“Typically when a bird gets any ice on their body it’s game over.” But not for rock sandpipers overwintering on the mudflats of Cook Inlet, Alaska. Watch new videos about rock sandpipers on FrontierScientists.com featuring science about avian puffballs surviving and thriving despite enduring ice on feathers and feet. Rock sandpipers in Alaska In Cook […]
Tag: USGS
Sea otter UAV health checkup
Spying on sea otter activities lets biologists measure populations of other species in the otters’ habitat. “It’s just a lot of work to get densities of clams and marine species like that,” described wildlife biologist Daniel Monson. To get a better idea of ecosystem health, scientists can use Unmanned Aerial Vehicle (UAV) technology to take […]
68 million ton landslide in Alaska: Mount La Perouse
Laura Nielsen for Frontier Scientists – February 16, 2014– A roar sounded unheard somewhere in the vicinity of Glacier Bay National Park and Preserve in remote southeast Alaska. Stone and debris, long part of Mount La Perouse, suddenly bowed to gravity as one of the mountain’s near-vertical flanks collapsed. The colossal landslide carried an estimated […]
Learning our forests from space– mapping deforestation and regrowth
Laura Nielsen for Frontier Scientists – “Every day, Landsat satellites provide essential information for land managers and policy makers to support wise decisions about our resources and environment in the places we live and work.” (NASA) Matthew Hansen, University of Maryland, and co-author Thomas Loveland, U.S. Geological Survey, released an unprecedented record of global deforestation […]
A forest revealed under glacial ice
Laura Nielsen for Frontier Scientists – Alaska’s Mendenhall Glacier is shrinking, and its retreating ice has bared the remains of an ancient forest. Preserved stumps and trunks, many still rooted and even bearing bark, sit in a gravelly mix of stone churned up by the glacier. The trees are being exposed to open air for […]
Alaska, updated — modern maps detail the 49th state
Laura Nielsen for Frontier Scientists – The U.S. Geological Survey’s Alaska Mapping Initiative has released more than 400 new digital topographic maps for the state of Alaska. It doesn’t stop there – the initiative will give us a clear view of Alaska, creating a complete set of more than 11,000 maps over the next 6 […]
Earthshots puts visually stunning Landsat data to use
Laura Nielsen for Frontier Scientists – Every eight days, a Landsat satellite carrying delicate sensing and scanning equipment passes high above wherever you might be on the planet. Data from Landsat mission images records changes on Earth’s surface since 1972, over the last four decades, and it’s freely available to scientists and the public. By visiting […]
Eyes on Columbia Glacier’s retreat
The Landsat mission, a joint effort between the National Aeronautics and Space Administration (NASA) and the U.S. Geological Survey (USGS), has been collecting data on Earth’s physical features via satellite since the 1970s. “The Landsat data record — humanity’s longest continuous record of our planet from space — has been an invaluable tool for scientists and decision-makers in […]
Know your land: Alaska maps
Laura Nielsen for Frontier Scientists – Over eight thousand historical maps of Alaska are now available to the public through the United States Geological Survey’s Historical Topographic Map Collection. The collection includes maps of Alaska crafted as long ago as 1899, maps created to commemorate Alaska’s induction into statehood in January 1959, and more. Records of […]
Wind-aided birds on their way north
After flying northward from Chile, a whimbrel landed in late March in an alfalfa field near Mexicali, Mexico. The handsome shorebird with a long curved beak left its wintering ground in South America one week earlier and flew more than 5,000 miles. Nonstop. In one of the great migrations happening all over the world right […]