gov.noaa.nodc:0310622 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 2026-06-03T13:25:19Z ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) VAMOS Ocean-Cloud-Atmosphere-Land Study - Regional Experiment (VOCALS-REx): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the tropical eastern Pacific, 2008-10-20 to 2008-12-01 (NCEI Accession 0310622) 2025-12-16 publication 2025-12-12 creation International DOI Foundation (IDF) 10.25921/mafn-2n04 NOAA National Centers for Environmental Information gov.noaa.nodc:0310622 NCEI Archive Management System 0310622 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 Hanna Best University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) hanna.best@noaa.gov https://cicoes.uw.edu/ HTTPS University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) website Institution web page information resourceProvider NOAA Pacific Marine Environmental Laboratory (PMEL) https://www.pmel.noaa.gov/ HTTPS NOAA Pacific Marine Environmental Laboratory (PMEL) website Institution web page information resourceProvider Derek Coffman NOAA Pacific Marine Environmental Laboratory (PMEL) derek.coffman@noaa.gov https://www.pmel.noaa.gov/ HTTPS NOAA Pacific Marine Environmental Laboratory (PMEL) website Institution web page information pointOfContact Patricia Quinn NOAA Pacific Marine Environmental Laboratory (PMEL) patricia.k.quinn@noaa.gov https://www.pmel.noaa.gov/ HTTPS NOAA Pacific Marine Environmental Laboratory (PMEL) website Institution web page information collaborator Timothy Bates University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) https://cicoes.uw.edu/ HTTPS University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) website Institution web page information principalInvestigator Quinn, Patricia K. NOAA Pacific Marine Environmental Laboratory https://www.pmel.noaa.gov/ HTTPS NOAA Pacific Marine Environmental Laboratory (PMEL) website Institution web page information author Bates, Tim University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies https://cicoes.uw.edu/ HTTPS University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) website Institution web page information author Coffman, Derek NOAA Pacific Marine Environmental Laboratory https://www.pmel.noaa.gov/ HTTPS NOAA Pacific Marine Environmental Laboratory (PMEL) website Institution web page information author University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) https://cicoes.uw.edu/ HTTPS University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies (CICOES) website Institution web page information contributor NOAA Pacific Marine Environmental Laboratory (PMEL) https://www.pmel.noaa.gov/ HTTPS NOAA Pacific Marine Environmental Laboratory (PMEL) website Institution web page information contributor tableDigital This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from NOAA Ship Ronald H. Brown, collected 20 October to 01 December 2008 during the VOCALs field campaign. The data is divided into eight csv datasets, summarized as follows: Main - Navigation, Meteorology, and Scattering; Chemistry - Aerosol species concentrations at varying particle diameters; AOD - Aerosol optical depth at varying wavelengths; DMS - Seawater Dimethyl sulfide; Radon - Radon Concentration; Size Distribution (APS) - Aerodynamic Particle Size Distribution; Size Distribution (DMPS) - Differential Mobility Particle Size Distribution; Size Distribution - Merged version of the APS and DMPS datasets; The VAMOS Ocean-Cloud-Atmosphere-Land Study - Regional Experiment (VOCALS-REx; VAMOS - Variability of the American MOnsoon Systems) is an international field experiment designed to better understand physical and chemical processes central to the climate system of the tropical eastern Pacific. VOCALs focused on assessing links between aerosols, clouds, and precipitation, and their impacts on marine stratocumulus radiative properties and couplings between the upper ocean and lower atmosphere. 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:0310622 Preview graphic PNG 0310622 NCEI ACCESSION NUMBER 2025-12-09 publication ABSORPTION - SCATTERING - ATTENUATION COEFFICIENTS AEROSOL OPTICAL THICKNESS AIR TEMPERATURE BAROMETRIC PRESSURE Dimethyl Sulfide LATITUDE LONGITUDE Ozone Particle Size Distribution Radon RELATIVE HUMIDITY SALINITY SEA SURFACE TEMPERATURE SHORTWAVE IRRADIANCE WIND DIRECTION WIND SPEED Wind speed - east-west component (U) Wind speed - north-south component (V) theme NODC DATA TYPES THESAURUS anemometer barometer carbon dioxide (CO2) gas analyzer chromatograph GPS humidity sensor nephelometer particle size analyzer radiometer temperature sensor thermosalinograph instrument NODC INSTRUMENT TYPES THESAURUS chemical in situ meteorological navigational optical physical theme NODC OBSERVATION TYPES THESAURUS NOAA Ship Ronald H. Brown platform NODC PLATFORM NAMES THESAURUS NOAA Pacific Marine Environmental Laboratory University of Washington Cooperative Institute for Climate, Ocean and Ecosystem Studies dataCentre NODC COLLECTING INSTITUTION NAMES THESAURUS NOAA Pacific Marine Environmental Laboratory dataCentre NODC SUBMITTING INSTITUTION NAMES THESAURUS Equatorial Pacific Ocean South Pacific Ocean place NODC SEA AREA NAMES THESAURUS meteorology theme WMO_CategoryCode 2012-09-15 publication DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce 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 > ATMOSPHERE > AEROSOLS > AEROSOL OPTICAL DEPTH/THICKNESS EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > NOBLE GAS > ATMOSPHERIC RADON EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > OXYGEN COMPOUNDS > ATMOSPHERIC OZONE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > SULFUR COMPOUNDS > DIMETHYL SULFIDE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > HUMIDITY > RELATIVE HUMIDITY EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > U/V WIND COMPONENTS EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND DIRECTION EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS > WIND SPEED EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > PARTICLE SIZE DISTRIBUTION EARTH SCIENCE > OCEANS > OCEAN OPTICS > ATTENUATION/TRANSMISSION EARTH SCIENCE > OCEANS > OCEAN OPTICS > IRRADIANCE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE 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 ABSORPTION - ANGSTROM EXPONENT ALTITUDE DMS SEAWATER OZONE PARTICLE NUMBER CONCENTRATION RELATIVE HUMIDITY OF SCATTERING COEFFICIENT SCATTERING - ANGSTROM EXPONENT SHIP COURSE OVER GROUND SHIP SPEED OVER GROUND SINGLE SCATTER ALBEDO SO2 TOTAL PARTICULATE MASS fRH - DEPENDENCE OF SCATTERING ON RH theme Provider Keywords ANEMOMETERS > ANEMOMETERS BAROMETERS > BAROMETERS CO2 ANALYZERS > CO2 ANALYZERS GAS CHROMATOGRAPHS > GAS CHROMATOGRAPHS GPS RECEIVERS > GPS RECEIVERS HUMIDITY SENSORS > HUMIDITY SENSORS RADIOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS THERMOSALINOGRAPHS instrument Global Change Master Directory (GCMD) Instrument 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 Condensation Particle Counter O3 analyzer absorption photometer dual-flow-loop impactor nephelometer & absorption photometer sunphotometer instrument Provider Instruments Ships 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 Ronald H. Brown (call sign: WTEC, ICES code: 33RO, 1997-) platform ICES/SeaDataNet Ship Codes R/V Ronald H Brown platform Provider Platform Names OCEAN > PACIFIC OCEAN OCEAN > PACIFIC OCEAN > SOUTH PACIFIC 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 NPEMM4 Send2NCEI Submission Package ID accessLevel: public otherRestrictions Cite as: Quinn, Patricia K.; Bates, Tim; Coffman, Derek (2025). VAMOS Ocean-Cloud-Atmosphere-Land Study - Regional Experiment (VOCALS-REx): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the tropical eastern Pacific, 2008-10-20 to 2008-12-01 (NCEI Accession 0310622). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/mafn-2n04. 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) PMEL ERDDAP Data Server 2025 publication https://data.pmel.noaa.gov/pmel/erddap/index.html HTTPS https://data.pmel.noaa.gov/pmel/erddap/index.html related dataset information NOAA Pacific Marine Environmental Laboratory publisher crossReference UCAR VOCALS - VAMOS Ocean-Cloud-Atmospheric-Land Study 2025 publication https://www.eol.ucar.edu/field_projects/vocals HTTPS https://www.eol.ucar.edu/field_projects/vocals project page information University Corporation for Atmospheric Research publisher crossReference VOCALS at the University of Washington 2025 publication https://atmos.uw.edu/~robwood/VOCALS/vocals_uw.html HTTPS https://atmos.uw.edu/~robwood/VOCALS/vocals_uw.html project page information University Corporation for Atmospheric Research publisher crossReference eng; USA utf8 environment oceans climatologyMeteorologyAtmosphere -85.9033 -70.16197 -21.53479 1.3708 2008-10-20 2008-12-01 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. CSV 473.86 https://doi.org/10.25921/mafn-2n04 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/310622 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/310622 HTTPS Web browser HTTPS Navigate directly to the URL for data access and direct download. download ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0239/0310622/ 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 0310622 v1.1 was published. 2025-12-16T02:37:12Z NCEI Accession 0310622 v1.1 publication https://www.ncei.noaa.gov/archive/accession/0310622/1.1 HTTPS NCEI Accession 0310622 v1.1 published 2025-12-16T02:37:12Z download dataset Parameter or Variable: LATITUDE (measured); Units: degrees N; Observation Category: in situ; Sampling Instrument: GPS Parameter or Variable: LONGITUDE (measured); Units: degrees E; Observation Category: in situ; Sampling Instrument: GPS Parameter or Variable: SHIP SPEED OVER GROUND (measured); Units: knots; Observation Category: in situ; Sampling Instrument: GPS Parameter or Variable: SHIP COURSE OVER GROUND (measured); Units: degree; Observation Category: in situ; Sampling Instrument: GPS Parameter or Variable: AIR TEMPERATURE (measured); Units: degrees C; Observation Category: in situ; Sampling Instrument: temperature sensor Parameter or Variable: RELATIVE HUMIDITY (measured); Units: %; Observation Category: in situ; Sampling Instrument: humidity sensor Parameter or Variable: BAROMETRIC PRESSURE (measured); Units: hPa; Observation Category: in situ; Sampling Instrument: barometer Parameter or Variable: SHORTWAVE IRRADIANCE (measured); Units: W/m2; Observation Category: in situ; Sampling Instrument: radiometer Parameter or Variable: ALTITUDE (measured); Units: m; Observation Category: in situ; Sampling Instrument: GPS Parameter or Variable: Wind speed - east-west component (U) (measured); Units: m/s; Observation Category: in situ; Sampling Instrument: anemometer Parameter or Variable: Wind speed - north-south component (V) (measured); Units: m/s; Observation Category: in situ; Sampling Instrument: anemometer Parameter or Variable: WIND SPEED (measured); Units: m/s; Observation Category: in situ; Sampling Instrument: anemometer Parameter or Variable: WIND DIRECTION (measured); Units: degree; Observation Category: in situ; Sampling Instrument: anemometer Parameter or Variable: PARTICLE NUMBER CONCENTRATION (measured); Units: cm-3; Observation Category: in situ; Sampling Instrument: Condensation Particle Counter Parameter or Variable: SEA SURFACE TEMPERATURE (measured); Units: degrees C; Observation Category: in situ; Sampling Instrument: thermosalinograph Parameter or Variable: SALINITY (measured); Units: psu; Observation Category: in situ; Sampling Instrument: thermosalinograph Parameter or Variable: OZONE (measured); Units: ppb; Observation Category: in situ; Sampling Instrument: O3 analyzer Parameter or Variable: SO2 (measured); Units: ppb; Observation Category: in situ; Sampling Instrument: SO2 gas analyzer Parameter or Variable: RELATIVE HUMIDITY OF SCATTERING COEFFICIENT (measured); Units: %; Observation Category: in situ; Sampling Instrument: humidity sensor Parameter or Variable: fRH - DEPENDENCE OF SCATTERING ON RH (measured); Units: unitless; Observation Category: in situ; Sampling Instrument: nephelometer Parameter or Variable: ABSORPTION - SCATTERING - ATTENUATION COEFFICIENTS (measured); Units: Mm-1; Observation Category: in situ; Sampling Instrument: nephelometer Parameter or Variable: ABSORPTION - SCATTERING - ATTENUATION COEFFICIENTS (measured); Units: Mm-1; Observation Category: in situ; Sampling Instrument: absorption photometer Parameter or Variable: SCATTERING - ANGSTROM EXPONENT (calculated); Units: unitless; Observation Category: in situ; Sampling Instrument: nephelometer Parameter or Variable: ABSORPTION - ANGSTROM EXPONENT (calculated); Units: unitless; Observation Category: in situ; Sampling Instrument: absorption photometer Parameter or Variable: SINGLE SCATTER ALBEDO (calculated); Units: unitless; Observation Category: in situ; Sampling Instrument: nephelometer & absorption photometer Parameter or Variable: PARTICLE SIZE DISTRIBUTION (measured); Units: um-1cm-3; Observation Category: in situ; Sampling Instrument: particle size analyzer Parameter or Variable: AEROSOL OPTICAL THICKNESS (measured); Units: unitless; Observation Category: in situ; Sampling Instrument: sunphotometer Parameter or Variable: DMS SEAWATER (measured); Units: nmol L-1; Observation Category: in situ; Sampling Instrument: chromatograph Parameter or Variable: RADON (measured); Units: mBq/m3; Observation Category: in situ; Sampling Instrument: dual-flow-loop Parameter or Variable: TOTAL PARTICULATE MASS (measured); Units: ug/m3; Observation Category: in situ; Sampling Instrument: impactor asNeeded Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness. NOAA National Centers for Environmental Information custodian anemometer anemometer measures wind speed An anemometer is an instrument that measures wind speed. Note that an aerovane (insttypes_id 175) is an anemometer which has a tail and a propeller to measure the speed and direction of the wind. barometer barometer Barometers are instruments for measuring atmospheric pressure; two types include mercury barometers and aneroid barometers. carbon dioxide (CO2) gas analyzer carbon dioxide (CO2) gas analyzer measures gaseous carbon dioxide Carbon dioxide gas analyzer has often been referred to as LI-COR, because a lot of researchers choose to use products manufactured by LI-COR incorporation for their carbon dioxide measurement. The main component of a carbon dioxide analyzer is a nondispersive infrared (NDIR) spectroscopic sensors to detect CO2 in a gaseous environment by its characteristic absorption. Carbon dioxide (CO2) gas analyzer works together with carbon dioxide (CO2) equilibrator (insttypes_id 184) to measure carbon dioxide in the water. To measure water carbon dioxide, water needs to be continuously supplied to a showerhead inside an equilibrator. As the water flows through the equilibrator chamber, dissolved carbon dioxide exchanges quickly with air in the headspace. This air is then sampled by the carbon dioxide analyzer to determine the mole fraction of CO2 in water. chromatograph chromatograph Gas, ion, liquid or other chromatograph GPS GPS Global Positioning System receiver satellite-based instrument used for geo-location, positioning and navigation humidity sensor humidity sensor HUMIDITY SENSORS are devices that receive a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it, in this case humidity or some measure of the water vapor content of air. nephelometer nephelometer device for measuring the size and concentration of particles in a liquid by an analysis of the light transmitted through or reflected by the liquid. particle size analyzer particle size analyzer Particle analyzers are used to determine the size and distribution of particles making up a material. radiometer radiometer radiometer temperature sensor temperature sensor A sensor used to measure temperature. thermosalinograph thermosalinograph automated sea surface temperature and salinity instrument, usually attached to the hull of a ship Thermosalinograph is an automated Sea Surface Temperature and Salinity measurement system making measurement on board a ship using a water intake. [https://www.aoml.noaa.gov/phod/tsg/about.php 2021-01-29] NOAA Ship Ronald H. Brown Updated information from ICES for UNITED STATES platform Ronald H. Brown Flag : UNITED STATES - US (ISO Country Code) Call Sign : WTEC Title : NOAA Ship Platform Class : Research vessel IMO : 9105786 Pennant : R 104 Commissioned Date : 1997-07-19 Current Length : 83.5 Built : 1997 Information Source : http://www.moc.noaa.gov/rb/index.html (URL) Lloyds URL : http://www.seasearcher.com/lmiu/vessels/overview.htm?vesselID=277516 *General Comments:* Name RESEARCHER II planned during build was never used.