Dataset: Cross-polarized photon yield, beam attenuation coefficient, scattering, and fluorescence data derived from optical particle sensors interfaced to a CTD deployed during McLane pump casts on the GP17-OCE R/V Roger Revelle (RR2214) cruise Dec 2022 - Jan 2023

Name: Cross-polarized photon yield, beam attenuation coefficient, scattering, and fluorescence data derived from optical particle sensors interfaced to a CTD deployed during McLane pump casts on the GP17-OCE R/V Roger Revelle (RR2214) cruise Dec 2022 - Jan 2023
Published: 2025-03-13
Keywords: GEOTRACES, in-water optical proxies, particulate inorganic carbon, particulate organic carbon, oceans

ValidatedFinal no updates expectedDOI: 10.26008/1912/bco-dmo.956099.1Version 1 (2025-03-13)Dataset Type:Cruise Results

Principal Investigator: James K.B. Bishop (University of California-Berkeley)

Scientist: Phoebe J. Lam (University of California-Santa Cruz)

Scientist: Daniel C. Ohnemus (Skidaway Institute of Oceanography)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)

Program: U.S. GEOTRACES (U.S. GEOTRACES)

Project: US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17-OCE) (GP17-OCE)

Project: Autonomous Ocean Carbon Observer Development and Calibration (OCO Development)

Abstract

This dataset was derived from optical particle sensors interfaced to a logging CTD and deployed during McLane Pump casts of the as part of the GEOTRACES GP17-OCE Expedition from the south Pacific gyre to Southern Ocean (R/V Roger Revelle RR2214). Data files are provided containing data for the 0-500 meter depth interval and also for the full water column. Files include measures of particle birefringence photon yield (units of parts per million per meter) and particle beam attenuation coefficient...

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Spatial Extent: N:-20.00 E:-146.40 S:-52.31 W:-152.00
Temporal Extent: 2022-12-04 - 2022-12-24

Data File(s)	Type	Description	Action

Supplemental File(s)	Type	Description	Action
01_GP17_MCL_CTD_Cast_Parameters_submit.csv (2.34 KB)	Comma Separated Values (.csv)	Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for file "02_GP17_MCL_CTD_Cast_Data_Values_submit.csv". Includes dates, times, latitude, longitude, etc. and cast-specific parameters used in the Optical Sensor data reduction. Also included are euphotic zone depth.	Download View Table
02_GP17_MCL_CTD_Cast_Data_Values_submit.csv (3.23 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the CTD data used in the Optical Sensor data reduction. Also included is track distance and euphotic zone depth.	Download View Table
03_GP17_MCL_CTD_Profile_Average_Parameters_Submit.csv (1.49 KB)	Comma Separated Values (.csv)	Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for files "04_GP17_MCL_CTD_Profile_Average_0500m_data.csv" and "05_GP17_MCL_CTD_Profile_Average_6000m_data.csv".	Download View Table
04_GP17_MCL_CTD_Profile_Average_0500m_data.csv (132.45 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) over all CTD casts at each GP17-OCE station. Data are averaged over 5-meter (m) intervals and profiles extend from ~5 m to 500 m. Stations 1, 3, 6, 8, 12, and 14.	Download View Table
05_GP17_MCL_CTD_Profile_Average_6000m_data.csv (346.55 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) over all CTD casts at each GP17-OCE station. Data are averaged over 10-meter (m) intervals and profiles extend from ~5 m to 6000 m. Stations 1, 3, 6, 8, 12, and 14.	Download View Table
06_GP17_MCL_CTD_Profile_ByCast_Parameters_Submit.csv (2.51 KB)	Comma Separated Values (.csv)	Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for files "07_GP17_MCL_CTD_Profile_ByCast_0500m_data.csv" and "08_GP17_MCL_CTD_Profile_ByCast_6000m_data.csv".	Download View Table
07_GP17_MCL_CTD_Profile_ByCast_0500m_data.csv (313.67 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) for specific CTD casts (up and down profiles are distinct) at each GP17-OCE station. Data are averaged over 5-meter (m) intervals and profiles extend from ~5 m to 500 m. Stations 1, 3, 6, 8, 12, and 14. Also included in the "ByCast" data files are the standard deviations and number of points averaged initially over 10 second intervals from 4 Hz CTD data.	Download View Table
08_GP17_MCL_CTD_Profile_ByCast_6000m_data.csv (681.21 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) for specific CTD casts (up and down profiles are distinct) at each GP17-OCE station. Data are averaged over 10-meter (m) intervals and profiles extend from ~5 m to near bottom (deepest bottom depth was 5000m). Stations 1, 3, 6, 8, 12, and 14. Also included in the "ByCast" data files are the standard deviations and number of points averaged initially over 10 second intervals from 4 Hz CTD data.	Download View Table
09_GP17_MCL__cpbad.csv (12.60 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. As noted in issues, there was a high number of data dropouts in transmissometer data. This file is from second pass filtering of the bad data.	Download View Table
10_GP17_MCL_processingnotes.txt (4.58 KB)	Plain Text	Supplemental file for dataset ID 956099, version 1. This file contains processing notes summarizing methods and data issues.	Download

Files

Supplemental Files

Filename: 01_GP17_MCL_CTD_Cast_Parameters_submit.csv (2.34 KB)
Type: Comma Separated Values (.csv)
Description: Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for file "02_GP17_MCL_CTD_Cast_Data_Values_submit.csv". Includes dates, times, latitude, longitude, etc. and cast-specific parameters used in the Optical Sensor data reduction. Also included are euphotic zone depth.

Download View Table

Filename: 02_GP17_MCL_CTD_Cast_Data_Values_submit.csv (3.23 KB)
Type: Comma Separated Values (.csv)
Description: Data file for dataset ID 956099, version 1. This file contains the CTD data used in the Optical Sensor data reduction. Also included is track distance and euphotic zone depth.

Download View Table

Filename: 03_GP17_MCL_CTD_Profile_Average_Parameters_Submit.csv (1.49 KB)
Type: Comma Separated Values (.csv)
Description: Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for files "04_GP17_MCL_CTD_Profile_Average_0500m_data.csv" and "05_GP17_MCL_CTD_Profile_Average_6000m_data.csv".

Download View Table

Filename: 04_GP17_MCL_CTD_Profile_Average_0500m_data.csv (132.45 KB)
Type: Comma Separated Values (.csv)
Description: Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) over all CTD casts at each GP17-OCE station. Data are averaged over 5-meter (m) intervals and profiles extend from ~5 m to 500 m. Stations 1, 3, 6, 8, 12, and 14.

Download View Table

Filename: 05_GP17_MCL_CTD_Profile_Average_6000m_data.csv (346.55 KB)
Type: Comma Separated Values (.csv)
Description: Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) over all CTD casts at each GP17-OCE station. Data are averaged over 10-meter (m) intervals and profiles extend from ~5 m to 6000 m. Stations 1, 3, 6, 8, 12, and 14.

Download View Table

Filename: 06_GP17_MCL_CTD_Profile_ByCast_Parameters_Submit.csv (2.51 KB)
Type: Comma Separated Values (.csv)
Description: Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for files "07_GP17_MCL_CTD_Profile_ByCast_0500m_data.csv" and "08_GP17_MCL_CTD_Profile_ByCast_6000m_data.csv".

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Filename: 07_GP17_MCL_CTD_Profile_ByCast_0500m_data.csv (313.67 KB)
Type: Comma Separated Values (.csv)
Description: Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) for specific CTD casts (up and down profiles are distinct) at each GP17-OCE station. Data are averaged over 5-meter (m) intervals and profiles extend from ~5 m to 500 m. Stations 1, 3, 6, 8, 12, and 14. Also included in the "ByCast" data files are the standard deviations and number of points averaged initially over 10 second intervals from 4 Hz CTD data.

Download View Table

Filename: 08_GP17_MCL_CTD_Profile_ByCast_6000m_data.csv (681.21 KB)
Type: Comma Separated Values (.csv)
Description: Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) for specific CTD casts (up and down profiles are distinct) at each GP17-OCE station. Data are averaged over 10-meter (m) intervals and profiles extend from ~5 m to near bottom (deepest bottom depth was 5000m). Stations 1, 3, 6, 8, 12, and 14. Also included in the "ByCast" data files are the standard deviations and number of points averaged initially over 10 second intervals from 4 Hz CTD data.

Download View Table

Filename: 09_GP17_MCL__cpbad.csv (12.60 KB)
Type: Comma Separated Values (.csv)
Description: Data file for dataset ID 956099, version 1. As noted in issues, there was a high number of data dropouts in transmissometer data. This file is from second pass filtering of the bad data.

Download View Table

Filename: 10_GP17_MCL_processingnotes.txt (4.58 KB)
Type: Plain Text
Description: Supplemental file for dataset ID 956099, version 1. This file contains processing notes summarizing methods and data issues.

Download

Methods and Sampling information are described by Bishop, et al. (2022) as well as in supplemental information accompanying this dataset. In this dataset, a logging CTD was deployed during McLane pump casts. Profile data had three segments: down cast, while pumps were operating, and up cast. During deep and intermediate water sampling, the battery-powered CTD stopped recording before the up cast. Data during pump operation are not included in this data submission. The CTD and sensors were lost near 55S, 145W due to extreme ship roll at GP17 Station 16. Please consult the text file: 10_processing_notes.txt.

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Related Publications

Results

Li, Y., Bishop, J. K. B., Lam, P. J., & Ohnemus, D. (2025). Analysis of Satellite and in-situ Optical Proxies for PIC and POC during GEOTRACES GP15 and GP17-OCE Transects from the Subarctic North Pacific to the Southern Ocean. https://doi.org/10.22541/essoar.172988067.75831081/v2

Methods

Bishop, J. K. B., Amaral, V. J., Lam, P. J., Wood, T. J., Lee, J.-M., Laubach, A., Barnard, A., Derr, A., & Orrico, C. (2022). Transmitted Cross-Polarized Light Detection of Particulate Inorganic Carbon Concentrations and Fluxes in the Ocean Water Column: Ships to ARGO Floats. Frontiers in Remote Sensing, 3. https://doi.org/10.3389/frsen.2022.837938

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Dataset: Cross-polarized photon yield, beam attenuation coefficient, scattering, and fluorescence data derived from optical particle sensors interfaced to a CTD deployed during McLane pump casts on the GP17-OCE R/V Roger Revelle (RR2214) cruise Dec 2022 - Jan 2023

ValidatedFinal no updates expectedDOI: 10.26008/1912/bco-dmo.956099.1Version 1 (2025-03-13)Dataset Type:Cruise Results

Principal Investigator: James K.B. Bishop (University of California-Berkeley)

Scientist: Phoebe J. Lam (University of California-Santa Cruz)

Scientist: Daniel C. Ohnemus (Skidaway Institute of Oceanography)

BCO-DMO Data Manager: Shannon Rauch (Woods Hole Oceanographic Institution)

Program: U.S. GEOTRACES (U.S. GEOTRACES)

Project: US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17-OCE) (GP17-OCE)

Project: Autonomous Ocean Carbon Observer Development and Calibration (OCO Development)

Abstract

Cite Dataset

Spatial Extent: N:-20.00 E:-146.40 S:-52.31 W:-152.00
Temporal Extent: 2022-12-04 - 2022-12-24

Data File(s)	Type	Description	Action

Supplemental File(s)	Type	Description	Action
01_GP17_MCL_CTD_Cast_Parameters_submit.csv (2.34 KB)	Comma Separated Values (.csv)	Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for file "02_GP17_MCL_CTD_Cast_Data_Values_submit.csv". Includes dates, times, latitude, longitude, etc. and cast-specific parameters used in the Optical Sensor data reduction. Also included are euphotic zone depth.	Download View Table
02_GP17_MCL_CTD_Cast_Data_Values_submit.csv (3.23 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the CTD data used in the Optical Sensor data reduction. Also included is track distance and euphotic zone depth.	Download View Table
03_GP17_MCL_CTD_Profile_Average_Parameters_Submit.csv (1.49 KB)	Comma Separated Values (.csv)	Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for files "04_GP17_MCL_CTD_Profile_Average_0500m_data.csv" and "05_GP17_MCL_CTD_Profile_Average_6000m_data.csv".	Download View Table
04_GP17_MCL_CTD_Profile_Average_0500m_data.csv (132.45 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) over all CTD casts at each GP17-OCE station. Data are averaged over 5-meter (m) intervals and profiles extend from ~5 m to 500 m. Stations 1, 3, 6, 8, 12, and 14.	Download View Table
05_GP17_MCL_CTD_Profile_Average_6000m_data.csv (346.55 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) over all CTD casts at each GP17-OCE station. Data are averaged over 10-meter (m) intervals and profiles extend from ~5 m to 6000 m. Stations 1, 3, 6, 8, 12, and 14.	Download View Table
06_GP17_MCL_CTD_Profile_ByCast_Parameters_Submit.csv (2.51 KB)	Comma Separated Values (.csv)	Metadata file for dataset ID 956099, version 1. This file contains the parameter (column) definitions for files "07_GP17_MCL_CTD_Profile_ByCast_0500m_data.csv" and "08_GP17_MCL_CTD_Profile_ByCast_6000m_data.csv".	Download View Table
07_GP17_MCL_CTD_Profile_ByCast_0500m_data.csv (313.67 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) for specific CTD casts (up and down profiles are distinct) at each GP17-OCE station. Data are averaged over 5-meter (m) intervals and profiles extend from ~5 m to 500 m. Stations 1, 3, 6, 8, 12, and 14. Also included in the "ByCast" data files are the standard deviations and number of points averaged initially over 10 second intervals from 4 Hz CTD data.	Download View Table
08_GP17_MCL_CTD_Profile_ByCast_6000m_data.csv (681.21 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. This file contains the profile data for hydrographic and optical data (mean and standard deviation) for specific CTD casts (up and down profiles are distinct) at each GP17-OCE station. Data are averaged over 10-meter (m) intervals and profiles extend from ~5 m to near bottom (deepest bottom depth was 5000m). Stations 1, 3, 6, 8, 12, and 14. Also included in the "ByCast" data files are the standard deviations and number of points averaged initially over 10 second intervals from 4 Hz CTD data.	Download View Table
09_GP17_MCL__cpbad.csv (12.60 KB)	Comma Separated Values (.csv)	Data file for dataset ID 956099, version 1. As noted in issues, there was a high number of data dropouts in transmissometer data. This file is from second pass filtering of the bad data.	Download View Table
10_GP17_MCL_processingnotes.txt (4.58 KB)	Plain Text	Supplemental file for dataset ID 956099, version 1. This file contains processing notes summarizing methods and data issues.	Download

Files

Supplemental Files

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Results

Methods