{ "id": 13198, "url": "https://svs.gsfc.nasa.gov/13198/", "page_type": "Produced Video", "title": "Human Influence on Global Droughts Goes Back 100 Years", "description": "Music: In Light of Things by Matthew Charles Gilbert DavidsonComplete transcript available. || Hydroclimate_Thumbnail.png (1920x1080) [3.1 MB] || Hydroclimate_Thumbnail_print.jpg (1024x576) [166.5 KB] || Hydroclimate_Thumbnail_searchweb.png (320x180) [114.8 KB] || Hydroclimate_Thumbnail_thm.png (80x40) [7.6 KB] || Hydroclimate.mov (1920x1080) [2.5 GB] || Hydroclimate_highres.mp4 (1920x1080) [330.6 MB] || Hydroclimate_V4.en_US.srt [1.8 KB] || Hydroclimate_V4.en_US.vtt [1.8 KB] || Hydroclimate.webm (0x0) [0 bytes] || ", "release_date": "2019-05-01T13:00:00-04:00", "update_date": "2023-05-03T13:45:58.985703-04:00", "main_image": { "id": 396071, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013198/Hydroclimate_Thumbnail.png", "filename": "Hydroclimate_Thumbnail.png", "media_type": "Image", "alt_text": "Music: In Light of Things by Matthew Charles Gilbert DavidsonComplete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 }, "main_video": { "id": 396070, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013100/a013198/Hydroclimate.mov", "filename": "Hydroclimate.mov", "media_type": "Movie", "alt_text": "Music: In Light of Things by Matthew Charles Gilbert DavidsonComplete transcript available.", "width": 1920, "height": 1080, "pixels": 2073600 }, "progress": "Complete", "media_groups": [ { "id": 323757, "url": "https://svs.gsfc.nasa.gov/13198/#media_group_323757", "widget": "Video player", "title": "", "caption": "", "description": "Music: In Light of Things by Matthew Charles Gilbert Davidson

Complete transcript available.

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\r
The study, published in the journal Nature, compared predicted and real-world soil moisture data to look for human influences on global drought patterns in the 20th century. Climate models predict that a human “fingerprint” – a global pattern of regional drying and wetting characteristic of the climate response to greenhouse gases – should be visible early in the 1900’s and increase over time as emissions increased. Using observational data such as precipitation and historical data reconstructed from tree rings, the researchers found that the real-world data began to align with the fingerprint within the first half of the 20th century.\r
\r
The team said the study is the first to provide historical evidence connecting human-generated emissions and drought at near-global scales, lending credibility to forward-looking models that predict such a connection. According to the new research, the fingerprint is likely to grow stronger over the next few decades, potentially leading to severe human consequences.", "items": [], "extra_data": {} } ], "studio": "GMS", "funding_sources": [ "ESE" ], "credits": [ { "role": "Producer", "people": [ { "name": "LK Ward", "employer": "USRA" } ] }, { "role": "Writer", "people": [ { "name": "Jessica Merzdorf", "employer": "Telophase" } ] }, { "role": "Visualizer", "people": [ { "name": "Kel Elkins", "employer": "USRA" } ] }, { "role": "Scientist", "people": [ { "name": "Kate Marvel", "employer": "NASA/GSFC GISS" }, { "name": "Benjamin I. Cook", "employer": "NASA/GSFC GISS" } ] }, { "role": "Technical support", "people": [ { "name": "Aaron E. Lepsch", "employer": "ADNET Systems, Inc." } ] } ], "missions": [], "series": [ "Narrated Movies" ], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Earth" ], "keywords": [ "Agriculture", "Climate", "Climate Indicators", "Drought", "Drought Indices", "Earth Science", "Greenhouse Gases", "Land Records", "Paleoclimate", "Palmer Drought Severity Index", "Soil Moisture/Water Content", "Soil science", "Soils", "Tree Rings" ], "recommended_pages": [], "related": [], "sources": [], "products": [ { "id": 4464, "url": "https://svs.gsfc.nasa.gov/4464/", "page_type": "Visualization", "title": "Using Tree Rings to Study Human Influence on Hydroclimate", "description": "This visualization displays a global drought atlas dating back to 1400, created using data from tree rings. The data is displayed on a flat rectangular map projection with a simple overlay depicting the differences in tree ring sizes for dry and wet years. In the second half of the visualization, a ‘fingerprint’ thumbnail is introduced, which is an indicator for human influences on climate change. A signal-to-noise ratio graph is depicted comparing the fingerprint to both tree ring drought atlas data and observational meteorological data (CRU and Dai) || hydroclimate_comp5_4k_1210_print.jpg (1024x576) [62.1 KB] || hydroclimate_comp5_4k_1210_searchweb.png (320x180) [41.3 KB] || hydroclimate_comp5_4k_1210_thm.png (80x40) [4.9 KB] || hydroclimate_comp5_1080p30.mp4 (1920x1080) [9.4 MB] || frames/3840x2160_16x9_30p/TreeRing_hydroclimate_comp/ (3840x2160) [128.0 KB] || hydroclimate_comp5_4k_2160p30.mp4 (3840x2160) [25.6 MB] || hydroclimate_comp5_4k_2160p30.webm (3840x2160) [7.6 MB] || ", "release_date": "2018-12-14T00:00:00-05:00", "update_date": "2023-11-15T00:09:23.515218-05:00", "main_image": { "id": 398389, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004400/a004464/hydroclimate_comp5_4k_1210_print.jpg", "filename": "hydroclimate_comp5_4k_1210_print.jpg", "media_type": "Image", "alt_text": "This visualization displays a global drought atlas dating back to 1400, created using data from tree rings. The data is displayed on a flat rectangular map projection with a simple overlay depicting the differences in tree ring sizes for dry and wet years. In the second half of the visualization, a ‘fingerprint’ thumbnail is introduced, which is an indicator for human influences on climate change. A signal-to-noise ratio graph is depicted comparing the fingerprint to both tree ring drought atlas data and observational meteorological data (CRU and Dai)", "width": 1024, "height": 576, "pixels": 589824 } } ], "newer_versions": [], "older_versions": [], "alternate_versions": [] }