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        {
            "id": 13907,
            "url": "https://svs.gsfc.nasa.gov/13907/",
            "result_type": "Produced Video",
            "release_date": "2021-08-12T10:00:00-04:00",
            "title": "Go Now! Landsat & the Calypso Caper",
            "description": "During the summer of 1975, Jacques Cousteau and his divers helped NASA determine if Landsat could measure the depth of shallow ocean waters. The story of this NASA-led satellite bathymetry experiment unfolds through the photography and expedition documents preserved by David Lychenheim, the expedition’s communications engineer. Research done during that expedition determined that in certain conditions Landsat could measure depths up to 22 meters (72 feet), which gave birth to the field of satellite-derived bathymetry. This new technology enabled charts in clear water areas around the world to be revised, helping boats and deep-drafted supertankers avoid running aground on hazardous shoals or seamounts.Music: “Science of Life,” “Moving In Thought,” and “The Right Move” by Andrew Michael Britton [PRS] & David Stephen Goldsmith [PRS], “Midsummer” by Uwe Buschkotter [GEMA], “The Grand Opening” by Laurent Dury [SACEM], “Drifting Satellite” by Théo Boulenger [SACEM], “Man and Machine” by Larry Groupe [BMI], “A Little Optimism 1” by Joel Goodman [ASCAP], “Easy Does It” by Alchemist [SIAE], “Variations” by Stephan Sechi [ASCAP], “Bright and Playful” by Oscar Lo Brutto [PRS]; via Universal Production MusicComplete transcript available.Watch this video on the NASA Goddard YouTube channel. || 13907_Landsat_Cousteau_poster.png (1920x1080) [3.1 MB] || 13907_Landsat_Cousteau_poster_print.jpg (1024x576) [287.2 KB] || 13907_Landsat_Cousteau_poster_searchweb.png (320x180) [114.6 KB] || 13907_Landsat_Cousteau_poster_thm.png (80x40) [8.1 KB] || 13907_Landsat_Cousteau-pr.mov (1920x1080) [7.2 GB] || 13907_Landsat_Cousteau-yt.mp4 (1920x1080) [938.3 MB] || 13907_Landsat_Cousteau-tw.mp4 (1280x720) [301.1 MB] || 13907_Landsat_Cousteau-tw.webm (1280x720) [59.6 MB] || 13907_Landsat_Cousteau-captions.en_US.srt [11.3 KB] || 13907_Landsat_Cousteau-captions.en_US.vtt [10.8 KB] || ",
            "hits": 63
        },
        {
            "id": 4823,
            "url": "https://svs.gsfc.nasa.gov/4823/",
            "result_type": "Visualization",
            "release_date": "2020-09-11T00:00:00-04:00",
            "title": "Draining the Oceans",
            "description": "Data visualization of the draining of the Earth's oceans. The visualization simulates an incremental drop of 10 meters of the water’s level on Earth’s surface. As time progresses and the oceans drain, it becomes evident that underwater mountain ranges are bigger in size and trenches are deeper in comparison to those on dry land. While water drains quickly closer to continents, it drains slowly in our planet’s deepest trenches. || OceanDrain_3840x2160_60fps_0837_print.jpg (1024x576) [259.5 KB] || OceanDrain_3840x2160_60fps_0837_print_searchweb.png (320x180) [97.8 KB] || OceanDrain_3840x2160_60fps_0837_print_thm.png (80x40) [7.8 KB] || OceanDrain_1920x1080_30fps.mp4 (1920x1080) [44.2 MB] || OceanDrain_1920x1080_30fps.webm (1920x1080) [4.3 MB] || OceanDrain (3840x2160) [0 Item(s)] || OceanDrain (3840x2160) [0 Item(s)] || OceanDrain_3840x2160_60fps_0837.tif (3840x2160) [31.6 MB] || OceanDrain_3840x2160_30fps.mp4 (3840x2160) [154.1 MB] || OceanDrain_1920x1080_30fps.mp4.hwshow [192 bytes] || ",
            "hits": 776
        },
        {
            "id": 30767,
            "url": "https://svs.gsfc.nasa.gov/30767/",
            "result_type": "Hyperwall Visual",
            "release_date": "2016-04-12T00:00:00-04:00",
            "title": "OMG Maps Greenland Sea Floor Depth",
            "description": "This image shows a region off the coast of northwest Greenland mapped as part of the fall 2015 campaign of NASA's Oceans Melting Greenland (OMG) mission. This mission will test the connection between ocean warming and ice loss in Greenland. The data, shown here on a backdrop of Landsat-8 scenes from the same time period, will be used to understand the pathways by which warm water can reach glacier edges. The color overlay on the water shows the depth of the sea floor, with deep blue colors representing depths of more than 1,000 meters. In the second image the color overlay on the land show the icesheet velocity from InSAR data (MEaSUREs Greenland Ice Sheet Velocity Map from InSAR Data) || ",
            "hits": 49
        },
        {
            "id": 3881,
            "url": "https://svs.gsfc.nasa.gov/3881/",
            "result_type": "Visualization",
            "release_date": "2011-12-09T15:00:00-05:00",
            "title": "Thermohaline Circulation on a Flat Map",
            "description": "The oceans are mostly composed of warm salty water near the surface over cold, less salty water in the ocean depths. These two regions don't mix except in certain special areas. The ocean currents, the movement of the ocean in the surface layer, are driven primarily by the wind. In certain areas near the polar oceans, the colder surface water also gets saltier due to evaporation or sea ice formation. In these regions, the surface water becomes dense enough to sink to the ocean depths. This pumping of surface water into the deep ocean forces the deep water to move horizontally until it can find an area on the world where it can rise back to the surface and close the current loop. This usually occurs in the equatorial ocean, mostly in the Pacific and Indian Oceans. This very large, slow current is called the thermohaline circulation because it is caused by temperature and salinity (haline) variations.This animation shows one of the major regions where this pumping occurs, the North Atlantic Ocean around Greenland, Iceland, and the North Sea. The surface ocean current brings new water to this region from the South Atlantic via the Gulf Stream and the water returns to the South Atlantic via the North Atlantic Deep Water current. The continual influx of warm water into the North Atlantic polar ocean keeps the regions around Iceland and southern Greenland generally free of sea ice year round.The animation also shows another feature of the global ocean circulation: the Antarctic Circumpolar Current. The region around latitude 60 south is the only part of the Earth where the ocean can flow all the way around the world with no obstruction by land. As a result, both the surface and deep waters flow from west to east around Antarctica. This circumpolar motion links the world's oceans and allows the deep water circulation from the Atlantic to rise in the Indian and Pacific Oceans, thereby closing the surface circulation with the northward flow in the Atlantic.The flows in this visualization are based on current theories of the thermohaline circulation rather than actual data or computational model runs. The thermohaline circulation is a very slow moving current that can be difficult to distinguish from general ocean circulation. Therefore, it is difficult to measure and simulate.This visualization was produced for the Science On a Sphere production \"Loop\". It is intended to be over-layed on a world map background. Below are 3 sets of 4 sequences. The first set of 4 sequences are all composited over a world map background with a limited number of frames that make them loopable (with a very slight jump at the point where the looping happens). This is primarily provided for real-time displays such as hyperwall systems. The 4 sequences are: all depth layers combined, shallow depths, middle depths, and deep depths.The second set is the same as the first set except that the layers are not composited over the background and instead include and alpha channel. The third layer is actually the frames that were used in the film \"Loop\" and consist of a large number of continuous, seamless frames. Each sequence is as before, all layers, shallow, middle, and deep layers all with alpha channels.The depth layers nominally correspond to the following ranges below sea level: shallow (0m - 600m), middle (1875m - 2500m), and deep (3000m - 4000m). These depths do vary with bathymetry. So, in areas where the sea floor is not very deep, these depths are scaled so that the flows do not interesct the sea floor or each other. || ",
            "hits": 174
        },
        {
            "id": 3602,
            "url": "https://svs.gsfc.nasa.gov/3602/",
            "result_type": "Visualization",
            "release_date": "2009-07-07T00:00:00-04:00",
            "title": "TDRS Poster of the Northern Hemisphere",
            "description": "The Tracking and Data Relay Satellites (TDRS) comprise the communication satellite component of the Tracking and Data Relay Satellite System (TDRSS). TDRSS is a communication signal relay system which provides tracking and data aquisition services between low earth orbiting spacecraft and control and/or data processing facilities. TDRS supports many of NASA's missions including the space shuttles, Hubble and COBE. This image was created as a background for a 6 foot by 4 foot mural for display in Building 12 at Goddard Space Flight Center. The final poster will include a indication of the TDRSS ground segment located newr LasCruces, New Mexico as well as insets of several of the spacecraft that TDRSS supports. || ",
            "hits": 33
        },
        {
            "id": 3487,
            "url": "https://svs.gsfc.nasa.gov/3487/",
            "result_type": "Visualization",
            "release_date": "2008-06-01T00:00:00-04:00",
            "title": "Draining the Oceans",
            "description": "Three fifths of the Earth's surface is under the ocean, and the ocean floor is as rich in detail as the land surface with which we are familiar. This animation simulates a drop in sea level that gradually reveals this detail. As the sea level drops, the continental shelves appear immediately. They are mostly visible by a depth of 140 meters, except for the Arctic and Antarctic regions, where the shelves are deeper. The mid-ocean ridges start to appear at a depth of 2000 to 3000 meters. By 6000 meters, most of the ocean is drained except for the deep ocean trenches, the deepest of which is the Marianas Trench at a depth of 10,911 meters. || ",
            "hits": 3213
        },
        {
            "id": 2630,
            "url": "https://svs.gsfc.nasa.gov/2630/",
            "result_type": "Visualization",
            "release_date": "2002-08-20T12:30:00-04:00",
            "title": "Looking Down at the Earth's Ocean Floor from Space",
            "description": "Using a combination of different data sets, scientists are able to see what the Earth would look like if it had no oceans. || a002630.00100_print.png (720x480) [490.0 KB] || a002630_pre.jpg (320x240) [8.4 KB] || a002630.webmhd.webm (960x540) [29.9 MB] || a002630.dv (720x480) [586.1 MB] || a002630.mpg (320x240) [46.0 MB] || ",
            "hits": 126
        },
        {
            "id": 1301,
            "url": "https://svs.gsfc.nasa.gov/1301/",
            "result_type": "Visualization",
            "release_date": "1996-08-10T12:00:00-04:00",
            "title": "HoloGlobe: Draining the Pacific Ocean",
            "description": "This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. || ",
            "hits": 27
        },
        {
            "id": 1302,
            "url": "https://svs.gsfc.nasa.gov/1302/",
            "result_type": "Visualization",
            "release_date": "1996-08-10T12:00:00-04:00",
            "title": "HoloGlobe: Draining the Global Oceans",
            "description": "This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. || ",
            "hits": 33
        },
        {
            "id": 1303,
            "url": "https://svs.gsfc.nasa.gov/1303/",
            "result_type": "Visualization",
            "release_date": "1996-08-10T12:00:00-04:00",
            "title": "HoloGlobe: Filling the Atlantic Ocean",
            "description": "This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. || ",
            "hits": 15
        },
        {
            "id": 1304,
            "url": "https://svs.gsfc.nasa.gov/1304/",
            "result_type": "Visualization",
            "release_date": "1996-08-10T12:00:00-04:00",
            "title": "HoloGlobe: Filling the Global Oceans",
            "description": "This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. || ",
            "hits": 8
        },
        {
            "id": 1305,
            "url": "https://svs.gsfc.nasa.gov/1305/",
            "result_type": "Visualization",
            "release_date": "1996-08-10T12:00:00-04:00",
            "title": "HoloGlobe: Topography and Bathymetry on a Globe",
            "description": "This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum. || ",
            "hits": 48
        }
    ]
}