2026-08-18T02:41:24Zhttp://nsidc.org/api/dataset/metadata/oaioai:nsidc.org/ATL17.0052026-04-30T17:16:32Zcumulusretirednasa_nsidc_daac
ATL17.005ATLAS/ICESat-2 L3B Monthly Gridded AtmospherePalm, S. P., Northam, E. T. & Herzfeld, U. C.ATLAS/ICESat-2 L3B Monthly Gridded Atmosphere2023-09-28Boulder, Colorado USANASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center5false10.5067/ATLAS/ATL17.005https://nsidc.org/sites/default/files/documents/user-guide/atl17-v005-userguide.pdfATL17Technical ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-61991-303-492-2468CIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAEARTH SCIENCEATMOSPHERECLOUDSCLOUD MICROPHYSICSCLOUD OPTICAL DEPTH/THICKNESS Climatology/Meteorology/Atmosphereicesat2-projectATLASAdvanced Topographic Laser Altimeter SystemICESat-2Ice, Cloud, and land Elevation Satellite-22018-10-132024-05-10deprecated-9090-180180GEOGRAPHIC REGIONGLOBALGEOGRAPHIC REGIONPOLAR1 degree1 degree1 monthThese data have been retired and are no longer accessible, though a more recent version of these data may be available.These data have been retired and are no longer available for use, though a more recent version of these data may be available. Cite any prior or planned use of these data according to the recommended citation at https://nsidc.org/about/data-use-and-copyright. For more information on the NASA ESDIS Data Use Guidance, see https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance.EnglishNASA/GSFC/SED/ESD/I2-SIPSNASA NSIDC DAACNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daacData Center ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-6199National Snow and Ice Data CenterCIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAHTTPSHDF5This data set contains a gridded summary of monthly global cloud fraction, total column optical depth over the oceans, polar cloud fraction, blowing snow frequency, apparent surface reflectivity, and ground detection frequency.VIEW RELATED INFORMATIONhttps://nsidc.org/sites/default/files/documents/user-guide/atl17-v005-userguide.pdfATLAS/ICESat-2 L3B Monthly Gridded Atmosphere, Version 5 User GuideCEOS IDN DIFVERSION 9.92023-09-282026-04-30NSIDCVersion SummaryAdded new gridded data parameter called South Polar Diamond Dust Frequency, associated image, and supporting statistical vector parameters; Added new North Polar Apparent Surface Reflectance Cloud Fraction gridded data parameter, associated image, and supporting North Polar Apparent Surface Reflectance Cloud Fraction statistical vector parameters; Added new South Polar Apparent Surface Reflectance Cloud Fraction gridded data parameter, associated image, and supporting South Polar Apparent Surface Reflectance Cloud Fraction statistical vector parameters; Added new Global Apparent Surface Reflectance Cloud Fraction gridded data parameter, associated image, and supporting Global Apparent Surface Reflectance Cloud Fraction statistical vector parameters; Implemented filtering of laser shots with a surface incidence angle greater than six degrees for Expanded Global Total Column Optical Depth, Global Apparent Surface Reflectance, Global Total Column Optical Depth, North Polar Apparent Surface Reflectance, and South Polar Apparent Surface Reflectance.NSIDCMinor Version1Data were reprocessed using ITRF2014 (replacing ITRF2020) for consistency across the entire data set. 2022-11-132023-10-260NSIDCSpatial Reference SystemsEPSG:4326WGS 84NSIDCLevel of ServiceNo Data AccessNSIDCFull Dataset CitationPalm, S. P., Northam, E. T. & Herzfeld, U. C. (2023). <i>ATLAS/ICESat-2 L3B Monthly Gridded Atmosphere</i>. (ATL17, Version 5). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. <a href="https://doi.org/10.5067/ATLAS/ATL17.005">https://doi.org/10.5067/ATLAS/ATL17.005</a>. [<i><describe subset used if applicable></i>].NSIDCRetiredtrue