{"id": 1025693, "name": "Mean ozone hole area", "unit": "square kilometers", "createdAt": "2025-04-14T18:49:31.000Z", "updatedAt": "2025-04-14T18:49:31.000Z", "coverage": "", "timespan": "1979-2024", "datasetId": 7057, "shortUnit": "km\u00b2", "columnOrder": 0, "shortName": "mean_hole_area", "catalogPath": "grapher/nasa/2025-04-14/ozone_hole_area/ozone_hole_area#mean_hole_area", "descriptionShort": "Ozone hole area mean (07 September - 13 October) for each year.\n", "type": "int", "datasetName": "Ozone hole area and concentration", "updatePeriodDays": 365, "datasetVersion": "2025-04-14", "nonRedistributable": false, "display": {"unit": "square kilometers", "shortUnit": "km\u00b2"}, "schemaVersion": 2, "processingLevel": "minor", "presentation": {"topicTagsLinks": ["Ozone Layer"]}, "descriptionKey": ["The ozone hole area is determined from total ozone satellite measurements. It is defined to be that region of ozone values below 220 Dobson Units (DU) located south of 40\u00b0S. Values below 220 DU represent anthropogenic ozone losses over Antarctica."], "dimensions": {"years": {"values": [{"id": 1979}, {"id": 1980}, {"id": 1981}, {"id": 1982}, {"id": 1983}, {"id": 1984}, {"id": 1985}, {"id": 1986}, {"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}, {"id": 2023}, {"id": 2024}]}, "entities": {"values": [{"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "origins": [{"id": 3380, "titleSnapshot": "Ozone hole are and concentration, Part 2", "title": "Ozone hole area and concentration", "description": "Annual maximum and Antarctic stratospheric ozone hole area, resultant from the emission of ozone-depleting substances.\n\nMinimum and mean Southern Hemisphere daily ozone concentrations, measured in Dobson Units (DU).", "producer": "NASA Ozone Watch", "citationFull": "NASA, Goddard Space Flight Center. 2025. NASA Ozone Watch.", "attributionShort": "NASA", "urlMain": "http://ozonewatch.gsfc.nasa.gov/meteorology/annual_data.html", "urlDownload": "https://ozonewatch.gsfc.nasa.gov/statistics/ytd_data.txt", "dateAccessed": "2025-04-14", "datePublished": "2024-10-29", "license": {"url": "https://science.data.nasa.gov/license/", "name": "CC BY"}}]}