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As part of the Arctic Boreal Vulnerability Experiment (ABoVE), NASA scientists are flying over Alaska and Canada, measuring the elevation of rivers and lakes to study how thawing permafrost affects hydrology in the landscape.
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As part of the Arctic Borea...
Kuskokwim River
Parts of the Atlantic, Gulf of Mexico and Caribbean Sea as seen from the International Space Station 220 miles above Earth, from the Cupola window. The image was taken on November 9, 2010 by one of the Expedition-25 crew members using a 16-millimeter f/2.8D lens, which gives the image a fish-eye effect.
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WINDOW TO THE WORLD: Parts ...
Window to the world
This simulated natural-color image shows the North and South Malosmadulu Atolls in the Maldives, an island republic in the northern Indian Ocean, southwest of India. The Maldives consists of a chain of almost 1200 small coral islands that are grouped into clusters of atolls. It is home to about a third of a million people. Arguably the lowest-lying country in the world, the average elevation is 1 meter (3.3 feet) above sea level. Waves triggered by the great tsunami of December 2004 spilled over sea walls to flood the capital with sandy water and then swept out just as suddenly. Residents fear this was a foreboding of disasters to come from sea level rise due to global warming. The image was taken on 22 December 2002, and covers an area of 51 x 90 kilometers (32 x 56 miles).
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The Maldives
The Maldives
With autumn's arrival, chlorophyll begins to cede its dominance in the photosynthetic process, revealing yellow and orange tones on land, while in the ocean and lakes, phytoplankton pigments highlight different water masses and current systems.
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Changing colors across land...
Photosynthetic pigments by land and sea
The Sierra de Velasco Mountains dominate this image in northern Argentina. The Catamarca province is in the northern part of the image, and the La Rioja province is to the south. The streams are fed by runoff from the snow in the Andes Mountains to the north. These intermittent streams can dry up rapidly. The larger urban area near the bottom of the image is La Rioja, the capital of the province of La Rioja. This image was acquired by the Landsat 5 satellite on February 28, 1985.
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Argentina
Argentina
The Mackenzie River in Canada plays a major role in Arctic climate as warmer fresh water mixes with cold seawater.  This image was taken by the Operational Land Imager on the Landsat 8 satellite on July 18, 2017.
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The Mackenzie River in Cana...
Mackenzie River
Off the coast of Argentina, strong ocean currents stirred up a colorful brew of floating nutrients and microscopic plant life just in time for the summer solstice. Image taken by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite on December 21, 2010.
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PATAGONIA BLOOMS: Off the c...
Patagonia blooms
NASA's Landsat 8 satellite captured water mixing between Georgia's ick-colored Suwannee River and the deep blue Gulf of Mexico.
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Suwannee blackwater river m...
Suwannee blackwater river meets the sea
This image, taken on January 21, 2005, shows a collision between two of the largest floating objects in the world, the Drygalski Ice Tongue and iceberg "B15-A" in Antarctica (B15-A is on the right). The 43-mile- (70-kilometer-) long Drygalski Ice Tongue juts out from the icy land of Antarctica into McMurdo Sound like a pier, and is a floating extension of the land-based David Glacier. B15-A, 75 miles (120 kilometers) long, had been drifting slowly towards Drygalski for months before this image was taken. The presence of B15-A complicated supply trips to the nearby McMurdo science base and endangered penguins in the area by blocking their access to open sea. The perspective we get from space allows us to see the scale and scope of changes to these massive bodies of ice that we could not see in any other way.
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Drygalski Ice Tongue, Antar...
Drygalski Ice Tongue, Antarctica
This view of Earth from space is a fusion of science and art, drawing on data from multiple satellite missions and the talents of NASA scientists and graphic artists.
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Twin Blue Marbles
Twin Blue Marbles
This stunning image, taken on July 27, 2000, shows the Lena River in Russia, one of the largest rivers in the world, which is some 2,800 miles (4,400 kilometers) long. The Lena Delta Reserve is the most extensive protected wilderness area in Russia. It is animportant refuge and breeding ground for many species of Siberian wildlife. Original high-resolution image here.
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This stunning image, taken ...
Lena Delta, Russia
​ A spring phytoplankton bloom off of the Alaskan coast.
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Churning in the Chukchi Sea
Churning in the Chukchi Sea
The tongue of the Malaspina Glacier, the largest glacier in Alaska, fills most of this image. The Malaspina lies west of Yakutat Bay and covers 1,500 square miles (about 3,880 square kilometers). Image taken by Landsat 7 on August 31, 2000.
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ALASKAN SHIMMERThe tongue o...
Alaskan shimmer
This beautiful aerial photograph shows a multi-layered lenticular cloud hovering near Mount Discovery in Antarctica, a volcano about 70 kilometers (44 miles) southwest of McMurdo.
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Antarctic Wonders
Antarctic wonders
Phytoplankton bloom off western Iceland; 24 June, 2010. Taken by NASA's Aqua satellite.
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Phytoplankton bloom off wes...
Phytoplankton bloom
In this image, we see blue silt off the southern coast of Louisiana as the Mississippi River flows off into the Gulf of Mexico. The brightness and shade of blue depends on the density of the silt and the depth of the silt-carrying currents in the water. The small bright dots in the scene are fishing boats and oil platforms.
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In this image, we see blue ...
Louisiana silt
Lake Chad, Africa; February 7 and 11, 2004. Once serving as part of the floor for a much larger Lake Chad, the area now known as the Bodele Depression, located at the southern edge of the Sahara Desert in north central Africa, is slowly being transformed into a desert landscape. In the mid-1960s, Lake Chad was about the size of Lake Erie. But persistent drought conditions, coupled with increased demand for freshwater for irrigation, have reduced Lake Chad to about 5 percent of its former size. As the waters receded, the silts and sediments resting on the lakebed were left to dry in the scorching African sun. The small grains of the silty sand are easily swept up by the strong wind gusts that occasionally blow over the region. Once heaved aloft, the dust can be carried for hundreds or even thousands of kilometers. The remnants of Lake Chad appear in olive-green amid the tan and light brown hues of the surrounding landscape where the countries of Chad, Niger, Nigeria and Cameroon all share borders. The Bodele Depression was the source of some very impressive dust storms that swept over West Africa and the Cape Verde Islands in February 2004, the date of this image.
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Lake Chad, Africa; February...
Lake Chad
Vivid colors and bizarre shapes come together in this artistic, fantastical image, taken from space on June 15, 2005. The labyrinth of exotic features was spotted along the edge of Russia's Chaunskaya Bay (shown by the vivid blue half circle) in northeastern Siberia. Two major rivers, the Chaun and Palyavaam, flow into the bay, which in turn opens into the Arctic Ocean. Ribbon lakes and bogs are present throughout the area, created by depressions left by receding glaciers.
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Vivid colors and bizarre sh...
Siberian ribbons
This image shows a spinning formation of ice, clouds and low-lying fog off the eastern coast of Greenland. This image was acquired by the Landsat 7 satellite on May 14, 2001. This is a false-color composite image made using infrared, red and green wavelengths.
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Whirlpool
Whirlpool
A changing landscape in the heart of Madagascar, showing drainage into the sea in the Betsiboka Estuary due to decimation of rainforests and coastal mangroves. 
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The heart of Madagascar
The heart of Madagascar
This image, taken on 4 July 2002, shows spiraling eddies known as von Karman vortices over Alaska’s Aleutian Islands. Such eddies form as air flows over and around objects in its path. In this case, these eddies were created when prevailing winds sweeping east across the northern Pacific Ocean encountered Alaska’s Aleutian Islands.
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Extraordinary Eddies
Extraordinary eddies
The Caicos Islands in the northern Caribbean are a popular tourist attraction, renowned for their beautiful beaches, clear waters, scuba diving, and luxury resorts. The islands lie primarily along the northern perimeter of the submerged Caicos Bank (turquoise), a shallow limestone platform formed of sand, algae, and coral reefs covering 2,370 square miles (6,140 square kilometers). Image taken by Landsat 7 on April 24, 2003.
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CARIBBEAN LUXURY: The Caico...
Caribbean luxury
Small, blocky shapes of towns, fields, and pastures surround the graceful swirls and whorls of the Mississippi River. Countless oxbow lakes and cutoffs accompany the meandering river south of Memphis, Tennessee, on the border between Arkansas and Mississippi, USA. The 'mighty Mississippi' is the largest river system in North America. Image taken by Landsat 7 on May 28, 2003.
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MEANDERING MISSISSIPPI: Sma...
Meandering Mississippi
Earth's city lights as seen from space. The brightest areas of the Earth are the most urbanized, but not necessarily the most populated. More than a century after the invention of the electric light, many parts of the planet remain thinly populated and unlit. Image created with data from the Defense Meteorological Satellite Program Operational Linescan System.
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NIGHT LIGHTS: Earth's city ...
Night lights
These are the Anti-Atlas Mountains, part of the Atlas Mountain range in southern Morocco, Africa. The region contains some of the world’s largest and most diverse mineral resources, most of which are still untouched. This image was acquired by the Landsat 7 satellite on June 22, 2001. This is a false-color composite image made using shortwave infrared, infrared and red wavelengths.
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Atlas Mountains
Atlas Mountains

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Images of Change

Images of Change

Explore a stunning gallery of before-and-after images of Earth from land and space that reveal our home planet in a state of flux.
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Climate Time Machine

Climate Time Machine

Travel through Earth's recent climate history and see how increasing carbon dioxide, global temperature and sea ice have changed over time.
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Eyes on the Earth

Eyes on the Earth

Track Earth's vital signs from space and fly along with NASA's Earth-observing satellites in an interactive 3D visualization.
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Global Ice Viewer

Global Ice Viewer

Earth's ice cover is shrinking. See how climate change has affected glaciers, sea ice, and continental ice sheets.
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