December 2011


beached giant kelp
Dec 23, 2011Explaining Beached Kelp

Have you ever walked along a California coast and wondered about all of the kelp washed-up on shore? In winter when storms are more frequent, giant kelp is regularly washed ashore. University of California, Santa Barbara researcher David Reed [...]

Dec 20, 2011Ecological Society of America Mourns Landsat 5

The Ecological Society of America bids farewell to Landsat 5 in its online blog Ecotone. Blogger Liza Lester shares some ways in which Landsat 5 data have helped ecological research.All fingers are crossed that this farewell is premature; USGS [...]

Dec 19, 2011LandsatLook Images

USGS has just released a Fact Sheet providing information about their LandsatLook images. LandsatLook images are full resolution JPEG files derived from Landsat Level 1 data products. The images are compressed and stretched to create an image [...]

Data downloads
Dec 15, 2011Jobs, Innovations Follow Open-Access to Data

The European Commission (the body that proposes European Union legislation) is planning to provide open access to all public data—geographical, statistical, meteorological, publicly-funded research data, etc. Their goal is to make data collected [...]

Dec 14, 2011Eye on Earth Debuts

This week at the Eye on Earth Summit in Abu Dhabi an online environmental mapping service called “Eye on Earth” launched. The online service was developed by the European Environment Agency (EEA), Esri and Microsoft.Data sets on Eye on Earth [...]

Dec 12, 2011European Alpine Glaciers Receding

A new glacier inventory of the French Alps produced by Marie Gardent and colleagues at the University of Savoie has found that 100 square kilometers of glacier area has been lost between the early 1970s and today—a 26 percent loss. Using Landsat [...]

Study Shows More Shrubbery in a Warming World
Dec 9, 2011Study Shows More Shrubbery in a Warming World

Scientists have used satellite data from NASA-built Landsat missions to confirm that more than 20 years of warming temperatures in northern Quebec, Canada, have resulted in an increase in the amount and extent of shrubs and grasses. "For the [...]

Kirtland's Warbler
Dec 9, 2011Satellite Data Shows that Kirtland’s Warblers Prefer Forests After Fire

Kirtland's warblers are an endangered species of lightweight little birds with bright yellow-bellies that summer in North America and winter in the Bahamas. But be it their winter or their summer home, a new study using data from NASA-built [...]

Dec 9, 2011Searching for thawing permafrost and at-risk infrastructure

Permafrost—ground that remains frozen for at least two years—allows soil substrate to act like bedrock. So when permafrost thaws there can be major problems for structures built atop of it. Imagine if the granite of Mount Rushmore turned to [...]

aspen stand suffering from sudden aspen decline
Dec 6, 2011Consequences of Aspen Die-off

Trembling aspen are dying. No tree species in North America has a broader habitat and no other is as large (a single clone can be a hundred acres in size). So their recent widespread mortality, caused by a severe five-year drought and higher [...]

caribou
Dec 5, 2011Canadian Caribou Habitat Declines

Source: Global Forest Watch Canada At the International Society of Conservation Biology Conference in Auckland, New Zealand, representatives from the Grand Council of the Crees (Eeyou Istchee) in Quebec Canada today presented dramatic scientific [...]