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Complete transcript available.

", "items": [ { "id": 243011, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 399362, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_2018Max1.jpg", "filename": "Ozone_2018Max1.jpg", "media_type": "Image", "alt_text": "Music: Saturn Echoes by Eddy Pradelles [SACEM]Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 243013, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 399363, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_2018Max1_searchweb.png", "filename": "Ozone_2018Max1_searchweb.png", "media_type": "Image", "alt_text": "Every year, the ozone hole over Antarctica reaches an annual maximum extent during southern winter. The depletion of ozone by chlorofluorocarbons (CFCs) happens faster at colder temperatures and slows down as temperatures warm, so each October, the ozone layer begins to heal again for the year.\n\r\nScientists from NASA and NOAA work together to track the ozone layer throughout the year and determine when the hole reaches its annual maximum extent. This year, the South Pole region of Antarctica was slightly colder than the previous few years, so the ozone hole grew larger. However, scientists from NASA have developed models to predict what the ozone layer would have looked like without the Montreal Protocol, which banned the release of CFCs. Although the 2018 hole was slightly larger than that of 2017 or 2016, it was still much smaller than it would have been without the Montreal Protocol.", "width": 180, "height": 320, "pixels": 57600 } }, { "id": 243014, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 399364, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_2018Max1_thm.png", "filename": "Ozone_2018Max1_thm.png", "media_type": "Image", "alt_text": "Music: Saturn Echoes by Eddy Pradelles [SACEM]Complete transcript available.", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 243012, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 399361, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_2018.mp4", "filename": "Ozone_2018.mp4", "media_type": "Movie", "alt_text": "Music: Saturn Echoes by Eddy Pradelles [SACEM]Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 243015, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 399365, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_2018.webm", "filename": "Ozone_2018.webm", "media_type": "Movie", "alt_text": "Music: Saturn Echoes by Eddy Pradelles [SACEM]Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 243016, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 850619, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_Captions.en_US.srt", "filename": "Ozone_Captions.en_US.srt", "media_type": "Captions", "alt_text": "Music: Saturn Echoes by Eddy Pradelles [SACEM]Complete transcript available.", "label": "English", "language_code": "" } }, { "id": 243017, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 850620, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013103/Ozone_Captions.en_US.vtt", "filename": "Ozone_Captions.en_US.vtt", "media_type": "Captions", "alt_text": "Music: Saturn Echoes by Eddy Pradelles [SACEM]Complete transcript available.", "label": "English", "language_code": "" } } ], "extra_data": {} }, { "id": 324972, "url": "https://svs.gsfc.nasa.gov/13103/#media_group_324972", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "Every year, the ozone hole over Antarctica reaches an annual maximum extent during southern winter. The depletion of ozone by chlorofluorocarbons (CFCs) happens faster at colder temperatures and slows down as temperatures warm, so each October, the ozone layer begins to heal again for the year.
\r
Scientists from NASA and NOAA work together to track the ozone layer throughout the year and determine when the hole reaches its annual maximum extent. This year, the South Pole region of Antarctica was slightly colder than the previous few years, so the ozone hole grew larger. However, scientists from NASA have developed models to predict what the ozone layer would have looked like without the Montreal Protocol, which banned the release of CFCs. Although the 2018 hole was slightly larger than that of 2017 or 2016, it was still much smaller than it would have been without the Montreal Protocol.", "items": [], "extra_data": {} } ], "studio": "gms", "funding_sources": [ "ESE" ], "credits": [ { "role": "Producer", "people": [ { "name": "Kathryn Mersmann", "employer": "USRA" } ] }, { "role": "Writer", "people": [ { "name": "Ellen T. Gray", "employer": "ADNET Systems, Inc." }, { "name": "Theo Stein", "employer": "NOAA" } ] }, { "role": "Scientist", "people": [ { "name": "Paul Newman", "employer": "NASA/GSFC" } ] }, { "role": "Visualizer", "people": [ { "name": "Eric Nash", "employer": "SSAI" } ] }, { "role": "Technical support", "people": [ { "name": "Aaron E. Lepsch", "employer": "ADNET Systems, Inc." } ] } ], "missions": [], "series": [ "Narrated Movies" ], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Earth" ], "keywords": [ "Atmosphere", "Atmospheric Chemistry/Oxygen Compounds", "Atmospheric science", "Chlorofluorocarbons", "Earth Science", "Montreal Protocol", "ozone", "Ozone depletion", "Ozone Hole", "South Pole" ], "recommended_pages": [], "related": [ { "id": 13349, "url": "https://svs.gsfc.nasa.gov/13349/", "page_type": "Produced Video", "title": "Unusual Winds Drive a Small 2019 Ozone Hole", "description": "Every year, NASA and NOAA track the hole in the ozone layer over Antarctica as it grows to its annual winter maximum. This year, the hole was smaller than expected, due to an unusual weather pattern in the stratosphere. || ", "release_date": "2019-10-21T10:00:00-04:00", "update_date": "2023-05-03T13:45:34.293481-04:00", "main_image": { "id": 391985, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013300/a013349/Max.png", "filename": "Max.png", "media_type": "Image", "alt_text": "Music: Life Choices by Eric Chevalier [SACEM]Complete transcript available.", "width": 1776, "height": 997, "pixels": 1770672 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }