The 2001 program is a radiative transfer model that calculates solar radiation flux to the surface. The model is based on simple, physical modeling of the most important radiative processes occurring within the atmosphere, namely scattering and absorption by clouds, atmospheric gases and aerosols. Visible spectrum geostationary satellite imagery is used to compute cloud albedo, the governing cloud parameter. The repeat coverage of the geostationary satellite data (approx. one obs. per hour) allows an adequate sampling of the diurnal cloud variability. Furthermore the models simplicity allows it to be applied to large data sets. Model results have been compared to pyranometer measurements from the Dept. of Energy's Atmospheric Radiation Measurement program and averages better than 7% accuracy for daily integrated values of downwelling shortwave radiation. Global surface radiation data products will be made available through the Earth System Science Workbench (ESSW), specifically shortwave, photosynthetically-active (PAR), and ultraviolet (UV) radiation fields. These data are derived from GOES VISSR/VAS, AVHRR, and TOMS/UARS measurements. In the future, the radiation products will also be derived from MODIS, CERES, AIRS, and ARS/CHEM measurements, as they become available.

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• UCSB_ESSW_GSR

SCIOPS Short Name: UCSB_ESSW_GSR Version ID: Not provided Unique ID: C1214607717-SCIOPS

The Global Space-based Stratospheric Aerosol Climatology, or GloSSAC, is a 40-year climatology of stratospheric aerosol properties focused on extinction coefficient measurements by the Stratospheric Aerosol and Gas Experiment (SAGE) series of instruments through mid-2005 and on the Optical Spectrograph and InfraRed Imager System (OSIRIS) and the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) data thereafter. Data from other space instruments and from ground-based, air and balloon borne instruments to fill in key gaps in the data set. The end result is a global and gap-free data set focused on aerosol extinction coefficient at 525 and 1020 nm and other parameters on an ‘as available’ basis.

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LARC_ASDC Short Name: GloSSAC Version ID: 2.0 Unique ID: C1684217303-LARC_ASDC

The GOZCARDS Merged Data for Nitric Acid 1 month L3 10 degree Zonal Averages on a Vertical Pressure Grid product (GozMmlpHNO3) contains zonal means and related information (standard deviation, minimum/maximum value, etc.), calculated as a result of a merging process that ties together the source datasets, after bias removal and averaging. The merged HNO3 data are from the following satellite instruments: UARS MLS (v6; 1991 - 1997), ACE-FTS (v2.2u; 2004 - onward), and Aura MLS (v3.3; 2004 - onward). The vertical pressure range for HNO3 is from 147 to 1 hPa. The input source data used to create this merged product are contained in a separate data product with the short name GozSmlpHNO3. The GozMmlpHNO3 merged data are distributed in netCDF4 format.

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GES_DISC Short Name: GozMmlpHNO3 Version ID: 1 Unique ID: C1251051235-GES_DISC

The GOZCARDS Merged Data for Water Vapor 1 month L3 10 degree Zonal Averages on a Vertical Pressure Grid product (GozMmlpH2O) contains zonal means and related information (standard deviation, minimum/maximum value, etc.), calculated as a result of a merging process that ties together the source datasets, after bias removal and averaging. The merged H2O data are from the following satellite instruments: HALOE (v19; 1991 - 2005), ACE-FTS (v2.2u; 2004 - onward), and Aura MLS (v3.3; 2004 - onward). The vertical pressure range for H2O is from 147 to 0.01 hPa. The input source data used to create this merged product are contained in a separate data product with the short name GozSmlpH2O. The GozMmlpH2O merged data are distributed in netCDF4 format.

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GES_DISC Short Name: GozMmlpH2O Version ID: 1 Unique ID: C1251051158-GES_DISC

The GOZCARDS Source Data for Nitric Acid 1 month L3 10 degree Zonal Averages on a Vertical Pressure Grid product (GozSmlpHNO3) contains zonal means and related information (standard deviation, minimum/maximum value, etc.), calculated from original Level 2 satellite instruments and products. The source HNO3 data are from the following satellite instruments: UARS MLS (v6; 1991 - 1997), ACE-FTS (v2.2u; 2004 - onward), and Aura MLS (v3.3; 2004 - onward). The vertical pressure range for HNO3 is from 147 to 1 hPa. source data are used to create a merged product contained in a separate data product with the short name GozMmlpHNO3. The GozSmlpHNO3 source data are distributed in netCDF4 format.

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GES_DISC Short Name: GozSmlpHNO3 Version ID: 1 Unique ID: C1251051329-GES_DISC