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 […]
Looking back in time at the world’s oceans
A time capsule of satellite imagery of the earth will become available to scientists this month. On June 28, digital imagery from more than three decades ago will be released by the Alaska Satellite Facility at the University of Alaska Fairbanks Geophysical Institute, NASA’s processor and distributor for this type of data. The images reveal […]
VIIRS as an Arctic Nightlight
Liz O’Connell for Frontier Scientists – During winter in the Arctic it’s “night” almost all the time, but thanks to the new Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) we no longer have to be in the dark about what’s going on with the weather. Here is a VIIRS/DNB image of the Alaska […]
Plants march north
Laura Nielsen for FrontierScientists The face of the Arctic is changing as plant growth flourishes further north than before. According to the National Aeronautics and Space Administration (NASA), “Temperature and vegetation growth at northern latitudes now resemble those found 4 degrees to 6 degrees of latitude farther south as recently as 1982.” This change accompanies […]
Satellite Tracking Helps Russian Tanker Navigate Critical Sea Duck Habitat
Matthew Sexson and Paul Laustsen for USGS – ANCHORAGE — On its way to deliver emergency fuel to Nome, Alaska, the Russian tanker Renda will move through an area used by wintering spectacled eiders, a federally threatened sea duck. But, to protect the ducks and their wintering habitat, resource managers from the U.S. Fish and Wildlife Service and navigators from the U.S. Coast Guard are […]
ASH? WHAT ASH? *#/! ASH!
Roughly translated and abbreviated; ASH? WHAT ASH? *#/! ASH!, was the conversation between the Anchorage control tower and the KLM pilot who had the misfortune of flying through a volcanic ash cloud on a December morning in 1989. It was dark, as it is most December mornings in Alaskan North.