoustics and data from moorings around the inner lower island and lower mainland waters.
Distribution format
Name Version

CSV

unknown
Distributor contact
Organisation name Individual name Electronic mail address Role

Pacific Salmon Foundation

 		Distributor
OnLine resource
Protocol Linkage Name

OGC:WMS-1.3.0-http-get-map

 		https://soggy2.zoology.ubc.ca/geoserver/wms

psf:ctd_do_chl_NearSurface
WWW:DOWNLOAD https://soggy2.zoology.ubc.ca/geonetwork/srv/api/records/21cf5dad-692e-42ac-98e6-e9067289814c/attachments/CTD_2015-2023_250327.xlsx

CTD_2015-2023_250327
WWW:DOWNLOAD https://soggy2.zoology.ubc.ca/geonetwork/srv/api/records/21cf5dad-692e-42ac-98e6-e9067289814c/attachments/CTD_2015-2023_250327.xlsx

CTD_2015-2023_250327.xlsx
OnLine resource
Protocol Linkage Name

DOI

 		https://doi.org/10.48689/21cf5dad-692e-42ac-98e6-e9067289814c

Digital Object Identifier (DOI)
Hierarchy level
Dataset
Description

CTD data was collected
Date / Time
2015-01-03T00:00:00
Processor
Organisation name Individual name Electronic mail address Role

Pacific Salmon Foundation

Citizen Scientists

 		Principal investigator
Description

Equipment mobilized, citizen scientists trained, downloaded data recieved, and presented the time series data on their website for free download in near real time in 2015.
Rationale

to make data available to the public
Date / Time
2015-09-02T00:00:00
Processor
Organisation name Individual name Electronic mail address Role

Ocean Networks Canada

 		Processor
Description

data downloaded from ONC, some quality control performed (primarily chlorophyll), derived parameters created, linked the navigation information, added BC Albers projection coordinates and combined the data into a single spatial CSV document in May 2016
Rationale

To make the data more accessable and easy to use/interpret
Date / Time
2015-04-02T00:00:00
Processor
Organisation name Individual name Electronic mail address Role

Pacific Salmon Foundation

Terry Curran

 		Processor

Metadata

File identifier
21cf5dad-692e-42ac-98e6-e9067289814c XML
Metadata language

eng
Character set
UTF8
Parent identifier
Citizen Science Oceanography Program

ab455d82-59c5-4d8a-9c9f-bbc9636144b5
Hierarchy level
Dataset
Date stamp
2025-03-27T21:57:55.027Z
Metadata standard name

North American Profile of ISO 19115:2003 - Geographic information - Metadata
Metadata standard version

NAP - CAN/CGSB-171.100-2009
Metadata author
Organisation name Individual name Electronic mail address Role

Pacific Salmon Foundation

Jamie Hargreaves

jamie.hargreaves5@gmail.com

Author
 
 

Overviews

overview

Spatial extent

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Keywords

Global Change Master Directory (GCMD) Science Keywords v15.9
Earth Science > Oceans > Ocean Acoustics Earth Science > Oceans > Ocean Chemistry Earth Science > Oceans > Ocean Pressure Earth Science > Oceans > Ocean Temperature Earth Science > Oceans > Salinity/Density Earth Science > Oceans > Water Quality
Government of Canada Core Subject Thesaurus
Oceanography Oceans

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Associated resources

Not available