ORCAS Merge Products https://data.eol.ucar.edu/dataset/490.024 Summary This dataset contains merge products for the measurements collected by the NSF/NCAR GV HIAPER (Gulfstream-V High-performance Instrumented Airborne Platform for Environmental Research) aircraft (Tail Number N677F) during the ORCAS (O2/N2 Ratio and CO2 Airborne Southern Ocean) campaign. The files contain data for all flights for a variety of measurement subsets and averaging intervals. The types of data collected in the project include 1) high-rate (~ 1 Hz) in situ measurements from many instruments, 2) in situ gas-chromatography (GC) measurements on samples collected over a short (~ 30 sec) period of time but spaced by several minutes from the TOGA instrument, 3) laboratory measurements on whole air samples collected in pressurized metal canisters over short (~ 10-20 sec) periods of time by the AWAS sampler, and 4) laboratory measurements on whole air samples collected in continuously flowing glass flasks with longer (~ 30 sec) volume mixing times by the Medusa sampler. The wide range of representative sample times and the unique nature of each measurement system necessitate several different merged data products. Identifiers * Local archive identifier: 490.024 * doi:10.5065/D6SB445X https://doi.org/10.5065/D6SB445X Versions 0.1: quick-look merges 0.2: qaqc merges 1.0: Final Release Data Citation Stephens, B. 2017. ORCAS Merge Products. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6SB445X Accessed 28 Mar 2024. Additional citation styles can be generated by entering the DOI at CrossCite (https://citation.crosscite.org/). Acknowledgement In addition to the citation reference and any other acknowledgements, please acknowledge NCAR/EOL in your publications with text such as: Data provided by NCAR/EOL under the sponsorship of the National Science Foundation. https://data.eol.ucar.edu/ Related projects * ORCAS: The O2/N2 Ratio and CO2 Airborne Southern Ocean (ORCAS) Study https://data.eol.ucar.edu/project/ORCAS Additional information * Spatial Type: point * Frequency: criteria * Language: English Categories * Aircraft Platforms * NSF/NCAR GV HIAPER Instruments * 2DC - Two-Dimensional Optical Array Cloud Probe * AWAS - Advanced Whole Air Sampler * CDP - Cloud Droplet Probe * Flasks * Medusa (Multiple Enclosure Device for Unfractionated Sampling of Air) - NCAR/Scripps Airborne Flask Sampler * TOGA - Trace Organic Gas Analyzer * UHSAS - Ultra-High Sensitivity Aerosol Spectrometer GCMD Science Keywords * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > U/V WIND COMPONENTS * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > HUMIDITY > RELATIVE HUMIDITY * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > SULFUR COMPOUNDS > DIMETHYL SULFIDE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > DEW POINT TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > WATER VAPOR * EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > CLOUD CONDENSATION NUCLEI * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON MONOXIDE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > NITROGEN COMPOUNDS > NITROUS OXIDE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > WIND SPEED * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > WIND DIRECTION * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > WIND DYNAMICS > VERTICAL WIND VELOCITY/SPEED * EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > CLOUD LIQUID WATER/ICE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > HUMIDITY > HUMIDITY MIXING RATIO * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > UPPER AIR TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > FLIGHT LEVEL WINDS * EARTH SCIENCE > ATMOSPHERE > AEROSOLS > AEROSOL PARTICLE PROPERTIES * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE * EARTH SCIENCE > ATMOSPHERE > AEROSOLS > CLOUD CONDENSATION NUCLEI * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > UPPER AIR TEMPERATURE > DEW POINT TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > METHANE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > STATIC PRESSURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > HUMIDITY > ABSOLUTE HUMIDITY * EARTH SCIENCE > ATMOSPHERE > ALTITUDE > PLANETARY BOUNDARY LAYER HEIGHT * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > OXYGEN COMPOUNDS > MOLECULAR OXYGEN Documentation * ORCAS_Data_Fair_Use_20170306.pdf [277 KiB] https://data.eol.ucar.edu/file/download/52D25E3381BF9/ORCAS_Data_Fair_Use_20170306.pdf * ORCAS_merge_product_readme_20170316.pdf [113 KiB] https://data.eol.ucar.edu/file/download/52D25E3382D6A/ORCAS_merge_product_readme_20170316.pdf Restrictions * EULA: ORCAS_Data_Fair_Use.html [4 KiB] https://data.eol.ucar.edu/file/download/52D25E6B06877/ORCAS_Data_Fair_Use.html Related links * info: ORCAS Data Policy https://www.eol.ucar.edu/content/orcas-data-policy * homepage: ORCAS Project Homepage https://www.eol.ucar.edu/field_projects/orcas * info: ORCAS Missions http://catalog.eol.ucar.edu/orcas/tools/missions Temporal coverage * Begin datetime: 2016-01-05 00:00:00 * End datetime: 2016-03-01 23:59:59 Spatial coverage * Maximum (North) Latitude: -30.00 * Minimum (South) Latitude: -80.00 * Minimum (West) Longitude: -105.00 * Maximum (East) Longitude: -30.00 Primary contact information * pointOfContact: EOL Data Support https://data.eol.ucar.edu/contact/show/1 Additional contact information * author: Britton B. Stephens https://data.eol.ucar.edu/contact/show/971 * principalInvestigator (Producer): Britton B. Stephens https://data.eol.ucar.edu/contact/show/971 Alternate metadata formats * DataCite: https://data.eol.ucar.edu/dataset/490.024?format=datacite * ISO/TC 211: https://data.eol.ucar.edu/dataset/490.024?format=isotc211