gov.noaa.nodc:0309578 eng utf8 dataset NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NOAA Contact Information Information for contacts at NCEI. information custodian 2026-06-04T13:21:49Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) HYDROSTATIC PRESSURE, WATER TEMPERATURE, and others collected from Electro-Magnetic Autonomous Profiling Explorer floats in Cape Basin and South Atlantic Ocean from 2023-03-08 to 2024-05-27 (NCEI Accession 0309578) 2025-12-05 publication 2025-11-17 creation International DOI Foundation (IDF) 10.25921/bzwy-c635 NOAA National Centers for Environmental Information gov.noaa.nodc:0309578 NCEI Archive Management System 0309578 NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information publisher Lindsay Grose University of Rhode Island, Graduate School of Oceanography (GSO) lindsay.grose@uri.edu resourceProvider University of Rhode Island, Graduate School of Oceanography (GSO) resourceProvider Kathleen Donohue University of Rhode Island, Graduate School of Oceanography (GSO) kdonohue@uri.edu principalInvestigator Donohue, Kathleen University of Rhode Island, Graduate School of Oceanography author Grose, Lindsay University of Rhode Island, Graduate School of Oceanography author University of Rhode Island, Graduate School of Oceanography (GSO) contributor tableDigital Nine Electro-Magnetic Autonomous Profiling Explorer (EM-APEX) floats were deployed in the Cape Basin in March 2023. They sampled through November 2023. 1 EM-APEX float was deployed in March 2024 and sampled through May 2024. Data are in NetCDF. Time is in seconds since January 1, 1970, 00:00:00 UTC (unixtime). This dataset is available to the public for a wide variety of uses including scientific research and analysis. Funding Agency: Directorate for Geosciences completed historicalArchive NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact HTTPS NCEI Contact Information Information for contacts at NCEI. information pointOfContact asNeeded https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:0309578 Preview graphic PNG 0309578 NCEI ACCESSION NUMBER 2025-11-13 publication HYDROSTATIC PRESSURE LATITUDE LONGITUDE SALINITY WATER TEMPERATURE theme NODC DATA TYPES THESAURUS profiling float instrument NODC INSTRUMENT TYPES THESAURUS in situ physical profile theme NODC OBSERVATION TYPES THESAURUS PROFILING FLOAT platform NODC PLATFORM NAMES THESAURUS University of Rhode Island, Graduate School of Oceanography dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS University of Rhode Island, Graduate School of Oceanography dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS Indian Ocean South Atlantic Ocean place NODC SEA AREA NAMES THESAURUS oceanography theme WMO_CategoryCode 2012-09-15 publication URI/GSO > Graduate School of Oceanography, University of Rhode Island dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page 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 information custodian EARTH SCIENCE > OCEANS > OCEAN PRESSURE > WATER PRESSURE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY theme Global Change Master Directory (GCMD) Science Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page 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 information custodian Time theme Provider Keywords Electro-Magnetic Autonomous Profiling Explorer Floats Seabird41-CP Conductivity, Temperature, Depth (CTD) instrument Provider Instruments OCEAN PLATFORMS platform Global Change Master Directory (GCMD) Platform Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page 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 information custodian Electro-Magnetic Autonomous Profiling Explorer (EM-APEX) Floats platform Provider Platform Names OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN OCEAN > INDIAN OCEAN place Global Change Master Directory (GCMD) Location Keywords 2026 revision 24 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) Greenbelt MD https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords HTTPS GCMD Keyword Forum Page 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 information custodian Cape Basin place Provider Place Names BL6433 Send2NCEI Submission Package ID accessLevel: public otherRestrictions Cite as: Donohue, Kathleen; Grose, Lindsay (2025). HYDROSTATIC PRESSURE, WATER TEMPERATURE, and others collected from Electro-Magnetic Autonomous Profiling Explorer floats in Cape Basin and South Atlantic Ocean from 2023-03-08 to 2024-05-27 (NCEI Accession 0309578). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/bzwy-c635. Accessed [date]. Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives. otherRestrictions Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose. license This dataset has been dedicated to the public domain under the Creative Commons CC0 1.0 Universal (CC0 1.0) Public Domain Dedication. SPDX License: Creative Commons Zero v1.0 Universal (CC0-1.0) eng; USA utf8 environment oceans 8 32 -42 -31 2023-03-08 2024-05-27 NOAA National Centers for Environmental Information +1-301-713-3277 ncei.info@noaa.gov pointOfContact In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media. Contact NCEI for other distribution options and instructions. Originator data format 59.728 https://doi.org/10.25921/bzwy-c635 HTTPS Web browser NCEI Dataset Landing Page Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/oas/309578 HTTPS Web browser Descriptive Information Navigate directly to the URL for a descriptive web page with download links. information https://www.ncei.noaa.gov/archive/accession/download/309578 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0238/0309578/ FTP Any FTP client FTP 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). download dataset NCEI Accession 0309578 v1.1 was published. 2025-12-05T20:45:25Z NCEI Accession 0309578 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0309578/1.1 HTTPS NCEI Accession 0309578 v1.1 published 2025-12-05T20:45:25Z download dataset Parameter or Variable: HYDROSTATIC PRESSURE (measured); Units: dbar; Observation Category: in situ; Sampling Instrument: Seabird41-CP Conductivity, Temperature, Depth (CTD); Sampling and Analyzing Method: Gridded to 2-dbar bins Parameter or Variable: WATER TEMPERATURE (measured); Units: degrees C; Observation Category: in situ; Sampling Instrument: Seabird41-CP Conductivity, Temperature, Depth (CTD); Sampling and Analyzing Method: Gridded to 2-dbar bins.; Data Quality Method: CTD data was removed when salinity values were more than 5 standard deviations away from the mean on a given density surface. Any profile with more than 50 bad data points was removed entirely. Parameter or Variable: SALINITY (calculated); Units: psu; Observation Category: in situ; Sampling Instrument: Seabird41-CP Conductivity, Temperature, Depth (CTD); Sampling and Analyzing Method: Gridded to 2-dbar bins.; Data Quality Method: CTD data was removed when salinity values were more than 5 standard deviations away from the mean on a given density surface. Any profile with more than 50 bad data points was removed entirely. Parameter or Variable: LATITUDE (measured); Units: degrees; Observation Category: in situ; Sampling Instrument: Electro-Magnetic Autonomous Profiling Explorer Floats; Sampling and Analyzing Method: GPS Parameter or Variable: LONGITUDE (measured); Units: degrees; Observation Category: in situ; Sampling Instrument: Electro-Magnetic Autonomous Profiling Explorer Floats; Sampling and Analyzing Method: GPS Parameter or Variable: Time (measured); Units: unixtime (seconds); Observation Category: in situ; Sampling Instrument: Electro-Magnetic Autonomous Profiling Explorer Floats; Sampling and Analyzing Method: GPS asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian profiling float profiling float PALACE and other types of profiling drifters any one of several types of free-drifting (floating) instrument packages that measure one or more water column parameters, such as temperature, salinity, etc., along with reporting the date, time, and location of the measurements taken over time. Examples include the P-ALACE or PALACE floats, drifting buoys, etc. PROFILING FLOAT unknown country