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    Radiation Budget
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SRB Data Products

Data File (Temporal Coverage)
( Parameters available by ordering
respective data file names indicated in bold.)
Parameter Temporal Resolution
Primary Algorithms
SRB_REL3.1_LW_3HRLY SRB_REL3.1_LW_3HRLY_NC
(07/01/1983 - 12/31/2007)
Day/Night flag
(Day=1, Night=0)
3 hourly

SRB_REL3.1_LW_3HRLY SRB_REL3.1_LW_3HRLY_NC SRB_REL3.1_LW_DAILY
SRB_REL3.1_LW_DAILY_NC
SRB_REL3.1_LW_3HRLY_MONTHLY
SRB_REL3.1_LW_3HRLY_MONTHLY_NC
SRB_REL3.1_LW_MONTHLY
SRB_REL3.1_LW_MONTHLY_NC
(07/01/1983 - 12/31/2007)


A detailed description of data (and data format) contained in these files is available in the readme file associated with each data file.


Additional parameters can be calculated using data contained in these files.
Upward Clear-sky Longwave Radiative Flux at Top-of-Atmosphere (W/m2) (1) 3 hourly
(2) Daily averages
(3) Monthly averages
(4) 3 hourly/monthly

Upward Clear-sky Longwave Radiative Flux at Earth's Surface (W/m2)
Downward Clear-sky Longwave Radiative Flux at Earth's Surface (W/m2)
Upward All-sky Longwave Radiative Flux at Top-of-Atmosphere (W/m2)
Upward All-sky Longwave Radiative Flux at Earth's Surface (W/m2)
Downward All-sky Longwave Radiative Flux at Earth's Surface (W/m2)
SRB_REL3.0_CLDPROPS_3HRLY
(07/01/1983 - 12/31/2007)

These data are provided to enable users to compute fluxes using any algorithms (including the one used in our work), if they so desire.

A detailed description of data (and data format) contained in these files is available in the readme file associated with the data file.
Forty-seven Parameters:
1. GLW Skin Temperature (K)
2. GEOS Skin Temperature (K)
3. ISCCP Skin Temperature (K)
4. Precipitable Water (g/cm**2)
5. Snow/Ice Percentage (%)
6. Day/Night flag 
   (daynite; 1=Day, 0=Night)
7. Total Cloud Fraction 
8. Total Cloud Top Pressure (hPa)
9. Total Cloud Top Temperature (K)
10. Total Cloud Optical Depth 
11. Surface Pressure (hPa)
12. Total Column Ozone 
13-17.  Cloud Fraction for 5 
          cloud types 
18-22.  Cloud Visible Optical 
          Depth for 5 cloud types 
23-27.  Cloud particle size for 5 
          cloud types (droplet radius 
          for water clouds; effective
          diameter for ice clouds)
28-32.  Cloud Top Temperature for 5 
          cloud types 
33-37.  Cloud Top Pressure for 5 
          cloud types 
38-42.  Cloud Base Pressure for 5 
          cloud types 
43-47.  Cloud Water or Ice Content 
          for 5 cloud types 
3 hourly

SRB_REL3.0_SW_3HRLY SRB_REL3.0_SW_3HRLY_NC SRB_REL3.0_SW_DAILY_LOCAL
SRB_REL3.0_SW_DAILY_LOCAL_NC
SRB_REL3.0_SW_DAILY_UTC
SRB_REL3.0_SW_DAILY_UTC_NC
SRB_REL3.0_SW_MONTHLY_LOCAL
SRB_REL3.0_SW_MONTHLY_LOCAL_NC
SRB_REL3.0_SW_MONTHLY_UTC_
SRB_REL3.0_SW_MONTHLY_UTC_NC
SRB_REL3.0_SW_3HRLY_MONTHLY
SRB_REL3.0_SW_3HRLY_MONTHLY_LOCAL_NC
SRB_REL3.0_SW_3HRLY_MONTHLY_UTC_NC
(07/01/1983 - 12/31/2007)


A detailed description of data (and data format) contained in these files is available in the readme file associated with each data file.


Additional parameters can be calculated using data contained in these files.
All Sky Top of Atmosphere Downward Shortwave Flux (W/m2) (1) 3 hourly
(2) Daily averages
(3) Monthly averages
(4) 3 hourly/monthly

All Sky Top of Atmosphere Upward Shortwave Flux (W/m2)
All Sky Surface Downward Shortwave Flux (W/m2)
All Sky Surface Upward Shortwave Flux (W/m2)
Clear Sky Top of Atmosphere Upward Shortwave Flux (W/m2)
Clear Sky Surface Downward Shortwave Flux (W/m2)
Clear Sky Surface Upward Shortwave Flux (W/m2)
All Sky Global Photosynthetically Active Radiation Flux (W/m2)
Cloud Fraction (Dimensionless)
Cosine Solar Zenith Angle From Satellite (Dimensionless)
Cosine Solar Zenith Angle From Astronomy (center of 3 hour period) (Dimensionless)
Langley Parameterized Algorithms
SRB_REL3.0_LPLA_3HRLY
SRB_REL3.0_LPLA_3HRLY_NC
SRB_REL3.0_LPLA_DAILY
SRB_REL3.0_LPLA_DAILY_NC
SRB_REL3.0_LPLA_MONTHLY
SRB_REL3.0_LPLA_MONTHLY_NC
SRB_REL3.0_LPLA_3HRLY_MONTHLY
SRB_REL3.0_LPLA_3HRLY_MONTHLY_NC
(07/01/1983 - 12/31/2007)

A detailed description of data (and data format) contained in these files is available in the readme file associated with each data file.


Additional parameters can be calculated using data contained in these files.
Surface Downward Longwave Flux (W/m2) (1) 3 hourly
(2) Daily averages
(3) Monthly averages
(4) 3 hourly/monthly

Surface Net Longwave Flux (W/m2)
Surface Longwave Cloud Radiative Forcing (W/m2)
SRB_REL3.0_LPLA_MONTHLY SRB_REL3.0_LPLA_MONTHLY_NC
(07/01/1983 - 12/31/2007)


A detailed description of data (and data format) contained in these files is available in the readme file associated with each data file.
Surface Skin Temperature (K) Monthly averages

Total Column Precipitable Water (kg/m2)
Total Cloud Amount (percentage)
SRB_REL3.0_LPSA_DAILY
SRB_REL3.0_LPSA_DAILY_NC
SRB_REL3.0_LPSA_MONTHLY
SRB_REL3.0_LPSA_MONTHLY_NC
(07/01/1983 - 12/31/2007)


A detailed description of data (and data format) contained in these files is available in the readme file associated with each data file.


Additional parameters can be calculated using data contained in these files.
TOA insolation (W/m2)
(1) Daily averages
(2) Monthly Averages
Pristine-sky Surface Downward Shortwave Flux (Surface Insolation without aerosols or clouds)(W/m2)
Clear-Sky Surface Downward Shortwave Flux (Clear-Sky Surface Insolation) (W/m2)
All-Sky Surface Downward Shortwave Flux (All-Sky Surface Insolation) (W/m2)
Surface Absorbed Shortwave Flux (Surface Net SW Flux) (W/m2)
All-sky surface albedo (fraction)
Ancillary Data
Surface Topography
nested grid
1 deg grid
Surface Type (IGBP def)
nested grid
1 deg grid

Information on previous SRB Releases are available here.


NASA - National Aeronautics and Space Administration
Curator: Colleen Mikovitz
NASA Official: Paul Stackhouse
Last Updated: February 08, 2017
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