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NOAA Climate Data Record (CDR) of Monthly Outgoing Longwave Radiation (OLR), Version 2.2-1 | Dataset Overview | National Oceanographic Data Center (NODC)

NOAA Climate Data Record (CDR) of Monthly Outgoing Longwave Radiation (OLR), Version 2.2-1

Outgoing Longwave Radiation - Monthly

browse graphicImage of Monthly Mean OLR.
This Climate Data Record (CDR) of monthly mean High Resolution Infrared Radiation Sounder (HIRS) Outgoing Longwave Radiation (OLR) flux at the top of the atmosphere in all sky conditions is on a 2.5 degree x 2.5 degree grid with global coverage from January 1979 to the present and continuing monthly. Grid dimensions are 144 x 72, with 10,368 total grids over the globe. The data set was derived using a multispectral HIRS OLR algorithm on the HIRS level 1b dataset from the TIROS-N to NOAA-19 series satellites with inter-satellite and radiance calibration adjustments employing an empirical diurnal model for the monthly mean derivation. The data file format is netCDF-4 with CF metadata, and it is accompanied by algorithm documentation, data flow diagram and source code for the NOAA CDR Program.

Cite dataset when used as a source: Hai-Tien Lee and NOAA CDR Program (2011): NOAA Climate Data Record (CDR) of Monthly Outgoing Longwave Radiation (OLR), Version 2.2-1. [indicate subset used]. NOAA National Climatic Data Center. doi:10.7289/V5222RQP [access date].

Dataset Information
Online Access
Distribution Formats
    Distributor Format not available
  • NetCDF (Version: 4)
DistributorDOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
Dataset  Point of Contact NOAA Climate Data Record Program Office
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
+1 (828) 271-4800
monthly_olr_contacts@noaa.gov
Contact Information - No POCs available for this dataset
General Documentation
Processing Documents
  • CDR Source Code
    • CDR Source Code (download)
      This source code is for reference only. The source code is provided to maintain transparency of the algorithm and processes used in creating the Climate Data Record (CDR). The source code is not intended to be portable to any computer system(s) beyond that of the original CDR producer's environment.
  • CDR Data Flow Diagram
  • Climate Algorithm Theoretical Basis Document
Associated Resources
Publisher
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
  • DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
Principal Investigator
  • Lee, Hai-Tien
    UMD/ESSIC > Earth System Science Interdisciplinary Center, University of Maryland
Collaborator
  • NOAA CDR Program
Date(s)
  • publication: 2011-08-26
Edition:Version 2.2-1
Data Presentation Form: Digital image
Dataset Progress Status On Going
Data Update Frequency: Monthly
Purpose:The purpose of the High Resolution Infrared Radiation Sounder (HIRS) Outgoing Longwave Radiation (OLR) Climate Data Record is to provide a continuous and long-term OLR data record, and to provide a climate data record for global change studies.
Use Limitations
  • For a complete description of use limiataions for this CDR, see the Algorithm Theoretical Basis Document.
Time Period:1979-01-01  to  Present
Spatial Bounding Box Coordinates:
N: 90.0
S: -90.0
E: 180.0
W: -180.0
Spatial Coverage Map:
Theme keywords
  • EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > OUTGOING LONGWAVE RADIATION
Data Center keywords
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
  • DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
Platform keywords
  • TIROS-N > Television Infrared Observation Satellite - N
  • NOAA-6 > National Oceanic & Atmospheric Administration - 6
  • NOAA-7 > National Oceanic & Atmospheric Administration - 7
  • NOAA-8 > National Oceanic & Atmospheric Administration - 8
  • NOAA-9 > National Oceanic & Atmospheric Administration - 9
  • NOAA-10 > National Oceanic & Atmospheric Administration - 10
  • NOAA-11 > National Oceanic & Atmospheric Administration - 11
  • NOAA-12 > National Oceanic & Atmospheric Administration - 12
  • NOAA-14 > National Oceanic & Atmospheric Administration - 14
  • NOAA-15 > National Oceanic & Atmospheric Administration - 15
  • NOAA-16 > National Oceanic & Atmospheric Administration - 16
  • NOAA-17 > National Oceanic & Atmospheric Administration - 17
  • NOAA-18 > National Oceanic & Atmospheric Administration - 18
  • NOAA-19 > National Oceanic & Atmospheric Administration - 19
  • MetOp-A > Meteorological Operational Polar Satellite - A
Instrument keywords
  • HIRS-2 > High Resolution Infra-red Sounder/2
  • HIRS-3 > High Resolution Infra-red Sounder/3
  • HIRS-4 > High Resolution Infra-red Sounder/4
Place keywords
  • GEOGRAPHIC REGION > GLOBAL
Project keywords
  • NOAA OneStop Project
Use Constraints
  • Cite dataset when used as a source: Hai-Tien Lee and NOAA CDR Program (2011): NOAA Climate Data Record (CDR) of Monthly Outgoing Longwave Radiation (OLR), Version 2.2-1. [indicate subset used]. NOAA National Climatic Data Center. doi:10.7289/V5222RQP [access date].
  • NCEI cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NCEI makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
Fees
  • In most cases, electronic downloads of the data are free, however fees may apply for data certifications, copies of analog materials, and data distribution on physical media.
Lineage StatementThe data were produced by the University of Maryland, and are archived at the NOAA National Climatic Data Center (NCDC).
Processor
  • UMD > University of Maryland
Processing Steps
  • For a complete description of the processing steps, see the Algorithm Theoretical Basis Document and Data Flow Diagram.
  • NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
Processing Documents
    • CDR Source Code
      • CDR Source Code (download)
        This source code is for reference only. The source code is provided to maintain transparency of the algorithm and processes used in creating the Climate Data Record (CDR). The source code is not intended to be portable to any computer system(s) beyond that of the original CDR producer's environment.
Source Datasets
  • NOAA High-resolution Infrared Radiation Sounder (HIRS) Level 1b dataset
    • OLR Regression Coefficients
      • Inter-Satellite Bias Corrections
        • Instrument Ambient Temperature Prediction Coefficients

          Last Modified: 2017-04-24

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