October 2015

Mike Taylor
Oct 16, 2015The Chesapeake Bay in 661 Million Pixels

Imagine you're flying 438 miles above the Earth taking pictures and collecting information of everything below. What do you see? Now imagine you’ve been doing this non-stop for over 40 years. Do you notice any change?

ridge-top bristlecone pine forest
Oct 5, 2015A forest by any other name?
Semantics, carbon implications, and solutions

Using the world’s first global, Landsat-based 30-meter resolution map of tree cover, researchers found that ambiguity of the term “forest” has the potential to create 13 percent discrepancies in forest area maps. While ecologists have long [...]

Typical American suburban community with model homes.
Sep 15, 2015USGS Maps Anthropogenic Land Use Trends, 1974–2012

More and more we hear the term "anthropocene" used to describe the current epoch of our planet when humankind has had a profound impact on Earth. This month, the U.S. Geological Survey has released a Landsat-based report and dataset on [...]

first image from Sentinel-2A covers the Po Valley, framed by the Alps in the north and the coastal mountains of France and Italy in the south
Jun 30, 2015Sentinel-2 Delivers First Images

Just four days after being lofted into orbit, Europe’s Sentinel-2A satellite delivered its first images of Earth, offering a glimpse of the ‘color vision’ that it will provide for the Copernicus environmental monitoring program.

graphic from the L8 data users handbook
Jun 25, 2015Landsat 8 Data Users Handbook Now Available

Landsat 8 data users will be glad to hear that the new Landsat 8 Data Users Handbook is now available online in PDF format from USGS.

Landsat & Sentinel-2 band comparison
Jun 23, 2015Sentinel-2A Launches—Our Compliments & Our Complements

The European Space Agency’s Sentinel-2A successfully launched into orbit last night from Europe’s Spaceport in Kourou, French Guiana aboard a Vega rocket (10:52 p.m. local time; 01:52 GMT).

flooding of Nicholson River in 2009
Jun 18, 2015A New Era of Space Collaboration between Australia and U.S.

On June 18, 2015 in Canberra, Australia, the U.S. Geological Survey and Geoscience Australia signed a comprehensive new partnership to maximize land remote sensing operations and data that can help to address issues of national and international [...]

fall foliage from Landsat 8
Jun 2, 2015Technical Announcement: USGS Ups Ease of Use for Landsat Data

The USGS has begun production of higher-level (more highly processed) Landsat data products to help advance land surface change studies. One such product is Landsat surface reflectance data.

the sound of deforestation
May 28, 2015The Sound of Deforestation, A Hack to Make Data Sing

In his lightning talk Lagomasino proposed a challenge to help study deforestation by linking satellite imagery and ground-images gathered via crowdsourcing

Dr. Martin O'Leary
May 22, 2015Here’s Looking at You Landsat, via @LandsatBot

Dr. Martin O'Leary is a glaciologist with Wales' Swansea University. He spends most of his time modeling glacier movements and from time-to-time he uses Landsat data to check things out, to get a lay of the land—or glacier. As a pet project he [...]