In-situ particle size distribution, volume concentration, and other measurements collected from profiled LISST-200X sensor throughout the Bedford Basin during the Halifax Joint Learning Opportunity from 2024-09-25 to 2025-03-11 (NCEI Accession 0304370)

Description

This dataset contains time-series profiled measurements from a LISST-200X sensor (Sequoia Scientific, Inc.) collected during an ocean alkalinity enhancement (OAE) field trial conducted by Planetary Technologies in collaboration with Dalhousie University in Halifax, Nova Scotia, Canada. This dataset was collected under a Joint Learning Opportunity (JLO) funded by Carbon to Sea and COVE. The sensor was deployed to provide direct, in-situ measurements of particles and particle properties (e.g., size, concentration) to (1) address open questions related to alkaline feedstock transport and fate, as well as environmental impacts from alkalinity dosing (e.g., secondary precipitation), and (2) support the refinement and validation of models used to predict alkaline feedstock transport and dissolution kinetics. The LISST-200X was profiled at different locations and times throughout the Bedford Basin and surrounding waters from September 2024 to March 2025, both in and out of the mixing zone where alkalinity was being dosed. Profiling was performed during the approximately biweekly boat surveys conducted throughout the trial. The sensor measured particle size distribution, mean particle diameter, volume concentration, beam attenuation, and other variables. Additional information about the sensor deployment, profile locations, measurement parameters, data format, and processing can be found in the included supplemental document.

Resources

Name Format Description Link
21 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304370.html
0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.25921/v9f7-4t88
0 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/archive/accession/oas/304370
0 Navigate directly to the URL for data access and direct download. https://www.ncei.noaa.gov/archive/accession/download/304370
0 These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0235/0304370/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
14 Institution web page http://www.sequoiasci.com
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 OCADS website https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
21 Related data https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304369.html
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
21 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304370.html
0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.25921/v9f7-4t88
0 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/archive/accession/oas/304370
0 Navigate directly to the URL for data access and direct download. https://www.ncei.noaa.gov/archive/accession/download/304370
0 These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0235/0304370/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
14 Institution web page http://www.sequoiasci.com
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 OCADS website https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
21 Related data https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304369.html
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
14 Institution web page http://www.sequoiasci.com
21 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304370.html
0 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/archive/accession/oas/304370
0 Navigate directly to the URL for data access and direct download. https://www.ncei.noaa.gov/archive/accession/download/304370
0 These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0235/0304370/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 OCADS website https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
21 Related data https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304369.html
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.25921/v9f7-4t88
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
0 Institution web page https://www.dal.ca/
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
21 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304370.html
0 Navigate directly to the URL for a descriptive web page with download links. https://doi.org/10.25921/v9f7-4t88
0 Navigate directly to the URL for a descriptive web page with download links. https://www.ncei.noaa.gov/archive/accession/oas/304370
0 Navigate directly to the URL for data access and direct download. https://www.ncei.noaa.gov/archive/accession/download/304370
0 These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP). ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0235/0304370/
0 Information for contacts at NCEI. https://www.ncei.noaa.gov/contact
14 Institution web page http://www.sequoiasci.com
14 Institution web page http://www.sequoiasci.com
0 Institution web page https://www.dal.ca/
0 Institution web page https://www.dal.ca/
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 21. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
0 OCADS website https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
21 Related data https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0304369.html

Tags

  • transmission
  • carbon to sea and cove's 2024 ocean alkalinity enhancement (oae) joint learning opportunity (jlo)
  • oceanography
  • time series
  • bedford basin
  • tufts cove
  • halifax harbor
  • temperature
  • meandiam
  • beamc
  • depth
  • totconc
  • psd
  • ocean carbon and acidification data system (ocads) project

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