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NASA Earth
yesterday at 16:16. Facebook
Lagoa Mirim

An astronaut aboard the International Space Station captured this photograph of the north end of Lagoa Mirim, a 180-kilometer-long coastal lagoon straddling the border of Brazil and Uruguay.

Three rivers enter the lagoon (top), and rectangular agricultural fields (dark tones in the image) cover nearly all of the dry land in the scene. In contrast, the water has a bright grey,...
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NASA Earth
01/15/2017 at 16:27. Facebook
Water, Water Everywhere

The palm tree-fringed beaches of the Maldives give the appearance of an island paradise. But behind the tiny island nation lies a more complicated story.

The archipelago numbers 1,190 coral islands grouped into 26 atolls. Tourism powers the country’s economy, as 80 of its islands contain resorts. But its most lucrative asset—proximity to the azure seas—threatens to...
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NASA Earth
01/14/2017 at 20:36. Facebook
NASA scientists will continue to crisscross the globe on Earth Expeditions in 2017. In addition to continuing field work began in 2016, we are heading to a Hawaiian volcano, studying mountain snow pack in Colorado and monitoring oceanic phytoplankton's impact on the marine carbon cycle

Field experiments are an important part of NASA’s Earth science research. Scientists worldwide use the...
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NASA Plans Another Busy Year for Earth Science Fieldwork

nasa.gov
NASA Earth
01/14/2017 at 16:00. Facebook
Kashgar, China

Kashgar has a rich cultural history dating back thousands of years, having served as an important hub along the Silk Road. The rising of this remarkable landscape dates back even further.

A modern view of the remote oasis in China, located at the western end of the Tarim Basin and the Taklimakan Desert, is visible in this image acquired on July 23, 2014, by the Advanced...
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NASA Earth
01/14/2017 at 00:03. Facebook
Rolling on the (Atmospheric) River

A series of atmospheric rivers that brought drought-relieving rains, heavy snowfall and flooding to California this week is highlighted in a new movie created with satellite data from the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite.

Read the full story: [ Nasa.gov Link ]
NASA Earth
01/13/2017 at 16:00. Facebook
Floods Swamp Southern Thailand

Several days of heavy rainfall swamped much of southern Thailand in January 2017. While monsoon-related floods are common in the region, the wet season usually ends in November.

The Operational Land Imager (OLI) on the Landsat 8 satellite captured an image of flooded land near the Pra River on January 9, 2017. Much of the tan and yellow color on the landscape...
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Floods Swamp Southern Thailand : Image of the Day

earthobservatory.nasa.gov
NASA Earth
01/12/2017 at 23:39. Facebook
2016 was a big year for NASA’s field campaigns studying our changing planet, and 2017 will be just as exciting. New Earth science missions include HyspIRI, which will collect data on coral reef health and volcanic gas emissions; PACE, which will monitor the diversity of oceanic phytoplankton and their impact on the marine carbon cycle; and SnowEx, which will help determine how much water is...
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NASA Earth
01/12/2017 at 16:00. Facebook
Atmospheric River Soaks California

An atmospheric river has been flooding California and other parts of the western United States with rain and snow for nearly a week. Precipitation could be measured in feet rather than inches in some locations, and rivers and valleys filled with some of the worst flooding since 2005. According to meteorologists, the deluge is not over as more storms are...
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NASA Earth
01/11/2017 at 23:26. Facebook
NASA Satellites Track Volcanic Clouds

Volcanic ash can damage aircraft and disrupt air traffic. Agencies around the world track volcanic clouds and issue alerts to the aviation community. Now data from NASA earth-observing satellites is improving the ability to detect and forecast the hazard to aviation from volcanic clouds.

NASA’s fleet of satellites provide freely-available information...
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NASA Earth
01/11/2017 at 16:00. Facebook
Punching Through

In January 2007, satellites captured an extraordinary example of hole-punch clouds visible over the southern United States. But occurrences of the cloud type, albeit usually less pronounced, show up every year over Earth’s mid- and high-latitudes. A more recent display developed over eastern China, visible in this image acquired on December 28, 2016, with the Moderate...
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NASA Earth
01/10/2017 at 23:05. Facebook
"ClimateBits: Albedo" uses NASA Earth data to explain the concept that the brightness of the Earth system determines how much incoming solar radiation is reflected back to space. Albedo impacts Earth's energy balance and climate.
NASA Earth
01/10/2017 at 16:00. Facebook
Cambodia’s Forests Are Disappearing

Cambodia has one of the fastest rates of forest loss in the world. In broad swaths of the country, densely forested landscapes—even those in protected areas—have been clear-cut over the past decade. Much of the forest has been cleared for rubber plantations and timber.

Scientists from the University of Maryland and the World Resources Institute’s Global...
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The Relationship Between Fire and Water in sub-Saharan Africa

A new study looks at the general impacts of burning on the whole spectrum of the water cycle and finds there is a tendency for the net influence of fire to suppress precipitation in northern sub-Saharan Africa.

Study Finds a Connection Between Wildfires and Drought

nasa.gov
Sunglint on Lake Titicaca

An astronaut aboard the International Space Station used a long lens to capture the fleeting features of the Sun’s reflection point around islands in Lake Titicaca. Located on the high plateau of the Andes Mountains, between Peru and Bolivia, Titicaca is the largest lake in South America. At 3812 meters (12,500 feet) above sea level, it is also one of the highest...
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Sunglint on Lake Titicaca : Image of the Day

earthobservatory.nasa.gov
A Copper Megamine in South America

Two huge open pits intersected by spirals of roads stand at the center of Cerro Verde, an expansive copper and molybdenum mine in the desert of southwestern Peru. As shown by this satellite image, there is more to the mine than just pits. A complex tangle of supporting facilities, machinery, and other infrastructure surrounds them. Roads, some of them...
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Lava Delta Collapses into Sea

Around 2:45 p.m. local time on December 31, 2016, unstable volcanic terrain began to tumble into the sea at Kamokuna, an area where lava from Hawaii’s Kilauea volcano pours into the sea. Fiery explosions, large waves, and a towering plume of steam and ash sprang forth as the lava delta and older nearby sea cliffs crumbled away.

Lava deltas are fan-shaped patches...
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Lava Delta Collapses into Sea : Image of the Day

earthobservatory.nasa.gov
Muted La Niña Follows Potent El Niño

One year ago, the central and eastern parts of the tropical Pacific Ocean were pulsing with heat, a result of one of the most intense El Niño events on record. One year later, La Niña has been relatively quiet, and she does not seem to be staying for long.

La Niña is the cool sister pattern to El Niño. While El Niño knocks down the easterly trade winds...
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Muted La Niña Follows Potent El Niño : Image of the Day

earthobservatory.nasa.gov
The #CYGNSS #smallsats make "first light" measurements of the ocean surface after launch last month.

CYGNSS Hurricane Mission Measures “First Light” Science Data

nasa.gov
Multiple Fires Blaze in Argentina

Dense smoke rose above a rash of wildfires in the Pampas region of Argentina in late December 2016 and early January 2017. Over the past month, roughly two dozen fires have spread across the rural landscape. The blazes were likely started by thunderstorms that followed a stretch of hotter-than-average weather, according to Clarín, a South American news...
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Multiple Fires Blaze in Argentina : Image of the Day

earthobservatory.nasa.gov
January Puzzler

Where is this? What is this? And why are those lines so colorful? Every month, we offer our readers a puzzling satellite image. The image here is the January 2017 puzzler. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, what the image shows, and why the scene is interesting.
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