July 2014

Giant kelp
Jul 31, 2014Tracking Giant Kelp From Space

Citizen scientists worldwide are invited to take part in marine ecology research, and they won’t have to get their feet wet to do it. The Floating Forests project, an initiative spearheaded by scientists at UC Santa Barbara and UCLA, is calling [...]

Chart showing old-growth forest loss in Indonesia, 2000-2012
Jul 30, 2014A Closer Look at Old-Growth Forest Loss in Indonesia

A group of researchers from the University of Maryland, the Indonesian Ministry of Forestry, and the World Resource Institute joined forces to remedy the lack of consensus about the amount of old-growth forest clearing occurring in Indonesia.

Aftermath of Hurricane Mitch
Jul 24, 2014Mapping Disaster: A Global Community Helps from Space

Year after year, somewhere on Earth, natural or manmade disasters cause loss of life and widespread destruction, frequently spawning refugee situations. Though the risk of a disaster is low in any one particular place, earthquakes, volcanoes, [...]

Russian Arctic Islands, Landsat Image
Jul 23, 2014Observing Earth Today and Tomorrow: A National Plan

Humans have been observing Earth for a very long time simply because the conditions of the Earth are basic to our survival and our prosperity. Even the most ancient written records are filled with accounts of great floods, famines, and [...]

Landsat-derived map of field use
Jul 23, 2014Landsat’s Role in Water Resource Management

Water availability and allocation are issues gaining a great deal of attention, particularly in arid climates. Increases in population growth and recent droughts bring urgency to measuring and monitoring water use in areas such as the western [...]

2011 Miss. River flood
Jul 22, 2014Landsat’s Global Perspective

On July 23rd, 1972, the first Landsat spacecraft launched into orbit. At the time, it was called “Earth Resources Technology Satellite,” or ERTS, and was the first satellite to use a scanning spectrophotometer. Previous satellites relied on film [...]

WELD 2010 global collection
Jul 18, 2014Web-Enabled Landsat Data (aka WELD) Going Global

The Web-Enabled Landsat Data (WELD) project has released prototype global data sets for climate year 2010. The data sets are available as both monthly and annual 30m products generated from Landsat 5 and 7 data.

Target Field, Minneapolis
Jul 16, 2014Picturing a Pixel

Landsat satellites collect data along a wide ground track that spans 185 kilometers (115 miles) but with a spatial resolution that allows them to see the human signature on the landscape. Each Landsat pixel covers a 30 by 30 meter area (98 by 98 [...]

Moon above Earth
Jul 11, 2014Landsat Looks to the Moon

Every full moon, Landsat 8 turns its back on Earth. As the satellite’s orbit takes it to the nighttime side of the planet, Landsat 8 pivots to point at the moon. It scans the distant lunar surface multiple times, then flips back around to [...]

Jul 8, 2014At the Beach with Landsat 8

Scientists with the Michigan Tech Research Institute are tracking the spread of Chladophora, a hair-fine algae that attaches to shallow water rocks, or the shells of dead invasive zebra and quagga mussels. Occasionally, due to storms in the [...]

Rebecca Moore
Jul 2, 2014Maps for Good: Saving Trees and Saving Lives with Petapixel-Scale Computing

Google has leveraged the massive amount of data collected about our planet from space over the last four-plus decades—Landsat being one of the key data sets. In this video, Google Earth Engine founder Rebecca Moore shares how Google Earth began [...]

USGS Landsat Water Report
Jul 1, 2014Landsat and Water—Case Studies of the Uses and Benefits of Landsat Imagery in Water Resources

The Landsat program has been collecting and archiving moderate resolution earth imagery since 1972. The number of Landsat users and uses has increased exponentially since the enactment of a free and open data policy in 2008, which made data [...]