February 2014


Lunar image from OLI March
Feb 28, 2014Landsat 8 Images Earth’s Biggest Satellite—Check it Out

Landsat 8 was built to do something none of its predecessors had done before: look at the Moon. You may ask why an Earth-observing mission would want to image Earth’s natural orbiting celestial body. Well, it all goes back to getting good data [...]

Landsat 8 launch
Feb 27, 2014Celebrating Landsat 8’s First Year in Orbit

[Source: NASA Science Visualization Studio] On Feb. 11, 2013, Landsat 8 launched into Earth orbit, riding on an Atlas V rocket. Weighing in at 6,133 pounds, Landsat 8 is the eigth satellite in the long-running Landsat program, jointly managed by [...]

onion skin still
Feb 25, 2014The Landsat Onion Skin: Peeling Back Landsat’s Layers of Data

[Source: NASA Science Visualization Studio] Landsat satellites circle the globe every 99 minutes, collecting data about the land surfaces passing underneath. After 16 days, the Landsat satellite has passed over every spot on the globe, and [...]

Landsat Orbital Swath
Feb 19, 2014Round She Goes: Landsat’s Orbital Swath

[Source: NASA Science Visualization Studio] As a Landsat satellite flies over the surface of the Earth the instruments aboard the satellite are able to view a swath 185 kilometers wide and collect images along that swath as the satellite [...]

Landsat 8: Good Things, Getting Better
Feb 18, 2014Landsat 8: Good Things, Getting Better

[By: Rebecca Johnson, Jim Lacasse, Gene Fosnight, and Ron Morfitt, USGS EROS] It’s hard to believe a year has passed since the launch of Landsat 8. This first anniversary is going to be an exciting, upbeat celebration because the new satellite [...]

L5 from L8, band 8
Feb 14, 2014Landsat 8 Spots an Old Friend

Eight months ago, on June 5, 2013, the U.S. Geological Survey decommissioned the venerable Landsat 5 satellite. That day, the USGS Landsat Flight Operations Team transmitted the last command to Landsat 5, effectively terminating the mission and [...]

L7 velocity graphic
Feb 12, 2014Recent Landsat 7 Maneuvers Affect WRS Footprints

[Source: USGS Landsat] On January 9, 2014, the USGS executed a delta-velocity (Delta-V) maneuver to pre-position Landsat 7 for a larger delta-inclination (Delta-I) maneuver used to maintain the satellite's mean local crossing time. NOAA’s space [...]

CropScape map
Feb 12, 2014NASS Releases 2013 Geospatial Data for U.S. Crops

[Source: USDA] The U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service (NASS) updated its online geospatial exploring tool, CropScape, adding Cropland Data Layers from crop year 2013. This tool gives public an easy [...]

Landsat 8 rocket
Feb 11, 2014A High-Flying Rookie Season

[Subset from: NASA-USGS Landsat 8 Satellite Celebrates First Year of Success by Kate Ramsayer and Jon Campbell] Landsat 8 is acquiring around 550 images per day – significantly more than the 400-image-per-day design requirement. Between Landsat [...]

Landsat 8 Celebrates First Year of Success
Feb 11, 2014Landsat 8 Celebrates First Year of Success

[Source: Tom Holm, USGS & Steve Cole, NASA] One year ago, on February 11, 2013, NASA launched the Landsat 8 Earth-observing satellite from Vandenberg Air Force Base near Lompoc, Calif. A flawless launch, followed by the transfer Read more [...]

Landsat bathymetry
Feb 11, 2014Landsat and the Sea

One year ago today, Landsat 8 blasted off from California’s Vandenberg Air Force Base and arched over the shimmering Pacific on its way into orbit. Landsat 8’s main sensor, the Operational Land Imager (OLI), is the latest model in the long line [...]

Landsat SR CDR products
Feb 6, 2014Landsat Surface Reflectance Fact Sheet Available from USGS

[Source: USGS] Landsat Surface Reflectance Climate Data Records (CDRs) are high level Landsat data products that support land surface change studies. Climate Data Records, as defined by the National Research Council, are a time series of [...]

Cropland
Feb 4, 2014NASA Maps Earth’s Croplands from Space

[Source: Kate Ramsayer, NASA Goddard] It takes a lot of land to grow food for the world's seven billion people. About a third of Earth's terrestrial surface is used for agriculture. And about a third of that, in turn, is used to grow crops. Now, [...]

Landsat 7 Acquisitions to be Interrupted
Feb 3, 2014Landsat 7 Acquisitions to be Interrupted

[Source: USGS Landsat] No Landsat 7 data will be acquired beginning at 8:30 a.m. CT on Tuesday, February 4, 2014, until about 2:15 p.m CT on Wednesday, February 5, 2014 due to a Delta-I (Inclination) maneuver. Read more [...]

Landsat 8 Reprocessing Begins
Feb 3, 2014Landsat 8 Reprocessing Begins

[Source: USGS Landsat] The entire Landsat 8 archive will be cleared from the online cache and reprocessed to take advantage of calibration improvements identified during its first year of operation starting on Feb. 3, 2014. All Landsat 8 scenes [...]