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https://nsidc.org/data/user-resources/help-center/are-same-regions-used-sea-ice-index-and-masie-nh Are the same regions used in the Sea Ice Index and MASIE-NH? | National Snow and Ice Data Center national snow data sea ice regions used index https://nsidc.org/about/about-nsidc/what-we-do/careers Careers | National Snow and Ice Data Center Working at NSIDCThe National Snow and Ice Data Center (NSIDC) is made up of a diverse and dedicated group of data and research scientists, project managers,... ice data center careers national snow https://nsidc.org/learn/cryosphere-glossary/k Cryosphere Glossary | National Snow and Ice Data Center cryosphere glossary national ice data center snow https://nsidc.org/news-analyses/news-stories/arctic-report-card-close-watch-warming-region Arctic Report Card: A Close Watch on a Warming Region | National Snow and Ice Data Center Since its inception, the Arctic Report Card has relied upon NSIDC scientists as authors and/or editors nearly every year, and incorporated NSIDC data in every... arctic report card ice data center close watch region national warming https://nsidc.org/data/data-programs/noaa-nsidc NOAA@NSIDC | National Snow and Ice Data Center ice data center noaa nsidc national snow https://nsidc.org/data/user-resources/data-announcements/data-set-update-measures-annual-antarctic-ice-velocity-maps-version-1-0 Data set update: MEaSUREs Annual Antarctic Ice Velocity Maps, Version 1 | National Snow and Ice... The MEaSUREs Annual Antarctic Ice Velocity Maps, Version 1 data set, available at the NASA National Snow and Ice Data Center Distri data set update version 1 national antarctic ice measures annual https://nsidc.org/learn/cryosphere-glossary/g Cryosphere Glossary | National Snow and Ice Data Center cryosphere glossary national ice data center snow https://nsidc.org/sea-ice-today/analyses/sea-ice-climbs-second-lowest-january Sea ice climbs to second lowest January | National Snow and Ice Data Center Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most... sea ice second lowest national snow data center climbs https://nsidc.org/data/viirs/data Data | National Snow and Ice Data Center The following table includes the official VIIRS mission data currently available from NSIDC DAAC. These data products have been produced and validated by the... data national snow ice center https://nsidc.org/about/about-nsidc/what-we-do/published-research?page=7 Published Research | National Snow and Ice Data Center published research national ice data center snow https://nsidc.org/data/amsre/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/news-analyses/news-stories/critical-importance-comprehensive-science-based-epa-and-doe-climate-reports The critical importance of comprehensive, science-based EPA and DOE climate reports | National Snow... A statement from the National Snow and Ice Data Center and the Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder climate reports national critical importance science based comprehensive epa https://nsidc.org/our-research/scientists-publications Scientists Publications | National Snow and Ice Data Center ice data center publications national scientists snow https://nsidc.org/about/about-nsidc/what-we-do/our-people/stephanie_wong Stephanie Wong | National Snow and Ice Data Center ice data center stephanie wong national snow https://nsidc.org/data/modis/related-data Related Data | National Snow and Ice Data Center The following table includes data sets derived from MODIS data currently available from NSIDC DAAC. These data sets have typically been produced by the science... related data national ice center snow https://nsidc.org/news-analyses/news-stories/cloud-optimized-hdf5-boosts-access-icesat-2-data Cloud-Optimized HDF5 Boosts Access to ICESat-2 Data | National Snow and Ice Data Center On July 31, 2025, the NASA NSIDC DAAC released ATL03 global geolocated photon data in cloud-optimized HDF5, making ICESat-2 one of NASA’s first missions to... data national snow cloud optimized icesat 2 hdf5 boosts https://nsidc.org/data/nsidc-0077/versions/2 Nimbus-5 ESMR Polar Gridded Brightness Temperatures, Version 2 | National Snow and Ice Data Center ice data center version 2 national snow nimbus 5 https://nsidc.org/data/snowex/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/home Homepage | National Snow and Ice Data Center ice data center homepage national snow https://nsidc.org/learn/parts-cryosphere/frozen-ground-permafrost Frozen Ground & Permafrost | National Snow and Ice Data Center What is frozen ground?When water turns into ice in soil, it becomes frozen ground. This frozen soil has a temperature at or below 0°C (32°F). ice data center frozen ground national snow permafrost https://nsidc.org/data/smmr_ssmi/news Data Announcements | National Snow and Ice Data Center data announcements national ice center snow https://nsidc.org/data/data-programs/nsidc-daac NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) | National... ice data center distributed active archive nasa national nsidc daac snow https://nsidc.org/ice-sheets-today/melt-data-tools Melt Data | National Snow and Ice Data Center In addition to generating daily maps and graphs of surface melt data, Ice Sheets Today provides the following data tools with a focus on the Greenland Ice... data national snow ice center melt https://nsidc.org/sea-ice-today/analyses Analyses | National Snow and Ice Data Center analyses national snow ice data center https://nsidc.org/about/about-nsidc/what-we-do/published-research Published Research | National Snow and Ice Data Center published research national ice data center snow https://nsidc.org/data/user-resources/documents?page=4 Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/news-analyses/about-our-analyses About Our Analyses | National Snow and Ice Data Center As the frozen parts of our planet face rapid and unprecedented change, NSIDC has been sharing how and why its key features are changing. analyses national snow ice data center https://nsidc.org/data/masie/masie-faqs MASIE FAQs | National Snow and Ice Data Center 1. What is the difference between this product and the Sea Ice Index? ice data center faqs national masie snow https://nsidc.org/ice-sheets-today/analyses Analyses | National Snow and Ice Data Center Our scientific data analysis articles for the Greenland Ice Sheet melt season are typically published from April 1 to November 1. analyses national snow ice data center https://nsidc.org/data/icesat-2/news Data Announcements | National Snow and Ice Data Center data announcements national ice center snow https://nsidc.org/learn/cryosphere-glossary/r Cryosphere Glossary | National Snow and Ice Data Center cryosphere glossary national ice data center snow https://nsidc.org/rain-on-snow/about About AROSS | National Snow and Ice Data Center Rain on Snow (ROS) events occur when rain falls onto an existing snowpack and freezes, forming an ice crust that can have severe consequences to wildlife,... ice data center national snow https://nsidc.org/learn/cryosphere-glossary?page=4 Cryosphere Glossary | National Snow and Ice Data Center cryosphere glossary national ice data center snow https://nsidc.org/data/user-resources/documents?page=3 Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/data/icesat-2/products ICESat-2 Product Overviews | National Snow and Ice Data Center ATLAS/ICESat-2 processing begins with two Level 1 products: ATL01, which computes photon times of flight, and ATL02, which corrects them for temperature and... ice data center icesat 2 product overviews national snow https://nsidc.org/our-research Our Research | National Snow and Ice Data Center The cryosphere is a global system stretching from the Arctic to the Antarctic and includes all the snow, ice, and other frozen regions across the planet. research national snow ice data center https://nsidc.org/about/about-nsidc/what-we-do/our-people/andrew_barrett Andrew Barrett | National Snow and Ice Data Center ice data center national snow andrew barrett https://nsidc.org/data/seaice_index/faq FAQ | National Snow and Ice Data Center The Sea Ice Index provides a quick look at Arctic- and Antarctic-wide changes in sea ice. ice data center faq national snow https://nsidc.org/our-research/featured-projects/sea-ice-today-and-ice-sheets-today Sea Ice Today and Ice Sheets Today | National Snow and Ice Data Center Climate change is affecting the polar regions more than any other place on Earth. sea ice today national snow data sheets center https://nsidc.org/data/g02180/versions/1 SHEBA Reconnaissance Imagery, Version 1 | National Snow and Ice Data Center version 1 national ice data center sheba reconnaissance imagery https://nsidc.org/data/user-resources/help-center/visualize-and-download-nsidc-daac-data-nasa-worldview Visualize and download NSIDC DAAC data with NASA Worldview | National Snow and Ice Data Center nsidc daac data national snow ice visualize download nasa https://nsidc.org/about/about-nsidc/what-we-do/our-history Our History | National Snow and Ice Data Center NSIDC's roots go back to history national snow ice data center https://nsidc.org/sea-ice-today/analyses/spring-air Spring is in the air | National Snow and Ice Data Center Arctic sea ice extent for March set a record low in the 47-year satellite data record. Extent was below average everywhere except the East Greenland Sea. ice data center air national spring snow https://nsidc.org/data/g00807/versions/1 International Ice Patrol (IIP) Iceberg Sightings Database, Version 1 | National Snow and Ice Data... version 1 national international ice patrol iip iceberg https://nsidc.org/our-research/latest-stories Latest Stories | National Snow and Ice Data Center stories national snow ice data center latest https://nsidc.org/news-analyses/news-stories/navigating-changing-arctic-nsidc-data-support-safer-seas Navigating a changing Arctic: NSIDC data support safer seas | National Snow and Ice Data Center The NSIDC DAAC and NOAA@NSIDC archive and distribute data sets relevant to maritime navigation in the polar regions. Although they are not up-to-the-minute... data support national snow ice center navigating changing https://nsidc.org/data/smap/data Data | National Snow and Ice Data Center The following table includes the official SMAP mission data currently available from NSIDC DAAC. data national snow ice center https://nsidc.org/data/nsidc-0484/versions/2 MEaSUREs InSAR-Based Antarctica Ice Velocity Map, Version 2 | National Snow and Ice Data Center ice velocity version 2 national snow data center measures https://nsidc.org/data/icesat/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/data/masie/about-masie About MASIE | National Snow and Ice Data Center MASIE-NH stands for the Multisensor Analyzed Sea Ice Extent – Northern Hemisphere. ice data center national snow masie https://nsidc.org/data/modis/version-history Version History | National Snow and Ice Data Center The following information summarizes the differences between various versions of MODIS data. version history national ice data center snow https://nsidc.org/about/about-nsidc/what-we-do What We Do | National Snow and Ice Data Center From the Arctic to the Antarctic, snow and ice play a vital role in regulating Earth’s climate and providing freshwater resources to people, plants, and... ice data center national snow https://nsidc.org/sea-ice-today/maps Maps | National Snow and Ice Data Center Sea ice differs between the Arctic and Antarctic, primarily because of their different geographies. The Arctic is a semi-enclosed ocean, almost completely... ice data center maps national snow https://nsidc.org/data/user-resources/data-announcements/data-set-updates-icebridge-gravimeter-l3-l4-bathymetry-versions-1 Data set updates: IceBridge Gravimeter L3 & L4 Bathymetry, Versions 1 | National Snow and Ice Data... The IceBridge Gravimeter L3 Bathymetry, Version 1 (IGBTH3) and IceBridge Gravimeter L4 Bathymetry, 1 national snow data set l3 l4 updates icebridge https://nsidc.org/learn/cryosphere-glossary?page=8 Cryosphere Glossary | National Snow and Ice Data Center cryosphere glossary national ice data center snow https://nsidc.org/about/about-nsidc/what-we-do/our-people/julienne_stroeve Julienne Stroeve | National Snow and Ice Data Center ice data center national snow julienne stroeve https://nsidc.org/about/protecting-your-privacy Protecting Your Privacy | National Snow and Ice Data Center Thank you for visiting the National Snow and Ice Data Center's (NSIDC) website. ice data center privacy national protecting snow https://nsidc.org/about/about-nsidc/what-we-do/our-people/ann_windnagel Ann Windnagel | National Snow and Ice Data Center ice data center national snow ann https://nsidc.org/ice-sheets-today/about-project About the project | National Snow and Ice Data Center Ice Sheets Today offers the latest satellite data and scientific analyses on surface melting of Earth's two ice sheets: Greenland in the Northern Hemisphere,... ice data center project national snow https://nsidc.org/data/g10039/versions/1 Seasonal Antarctic Sea Ice Extent Reconstructions, 1905-2020, Version 1 | National Snow and Ice... antarctic sea ice version 1 national seasonal extent reconstructions https://nsidc.org/learn/ask-scientist?page=1 Ask a Scientist | National Snow and Ice Data Center These articles provide answers to frequently asked questions related to Earth's frozen realms. ice data center national snow ask scientist https://nsidc.org/data/smap/news Data Announcements | National Snow and Ice Data Center data announcements national ice center snow https://nsidc.org/sea-ice-today Sea Ice Today | National Snow and Ice Data Center sea ice today national snow data center https://nsidc.org/learn/ask-scientist/does-sea-ice-melt-raise-sea-level Does sea ice melt raise sea level? | National Snow and Ice Data Center Sea ice melt is not a significant contributor to sea level rise, but its contribution is not nothing, either. Sea ice is composed mostly of fresh water, which... sea ice level national data center melt raise https://nsidc.org/data/aidjex/data Data | National Snow and Ice Data Center data national snow ice center https://nsidc.org/data/visualize-data Visualize Data | National Snow and Ice Data Center Visualize NSIDC data in a particular region or explore various geophysical measurements of the cryosphere with the featured tools below. data national snow ice center visualize https://nsidc.org/data/icebridge/help-articles Help Articles | National Snow and Ice Data Center help articles national ice data center snow https://nsidc.org/data/viirs/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/sea-ice-today/analyses/race-bottom The race to the bottom | National Snow and Ice Data Center With the waning of sunlight, the pace of sea ice loss in the Arctic is slowing, and the seasonal minimum is expected in mid-September. While a new record low... ice data center national snow race bottom https://nsidc.org/about/media For the Media | National Snow and Ice Data Center Welcome to the National Snow and Ice Data Center. Please contact us through the links in the side bar of this page and also make sure to explore our... ice data center media national snow https://nsidc.org/sea-ice-today/analyses/peak-summer-depths-winter The peak of summer, the depths of winter | National Snow and Ice Data Center At the end of July 2025, daily sea ice extent in both hemispheres ranked third lowest in the 47-year satellite record. ice data center winter national peak summer depths https://nsidc.org/ice-sheets-today/analyses/ice-sheets-today-services-reduced Ice Sheets Today services reduced | National Snow and Ice Data Center Beginning October 15, 2025, NSIDC’s Ice Sheets Today services will be reduced because of non-renewed funding. ice sheets reduced national data center today services https://nsidc.org/openaltimetry OpenAltimetry | National Snow and Ice Data Center ice data center national snow https://nsidc.org/data/clpx/data Data | National Snow and Ice Data Center The following table includes the official CLPX data sets currently available from NSIDC DAAC. These data sets have been produced by the CLPX team. data national snow ice center https://nsidc.org/data/programs/eloka ELOKA | National Snow and Ice Data Center The Exchange for Observations and Local Knowledge of the Arctic (ELOKA) program at NSIDC is funded by the National Science Foundation (NSF) and works with... ice data center national snow eloka https://nsidc.org/news-analyses/news-stories/antarctic-sea-ice-extent-arrives-near-average-minimum Antarctic sea ice extent arrives at a near-average minimum | National Snow and Ice Data Center Antarctic sea ice has likely reached its minimum extent for the year, at 2.58 million square kilometers (996,000 square miles) on February 26, 2026, ranking... antarctic sea ice near average national snow data center extent https://nsidc.org/data/user-resources/help-center/does-nsidc-have-tools-extract-and-geolocate-polar-stereographic-data Does NSIDC have tools to extract and geolocate polar stereographic data? | National Snow and Ice... data national snow nsidc tools extract geolocate https://nsidc.org/data/smap/validation-data Validation Data | National Snow and Ice Data Center The following table lists the science data products from soil moisture field campaigns and related data. data national snow ice center validation https://nsidc.org/data/icesat/news Data Announcements | National Snow and Ice Data Center data announcements national ice center snow https://nsidc.org/data/smap/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/data/user-resources/help-center/creating-text-files-https-and-s3-urls-earthdata-cloud-data-access Creating Text Files of HTTPS and S3 URLs for Earthdata Cloud Data Access | National Snow and Ice... national snow ice text files earthdata cloud creating https https://nsidc.org/learn/parts-cryosphere/ice-shelves/quick-facts-about-ice-shelves Quick Facts About Ice Shelves | National Snow and Ice Data Center What is an ice shelf?Ice shelves are floating tongues of ice that extend from glaciers grounded on land. quick facts ice shelves national snow data center https://nsidc.org/about/about-nsidc/what-we-do/our-people/elizabeth_sheffield Elizabeth Sheffield | National Snow and Ice Data Center ice data center national snow elizabeth sheffield https://nsidc.org/sea-ice-today/analyses/2025-arctic-sea-ice-minimum-squeezes-ten-lowest-minimums 2025 Arctic sea ice minimum squeezes into the ten lowest minimums | National Snow and Ice Data... On September 10, Arctic sea ice likely reached its annual minimum extent of 4.60 million square kilometers (1.78 million square miles). The 2025 minimum shares... arctic sea ice national snow 2025 minimum squeezes https://nsidc.org/about/about-nsidc/what-we-do/our-people/lisa_booker Lisa Booker | National Snow and Ice Data Center ice data center national snow lisa booker https://nsidc.org/data/icesat-2/help-articles Help Articles | National Snow and Ice Data Center help articles national ice data center snow https://nsidc.org/learn/parts-cryosphere/arctic-weather-and-climate/science-arctic-weather-and-climate The Science of Arctic Weather and Climate | National Snow and Ice Data Center Factors affecting Arctic weather and climateJust like other areas on Earth, weather and climate in the Arctic depend on a lot of variables, including latitude... national snow ice arctic weather data center science climate https://nsidc.org/news-analyses/news-stories/charis-project-summary CHARIS project summary | National Snow and Ice Data Center The Contribution to High Asia Runoff (CHARIS) project began in 2012 and ended in 2019. The project aimed to distinguish between input from seasonal snow melt... ice data center project summary national snow charis https://nsidc.org/data/aso/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/sea-ice-today/analyses/arctic-sea-ice-extent-levels-2024-minimum-set Arctic sea ice extent levels off; 2024 minimum set | National Snow and Ice Data Center On September 11, Arctic sea ice likely reached its annual minimum extent of 4.28 million square kilometers (1.65 million square miles). The 2024 minimum is the... arctic sea ice national snow data center extent levels https://nsidc.org/data/amsre/version-history Version History | National Snow and Ice Data Center This page provides details of the processing and algorithm history for all versions of AMSR-E data products. version history national ice data center snow https://nsidc.org/data/aquarius/help-articles Help Articles | National Snow and Ice Data Center help articles national ice data center snow https://nsidc.org/about/about-nsidc/what-we-do/our-people/noor_jehan_johnson Noor jehan Johnson | National Snow and Ice Data Center ice data center national snow noor jehan johnson https://nsidc.org/data/google_earth Google Earth Activities | National Snow and Ice Data Center The National Snow and Ice Data Center offers some of our data in the form of images. From these, we have created Google Earth files that enable you to view... ice data center google earth activities national snow https://nsidc.org/learn/cryosphere-glossary/ablation-area ablation area | National Snow and Ice Data Center the area of a glacier where more glacier mass is lost than gained. ice data center area national ablation snow https://nsidc.org/learn/cryosphere-glossary/ablation ablation | National Snow and Ice Data Center (1) combined processes (such as sublimation, fusion or melting, evaporation) which remove snow or ice from the surface of a glacier or from a snow-field; also... ice data center national snow ablation https://nsidc.org/data/measures/documents Documents | National Snow and Ice Data Center documents national snow ice data center https://nsidc.org/about/about-nsidc/what-we-do/our-people/patrick_graham Patrick Graham | National Snow and Ice Data Center ice data center national snow patrick graham https://nsidc.org/about/about-nsidc/what-we-do/published-research?page=8 Published Research | National Snow and Ice Data Center published research national ice data center snow https://nsidc.org/learn/cryosphere-glossary/i Cryosphere Glossary | National Snow and Ice Data Center cryosphere glossary national ice data center snow