2026-05-15T07:05:52Zhttp://nsidc.org/api/dataset/metadata/oaioai:nsidc.org/G02186.0012026-02-17T20:03:07Zv0_otherv0_allnoaa
G02186.001Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH)U.S. National Ice Center, Fetterer, F., Savoie, M., Helfrich, S. & Clemente-Colón, P.Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH)2010-12-14Boulder, Colorado USANSIDC: National Snow and Ice Data Center1false10.7265/N5GT5K3Khttps://dx.doi.org/10.7265/N5GT5K3KG02186Technical ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-61991-303-492-2468CIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAEARTH SCIENCECRYOSPHERESEA ICEICE EDGES EARTH SCIENCECRYOSPHERESEA ICEICE EXTENT EARTH SCIENCEOCEANSSEA ICEICE GROWTH/MELT Climatology/Meteorology/AtmosphereArctic Sea IceICE EDGESea IceSea Ice ConcentrationSea Ice ConditionsSea Ice ExtentSea Ice Observations and Charts-projectSea Ice PM Polar Stereo-projectSea Ice Prediction Network-projectSea Ice Visible/Infrared-projectSIPN-projectSIPN sea ice-projectASARAdvanced Synthetic Aperature RadarMODISModerate-Resolution Imaging SpectroradiometerPALSARPhased Array type L-band Synthetic Aperture RadarSARSynthetic Aperture RadarSEVIRISpinning Enhanced Visible and Infrared ImagerSSM/ISpecial Sensor Microwave/ImagerVASVISSR Atmospheric SounderALOSAdvanced Land Observing SatelliteAquaEarth Observing System, AquaDMSPDefense Meteorological Satellite ProgramENVISATEnvironmental SatelliteGOESNOAA Geostationary Operational Environmental SatellitesMSGMeteosat Second GenerationRADARSAT-22006-01-01active090-180180OCEANARCTIC OCEANOCEANATLANTIC OCEANNORTH ATLANTIC OCEANBALTIC SEAOCEANARCTIC OCEANBARENTS SEAOCEANARCTIC OCEANBEAUFORT SEAOCEANPACIFIC OCEANNORTH PACIFIC OCEANBERING SEAOCEANARCTIC OCEANCHUKCHI SEACONTINENTNORTH AMERICACANADAHUDSON BAYOCEANPACIFIC OCEANNORTH PACIFIC OCEANSEA OF OKHOTSKOCEANPACIFIC OCEANWESTERN PACIFIC OCEANYELLOW SEAGEOGRAPHIC REGIONNORTHERN HEMISPHEREOCEANATLANTIC OCEANNORTH ATLANTIC OCEANGULF OF ST LAWRENCE1 km1 km1 day4 km4 km1 dayA quality assessment of this product has not been made.These data are freely, openly, and fully accessible without restrictions.For more information on the NASA EOSDIS Data Use Policy, see https://earthdata.nasa.gov/earth-observation-data/data-use-policy.EnglishNOAANOAANational Oceanic and Atmospheric Administrationhttp://nsidc.org/noaa/Data Center ContactNOAAUser Servicesnsidc@nsidc.org1-303-492-61991-303-492-2468National Snow and Ice Data CenterCIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAHTTPSNetCDFHTTPSPNGHTTPSGeoTIFFHTTPSASCIIHTTPSShapefileHTTPSKMLHTTPSExcelArctic Climatology Project. 2000. Environmental Working Group joint U.S.-Russian sea ice atlas. Edited by F. Tanis and V. Smolyanitsky. Ann Arbor, MI: Environmental Research Institute of Michigan in association with the National Snow and Ice Data Center. CD-ROM.
Fetterer, F., compiler. 2006. A selection of documentation related to National Ice Center sea ice charts in digital format. NSIDC Special Report 13. Boulder, CO, USA: National Snow and Ice Data Center. Fetterer, F., K. Knowles, W. Meier, and M. Savoie. 2002, updated 2009. Sea Ice Index, Boulder, Colorado USA: National Snow and Ice Data Center. Digital media. Helfrich, S.R., D. McNamara, B.H. Ramsay, T. Baldwin, and T. Kasheta. 2007. Enhancements to, and forthcoming developments to the Interactive Multisensor Snow and Ice Mapping System (IMS), Hydrological Processes 21: 12, 1576-1586. McKenna, P., and W. N. Meier. 2002. SSM/I sea ice algorithm inter-comparison: Operational case studies from the National Ice Center, IGARSS Proceedings, INT_A32_04, Toronto, 24-28 June 2002.
Meier, W. N, M. L. van Woert, and C. Bertoia. 2001. Evaluation of operational SSM/I ice concentration algorithms, Ann. Glaciology, 33, 102-108.
Meier, Walter, 2005. Comparison of Passive Microwave Ice Concentration Algorithm Retrievals With AVHRR Imagery in Arctic Peripheral Seas. IEEE Transactions on Geoscience and Remote Sensing, Vol 40, No. 6, pp 1324-1334.
Meier, W. N., F. Fetterer, C. Fowler, P. Clemente-Colón, T. Street, Operational sea ice charts: An integrated data product suitable for observing long-term changes in Arctic sea ice? Poster presented at the AGU Fall Meeting, 2006, and available on the NSIDC Posters and Presentations page.
Meier, W. N., T. Maksym and M.L. Van Woert, Evaluation of Arctic operational passive microwave products: a case study in the Barents Sea during October 2001. Ice in the Environment: Proceedings of the 16th IAHR International Symposium on Ice, Dunedin, New Zealand, 2nd-6th December 2002, International Association of Hydraulic Engineering and Research
National Ice Center. 2006. National Ice Center Arctic sea ice charts and climatologies in gridded format. Edited and compiled by F. Fetterer and C. Fowler. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.
Partington, K., T. Flynn, D. Lamb, C. Bertoia, and K. Dedrick., 2003. Late twentieth century Northern Hemisphere sea-ice record from U.S. National Ice Center ice charts, J. Geophys. Res., 108, C11, 3343, doi:10.1029/2002JC001623.
Rayner, N. A., D. E. Parker, E. B. Horton, C. K. Folland, L.V. Alexander, D. P. Rowell, E. C. Kent, and A. Kaplan. 2003. Global analysis of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century. Journal of Geophysical Research. 108 (D14). doi:10.1029/2002JD002670.
Willis, Z. M, Foster, C. Bertoia, and K. Dedrick. 2000. National Ice Center/Naval Ice Center support to submarine operations Undersea Warfare: Issue 8, pp. 18-21.The Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH) products provide measurements of daily sea ice extent and sea ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell sizes. MASIE products include an ASCII text file of sea ice extent values in square km for each Arctic region, time series plots, and image files that visually show where the sea ice is.
Note: MASIE may look like several other sea ice products distributed at NSIDC and elsewhere, but its source data from the U.S. National Ice Center (USNIC) and intended uses are different. If intended and appropriate uses of the data are not clear after reading the documentation, please contact <a href="mailto:nsidc@nsidc.org">NSIDC User Services</a>.VIEW RELATED INFORMATIONhttps://dx.doi.org/10.7265/N5GT5K3KDocumentationGET DATAhttps://noaadata.apps.nsidc.org/NOAA/G02186/HTTPSPROJECT HOME PAGEhttp://nsidc.org/data/masieProduct WebsiteCEOS IDN DIFVERSION 9.92010-12-142026-02-17NSIDCVersion SummaryInitial release of the 4 km MASIE NH product.NSIDCMinor Version1Addition of a 1 km gridded product.2014-12-020NSIDCUpdate Frequencyupdated dailyNSIDCCurrent Version1NSIDCLevel of ServiceComprehensiveNSIDCFull Dataset CitationU.S. National Ice Center, Fetterer, F., Savoie, M., Helfrich, S. & Clemente-Colón, P. (2010). <i>Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH)</i>. (G02186, Version 1). [Data Set]. Boulder, Colorado USA. National Snow and Ice Data Center. <a href="https://doi.org/10.7265/N5GT5K3K">https://doi.org/10.7265/N5GT5K3K</a>. [<i><describe subset used if applicable></i>].NSIDCRetiredfalseNSIDCRelated Servicesapplication/vnd.nasa.cmr.umm+jsonfalsejroebuckmmt_service_32962S2721063021-NSIDCV0NSIDCV01service2023-06-27T14:22:11.750Zhttps://noaadata.apps.nsidc.org/NSIDCV0_NOAA_Data_HTTPS_File_SystemNOT PROVIDED1NOAA@NSIDC HTTPS File SystemAccess and download NOAA@NSIDC data using a web browser, or through a command line utility such as WGET, or using programming languages such as R or Python.https://nsidc.org/data/user-resources/help-center/how-access-and-download-noaansidc-dataVIEW RELATED INFORMATIONNOAA@NSIDC HTTPS Access GuidePublicationURLUSER SERVICESNSIDC User ServicesEmailnsidc@nsidc.orgDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESThis is the most current release of this service.AUTHORDEVELOPERPUBLISHERSERVICE PROVIDERNational Oceanic and Atmospheric Administration at the National Snow and Ice Data CenterNSIDC_NOAAhttps://cdn.earthdata.nasa.gov/umm/service/v1.4UMM-S1.4https://noaadata.apps.nsidc.org/NOAA/G02186/NSIDCRelated Toolsapplication/vnd.nasa.cmr.umm+jsonfalseamy.steikermmt_tool_14612TL2045871718-NSIDCV0NSIDCV05tool2022-07-26T18:13:14.032ZGOTO WEB TOOLhttps://nsidc.org/data/masieDistributionURLNSIDCV0_MASIEWeb User Interface1MASIE-NH Daily Image ViewerView and download the most recent daily observations of sea ice extent and ice edge boundary for the entire Arctic and/or a specific region. Compare time series of sea ice extent from the most recent four weeks to the same four-week period in the previous four years.https://nsidc.org/data/masie/masie-faqsVIEW RELATED INFORMATIONMASIE FAQsPublicationURLDATA VISUALIZATIONDATA ANALYSIS AND VISUALIZATIONEARTH SCIENCE SERVICESDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESSERVICE PROVIDERNSIDC User ServicesEmailnsidc@nsidc.orgAUTHORDEVELOPERPUBLISHERSERVICE PROVIDERNational Oceanic and Atmospheric Administration at the National Snow and Ice Data Centerhttp://nsidc.org/noaa/NSIDC_NOAAAUTHORDEVELOPERWindnagelAnn2021-02-08T00:00:00.000ZChromeFirefoxSafariEdgeThis is the most current release of the tool.https://cdn.earthdata.nasa.gov/umm/tool/v1.0UMM-T1.0CSVGEOTIFFNETCDF-4PNGhttps://nsidc.org/data/masie