{
    "count": 13,
    "next": null,
    "previous": null,
    "results": [
        {
            "id": 30073,
            "url": "https://svs.gsfc.nasa.gov/30073/",
            "result_type": "Hyperwall Visual",
            "release_date": "2017-09-01T12:00:00-04:00",
            "title": "Water Level in Lake Powell",
            "description": "Among the dams on the Colorado River is the Glen Canyon Dam, which creates Lake Powell. This series of natural-color Landsat images shows the dramatic drop in Lake Powell’s water level between 1999 and 2025 caused by prolonged drought and water withdrawals.",
            "hits": 110
        },
        {
            "id": 30162,
            "url": "https://svs.gsfc.nasa.gov/30162/",
            "result_type": "Hyperwall Visual",
            "release_date": "2017-09-01T12:00:00-04:00",
            "title": "Devastation and Recovery of Mt. St. Helens",
            "description": "In the nearly four decades since the eruption (1980), Mt. St. Helens has given scientists an unprecedented opportunity to witness the steps through which life reclaims a devastated landscape. The scale of the eruption and the beginning of reclamation in the Mt. St. Helens blast zone are documented in this series of images between 1979 and 2017. The older images are false-color (vegetation is red). Not surprisingly, the first noticeable recovery (late 1980s) takes place in the northwestern quadrant of the blast zone, farthest from the volcano. It is another decade (late 1990s) before the terrain east of Spirit Lake is considerably greener. By the end of the series, the only area (beyond the slopes of the mountain itself) that remains conspicuously bare at the scale of these images is the Pumice Plain. || ",
            "hits": 67
        },
        {
            "id": 30207,
            "url": "https://svs.gsfc.nasa.gov/30207/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-21T12:00:00-04:00",
            "title": "Yellow River Delta",
            "description": "China’s Yellow River is the most sediment-filled river on Earth. The river crosses a plateau blanketed with up to 300 meters (980 feet) of fine, wind-blown soil. The soil is easily eroded, and millions of tons of it are carried away by the river every year. Some of it reaches the river’s mouth, where it builds and rebuilds the delta. The Yellow River Delta has wandered up and down several hundred kilometers of coastline over the past two thousand years. Since the mid-nineteenth century, however, the lower reaches of the river and the delta have been extensively engineered to control flooding and to protect coastal development. This sequence of natural-color images shows the delta near the present river mouth at five-year intervals from 1989 to 2009. In 1996, engineers blocked the main channel and forced the river to veer northeast. By 1999, a new peninsula had formed to the north. The new peninsula thickened in the next five-years, and what appears to be aquaculture (dark-colored rectangles) expanded significantly in areas south of the river as of 2004. By 2009, the shoreline northwest of the new river mouth had filled in considerably. The land northwest of the newly fortified shoreline is home to an extensive field of oil and gas wells. || ",
            "hits": 30
        },
        {
            "id": 30212,
            "url": "https://svs.gsfc.nasa.gov/30212/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-21T12:00:00-04:00",
            "title": "Urbanization of Dubai",
            "description": "To expand the possibilities for beachfront tourist development, Dubai, undertook a massive engineering project to create hundreds of artificial islands along its Persian Gulf coastline. This image series shows the progress of the Palm Jumeirah Island from 2000 to 2011. In these false-color images, bare ground appears brown, vegetation appears red, water appears dark blue, and buildings and paved surfaces appear light blue or gray. The first image shows the area prior to the island’s construction. The final image, acquired in February 2011, shows vegetation on most of the palm fronds, and numerous buildings on the tree trunk. As the years pass, urbanization spreads, and the final image shows the area almost entirely filled by roads, buildings, and irrigated land. || ",
            "hits": 70
        },
        {
            "id": 30158,
            "url": "https://svs.gsfc.nasa.gov/30158/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-17T12:00:00-04:00",
            "title": "Drought Cycles in Australia",
            "description": "Drought is a frequent visitor in Australia. The Australian Bureau of Meteorology describes the typical rainfall over much of the continent as “not only low, but highly erratic.” These satellite-based vegetation images document what farmers and ranchers have had to contend with over the past decade. The images are centered on the agricultural areas near the Murray River—Australia’s largest river—between Hume Reservoir and Lake Tyrrell. The series shows vegetation growing conditions for a 16-day period in the middle of September each year from 2000 through 2010 compared to the average mid-September conditions over the decade. Places where the amount and/or health of vegetation was above the decadal average are green, average areas are off-white, and places where vegetation growth was below average are brown. || ",
            "hits": 20
        },
        {
            "id": 30160,
            "url": "https://svs.gsfc.nasa.gov/30160/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-17T12:00:00-04:00",
            "title": "Collapse of the Larsen B Ice Shelf",
            "description": "In the Southern Hemisphere summer of 2002, scientists monitoring daily satellite images of the Antarctic Peninsula watched almost the entire Larsen-B Ice Shelf splinter and collapse in just over one month. They had never witnessed such a large area—1250 square miles (~3237 square kilometers)—disintegrate so rapidly. The collapse of the Larsen-B Ice Shelf was captured in this series of images between January 31 and April 13, 2002. At the start of the series, the ice shelf (left) is tattooed with pools of meltwater (blue). By February 17, the leading edge of the C-shaped shelf had retreated about 6 miles (~10 kilometers). By March 7, the shelf had disintegrated into a blue-tinged mixture, or mélange, of slush and icebergs. The collapse appears to have been due to a series of warm summers on the Antarctic Peninsula, which culminated with an exceptionally warm summer in 2002. Warm ocean temperatures in the Weddell Sea that occurred during the same period might have caused thinning and melting on the underside of the ice shelf. || ",
            "hits": 82
        },
        {
            "id": 30163,
            "url": "https://svs.gsfc.nasa.gov/30163/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-17T12:00:00-04:00",
            "title": "The Seasons of Lake Tahoe",
            "description": "Perhaps the most familiar change in our changing world is the annual swing of the seasons. This series of images shows the changes around Lake Tahoe, on the border between California and Nevada, from August 27, 2009, to September 7, 2010. Snow, plants, light, and the lake itself all shift in accordance with the seasons. One of the most obvious signals in the Lake Tahoe region is snow, a commodity that draws skiing vacationers. The groomed trails are among the first places to turn white when the first snow arrives in October, and they are among the last places to lose snow in June. Apart from snow cover, the other clear indicator of seasonal change is the lighting. The seasonal shift in light is evident in the shadows that play across the images. During the height of summer, direct light illuminates the mountaintops and valley floors. Moving into the fall, shadows paint the western side of the mountains. By December, shadows dominate, with only eastern mountain faces reflecting bright light. || ",
            "hits": 25
        },
        {
            "id": 30165,
            "url": "https://svs.gsfc.nasa.gov/30165/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-17T12:00:00-04:00",
            "title": "Shrinking Aral Sea",
            "description": "In the 1960s, the Soviet Union undertook a major water diversion project on the arid plains of Kazakhstan, Uzbekistan, and Turkmenistan. The lake they made, the Aral Sea, was once the fourth largest lake in the world. Although irrigation made the desert bloom, it devastated the Aral Sea. At the start of the series in 2000, the lake was already a fraction of its 1960 extent (black line). The Northern Aral Sea (small) had separated from the Southern (large) Aral Sea. The Southern Aral Sea had split into an eastern and a western lobe that remained tenuously connected at both ends. By 2001, the southern connection had been severed, and the shallower eastern part retreated rapidly over the next several years. After Kazakhstan built a dam between the northern and southern parts of the Aral Sea, all of the water flowing into the desert basin from the Syr Darya stayed in the Northern Aral Sea. The differences in water color are due to changes in sediment.Images acquired from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satelliteReference: NASA’s Earth Observatory || ",
            "hits": 339
        },
        {
            "id": 30166,
            "url": "https://svs.gsfc.nasa.gov/30166/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-17T12:00:00-04:00",
            "title": "Amazon Deforestation",
            "description": "The state of Rondônia in western Brazil has become one of the most deforested parts of the Amazon. This image series, created with data from the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard NASA’s Terra satellite, shows the region from 2000 to 2010. By the year 2000, the frontier had reached the remote northwest corner of Rondônia. Intact forest is deep green, while cleared areas are tan (bare ground) or light green (crops, pastures). Deforestation follows a predictable pattern in these images. The first clearings appear in a fishbone pattern, arrayed along the edges of roads. Over time, the fishbones collapse into a mixture of forest remnants, cleared areas, and settlements. This pattern is common in the Amazon. Legal and illegal roads penetrate a remote part of the forest, and small farmers migrate to the area. They claim land along the road and clear some of it for crops. Within a few years, heavy rains and erosion deplete the soil, and crop yields fall. Farmers then convert the degraded land to cattle pasture, and clear more forest for crops. || ",
            "hits": 159
        },
        {
            "id": 30194,
            "url": "https://svs.gsfc.nasa.gov/30194/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-10-17T12:00:00-04:00",
            "title": "Burn Recovery in Yellowstone",
            "description": "In the summer of 1988, lightning- and human-ignited fires consumed vast stretches of Yellowstone National Park. By the time the first snowfall extinguished the last flames in September, 793,000 of the park’s 2,221,800 acres had burned.This series of images shows the scars left in the wake of the western Yellowstone fires and the slow recovery in the twenty years that followed. Taken by Landsat-5, the images were made with a combination of visible and infrared light (green, short-wave infrared, and near infrared) to highlight the burned area and changes in vegetation. In the years that follow, the burn scar fades progressively. On the ground, grasses and wildflowers sprung up from the ashes and tiny pine trees took root and began to grow. Though changes did occur between 1988 and 2010, recovery has been slow. In 2010, the burned area is still clearly discernible.Images acquired by Landsat satellites Reference: NASA’s Earth Observatory || ",
            "hits": 18
        },
        {
            "id": 30059,
            "url": "https://svs.gsfc.nasa.gov/30059/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-07-10T09:00:00-04:00",
            "title": "Mountaintop Mining, West Virginia",
            "description": "These images illustrate the growth of the Hobet mine in Boone County, WV as it moves from ridge to ridge between 1984 and 2015. The natural forested landscape appears dark green, creased by steams and indented by hollows. Active mining areas, however, appear off-white and areas being reclaimed with vegetation appear light green. The law requires coal operators to restore the land to its approximate original shape, but the rock debris generally can’t be securely piled as high or graded as steeply as the original mountaintop. There is always too much rock left over, and coal companies dispose of it by building valley fills in hollows, gullies, and streams. While the image from 2015 shows apparent green-up of restored lands, it also shows expanded operations in the west. The resulting impacts to stream biodiversity, forest health, and ground-water quality are high, and may be irreversible. || ",
            "hits": 42
        },
        {
            "id": 30056,
            "url": "https://svs.gsfc.nasa.gov/30056/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-07-01T10:00:00-04:00",
            "title": "Athabasca Oil Sands",
            "description": "Buried under Canada’s boreal forest is one of the world’s largest reserves of oil. Bitumen—a very thick and heavy form of oil (also called asphalt)—coats grains of sand and other minerals in a deposit that covers about 142,200 square kilometers of northwest Alberta.Only 20 percent of the oil sands lie near the surface where they can easily be mined. The rest of the oil sands are buried more than 75 meters below ground and are extracted by injecting hot water into a well that liquefies the oil for pumping. This series of images from the Landsat satellite shows the growth of surface mines over the Athabasca oil sands between 1984 and 2015.These images show slow growth between 1984 and 2000, followed by a decade of more rapid development. The first mine (from 1967, now part of the Millennium Mine) is visible near the Athabasca River in the 1984 image. The only new development visible between 1984 and 2000 is the Mildred Lake Mine (west of the river), which began production in 1996. By 2015 operations have expanded to the north and east. || ",
            "hits": 48
        },
        {
            "id": 30055,
            "url": "https://svs.gsfc.nasa.gov/30055/",
            "result_type": "Hyperwall Visual",
            "release_date": "2013-06-27T14:00:00-04:00",
            "title": "Columbia Glacier, Alaska",
            "description": "The Columbia Glacier in Alaska is one of the most rapidly changing glaciers in the world. These false-color images show how the glacier and the surrounding landscape has changed since 1986. Snow and ice appears bright cyan, vegetation is green, clouds are white or light orange, and the open ocean is dark blue. Exposed bedrock is brown, while rocky debris on the glacier’s surface is gray. By 2011, the terminus had retreated more than 20 kilometers (12 miles) to the north. Since the 1980s, the glacier has lost about half of its total thickness and volume. The retreat of the Columbia contributes to global sea-level rise, mostly through iceberg calving. This one glacier accounts for nearly half of the ice loss in the Chugach Mountains. However, the ice losses are not exclusively tied to increasing air and water temperatures. Climate change may have given the Columbia an initial nudge, but it has more to do with mechanical processes. In fact, when the Columbia reaches the shoreline, its retreat will likely slow down. The more stable surface will cause the rate of calving to decline, making it possible for the glacier to start rebuilding a moraine and advancing once again. || ",
            "hits": 69
        }
    ]
}