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Wednesday, December 7th, 2016

Two Glaciers Collapse In Western Tibet

A glacier near Lake Aru in western Tibet collapsed on 17 July 2016. Now the Journal of Glaciology publishes the first scientific account of this cryospheric disaster in which nine local yak herders were killed. Eyewitnesses reported that the episode lasted only four to five minutes. More than 70 million cubic metres of ice tumbled

Tuesday, December 6th, 2016

Arctic Sea Ice at Record Lows

Every northern fall and winter, cooling ocean and air temperatures cause the floating cap of Arctic sea ice to grow from its annual minimum extent toward a maximum between February and April. So far in 2016, however, the Arctic Ocean and neighboring seas have been slow to freeze, setting both daily and monthly record lows.

Tuesday, November 29th, 2016

RapidScat Mission to Monitor Ocean Winds Ends

On Sept. 21, 2014, NASA scientists and engineers launched RapidScat toward the orbiting International Space Station, 250 miles above Earth’s surface, with a few objectives in mind: improve weather forecasting on Earth, provide cross-calibration for all international satellites that monitor ocean winds, and improve estimates of how ocean winds change throughout the day. Following the

Monday, November 14th, 2016

Geospatial Science Identifies High-Risk Flooding Areas in Egypt

Researchers from UT Dallas and other universities developed geospatial science methods to help the Egyptian government determine how to avoid flooding in a coastal mountain region. The government wants to develop the area for tourism, but flash flooding and associated hazards have hampered efforts, according to Dr. May Yuan, Ashbel Smith professor of GIS. “We

Tuesday, November 8th, 2016

CubeSats Need Powerful Antennas in Small Packages

Scientists at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, Calif., have been working on the tricky problem of CubeSat transmission antennas, which must be small enough for these diminutive devices yet still transmit data through the huge expanses of space. “It’s like pulling a rabbit out of a hat,” said Nacer Chahat, a specialist in

Wednesday, November 2nd, 2016

First Space-Based View of Human-Made Carbon Dioxide

Scientists produced the first global maps of human emissions of carbon dioxide ever made solely from satellite observations. The maps, based on data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) satellite and generated with a new data-processing technique, agree well with inventories of known carbon dioxide emissions. No satellite before OCO-2 was capable of measuring carbon

Monday, October 24th, 2016

Historical Records May Underestimate Sea-Level Rise

A new study using NASA satellite data finds that tide gauges—the longest and highest-quality records of historical ocean water levels—may have underestimated the amount of global average sea-level rise that occurred during the 20th century. A research team led by Philip Thompson, associate director of the University of Hawaii Sea Level Center in the School

Tuesday, October 18th, 2016

Rwanda Launches World’s First National Drone Delivery Service

Throughout the developing world, access to lifesaving and critical health products is hampered by “the last-mile problem”: the inability to deliver needed medicine from a city to rural or remote locations due to lack of adequate transportation, communication and supply chain infrastructure. To lessen this problem, the Rwandan government will begin using drones to make

Tuesday, October 11th, 2016

Variety of Sensors Tracked Hurricane Matthew

As Hurricane Matthew developed into a Category 4 hurricane that pummeled the Caribbean and southeastern United States, killing more than 1,000 people, disrupting electricity and other utilities to hundreds of thousands, and causing billions of dollars in economic damage, many of the world’s satellites and sensors were tuned to the storm, and recorded its path

Tuesday, October 4th, 2016

Drone Adds IBM Watson for Cognitive Inspection

IBM and Aerialtronics introduced the first commercial drones featuring cognitive computing capabilities from the IBM Watson Internet of Things (IoT) Platform on IBM Cloud. Aerialtronics vehicles provide inspection services for global organizations across multiple industries, from monitoring city traffic patterns to inspecting wind turbines, oil rigs and cell-tower optimization. Aerialtronics’ commercial drones are the first

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