{"id": 1033292, "name": "Cumulative change in mass in the ice sheets, according to NASA/JPL", "unit": "billion tonnes", "createdAt": "2025-05-22T15:25:55.000Z", "updatedAt": "2025-05-26T07:39:28.000Z", "coverage": "", "timespan": "", "datasetId": 7103, "shortUnit": "billion t", "columnOrder": 0, "shortName": "land_ice_mass_nasa", "catalogPath": "grapher/climate/2025-05-22/climate_change_impacts_monthly/climate_change_impacts_monthly#land_ice_mass_nasa", "descriptionShort": "Measured in billion tonnes.", "type": "float", "dataChecksum": "3488332787294158272", "metadataChecksum": "-7580777456745063566", "datasetName": "Climate Change Impacts - Monthly", "updatePeriodDays": 60, "datasetVersion": "2025-05-22", "nonRedistributable": false, "display": {"name": "Seasonal variation", "unit": "billion tonnes", "zeroDay": "1850-01-15", "shortUnit": "billion t", "yearIsDay": true}, "schemaVersion": 2, "processingLevel": "major", "presentation": {"titlePublic": "Cumulative change in mass in the ice sheets, according to NASA/JPL", "titleVariant": "NASA/JPL", "topicTagsLinks": ["Climate Change"]}, "descriptionKey": ["Values are centered at zero in 2002 to provide a consistent point of reference.", "A downward slope indicates a net loss of ice and snow.", "For reference, 1,000 billion metric tons is enough to raise sea level by about 3 millimeters."], "dimensions": {"years": {"values": [{"id": 55608}, {"id": 55630}, {"id": 55728}, {"id": 55761}, {"id": 55790}, {"id": 55819}, {"id": 55852}, {"id": 55882}, {"id": 55911}, {"id": 55940}, {"id": 55973}, {"id": 55999}, {"id": 56064}, {"id": 56093}, {"id": 56126}, {"id": 56155}, {"id": 56184}, {"id": 56217}, {"id": 56240}, {"id": 56280}, {"id": 56309}, {"id": 56338}, {"id": 56367}, {"id": 56400}, {"id": 56429}, {"id": 56458}, {"id": 56491}, {"id": 56520}, {"id": 56549}, {"id": 56582}, {"id": 56613}, {"id": 56642}, {"id": 56671}, {"id": 56704}, {"id": 56733}, {"id": 56766}, {"id": 56795}, {"id": 56824}, {"id": 56857}, {"id": 56886}, {"id": 56915}, {"id": 56948}, {"id": 56978}, {"id": 57007}, {"id": 57036}, {"id": 57069}, {"id": 57098}, {"id": 57127}, {"id": 57160}, {"id": 57189}, {"id": 57222}, {"id": 57251}, {"id": 57280}, {"id": 57313}, {"id": 57343}, {"id": 57372}, {"id": 57401}, {"id": 57434}, {"id": 57463}, {"id": 57492}, {"id": 57525}, {"id": 57554}, {"id": 57587}, {"id": 57616}, {"id": 57645}, {"id": 57678}, {"id": 57708}, {"id": 57737}, {"id": 57770}, {"id": 57799}, {"id": 57828}, {"id": 57861}, {"id": 57890}, {"id": 57919}, {"id": 57952}, {"id": 57981}, {"id": 58010}, {"id": 58043}, {"id": 58074}, {"id": 58103}, {"id": 58132}, {"id": 58165}, {"id": 58194}, {"id": 58227}, {"id": 58256}, {"id": 58285}, {"id": 58318}, {"id": 58347}, {"id": 58376}, {"id": 58409}, {"id": 58439}, {"id": 58468}, {"id": 58497}, {"id": 58530}, {"id": 58559}, {"id": 58588}, {"id": 58621}, {"id": 58650}, {"id": 58683}, {"id": 58712}, {"id": 58741}, {"id": 58771}, {"id": 58837}, {"id": 58862}, {"id": 58895}, {"id": 58924}, {"id": 58986}, {"id": 59015}, {"id": 59048}, {"id": 59077}, {"id": 59092}, {"id": 59155}, {"id": 59169}, {"id": 59198}, {"id": 59231}, {"id": 59249}, {"id": 59322}, {"id": 59351}, {"id": 59380}, {"id": 59409}, {"id": 59475}, {"id": 59504}, {"id": 59535}, {"id": 59564}, {"id": 59630}, {"id": 59655}, {"id": 59688}, {"id": 59717}, {"id": 59808}, {"id": 59837}, {"id": 59870}, {"id": 59893}, {"id": 59958}, {"id": 59991}, {"id": 60020}, {"id": 60049}, {"id": 60111}, {"id": 60144}, {"id": 60173}, {"id": 60206}, {"id": 60272}, {"id": 60294}, {"id": 60323}, {"id": 60356}, {"id": 60367}, {"id": 60444}, {"id": 60476}, {"id": 60505}, {"id": 60607}, {"id": 60630}, {"id": 60659}, {"id": 60692}, {"id": 60754}, {"id": 60783}, {"id": 60812}, {"id": 60849}, {"id": 60947}, {"id": 60972}, {"id": 61003}, {"id": 61073}, {"id": 61094}, {"id": 61113}, {"id": 61142}, {"id": 61510}, {"id": 61536}, {"id": 61649}, {"id": 61663}, {"id": 61696}, {"id": 61726}, {"id": 61755}, {"id": 61784}, {"id": 61817}, {"id": 61846}, {"id": 61875}, {"id": 61908}, {"id": 61937}, {"id": 61970}, {"id": 61999}, {"id": 62028}, {"id": 62061}, {"id": 62091}, {"id": 62120}, {"id": 62153}, {"id": 62182}, {"id": 62211}, {"id": 62244}, {"id": 62273}, {"id": 62302}, {"id": 62335}, {"id": 62364}, {"id": 62393}, {"id": 62426}]}, "entities": {"values": [{"id": 346, "name": "Antarctica", "code": "ATA"}, {"id": 205, "name": "Greenland", "code": "GRL"}]}}, "origins": [{"id": 606, "title": "Climate Change Indicators: Ice Sheets", "description": "This dataset includes the cumulative change in mass in the ice sheets of Greenland and Antarctica since 1992.\n\nThis indicator is presented in two different ways, based on two different sources:\n* IMBIE, an average value based on more than 20 different studies.\n  * The uncertainty estimates from the various datasets that feed into the combined average.\n* NASA JPL: A commonly cited analysis by NASA JPL, which includes seasonal variations.\n\nAll estimates are centered at zero in 2002 to provide a consistent point of reference. Thus, a downward slope indicates a net loss of ice and snow.\nFor reference, 1,000 billion metric tons is equal to about 260 cubic miles of ice\u2014enough to raise sea level by about 3 millimeters.", "producer": "United States Environmental Protection Agency", "citationFull": "United States Environmental Protection Agency (EPA) - Climate Change Indicators: Ice Sheets (2021)\n\nFull citation of the original sources:\n* IMBIE (Ice sheet Mass Balance Inter-comparison Exercise team). 2018. Mass balance of the Antarctic Ice Sheet from 1992 to 2017. Nature 558:219-222. doi:10.1038/s41586-018-0179-y\n* IMBIE (Ice sheet Mass Balance Inter-comparison Exercise team). 2020. Mass balance of the Greenland Ice sheet from 1992 to 2018. Nature in press. doi:10.1038/s41586-019-1855-2\n* NASA (National Aeronautics and Space Administration). 2021. Vital signs: Land ice. Antarctica and Greenland mass variation since 2002. Accessed March 2021. https://climate.nasa.gov/vital-signs/land-ice\n\nMore details can be found on [their technical documentation](https://www.epa.gov/sites/default/files/2021-04/documents/ice-sheets_td.pdf).", "attribution": "EPA based on various sources (2021)", "attributionShort": "EPA", "urlMain": "https://www.epa.gov/climate-indicators/climate-change-indicators-ice-sheets", "urlDownload": "https://www.epa.gov/sites/default/files/2021-04/ice_sheets_fig-1.csv", "dateAccessed": "2024-04-17", "datePublished": "2021-04-01", "license": {"url": "https://edg.epa.gov/epa_data_license.html", "name": "Public domain"}}]}