Low Rate (LRT - 1 sps) Navigation, State Parameter, and Microphysics Flight-Level Data https://data.eol.ucar.edu/dataset/383.012 Summary This dataset includes airborne measurements obtained from the Gulfstream-V High-performance Instrumented Airborne Platform for Environmental Research (NSF/NCAR HIAPER) aircraft (Tail Number N677F) during the CONvective TRansport of Active Species in the Tropics (CONTRAST) project. This dataset contains low rate navigation, state parameter, and microphysics flight-level data in netCDF format. Identifiers * Local archive identifier: 383.012 * doi:10.5065/D6TX3CK0 https://doi.org/10.5065/D6TX3CK0 Versions 1.0 1.1: Updated UHSAS corrects underestimated ambient concentrations. 1.2: This update contains corrected 2DC data (variable names ending in _LWOO). No other data has been changed. It was discovered that all particles in a single buffer got time-stamped with the data-system time tag of the end off the buffer. For concentrations above 5-10/L, or when in heavy cloud, the system writes multiple buffers per second so the time-stamp will be very close to accurate. However when a buffer spans multiple seconds, all particles were being binned to the second of the end time-stamp for the buffer. This has now been corrected so data is spread across the time-period of the buffer correctly. This version also uses exact circle fitting for measuring particle size and limits accepted particles to center-in images. Finally, the variable A1DC, which was accidentally left in the last version, has been removed. 1.3: Some processing algorithms have changed since the last release. This version contains: recovery factor study modifications for temperature (elements 1 & 2 get a separate recovery factor now) humidity / MACH / TAS algorithm updates modifications to the wind uncertainty algorithm and for 2d processing, the processing didn't change, but extract2d got a new algorithm for determining which records should be rejected and not transferred into the 2d file. Citation UCAR/NCAR - Earth Observing Laboratory. 2021. CONTRAST: Low Rate (LRT - 1 sps) Navigation, State Parameter, and Microphysics Flight-Level Data. Version 1.3. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6TX3CK0 Accessed 18 Apr 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 * CONTRAST: Convective Transport of Active Species in the Tropics https://data.eol.ucar.edu/project/CONTRAST Additional information * Spatial Type: point * Frequency: 1 second * Language: English Categories * Aircraft Platforms * NSF/NCAR GV HIAPER Instruments * 2DC - Two-Dimensional Optical Array Cloud Probe * CDP - Cloud Droplet Probe * GPS Receivers * Pyrgeometers * UHSAS - Ultra-High Sensitivity Aerosol Spectrometer * VCSEL - Vertical-Cavity Surface-Emitting Laser GCMD Science Keywords * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > DEW POINT TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > WIND DYNAMICS > HORIZONTAL WIND VELOCITY/SPEED * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > VAPOR PRESSURE * EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > PARTICLE SIZE DISTRIBUTION * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > STATIC PRESSURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > WIND DYNAMICS > TURBULENCE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > ATMOSPHERIC PRESSURE MEASUREMENTS * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > UPPER AIR TEMPERATURE > VIRTUAL TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > CLOUD DROPLET CONCENTRATION/SIZE * EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD MICROPHYSICS > CLOUD LIQUID WATER/ICE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > HUMIDITY > RELATIVE HUMIDITY * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > UPPER AIR TEMPERATURE > BOUNDARY LAYER TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > UPPER AIR TEMPERATURE > DEW POINT TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > BOUNDARY LAYER WINDS * EARTH SCIENCE > ATMOSPHERE > AEROSOLS * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR INDICATORS > HUMIDITY > ABSOLUTE HUMIDITY * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > WIND DYNAMICS > VERTICAL WIND VELOCITY/SPEED * EARTH SCIENCE > ATMOSPHERE > CLOUDS > CLOUD DROPLET DISTRIBUTION * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR PROFILES * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > U/V WIND COMPONENTS * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE > DEICED TEMPERATURE * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS > FLIGHT LEVEL WINDS Related links * companion: 383.025: NSF/NCAR GV HIAPER Low Rate (LRT - 1 sps) Navigation, State Parameter, and Microphysics Flight-Level Data - ICARTT Format https://data.eol.ucar.edu/dataset/383.025 * download: CONTRAST GV HIAPER Project Manager's Report https://www.eol.ucar.edu/sites/default/files/2023-05/CONTRAST_PM_Report_May_2023%20.pdf * info: CONTRAST Missions http://catalog.eol.ucar.edu/contrast/tools/missions * homepage: CONTRAST https://www.eol.ucar.edu/field_projects/contrast * info: CONTRAST Data Policy https://www.eol.ucar.edu/content/contrast-data-policy Temporal coverage * Begin datetime: 2014-01-11 13:58:16 * End datetime: 2014-03-01 05:05:00 Spatial coverage * Maximum (North) Latitude: 40.00 * Minimum (South) Latitude: -15.00 * Minimum (West) Longitude: 115.00 * Maximum (East) Longitude: 175.00 Primary contact information * pointOfContact: EOL Data Support https://data.eol.ucar.edu/contact/show/1 Additional contact information * processor (ProjectManager): Pavel Romashkin https://data.eol.ucar.edu/contact/show/696 * processor (Producer): Chris Webster https://data.eol.ucar.edu/contact/show/722 * processor (DataManager): Janine Aquino https://data.eol.ucar.edu/contact/show/179 Alternate metadata formats * DataCite: https://data.eol.ucar.edu/dataset/383.012?format=datacite * ISO/TC 211: https://data.eol.ucar.edu/dataset/383.012?format=isotc211