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  • HRIR/Nimbus-3 Images of Daytime and Nighttime Brightness Temperature on 70 mm Film V001 (HRIRN3IM) at GES DISC

    https://cmr.earthdata.nasa.gov/search/concepts/C1273652155-GES_DISC.xml
    Description:

    HRIRN3IM is the Nimbus-3 High-Resolution Infrared Radiometer (HRIR) data product containing scanned negatives of photofacsimile 70mm film strips. The images contain orbital daytime (0.7 to 1.3 microns) and nighttime (3.4 to 4.2 microns) brightness temperature values showing cloud cover and the Earth's surface temperature. Each orbital swath picture is gridded with geographic coordinates and covers a distance approximately from the south pole to the north pole (day) and the north pole to the south pole (night). The images are saved as JPEG 2000 digital files. About 7 days of images are archived into a TAR file. The processing techniques used to produce the data set and a full description of the data are contained in section 3.4.1 of the "Nimbus III Users' Guide." The HRIR instrument was designed to perform two major functions: first to map the Earth's cloud cover at night to complement the television coverage during the daytime portion of the orbit, and second to measure the temperature of cloud tops and terrain features. The HRIR instrument was launched on the Nimbus-3 satellite and was operational from April 22, 1969 through January 31, 1970. This product was previously available from the NSSDC with the identifier ESAD-00223 (old ID 69-037A-02B).

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: HRIRN3IM Version ID: 001 Unique ID: C1273652155-GES_DISC

  • HRIR/Nimbus-3 Level 1 Meteorological Radiation Data V001 (HRIRN3L1) at GES DISC

    https://cmr.earthdata.nasa.gov/search/concepts/C1273652190-GES_DISC.xml
    Description:

    HRIRN3L1 is the High Resolution Infrared Radiometer (HRIR) Nimbus-3 Level 1 Meteorological Radiance Data (NMRT) product and contains infrared radiances converted to equivalent black-body temperature or "brightness" temperature values. The data, originally written on IBM 360 machines, were recovered from magnetic tapes, also referred to as Nimbus Meteorological Radiation Tapes (NMRT). The data are archived in their original IBM 36-bit word proprietary format, also referred to as a binary TAP file. The HRIR instrument was designed to perform two major functions: first to map the Earth's cloud cover at night to complement the television coverage during the daytime portion of the orbit, and second to measure the temperature of cloud tops and terrain features. The HRIR flown on Nimbus-3 was modified to allow nighttime and daytime cloud cover mapping by use of dual band-pass filter which transmits 0.7 to 1.3 micron, and 3.4 to 4.2 micron radiation. The HRIR instrument was launched on the Nimbus-3 satellite and was operational from April 14, 1966 through July 22, 1969. Nighttime operation was made in the 3.4 to 4.2 micron near infrared region. Daytime operation was based on the predominance of reflected solar energy in the 0.7 to 1.3 micron region. Change-over from nighttime to daytime operation was accomplished automatically (or by ground station command), by actuating a relay in the early stages of the radiometer electronics. The system gain was reduced in the daytime mode to compensate for the higher energy levels. This product was previously available from the NSSDC with the identifier ESAD-00222 (old ID 69-037A-02C).

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: HRIRN3L1 Version ID: 001 Unique ID: C1273652190-GES_DISC

  • Kleespies' Nimbus-3 Infrared Spectrometer (SIRS A and B), April 1969 to April 1971

    https://cmr.earthdata.nasa.gov/search/concepts/C1214055424-SCIOPS.xml
    Description:

    This dataset contains radiance data from the Nimbus-3 Satellite Infrared Spectrometer (SIRS) A and B instruments. The data are available for various periods between April 1969 and April 1971.

    Links: Temporal Extent: Spatial Extent:

    SCIOPS Short Name: NCAR_DS685.0 Version ID: Not provided Unique ID: C1214055424-SCIOPS

    This collection does not contain any granules

  • MRIR/Nimbus-3 Images of Daytime Brightness Temperature on 4 x 5 inch Film Sheets V001 (MRIRN3IM) at GES DISC

    https://cmr.earthdata.nasa.gov/search/concepts/C1273652157-GES_DISC.xml
    Description:

    MRIRN3IM is the Nimbus-3 Medium Resolution Infrared Radiometer (MRIR) data product consisting of 4 x 5 inch photographic film sheets. Each film sheet contains an entire orbit (daylight portion) of brightness temperatures measured at five wavelength bands: 6.5-7.0, 10-11, 14.5-15.5, 5-30, and 0.2-4.0 micrometers. There are also associated latitude grids, time, and gray scales representing different temperatures. The images are saved as JPEG 2000 digital files. About 3 weeks of images are archived into a TAR file. The processing techniques used to produce the data set and a full description of the data set are contained in section 4 of the "Nimbus III Users' Guide." The MRIR experiment measured the intensity and distribution of electromagnetic radiation emitted by and reflected from the earth and its atmosphere in five selected wavelength intervals from 0.2 to 30 micrometers. Data for heat balance of the earth-atmosphere system were obtained, as well as measurements of water vapor distribution, surface or near-surface temperatures, and seasonal changes of stratospheric temperature distribution. The MRIR experiment obtained data from April 15 1969 until February 4, 1970. This product was previously available from the NSSDC with the identifier ESAD-00184 (old ID 69-037A-05A).

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: MRIRN3IM Version ID: 001 Unique ID: C1273652157-GES_DISC

  • MRIR/Nimbus-3 Level 1 Meteorological Radiation Data V001 (MRIRN3L1) at GES DISC

    https://cmr.earthdata.nasa.gov/search/concepts/C1273652196-GES_DISC.xml
    Description:

    MRIRN3L1 is the Nimbus-3 Medium-Resolution Infrared Radiometer (MRIR) Level 1 Meteorological Radiance Data product and contain radiances expressed as equivalent blackbody temperature or "brightness" temperature, along with geolocation, time and other housekeeping information. The data, originally written on IBM 360 machines, were recovered from magnetic tapes, also referred to as Nimbus Meteorological Radiation Tapes (NMRT). The data are archived in their original IBM 36-bit word proprietary format, also referred to as a binary TAP file. The MRIR instrument was designed to measure infrared electromagnetic radiation emitted and reflected from the Earth and its atmosphere at 5 wavelengths. The five wavelengths regions are as follows: (1) 6.5 to 7.0 microns - This channel covers the 6.7 micron water vapor absorption band. Its purpose is to provide information on water vapor distribution in the upper troposphere and, in conjunction with the other channels to provide data concerning relative humidities at these altitudes. (2) 10 to 11 microns - Operating in an atmospheric "window," this channel measures surface or near-surface temperatures over clear portions of the atmosphere. It also provides cloud cover and cloud height information (day and night). (3) 14.5 to 15.5 microns - This channel, centered about the strong absorption band of C02 at 15 microns, measures radiation which emanates primarily from the stratosphere. The information gained here is of primary importance to in following seasonal stratospheric temperature changes. (4) 20 to 23 microns - This channel yields data from the spectral region containing the broad rotational absorption bands of water vapor. It will provide information similar to that of the 6.5 to 7.0 micron channel except that the flux will largely be radiated from lower in the atmosphere. (5) 0.2 to 4.0 microns - This channel covers more than 99% of the solar spectrum and yields information on the intensity of the reflected solar energy from the earth and its atmosphere. These data were previously archived at NASA NSSDC as product NMRT-MRIR under the entry ID ESAD-00183 (originally 69-037A-05B).

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    GES_DISC Short Name: MRIRN3L1 Version ID: 001 Unique ID: C1273652196-GES_DISC

  • Nimbus High Resolution Infrared Radiometer Digital Swath Data L1, HDF5 V001

    https://cmr.earthdata.nasa.gov/search/concepts/C1696506410-NSIDC_ECS.xml
    Description:

    The Nimbus High Resolution Infrared Radiometer Digital Swath Data L1, HDF data set (NmHRIR1H) consists of High Resolution Infrared Radiometer (HRIR) brightness temperatures obtained by the Nimbus 1, Nimbus 2, and Nimbus 3 satellites during 1964, 1966, and 1969. A correction has been applied to minimize seemingly random alignment errors that caused clouds edges and land features to appear jagged in the original 1960s data.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    NSIDC_ECS Short Name: NmHRIR1H Version ID: 1 Unique ID: C1696506410-NSIDC_ECS

  • Nimbus High Resolution Infrared Radiometer Grayscale Swath Data L1, TIFF V001

    https://cmr.earthdata.nasa.gov/search/concepts/C1703453177-NSIDC_ECS.xml
    Description:

    This data set consists of daily, global grayscale TIFF images derived from radiative temperatures measured in the 3.4 to 4.2 µm window. These data were detected by the High Resolution Infrared Radiometer (HRIR) on board the Nimbus 1, Nimbus 2, and Nimbus 3 satellites during 1964, 1966, and 1969-1970. The Nimbus HRIR sensor was used to map the earth's nighttime cloud cover and to measure cloud top temperatures or surface temperatures. Note: This data set is not georeferenced and contains some gaps in temporal coverage because of missing data.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    NSIDC_ECS Short Name: NmHRIR1T Version ID: 1 Unique ID: C1703453177-NSIDC_ECS

  • Nimbus High Resolution Infrared Radiometer Remapped Digital Data Daily L3, GeoTIFF V001

    https://cmr.earthdata.nasa.gov/search/concepts/C1701027796-NSIDC_ECS.xml
    Description:

    This data set (NmHRIR3G) consists of daily composites constructed from Nimbus 1, Nimbus 2, and Nimbus 3 satellites High Resolution Infrared Radiometer (HRIR) data for the region between 60 N and 60 S. Measurements were obtained during 1964, 1966, and 1969. Data are available as GeoTIFFs and browse images. For the HDF5 formatted version of these data, see the <a href="http://dx.doi.org/10.5067/NIMBUS/NmHRIR3H">Nimbus High Resolution Infrared Radiometer Remapped Digital Data Daily L3, HDF5</a> data set.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -60 -180 60 180

    NSIDC_ECS Short Name: NmHRIR3G Version ID: 1 Unique ID: C1701027796-NSIDC_ECS

  • Nimbus High Resolution Infrared Radiometer Remapped Digital Data Daily L3, HDF5 V001

    https://cmr.earthdata.nasa.gov/search/concepts/C1690336970-NSIDC_ECS.xml
    Description:

    This data set (NmHRIR3H) consists of daily, global composites of High Resolution Infrared Radiometer (HRIR) data obtained by the Nimbus 1, Nimbus 2, and Nimbus 3 satellites during 1964, 1966, and 1969. Each composite is provided as a set of three HDF5-formatted files: separate North and South Polar projections in the 10 km Equal-Area Scalable Earth Grid (EASE-Grid) and an equatorial projection in a 20 km equidistant grid for the region between 60 N and 60 S. Browse images are also available.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 90 180

    NSIDC_ECS Short Name: NmHRIR3H Version ID: 1 Unique ID: C1690336970-NSIDC_ECS

  • Nimbus Ice Edge Points from Nimbus Visible Imagery L2, CSV V001

    https://cmr.earthdata.nasa.gov/search/concepts/C1000001360-NSIDC_ECS.xml
    Description:

    This data set (NmIcEdg2) estimates the location of the North and South Pole sea ice edges at various times during the mid to late 1960s, based on recovered Nimbus 1 (1964), Nimbus 2 (1966), and Nimbus 3 (1969) visible imagery.

    Links: Temporal Extent: Spatial Extent:
    Minimum Bounding Rectangle: -90 -180 -50 180

    NSIDC_ECS Short Name: NmIcEdg2 Version ID: 1 Unique ID: C1000001360-NSIDC_ECS