MRIRN3IM: Nimbus-3 Satellite Infrared Brightness Temperature Images, 1969-1970
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Description
MRIRN3IM is a Nimbus-3 Medium Resolution Infrared Radiometer data product from NASA, archived at the GES DISC. It consists of photographic film sheets digitized as JPEG 2000 files, each containing an entire orbit's daytime brightness temperature measurements across five spectral bands from 0.2 to 30 micrometers. The data were collected from April 15, 1969, to February 4, 1970, for studying Earth's heat balance, water vapor, and surface temperatures.
Use Cases
Analyze historical Earth heat balance based on five-wavelength infrared measurements.
Study seasonal stratospheric temperature changes based on the 14.5-15.5 micrometer band data.
Map water vapor distribution based on the 6.5-7.0 micrometer band measurements.
Investigate surface or near-surface temperatures based on the 10-11 micrometer band data.
Digitize and process historical orbital imagery based on the provided latitude grids and time annotations.
Strengths
Data covers five specific infrared wavelength bands (6.5-7.0, 10-11, 14.5-15.5, 5-30, and 0.2-4.0 micrometers).
Collection period is precisely defined from April 15, 1969, to February 4, —1970.
Includes associated metadata such as latitude grids, time, and temperature gray scales.
Referenced documentation is available in the 'Nimbus III Users' Guide' section 4.
Limitations
Column-level documentation is absent; field semantics must be inferred after download.
Row count is unknown, which may limit suitability assessment.
Data is stored in a mix of archival formats (GZ, BIN, ISO, TAR) requiring specific tools for extraction.
Provenance
Source
National Aeronautics and Space Administration (NASA)
Collection Method
Measured by the Nimbus-3 Medium Resolution Infrared Radiometer (MRIR) experiment.
Time Range
April 15, 1969 to February 4, 1970
Freshness
Last updated 2026-03-12 23:19:54.381785; freshness should be verified.
Geography
Global coverage from satellite orbits.
License is listed as 'other-license-specified'; terms should be reviewed before use. Data is packaged in TAR files containing about 3 weeks of images each.