The 2015 Surge of Kelayayilake Glacier
December 15, 2016
In May 2015, a severe glacier surge struck the eastern Pamir.
In May 2015, a severe glacier surge struck the eastern Pamir.
How the El Niño Southern Oscillation impacts snow cover of a glacierized volcano in Peru.
The glaciers of Puncak Jaya have continued their decline.
The carbon implications of 45 years of land use and land cover change in the conterminous U.S.
Using Landsat to closely monitor changes in ‘grounding line’ position in West Antarctica.
From the Arctic to the Mojave Desert, terrestrial and marine habitats are quickly changing. Satellites are particularly well-suited to observe habitat transformation and help scientists forecast what animals might do next.
How do glaciers respond to present climate change, in particular how have ice flows evolved over the last few decades?
Using Landsat 8 to document glacier velocity patterns on a mountain-range-wide scale.
Louisiana’s coastal marshes are responding to climate change.
The authors use Landsat imagery collected between 1996–2016 to analyze trends and variability in snow/ice albedo over the Himalayas.
The potential impacts of climate change on the Hamlet of Paulatuk in the Canadian Arctic are erosive.
Mangrove expansion has been observed in some subtropical locations around the world.
Mr. Chuter presented a poster on new mass balance estimates and velocity changes for parts of West Antarctica.
Glaciologist and prolific AGU blogger, Mauri Pelto, regularly publishes posts about changing glaciers around the globe on his “From a Glacier’s Perspective” blog. In many cases, Landsat data informs his posts.
Scientists at the University of Georgia’s Marine Institute at Sapelo Island have found that the amount of vegetation along the Georgia coast has declined significantly in the last 30 years, spurring concerns about the overall health of marshland ecosystems in the area.
In western North America, mountain pine beetles infest and ravage thousands of acres of forest lands. Landsat satellites bear witness to the onslaught in a way that neither humans nor most other satellites can.
Even with this winter’s strong El Niño, the Sierra Nevada snowpack will likely take until 2019 to return to pre-drought levels, according to new research.
A study of images along 2000 kilometers of West Antarctica’s coastline has shown the loss of about 1000 square kilometers of ice – an area equivalent to the city of Berlin – over the past 40 years.
Forests are commodities. The biggest driver of deforestation worldwide is the economic value of trees and the land they stand on. With the high demand for agricultural land and wood products, deforestation has become an intractable problem.
Canada has recreated the recent history of its forest disturbance and related recovery using Landsat data; a history that would otherwise not be possible to recreate in a manner that is spatially explicit and at a spatial resolution of relevance for forest management.
A NASA-led team of scientists has developed the first-ever method for detecting the presence of different types of underground forest fungi from space, information that may help researchers predict how climate change will alter forest habitats.
Across the U.S. and particularly in Washington state, very little is known about the acreage, yearly flooding cycles and even the actual locations of wetlands. Even hazier is what could happen to these vital ecosystems under climate change.
Alex Gardner, a Research Scientist at NASA’s Jet Propulsion Laboratory, has used 30 years of Landsat data—some 3 million scenes—to measure the velocity of Antarctica’s ice sheet. He spoke with us about the work he is presenting at #AGU15.
Carson Baughman, a geographer at the USGS Alaska Science Center, presented results of his study on seasonal glacial sediment plumes in Alaska’s Lake Clark at #AGU15. We talked to Carson about his work.
Alex Burton-Johnson, Martin Black, and Peter Fretwell from the British Antarctic Survey have used Landsat 8 data to create a new rock outcrop map for Antarctica, which will become part of the Antarctic Digital Database. The team presented their research at #AGU15.
David Selkowitz, a Research Geographer with the USGS Alaska Science Center, and his team have developed a snow cover product, that allows users to look at historical snow cover through time. Selkowitz presented a poster on the Landsat-based data product at #AGU15. Here’s what we learned from him this week.
William Kochtitzky, a student from Dickinson College, presented a poster on glacial changes on Peru’s Nevado Coropuna volcano at #AGU15.
Chengquan Huang presented a poster explaining where to find U.S. forests that have been undisturbed for last 25 years at #AGU15. His research relied on Landsat to both find these forests and understand forest disturbance trends in the U.S.
Martin Goldhaber gave a talk about how climate change will impact the hydrochemistry of wetlands in an immensely important ecosystem known as the Prairie Pothole Region at #AGU15. Landsat data helped Goldhaber track how the size of the waterbodies in his study area changed between 1973 and 2011. Here’s what he shared with us about his research.
Capitalizing on the long Landsat data record and the human brain’s capacity to recognize movement, Frank Paul from the University of Zurich has created glacier animations that enable viewers to witness the complex flow of glaciers.
Every part of the mosaic of Earth’s surface — ocean and land, Arctic and tropics, forest and grassland — absorbs and releases carbon in a different way. Wild-card events such as massive wildfires and drought complicate the global picture even more. To better predict future climate, we need to understand how Earth’s ecosystems will change as the climate warms and how extreme events will shape and interact with the future environment.
The Oak Ridge National Laboratory DAAC, has just release a Landsat-based forest disturbance history covering the years between 1986 and 2010.
Ice sheets are in perpetual motion, making their way downslope like a river. If the amount of snow that an ice sheet accumulates does not keep pace with its loss to the sea, sea level will rise. As temperatures have climbed, positive feedback loops have led to an accelerated loss of ice sheet sections that touch the sea, but in an unexpected twist to the global warming saga, scientists have just discovered a negative feedback loop that is slowing down the Greenland Ice Sheet sections that end on land—a sliver of good news for sea-level rise.
