THIRN7IM_001

THIR/Nimbus-7 Images of Daytime and Nighttime Brightness Temperature on 70 mm Film V001 (THIRN7IM) at GES DISC

Version 001 eng
  • Abstract
    THIRN7IM is the Nimbus-7 Temperature-Humidity Infrared Radiometer (THIR) data product consisting of daily montages of brightness temperatures measured at 6.7 and 11.5 microns on 70 mm photofacsimile film strips. Daytime and nighttime orbital swaths are displayed in strips, each corresponding to a distance approximately from pole to pole and a width from horizon to horizon. The ground resolution of 22.6 km for 6.7 microns and 8.2 km for 11.5 microns at nadir decreases as the horizontal distance from the subsatellite track increases. Each film strip is gridded with geographic coordinates and is identified by orbit number, time, and an indication of whether it is daytime (D) or nighttime (N). The images are saved as JPEG 2000 digital files. About 1 week of images are archived into a TAR file. Additional information can be found in section 9 of "The Nimbus 7 User's Guide."The THIR instrument was designed to detect emitted thermal radiation in both the 10.5 to 12.5 micron region (IR window) and the 6.5 to 7.0 micron region (water vapor). The window channel measured cloudtop temperatures day and night. The other channel operated primarily at night to map the water vapor distribution in the upper troposphere and stratosphere. The THIR experiment made measurements from Oct. 30, 1978 to May 9, 1985 when the instrument was turned off to conserve power.This product was previously available from the NSSDC as two products with the identifiers ESAD-00174 and ESAD-00239 (old ID 78-098A-10A and 78-098A-10B).
  • Purpose
    These images can be used to supplement the level-1 radiance data files from the THIRN7L1CLDT data product.
  • Version Description
    Not provided

Data Identification Fields:

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    Data Dates
    Creation
    Last Revision
    Processing Level

    1

    Quality
    The data should be used with care and one should first read the Nimbus-7 User?s Guide. Users should cite this data product in their research.
    Collection Progress

    Complete

Related URLs
    Science Keywords
    • EARTH SCIENCE
    • SPECTRAL/ENGINEERING
    • INFRARED WAVELENGTHS
    • BRIGHTNESS TEMPERATURE
Other Descriptive Keywords
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Ancillary Keywords
  • CLOUD COVER
ISO Topic Categories
  • CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
Additional Attributes
  • Data Granularity
    STRING
    The temporal coverage of individual data granules.
    Resolution Range Begin Range End Unit of Measure Accuracy

    gov.nasa.gsfc.disc

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Acquisition Information Fields:

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Platforms
  • Earth Observation Satellites
    Nimbus-7
    Instruments
    • THIR
Projects
Project Short Name Campaigns Project Dates
Nimbus 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

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.

    https://disc.gsfc.nasa.gov/
    • Home Page

Data Contacts

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  • JAMES
    Metadata Author
    JAMES JOHNSON

    NASA Goddard Space Flight Center
    Code 610.2
    Greenbelt, MD 20771

  • 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:

Toggle Collection Citations Fields
    Collection Citations
    • THIR/Nimbus-7 Images of Daytime and Nighttime Brightness Temperature on 70 mm Film V001
      001

      Created by:

      Published by: Goddard Earth Sciences Data and Information Services Center (GES DISC)

      Released:

Metadata Dates
Creation
Last Revision
Directory Names
USA/NASA