UARPE3AT_004

UARS Particle Environment Monitor (PEM) Level 3AT V004 (UARPE3AT) at GES DISC

Version 004 eng
  • Abstract
    The Particle Environment Monitor (PEM) Level 3AT data product consists of daily, 65.536 second interval time-ordered, vertical profiles of electron, proton and x-ray energy deposition rates. PEM was made up of four instruments: the Atmospheric X-Ray Imaging Spectrometer (AXIS), the High Energy Particle Spectrometer (HEPS), the Medium Energy Spectrometer (MEPS), and the Vector Magnetometer (VMAG). PEM was flown on NASA's Upper Atmosphere Research Satellite (UARS) to measure the type, amount, energy, and distribution of charged particles injected into the Earth's thermosphere, mesosphere, and stratosphere. The PEM electron and proton data are processed with the version 4 algorithm, while the x-ray data remained version 3.The PEM level 3AT data consist of 18 granules per day. A data granule is defined as one PEM subtype per day. The following subtypes are available: 1. EDEP3AT_P01 - x-ray pixel 01 energy deposition 2. EDEP3AT_P02 - x-ray pixel 02 energy deposition 3. EDEP3AT_P03 - x-ray pixel 03 energy deposition 4. EDEP3AT_P04 - x-ray pixel 04 energy deposition 5. EDEP3AT_P05 - x-ray pixel 05 energy deposition 6. EDEP3AT_P06 - x-ray pixel 06 energy deposition 7. EDEP3AT_P07 - x-ray pixel 07 energy deposition 8. EDEP3AT_P08 - x-ray pixel 08 energy deposition 9. EDEP3AT_P09 - x-ray pixel 09 energy deposition 10. EDEP3AT_P10 - x-ray pixel 10 energy deposition 11. EDEP3AT_P11 - x-ray pixel 11 energy deposition 12. EDEP3AT_P12 - x-ray pixel 12 energy deposition 13. EDEP3AT_P13 - x-ray pixel 13 energy deposition 14. EDEP3AT_P14 - x-ray pixel 14 energy deposition 15. EDEP3AT_P15 - x-ray pixel 15 energy deposition 16. EDEP3AT_P16 - x-ray pixel 16 energy deposition 17. EDEP3AT_ELEC - electron energy deposition 18. EDEP3AT_PROT - proton energy deposition The x-ray pixel subtypes are grouped together in a single tar file for each day, the electron and proton are available as individual files per day. The units for energy deposition rate are in [erg/cm**3/sec]. The PEM data are on the UARS standard altitude levels (in km) given by: z(i) = 5 * i, i <= 12 z(i) = 60 + (i - 12) * 3, 13 <= i <= 32 z(i) = 120 + (i - 32) * 10, 33 <= i <= 50 The data files are available in a binary record oriented format.
  • Version Description
    Not provided

Data Identification Fields:

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    Data Dates
    Creation
    Last Revision
    Processing Level

    3

    Quality
    Collection Progress

    Complete

    Publication References
    • Publication reference title not provided
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Related URLs
    Science Keywords
    • EARTH SCIENCE
    • SUN-EARTH INTERACTIONS
    • SOLAR ENERGETIC PARTICLE PROPERTIES
    • ENERGY DEPOSITION
Other Descriptive Keywords
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Ancillary Keywords
  • ELECTRONS
  • PROTONS
  • X-RAYS
ISO Topic Categories
  • GEOSCIENTIFIC INFORMATION
  • IMAGERY/BASE MAPS/EARTH COVER
Additional Attributes
  • Data Granularity
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    The time coverage of individual data granules.
    Resolution Range Begin Range End Unit of Measure Accuracy

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Acquisition Information Fields:

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Platforms
  • Earth Observation Satellites
    UARS
    Instruments
    • PEM
Projects
Project Short Name Campaigns Project Dates
UARS No campaigns listed. No dates provided.

Temporal Information Fields:

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Spatial Information Fields:

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Location Keywords
    • GEOGRAPHIC REGION
    • GLOBAL
    • VERTICAL LOCATION
    • MESOSPHERE
    • VERTICAL LOCATION
    • STRATOSPHERE
    • VERTICAL LOCATION
    • THERMOSPHERE

Data Centers

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  • NASA/GSFC/SED/ESD/GCDC/GESDISC
    ARCHIVER
    Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA

    This data center does not have any addresses listed.

    This data center does not have any contact mechanisms listed.

Data Contacts

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  • JAMES
    Metadata Author
    JAMES JOHNSON

    NASA Goddard Space Flight Center
    Code 610.2
    Greenbelt, MD 20771

  • J.
    Investigator
    J. WINNINGHAM

    Space Science Department
    Southwest Research Institute
    P.O. Drawer 28510
    San Antonio, TX 78228-0510

  • GES DISC HELP DESK SUPPORT GROUP
    Technical Contact
    GES DISC HELP DESK SUPPORT GROUP

    Goddard Earth Sciences Data and Information Services Center
    Code 610.2
    NASA Goddard Space Flight Center
    Greenbelt, MD 20771

    • Email
    • 301-614-5224
    • 301-614-5268
  • GES DISC HELP DESK SUPPORT GROUP
    Data Center Contact
    GES DISC HELP DESK SUPPORT GROUP

    NASA/GSFC/SED/ESD/GCDC/GESDISC

    Goddard Earth Sciences Data and Information Services Center
    Code 610.2
    NASA Goddard Space Flight Center
    Greenbelt, MD 20771

    • Email
    • 301-614-5224
    • 301-614-5268

Collection Citations Fields:

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