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    "results": [
        {
            "id": 5548,
            "url": "https://svs.gsfc.nasa.gov/5548/",
            "result_type": "Visualization",
            "release_date": "2025-06-05T07:00:59-04:00",
            "title": "Global Views of PACE Land Vegetation Data",
            "description": "Global view of three major classes of plant pigments observed by the PACE satellite: chlorophylls, carotenoids, and anthocyanins.",
            "hits": 193
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        {
            "id": 13723,
            "url": "https://svs.gsfc.nasa.gov/13723/",
            "result_type": "Produced Video",
            "release_date": "2020-09-22T11:00:00-04:00",
            "title": "Arctic Greening Driven by Warmer Temperatures",
            "description": "Data from NASA/USGS Landsat satellites show that during 1985-2016, vegetation in the arctic tundra showed a 38% increase in greenness – representing plants growing more, becoming denser, and/or shrubs encroaching on typical tundra grasses and moss.Complete transcript available.Music:  The Rework, by Josslin Bordat [SACEM], published by Koka Media [SACEM], available from Universal Production Music || 13723_ArcticGreening-468.jpg (1421x800) [140.8 KB] || 13723_ArcticGreening-468_searchweb.png (320x180) [87.7 KB] || 13723_ArcticGreening-468_thm.png (80x40) [11.2 KB] || 13723_ArcticGreening-v2.mp4 (1920x1080) [110.1 MB] || 13723_ArcticGreening-v2-twitter.mp4 (1920x1080) [34.0 MB] || 13723_ArcticGreening-v2.webm (1920x1080) [12.0 MB] || 13723_ArcticGreening-v2.en_US.srt [2.0 KB] || 13723_ArcticGreening-v2.en_US.vtt [2.0 KB] || ",
            "hits": 68
        },
        {
            "id": 4800,
            "url": "https://svs.gsfc.nasa.gov/4800/",
            "result_type": "Visualization",
            "release_date": "2020-03-19T14:00:00-04:00",
            "title": "JPSS Green Vegetation Fraction (GVF)",
            "description": "The visualization depicts Green Vegetation Fraction (GVF) based on data collected by the VIIRS instrument aboard the NOAA-20 satellite. || gvf_18.0550_print.jpg (1024x576) [90.7 KB] || gvf_18.0550_searchweb.png (320x180) [56.2 KB] || gvf_18.0550_thm.png (80x40) [6.0 KB] || jpss_gvf_02_1080p30.mp4 (1920x1080) [22.7 MB] || jpss_gvf_02_1080p30.webm (1920x1080) [5.3 MB] || jpss_gvf_02_2160p30.mp4 (3840x2160) [72.9 MB] || JPSS_Greening_02 (3840x2160) [0 Item(s)] || jpss_gvf_02_1080p30.mp4.hwshow [185 bytes] || ",
            "hits": 168
        },
        {
            "id": 12770,
            "url": "https://svs.gsfc.nasa.gov/12770/",
            "result_type": "Produced Video",
            "release_date": "2018-03-19T18:00:00-04:00",
            "title": "Harmonized Landsat 8 and Sentinel-2 Data",
            "description": "Landsat 8 and Sentinel-2 satellites have spectral and spatial similarities that make using their data together possible. When the data are used together observations can be more timely and accurate. The HLS project is an effort to \"harmonize\" the data of the two satellite programs so that they can be more easily used in unison. The ultimate goal is to obtain seamless 2-3 day global surface reflectance coverage at 30 meters that removes residual differences between the sensors due to spectral bandpass and view geometry. Currently the v1.3 HLS data set encompasses 82 global test sites that cover about 7% of the global land area.Using the processing power of the NASA Earth Exchange (NEX) computer cluster at NASA Ames, the HLS workflow atmospherically corrects data from the satellites, geographically tiles the Landsat data in a manor matching the Sentinel-2 tiling, and then corrects for different sensor view angles (Bidirectional Reflectance Distribution Function, or BRDF) and does a slight band pass adjustment for the Sentinel-2 data to create the harmonized 30-meter product.The HLS team includes researchers from NASA Goddard Space Flight Center, the University of Maryland, and NASA Ames Research Center. || ",
            "hits": 123
        },
        {
            "id": 4590,
            "url": "https://svs.gsfc.nasa.gov/4590/",
            "result_type": "Visualization",
            "release_date": "2017-10-27T00:00:00-04:00",
            "title": "Southern Africa Drought",
            "description": "When a giant swell of warm water, known as El Niño emerged in the Pacific Ocean in 2015, scientists knew to look for impacts.  As El Niño changed global weather patterns Southern Africa went into severe drought. On top of already dry conditions, the region experienced its lowest rainfall in 35 years.With the Soil Moisture Active Passive (SMAP) mission, launched in 2015, NASA has dedicated soil moisture measurements for the first time – and could see this severe drought emerging.  SMAP's highly sensitive microwave radiometer detects the energy emitted by soil depending on how wet or how dry it is.  The old gardener's trick is to squeeze a handful of dirt in your hand and see whether it clumps or falls apart. Think of SMAP doing the same thing – with a lot more precision, all around the world, every 3 days.SMAP allowed us to see a connection between Pacific Ocean water temperatures and the moisture of the soil in Southern Africa. These measurements are now being put to operational use more than ever. SMAP's data was fed into the USDA's global crop yield forecasts – the Foreign Agriculture Service reports that help drive multi-billion dollar commodity markets around the world. In fact, the Foreign Ag Service scientist for this region said that with SMAP they now have the first reliable soil moisture data in 30 years.As crops failed and soils were left bare, we used the Terra and Aqua satellites to assess these effects on the vegetation from a local to regional scale.  The Normalized Differential Vegetation Index (NDVI) reflects the health of vegetation on the land surface.As this drought spread across Southern Africa, nearly 30 million people were at risk of drastic food shortages. Four out of 10 people did not have access to clean drinking water.The analyses and data provided by NASA scientists are also critical to a USAID program called the Famine Early Warning Systems Network. As food crises arise, the global view provided by NASA scientists informs decisions about where governments and relief agencies should send help.In Southern Africa in 2015 and 2016, nearly 350 million dollars of emergency water and food aid were delivered, in part based on NASA data, to aid millions of people.As the peak of the drought hits in January 2016, the animations show the low soil moisture conditions in Zambia, Zimbabwe, and Botswana. Correspondingly the low vegetation appears in that region as well. || ",
            "hits": 52
        },
        {
            "id": 12225,
            "url": "https://svs.gsfc.nasa.gov/12225/",
            "result_type": "Produced Video",
            "release_date": "2016-06-02T09:50:00-04:00",
            "title": "Details of Arctic Greening in North America",
            "description": "NASA scientists used almost 30 years of data from the NASA/USGS Landsat satellites to track changes in vegetation in Alaska and Canada.  Of the more than 4 million square miles, 30% had increases in vegetation (greening) while only 3% had decreases (browning). This is the first study to produce a continent-scale map while still providing detailed information at the human scale.Music: \"Alaska,\" by Janik Riegert [GEMA], Josh Tapen [GEMA]Watch this video on the NASA Goddard YouTube channel. || 12225_Arctic_greening_MASTER_large.00140_print.jpg (1024x576) [212.8 KB] || 12225_Arctic_greening_MASTER_large.00140_searchweb.png (320x180) [111.9 KB] || 12225_Arctic_greening_MASTER_large.00140_thm.png (80x40) [6.8 KB] || 12225_Arctic_greening_MASTER_youtube_hq.mov (1920x1080) [781.8 MB] || 12225_Arctic_greening_MASTER_large.mp4 (1920x1080) [109.6 MB] || 12225_Arctic_greening_MASTER_appletv.m4v (1280x720) [53.8 MB] || 12225_Arctic_greening_MASTER.mpeg (1280x720) [368.4 MB] || 12225_Arctic_greening_MASTER_prores.mov (1280x720) [1.5 GB] || 12225_Arctic_greening_MASTER.webm (960x540) [43.9 MB] || 12225_Arctic_greening_MASTER_appletv_subtitles.m4v (1280x720) [53.8 MB] || 12225_Arctic_greening-captions.en_US.srt [105 bytes] || 12225_Arctic_greening-captions.en_US.vtt [118 bytes] || 12225_Arctic_greening_MASTER_ipod_sm.mp4 (320x240) [19.2 MB] || ",
            "hits": 207
        },
        {
            "id": 3523,
            "url": "https://svs.gsfc.nasa.gov/3523/",
            "result_type": "Visualization",
            "release_date": "2008-01-07T00:00:00-05:00",
            "title": "Seasonal Landcover for Science On a Sphere",
            "description": "The Blue Marble Next Generation (BMNG) data set provides a monthly global cloud-free true-color picture of the Earth's land cover at a 500-meter spatial resolution. This series of images fades from month to month showing seasonal variations such as snowfall, spring greening and droughts in a seamless fashion. The data set,derived from monthly data collected in 2004, is shown on a flat cartesian grid. The ocean color is derived from applying a depth shading to the bathymetry data. Where available, the Antarctica coverage shown is the Landsat Image Mosaic of Antarctica (LIMA). || ",
            "hits": 56
        }
    ]
}