{
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    "url": "https://svs.gsfc.nasa.gov/4415/",
    "page_type": "Visualization",
    "title": "Terrestrial Water Storage Anomaly 2002 - 2015",
    "description": "Animation showing Terrestrial Water Storage Anomaly (TWSA) data from 2002 to 2015. Browns indicate areas with less ground water than normal and greens are areas with more ground water than normal, which correlates to droughts and floods in these various regions.This video is also available on our YouTube channel. || grace_anom_comp_v2.4991_print.jpg (1024x576) [124.4 KB] || grace_anom_comp_v2.4991_searchweb.png (320x180) [70.7 KB] || grace_anom_comp_v2.4991_thm.png (80x40) [6.3 KB] || grace_anom_comp_v2_2x_1080p30.mp4 (1920x1080) [25.8 MB] || grace_anom_comp_v2_2x_1080p30.webm (1920x1080) [8.7 MB] || frames/1920x1080_16x9_60p/composite/ (1920x1080) [512.0 KB] || frames/1920x1080_16x9_60p/robinson_projection/ (1920x1080) [256.0 KB] || frames/1920x1080_16x9_60p/dates/ (1920x1080) [256.0 KB] || ",
    "release_date": "2016-01-06T00:00:00-05:00",
    "update_date": "2023-11-14T00:07:34.346187-05:00",
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        "alt_text": "Animation showing Terrestrial Water Storage Anomaly (TWSA) data from 2002 to 2015. Browns indicate areas with less ground water than normal and greens are areas with more ground water than normal, which correlates to droughts and floods in these various regions.This video is also available on our YouTube channel.",
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        "alt_text": "Animation showing Terrestrial Water Storage Anomaly (TWSA) data from 2002 to 2015. Browns indicate areas with less ground water than normal and greens are areas with more ground water than normal, which correlates to droughts and floods in these various regions.This video is also available on our YouTube channel.",
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                        "alt_text": "Animation showing Terrestrial Water Storage Anomaly (TWSA) data from 2002 to 2015. Browns indicate areas with less ground water than normal and greens are areas with more ground water than normal, which correlates to droughts and floods in these various regions.This video is also available on our YouTube channel.",
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            "description": "A pair of experimental twin satellites called the Gravity Recovery And Climate Experiment, or \"GRACE\", were launched in March 2002. Since then they have been collecting gravity measurements which scientists use to derive Terrestrial Water Storage Anomalies (TWSA). TWSA can then be used as an indicator for drought and flood conditions across the globe. For more information on the GRACE mission please visit <a href=\"http://www.nasa.gov/mission_pages/Grace/\"> http://www.nasa.gov/mission_pages/Grace/ </a>",
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            "description": "Colorbar showing Terrestrial Water Storage Anomalies (in centimeters). Browns indicate lower than average ground water saturation, whereas greens represent areas with more ground water than normal.",
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                        "alt_text": "Colorbar showing Terrestrial Water Storage Anomalies (in centimeters). Browns indicate lower than average ground water saturation, whereas greens represent areas with more ground water than normal.",
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    "studio": "SVS",
    "funding_sources": [
        "ESE"
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    "credits": [
        {
            "role": "Visualizer",
            "people": [
                {
                    "name": "Alex Kekesi",
                    "employer": "Global Science and Technology, Inc."
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                    "name": "Cindy Starr",
                    "employer": "Global Science and Technology, Inc."
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                {
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                    "name": "Doug C. Morton",
                    "employer": "NASA/GSFC"
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                    "name": "Yang Chen",
                    "employer": "University of California, Irvine"
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                {
                    "name": "Jim Randerson",
                    "employer": "University of California, Irvine"
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            "date_range": "1/2002 - 9/2015"
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    "nasa_science_categories": [
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    "keywords": [
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        "Earth Science",
        "Ecology",
        "Hyperwall",
        "Natural hazards",
        "Terrestrial Hydrosphere",
        "Terrestrial Hydrosphere Indicators"
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    "recommended_pages": [],
    "related": [
        {
            "id": 4413,
            "url": "https://svs.gsfc.nasa.gov/4413/",
            "page_type": "Visualization",
            "title": "Sea Surface Temperature Anomaly and Terrestrial Water Storage Anomaly Comparison",
            "description": "Animation showing Sea Surface Temperature Anomaly (SSTA) and Terrestrial Water Storage Anomaly (TWSA) data from 2002 to 2015 simultaneously. For SSTA data, blues indicate temperatures lower than normal and reds are areas warmer than normal. With this data we can see the comings and goings of El Niño and La Niña across the years. For the TWSA data, browns indicate areas with less ground water than normal and greens are areas with more ground water than normal, which correlates to droughts and floods in these various regions. Furthermore, terrestrial areas that show significant amounts of low water storage are much more sensitive to wildfires. || grace_w_ssta_rob2.4991_print.jpg (1024x576) [133.2 KB] || grace_w_ssta_rob2.4991_searchweb.png (320x180) [91.1 KB] || grace_w_ssta_rob2.4991_thm.png (80x40) [7.7 KB] || grace_w_ssta_rob2_2x_1080p30.mp4 (1920x1080) [41.8 MB] || frames/1920x1080_16x9_60p/composite/ (1920x1080) [512.0 KB] || frames/1920x1080_16x9_60p/robinson_projection/ (1920x1080) [256.0 KB] || frames/1920x1080_16x9_60p/dates/ (1920x1080) [256.0 KB] || grace_w_ssta_rob2_2x_1080p30.webm (1920x1080) [9.8 MB] || ",
            "release_date": "2016-01-07T00:00:00-05:00",
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                "media_type": "Image",
                "alt_text": "Animation showing Sea Surface Temperature Anomaly (SSTA) and Terrestrial Water Storage Anomaly (TWSA) data from 2002 to 2015 simultaneously. For SSTA data, blues indicate temperatures lower than normal and reds are areas warmer than normal. With this data we can see the comings and goings of El Niño and La Niña across the years. For the TWSA data, browns indicate areas with less ground water than normal and greens are areas with more ground water than normal, which correlates to droughts and floods in these various regions. Furthermore, terrestrial areas that show significant amounts of low water storage are much more sensitive to wildfires.",
                "width": 1024,
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        },
        {
            "id": 4407,
            "url": "https://svs.gsfc.nasa.gov/4407/",
            "page_type": "Visualization",
            "title": "Monthly burned area from the Global Fire Emissions Database (GFED)",
            "description": "The final animation of the monthly burned area percent shown in the Robinson projection with a colorbar and date overlay || comp_burned_area_pct.2234_print.jpg (1024x576) [128.4 KB] || comp_burned_area_pct.2234_searchweb.png (320x180) [78.4 KB] || comp_burned_area_pct.2234_thm.png (80x40) [6.4 KB] || comp_burned_area_pct.2234_web.png (320x180) [78.4 KB] || comp_burned_area_pct_1080p30.mp4 (1920x1080) [44.1 MB] || comp_burned_area_pct_1080p30.webm (1920x1080) [8.4 MB] || frames/1920x1080_16x9_30p/robinson_final/ (1920x1080) [256.0 KB] || Comp_burned_area_pct_720p30.mp4 (1280x720) [26.2 MB] || comp_burned_area_pct_4k_2160p30.mp4 (3840x2160) [142.3 MB] || frames/3840x2160_16x9_30p/robinson_final/ (3840x2160) [256.0 KB] || comp_burned_area_4407.key [29.7 MB] || comp_burned_area_4407.pptx [27.1 MB] || ",
            "release_date": "2015-12-15T11:00:00-05:00",
            "update_date": "2023-11-14T00:07:28.259938-05:00",
            "main_image": {
                "id": 437022,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004400/a004407/comp_burned_area_pct.2234_print.jpg",
                "filename": "comp_burned_area_pct.2234_print.jpg",
                "media_type": "Image",
                "alt_text": "The final animation of the monthly burned area percent shown in the Robinson projection with a colorbar and date overlay",
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                "pixels": 589824
            }
        }
    ],
    "sources": [],
    "products": [],
    "newer_versions": [
        {
            "id": 4476,
            "url": "https://svs.gsfc.nasa.gov/4476/",
            "page_type": "Visualization",
            "title": "Global Terrestrial Water Storage Anomaly (March 2015 - March 2016)",
            "description": "Animation showing Terrestrial Water Storage Anomaly (TWSA) data from March 2015 to March 2016. Shades of orange indicate areas with less ground water than normal and shades of blue are areas with more ground water than normal, which correlates to droughts and floods in these various regions. || globgrace2016.0365_print.jpg (1024x576) [154.1 KB] || globgrace2016.0365_searchweb.png (320x180) [67.2 KB] || globgrace2016.0365_thm.png (80x40) [6.2 KB] || globgrace2016_1080p30.mp4 (1920x1080) [5.8 MB] || globgrace2016_720p30.mp4 (1280x720) [3.2 MB] || frames/1920x1080_16x9_30p/dates/ (1920x1080) [16.0 KB] || globgrace2016_1080p30.webm (1920x1080) [1.2 MB] || globgrace2016_2160p30.mp4 (3840x2160) [17.0 MB] || globgrace2016_360p30.mp4 (640x360) [1.1 MB] || frames/3840x2160_16x9_30p/example_composite/ (3840x2160) [32.0 KB] || frames/3840x2160_16x9_30p/robinson_projection/ (3840x2160) [64.0 KB] || ",
            "release_date": "2016-07-28T18:00:00-04:00",
            "update_date": "2023-11-14T00:08:02.606153-05:00",
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                "media_type": "Image",
                "alt_text": "Animation showing Terrestrial Water Storage Anomaly (TWSA) data from March 2015 to March 2016. Shades of orange indicate areas with less ground water than normal and shades of blue are areas with more ground water than normal, which correlates to droughts and floods in these various regions.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
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    ],
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}