{"id": 1033268, "name": "Monthly sea ice extent in the Arctic", "unit": "million square kilometers", "createdAt": "2025-05-22T15:25:53.000Z", "updatedAt": "2025-05-26T07:40:44.000Z", "coverage": "", "timespan": "1-12", "datasetId": 7101, "shortUnit": "million km\u00b2", "columnOrder": 0, "shortName": "sea_ice_extent_arctic", "catalogPath": "grapher/climate/2025-05-22/sea_ice_extent_by_year/sea_ice_index#sea_ice_extent_arctic", "descriptionShort": "Each point represents the monthly average sea ice extent.", "type": "float", "grapherConfigIdETL": "0196f899-d5fd-7b24-8720-fc1ea79ec8e0", "dataChecksum": "11765289370902704032", "metadataChecksum": "-1317533920421923463", "datasetName": "Sea ice extent in the northern and southern hemispheres by year", "updatePeriodDays": 60, "datasetVersion": "2025-05-22", "nonRedistributable": false, "display": {"unit": "million square kilometers", "shortUnit": "million km\u00b2"}, "schemaVersion": 2, "processingLevel": "minor", "presentation": {"titlePublic": "Monthly sea ice extent in the Arctic", "topicTagsLinks": ["Climate Change"]}, "dimensions": {"years": {"values": [{"id": 1}, {"id": 2}, {"id": 3}, {"id": 4}, {"id": 5}, {"id": 6}, {"id": 7}, {"id": 8}, {"id": 9}, {"id": 10}, {"id": 11}, {"id": 12}]}, "entities": {"values": [{"id": 137008, "name": "1980", "code": null}, {"id": 137009, "name": "1981", "code": null}, {"id": 137010, "name": "1982", "code": null}, {"id": 137011, "name": "1983", "code": null}, {"id": 137012, "name": "1984", "code": null}, {"id": 137013, "name": "1985", "code": null}, {"id": 137014, "name": "1986", "code": null}, {"id": 137015, "name": "1987", "code": null}, {"id": 137016, "name": "1988", "code": null}, {"id": 137017, "name": "1989", "code": null}, {"id": 137018, "name": "1990", "code": null}, {"id": 137019, "name": "1991", "code": null}, {"id": 137020, "name": "1992", "code": null}, {"id": 137021, "name": "1993", "code": null}, {"id": 137022, "name": "1994", "code": null}, {"id": 137023, "name": "1995", "code": null}, {"id": 137024, "name": "1996", "code": null}, {"id": 137025, "name": "1997", "code": null}, {"id": 137026, "name": "1998", "code": null}, {"id": 137027, "name": "1999", "code": null}, {"id": 37940, "name": "2000", "code": null}, {"id": 137028, "name": "2001", "code": null}, {"id": 137029, "name": "2002", "code": null}, {"id": 137030, "name": "2003", "code": null}, {"id": 137031, "name": "2004", "code": null}, {"id": 137032, "name": "2005", "code": null}, {"id": 137033, "name": "2006", "code": null}, {"id": 137034, "name": "2007", "code": null}, {"id": 137035, "name": "2008", "code": null}, {"id": 137036, "name": "2009", "code": null}, {"id": 137037, "name": "2010", "code": null}, {"id": 137038, "name": "2011", "code": null}, {"id": 137039, "name": "2012", "code": null}, {"id": 137040, "name": "2013", "code": null}, {"id": 137041, "name": "2014", "code": null}, {"id": 137042, "name": "2015", "code": null}, {"id": 137043, "name": "2016", "code": null}, {"id": 370226, "name": "2017", "code": null}, {"id": 370227, "name": "2018", "code": null}, {"id": 370228, "name": "2019", "code": null}, {"id": 370229, "name": "2020", "code": null}, {"id": 370230, "name": "2021", "code": null}, {"id": 370231, "name": "2022", "code": null}, {"id": 370232, "name": "2023", "code": null}, {"id": 370187, "name": "2024", "code": null}, {"id": 371418, "name": "2025", "code": null}]}}, "origins": [{"id": 3572, "title": "Sea Ice Index", "producer": "National Snow and Ice Data Center", "citationFull": "Fetterer, F., K. Knowles, W. N. Meier, M. Savoie, and A. K. Windnagel. (2017). Sea Ice Index, Version 3 [Data Set]. Boulder, Colorado USA. National Snow and Ice Data Center. https://doi.org/10.7265/N5K072F8.", "attribution": "National Snow and Ice Data Center - Sea Ice Index (2025)", "attributionShort": "NSIDC", "versionProducer": "Version 3", "urlMain": "https://nsidc.org/data/g02135/", "urlDownload": "https://noaadata.apps.nsidc.org/NOAA/G02135/seaice_analysis/Sea_Ice_Index_Monthly_Data_by_Year_G02135_v3.0.xlsx", "dateAccessed": "2025-05-22", "datePublished": "2025-05-21", "license": {"name": "CC BY 4.0"}}]}