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CERES Energy Balanced and Filled (EBAF) Surface Monthly means data in netCDF

CERES_EBAF-Surface_Edition4.0 is the Clouds and the Earth's Radiant Energy System (CERES) Energy Balanced and Filled (EBAF) Surface Monthly means data in netCDF Edition 4.0 data product, which was collected using CERES Flight Model 1 (FM1), CERES FM2, and CERES Scanner on Terra along with CERES FM3, CERES FM4, and CERES Scanner on Aqua. Data collection for this product is complete. CERES EBAF Surface products provides computed monthly mean surface radiative fluxes that are consistent with the CERES EBAF-TOA products. In CERES EBAF-TOA products, the top-of-atmosphere (TOA) fluxes are constrained so that the global net TOA flux is consistent with our best estimate of heat storage in the Earth-atmosphere system (~0.58 Wm-2). CERES EBAF-Surface is primarily intended for studies that use Earth Radiation Budget (ERB) data to evaluate climate models, estimate the Earth's annual global mean energy budget, and infer meridional heat transports. The CERES EBAF-Surface data set is a single file in netCDF format. It consists of monthly 1 degree regional, zonal, and global averages of surface upward/downward longwave (LW), upward/downward shortwave (SW), and net fluxes under clear and all-sky conditions as well as associated net cloud radiative effects. Computed fluxes are based on hourly computations using cloud properties derived from narrow-band imagers onboard both Earth Observing System (EOS) Terra and Aqua satellites as well as geostationary satellites to more fully model the diurnal cycle of clouds. The computations are also based on meteorological assimilation data from the Goddard Earth Observing System (GEOS) Versions 5.4.1 models. Unlike other CERES Level 3 clear-sky regional data sets that contain clear-sky data gaps, the clear-sky fluxes in the EBAF-Surface product are regionally complete. The EBAF-Surface product is the CERES project's best estimate of the fluxes based on all available satellite platforms and input data. CERES is a key component of the Earth Observing System (EOS) program. The CERES instruments provide radiometric measurements of the Earth's atmosphere from three broadband channels. The CERES missions are a follow-on to the successful Earth Radiation Budget Experiment (ERBE) mission. The first CERES instrument, protoflight model (PFM), was launched on November 27, 1997 as part of the Tropical Rainfall Measuring Mission (TRMM). Two CERES instruments (FM1 and FM2) were launched into polar orbit on board the Earth Observing System (EOS) flagship Terra on December 18, 1999. Two additional CERES instruments (FM3 and FM4) were launched on board Earth Observing System (EOS) Aqua on May 4, 2002. The CERES FM5 instrument was launched on board the Suomi National Polar-orbiting Partnership (NPP) satellite on October 28, 2011. The newest CERES instrument (FM6) was launched on board the Joint Polar-Orbiting Satellite System 1 (JPSS-1) satellite, now called NOAA-20, on November 18, 2017.

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