Nimbus-1/HRIR Level 1 Brightness Temperature V001 (HRIRN1L1) at GES DISC
Entry ID: GES_DISC_HRIRN1L1_V001

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Summary
Abstract: The Nimbus-1 High Resolution Infrared Radiometer (HRIR) Level 1 Brightness Temperature Data Product (HRIRN1L1) contains infrared radiances converted to equivalent black-body temperature or "brightness" temperature values.

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-1 satellite and was operational from August 28, 1964 through September 22, 1964 when the spacecraft malfunctioned.

Measurements taken during daytime do not reveal true surface temperatures
since the radiometer operates in the 3.5 to 4.1 micron region, and reflected
solar radiation is added to emitted surface radiation. However, reflected sunlight in this spectral region does not saturate the radiometer output and usable pictures can be made.

The Nimbus I HRIR data are stored in a binary TAP format (proprietary tape emulated format).

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Geographic Coverage
 N: 80.8 S: -80.8  E: 180.0  W: -180.0

Data Set Citation
Dataset Originator/Creator: NASA Goddard Space Flight Center
Dataset Title: Nimbus-1/HRIR Level 1 Brightness Temperature
Dataset Release Date: 2013
Dataset Release Place: Greenbelt, MD, USA
Dataset Publisher: NASA Goddard Earth Science Data and Information Services Center
Version: 001
Data Presentation Form: Digital Science Data


Temporal Coverage
Start Date: 1964-08-29
Stop Date: 1964-09-22


Location Keywords
GEOGRAPHIC REGION > GLOBAL


Data Resolution


Science Keywords
SPECTRAL/ENGINEERING >INFRARED WAVELENGTHS >BRIGHTNESS TEMPERATURE    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Platform
NIMBUS-1    [Information]


Instrument
HRIR NIMBUS-1 >High-Resolution Infrared Radiometer on NIMBUS-1    [Information]


Project
CWIC >CEOS WGISS Integrated Catalog    [Information]
EOSDIS >Earth Observing System Data Information System    [Information]
ESIP >Earth Science Information Partners Program    [Information]


Use Constraints
Please cite the dataset originator if you use this data.


Keywords
Equivalent Blackbody Temperature


Data Set Progress
COMPLETE


Originating Center
NSSDC


Data Center
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    [Information]
Data Center URL: http://disc.gsfc.nasa.gov/

Data Center Personnel
Name: GES DISC HELP DESK SUPPORT GROUP
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA



Distribution
Distribution_Media: Online (FTP)
Distribution_Format: 36 bit IBM binary format
Fees: No Fee


Personnel
JAMES EDWARD JOHNSON
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
Phone: 301-614-5121
Email: James.Johnson at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Code 610.2
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA



Creation and Review Dates
DIF Creation Date: 2013-01-15
Last DIF Revision Date: 2013-01-16

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