{ "id": 13699, "url": "https://svs.gsfc.nasa.gov/13699/", "page_type": "Produced Video", "title": "Tracking Three Decades of Dramatic Glacial Lake Growth", "description": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available. || ImjaLake.jpg (1920x1080) [1.2 MB] || ImjaLake_print.jpg (1024x576) [382.8 KB] || ImjaLake_searchweb.png (320x180) [109.6 KB] || ImjaLake_web.png (320x180) [109.6 KB] || ImjaLake_thm.png (80x40) [7.5 KB] || 13699_GlacierLake820.mov (1920x1080) [1.9 GB] || 13699_GlacierLake820.mp4 (1920x1080) [138.4 MB] || 13699_GlacierLake820.webm (1920x1080) [15.0 MB] || GlacierLake820.en_US.srt [2.1 KB] || GlacierLake820.en_US.vtt [2.1 KB] || ", "release_date": "2020-08-31T11:00:00-04:00", "update_date": "2023-05-03T13:44:44.011351-04:00", "main_image": { "id": 383273, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/ImjaLake.jpg", "filename": "ImjaLake.jpg", "media_type": "Image", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 }, "main_video": { "id": 383268, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/13699_GlacierLake820.mov", "filename": "13699_GlacierLake820.mov", "media_type": "Movie", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 }, "main_credits": { "Scientific consulting by": [ { "name": "Dan Shugar", "employer": "University of Calgary" } ], "Produced by": [ { "name": "Katie Jepson", "employer": "USRA" } ], "Written by": [ { "name": "Ellen T. Gray", "employer": "ADNET Systems, Inc." } ], "Visualizations by": [ { "name": "Helen-Nicole Kostis", "employer": "USRA" }, { "name": "Greg Shirah", "employer": "NASA/GSFC" } ] }, "progress": "Complete", "media_groups": [ { "id": 319179, "url": "https://svs.gsfc.nasa.gov/13699/#media_group_319179", "widget": "Video player", "title": "", "caption": "", "description": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]

This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.

Complete transcript available.

", "items": [ { "id": 226076, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383273, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/ImjaLake.jpg", "filename": "ImjaLake.jpg", "media_type": "Image", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 226077, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383271, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/ImjaLake_print.jpg", "filename": "ImjaLake_print.jpg", "media_type": "Image", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 226078, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383270, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/ImjaLake_searchweb.png", "filename": "ImjaLake_searchweb.png", "media_type": "Image", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 226079, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383266, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/ImjaLake_web.png", "filename": "ImjaLake_web.png", "media_type": "Image", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 226080, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383267, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/ImjaLake_thm.png", "filename": "ImjaLake_thm.png", "media_type": "Image", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 80, "height": 40, "pixels": 3200 } }, { "id": 226071, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383268, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/13699_GlacierLake820.mov", "filename": "13699_GlacierLake820.mov", "media_type": "Movie", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 226072, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383269, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/13699_GlacierLake820.mp4", "filename": "13699_GlacierLake820.mp4", "media_type": "Movie", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 226073, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 383272, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/13699_GlacierLake820.webm", "filename": "13699_GlacierLake820.webm", "media_type": "Movie", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 226074, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 849309, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/GlacierLake820.en_US.srt", "filename": "GlacierLake820.en_US.srt", "media_type": "Captions", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "label": "English", "language_code": "" } }, { "id": 226075, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 849310, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013699/GlacierLake820.en_US.vtt", "filename": "GlacierLake820.en_US.vtt", "media_type": "Captions", "alt_text": "Music: \"Dew\" by Matthew Nicholson [PRS], Suki Jeanette Finn [PRS]This video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by pond5.com is obtained through permission and may not be excised or remixed in other products. Specific details on stock footage may be found here. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.html.Complete transcript available.", "label": "English", "language_code": "" } } ], "extra_data": {} }, { "id": 319180, "url": "https://svs.gsfc.nasa.gov/13699/#media_group_319180", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "In the largest-ever study of glacial lakes, researchers using a 30-year satellite data record have found that the volume of these lakes worldwide has increased by about 50% since 1990 as glaciers melt and retreat due to climate change.

Glacial lakes are not stable because they are often dammed by ice or glacial sediment called a moraine, which is loose rock and debris that is pushed to the front and sides of glacier. Rather, they can burst their banks or dams, causing massive floods downstream. These kinds of floods from glacial lakes, also known as glacial lake outburst floods, have been responsible for thousands of deaths over the last century, as well as the destruction of villages, infrastructure and livestock.

Until now climate models that translated glacier melt into sea level change assumed that water from glacier melt is instantaneously transported to the oceans, which presented an incomplete picture. Therefore, understanding how much of glacial meltwater is stored in lakes or groundwater underscores the importance of studying and monitoring glacial lakes worldwide.

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Rapid worldwide growth of glacial lakes since 1990. Nature Climate Change. https://doi.org/10.1038/s41558-020-0855-4", "Shugar, DH, Burr, A, Haritashya, UK, Kargel, JS, Watson, CS, Kennedy, MC, Bevington, AR, Betts, RA, Harrison, S, Strattman, K. 2020. Rapid worldwide growth of glacial lakes since 1990. Nature Climate Change. https://doi.org/10.1038/s41558-020-0855-4" ], "datasets": [], "nasa_science_categories": [ "Earth" ], "keywords": [ "Climate Indicators", "Climate Variability and Change", "Cryosphere", "Cryospheric Indicators", "Earth Science", "Glacial Lakes", "Glacial Measurements", "Glaciers/Ice Sheets", "Human Dimensions", "Human geography", "Landsat", "Natural hazards" ], "recommended_pages": [], "related": [], "sources": [ { "id": 4834, "url": "https://svs.gsfc.nasa.gov/4834/", "page_type": "Visualization", "title": "First Global Survey of Glacial Lakes Shows 30-Years of Dramatic Growth", "description": "Data visualization featuring the glacier rich region of the Himalayas, along with many of Earth’s highest peaks. The visualization sequence starts with a wide view of the Tibetan plateau and moves along a hiking path highlighting Mt. Everest, Mt. Lhotse, Mt Nuptse, the Everest Base Camp, the Khumbhu glacier, all the way to Imja Lake. Moving to a top-down view of Imja Lake, a time series of Landsat data unveils its dramatic growth for the period 1989-2019.This video is also available on our YouTube channel. || imja_final_4k.4600_print.jpg (1024x576) [114.8 KB] || imja_final_4k.4600_searchweb.png (320x180) [101.5 KB] || imja_final_4k.4600_web.png (320x180) [101.5 KB] || imja_final_4k.4600_thm.png (80x40) [7.5 KB] || imja_final_HD_1080p60.mp4 (1920x1080) [72.9 MB] || 1920x1080_16x9_60p (1920x1080) [0 Item(s)] || imja_final_HD_1080p60.webm (1920x1080) [19.7 MB] || with_cities (3840x2160) [0 Item(s)] || captions_silent.30013.en_US.srt [43 bytes] || imja_final_4k_2160p60.mp4 (3840x2160) [215.1 MB] || imja_final_2160p60_prores.mov (3840x2160) [16.9 GB] || ", "release_date": "2020-08-31T11:00:00-04:00", "update_date": "2025-01-06T00:03:01.527098-05:00", "main_image": { "id": 383834, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004834/imja_final_4k.4600_print.jpg", "filename": "imja_final_4k.4600_print.jpg", "media_type": "Image", "alt_text": "Data visualization featuring the glacier rich region of the Himalayas, along with many of Earth’s highest peaks. The visualization sequence starts with a wide view of the Tibetan plateau and moves along a hiking path highlighting Mt. Everest, Mt. Lhotse, Mt Nuptse, the Everest Base Camp, the Khumbhu glacier, all the way to Imja Lake. Moving to a top-down view of Imja Lake, a time series of Landsat data unveils its dramatic growth for the period 1989-2019.This video is also available on our YouTube channel.", "width": 1024, "height": 576, "pixels": 589824 } } ], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }