Data Set ID: 
NmTHIR115-1T

Nimbus Temperature-Humidity Infrared Radiometer 11.5 µm Grayscale Swath Data L1, TIFF, Version 1

This data set consists of daily, global grayscale TIFF images derived from radiative temperatures measured in the 11.5 µm window (10.5 µm - 12.5 µm). These data were detected by the Temperature-Humidity Infrared Radiometer (THIR) on board the Nimbus 4, Nimbus 5, and Nimbus 6 satellites, respectively, during 1970-1971, 1973-1975 and 1975. The Nimbus satellites used the THIR 11.5 µm window to measure cloud top or surface temperatures. Note: This data set is not georeferenced and contains some gaps in temporal coverage because of missing data.

This is the most recent version of these data.

Version Summary: 

Initial data release

STANDARD Level of Service

Data: Data integrity and usability verified

Documentation: Key metadata and user guide available

User Support: Assistance with data access and usage; guidance on use of data in tools

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Parameter(s):
  • INFRARED WAVELENGTHS > INFRARED IMAGERY
Data Format(s):
  • TIFF
Spatial Coverage:
N: 90, 
S: -90, 
E: 180, 
W: -180
Platform(s):Nimbus-4, Nimbus-5, Nimbus-6
Spatial Resolution:
  • 5 Km x 5 Km
Sensor(s):THIR
Temporal Coverage:
  • 8 April 1970 to 8 April 1971
  • 1 January 1973 to 17 March 1975
  • 13 June 1975 to 11 November 1975
Version(s):V1
Temporal Resolution40 minuteMetadata XML:View Metadata Record
Data Contributor(s):Gallaher, D. and G. Campbell.

Geographic Coverage

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As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Gallaher, D. and G. Campbell. 2020. Nimbus Temperature-Humidity Infrared Radiometer 11.5 µm Grayscale Swath Data L1, TIFF, Version 1. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/CHQTHBBT42QL. [Date Accessed].

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No technical references available for this data set.

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