Short Citation:
Pacific Islands Fisheries Science Center, 2021: EOP Conductivity-Temperature-Depth (CTD) casts,

Item Identification

Title: EOP Conductivity-Temperature-Depth (CTD) casts
Short Name: EOP CTD
Status: In Work

These data contain shipboard temperature, salinity, dissolved oxygen, and chloropigments data collected in the Pacific Ocean in pelagic environments. Data are collected by an SBE system, and recorded and processed by the SEASOFT Win32 data acquisition and processing software.


CTD data obtained during shipboard surveys are used to study the physical and chemical properties of water. Besides providing information on water characteristics at specific locations and in various environments, this data is used to study the effects of physical, chemical, and biological water properties on the distribution, movement patterns, and biomass of organisms in distinct locations, by simultaneously collecting other physical and biological data such as current magnitude and direction and bioacoustic backscatter. Information on environmental effects on economically important organisms, such as tuna, can advance ecosystem based fisheries management techniques and help set standards for sustainable fishing practices.

Supplemental Information:

Authorities: None

Study Area: North Pacific, North Pacific Subtropical Frontal Zone, American Samoa, Guam, Marianas, Hawaiian archipelago

Spatial Resolution: 2 m depth bins down to a maximum of 500 m below surface, 1D, discrete casts along predetermined survey tracks

Temporal Resolution: approx a few seconds

Frequency of Collection: discrete data sets, typically for 2-3 weeks per year

Time of Collection: approx. 2.5 to 24 hours between casts

Types of Data Collected: temperature, conductivity, pressure, oxygen content, flourescence

Collection Method: SBE Seabird system, Wetlabs Wetstar

Collection Standards of the Data or Creation Standards of the Data Product: Available

Documentation: Software manuals

Validation and QC Procedures: Available

Storage Media/Format: External and internal drives, DVDS/ASCII format

Security and Integrity plans: Available

Backups: Available

Update Schedule: Per cruise, usually once per year

Distribution Methods: DVDs


Theme Keywords

Thesaurus Keyword
None CTD
None CTD casts
None dissolved oxygen
None EOP
None ESD
None fluorescence
None salinity
None temperature

Temporal Keywords

Thesaurus Keyword
None 2-3 weeks
None 2.5 to 24 hrs periods
None couple of seconds
None Discrete sampling periods
None few seconds

Spatial Keywords

Thesaurus Keyword
None American Samoa
None Guam
None Hawaii
None Hawaiian Archipelago
None Marianas
None mesoscale oceanographic features
None North Pacific
None North Pacific Subtropical Frontal Zone

Physical Location

Organization: Pacific Islands Fisheries Science Center
City: Honolulu
State/Province: HI
Country: USA

Data Set Information

Data Set Scope Code: Data Set
Data Set Type: Binary
Data Presentation Form: Table (digital)
Data Set Credit: Michael P Seki, Réka Domokos, Phoebe Woodworth-Jefcoats, Evan Howell, Donald Kobayashi

Support Roles

Data Steward

CC ID: 29991
Date Effective From: 2008-03-01
Date Effective To:
Contact (Person): Howell, Evan A
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
Email Address:
Contact Instructions:



CC ID: 265000
Date Effective From: 2015-12-15
Date Effective To:
Contact (Organization): Pacific Islands Fisheries Science Center (PIFSC)
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
Phone: 808-725-5300
Business Hours: 8:00 a.m. - 4:30 p.m.

Metadata Contact

CC ID: 265002
Date Effective From: 2015-12-16
Date Effective To:
Contact (Person): Domokos, Reka
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
Email Address:
Phone: (808)725-5368
Business Hours: 8:00 a.m. - 4:30 p.m. M-F

Point of Contact

CC ID: 29990
Date Effective From: 2008-03-01
Date Effective To:
Contact (Person): Howell, Evan A
Address: 1845 Wasp Blvd.
Honolulu, HI 96818
Email Address:


Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 29992
W° Bound: -158
E° Bound: -155
N° Bound: 36
S° Bound: 18

North Pacific, Hawaiian Islands

Extent Group 1 / Geographic Area 2

CC ID: 264999
W° Bound: 180
E° Bound: -150
N° Bound: 30
S° Bound: 15

Hawaiian archipelago

Extent Group 1 / Time Frame 1

CC ID: 29993
Time Frame Type: Continuing
Start: 1996-05

Access Information

Security Class: Unclassified
Data Access Policy:


Data Access Procedure:


Data Access Constraints:


Data Use Constraints:


Metadata Access Constraints:


Metadata Use Constraints:


Distribution Information

Distribution 1

CC ID: 265001
Download URL:
File Name: 100295.1.1.tar.gz

Temperature, salinity, nutrients, oxygen and other data profiles from CTD and bottle casts from NOAA/NMFS cruises of the R/V Townsend Cromwell in the central north Pacific, 1997-2002 (NODC Accession 0100295)

File Date/Time: 2012-05-05 00:00:00
File Type: Compressed Archive
File Size: 31.444 MB
Compression: TAR

Distribution 2

CC ID: 380149
Download URL:

Landing page for data

Data Quality

Quality Control Procedures Employed:

Sensors undergo annual calibration

Data Management

Have Resources for Management of these Data Been Identified?: Yes
Approximate Percentage of Budget for these Data Devoted to Data Management: 15
Do these Data Comply with the Data Access Directive?: Yes
Is Access to the Data Limited Based on an Approved Waiver?: No
Approximate Delay Between Data Collection and Dissemination: 1 year
Actual or Planned Long-Term Data Archive Location: NCEI-MD
Approximate Delay Between Data Collection and Archiving: 1 year
How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive?:

Data is archived at NCEI under Accession numbers:



Lineage Statement:

Not Applicable

Catalog Details

Catalog Item ID: 7602
Metadata Record Created By: Reka Domokos
Metadata Record Created: 2008-05-29 16:16+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2019-06-04 13:14+0000
Metadata Record Published: 2016-09-07
Owner Org: PIFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Next Review Date: 2017-09-08