Short Name:
CAL_LID_L2_05kmAPro_Exp-Prov-V3-40

CALIPSO Lidar Level 2 Aerosol Profile, Expedited Provisional V3-40

CAL_LID_L2_05kmAPro_Exp-Prov-V3-40 is the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) Lidar Level 2 Aerosol Profile, Expedited Provisional Version 3-40 data product. Data for this product was collected using the CALIPSO Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) instrument. Data collection for this product is ongoing. This product uses the CALIPSO Lidar Ratio Selection algorithm. The lidar Level 2 Aerosol Profile data products contain averaged aerosol profile data and ancillary data. There are no layer descriptors included in the lidar aerosol profile data products. The spatial distribution of the aerosol layers is instead completely characterized by the aerosol layer fraction and atmospheric volume description parameters. The aerosol profile products are generated at a uniform horizontal resolution of 5 km. The aerosol backscatter and extinction coefficients are computed using a lidar ratio selected by the CALIPSO lidar Ratio selection algorithm. The science algorithms used to produce the Version 3.30 CALIOP data products are identical to those used to generate the Version 3.01 and Version 3.02 products; however, some of the ancillary data used in the Version 3.30 analyses is different. All CALIOP data products rely on meteorological data provided by NASA's Global Modeling and Assimilation Office (GMAO). The Version 3.01 and Version 3.02 data products were produced using the GMAO's Goddard Earth Observing System Model, Version 5.2 (GEOS 5.2) data products. CALIPSO was launched on April 28, 2006 to study the impact of clouds and aerosols on the Earth's radiation budget and climate. It flies in the international A-Train constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments, CALIOP, Imaging Infrared Radiometer (IIR), and Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency, CNES.

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