May 2016


Tom Loveland
May 11, 2016What’s the Big Idea? — Charting Change from the Skies

  [Source: USGS] Tom Loveland, research scientist with the USGS Earth Resources Observation and Science Center, explains how he uses data — both past and present — to help scientists, natural resource managers, and the public better [...]

report cover
Apr 18, 2016USGS Open-Report File: Users and uses of Landsat 8 satellite imagery—2014 survey results

In 2013, Landsat 8 began adding high quality, global, moderate-resolution imagery to the more than 40-year archive of Landsat imagery. To assess the potential effects of the availability of Landsat 8 imagery on users and their work, the U.S. [...]

Canadian forest changes 1985-2011
Apr 18, 2016Landsat Used to Recreate the History of Canada’s Forests

Canada has recreated the recent history of its forest disturbance and related recovery using Landsat data; a history that would otherwise not be possible to recreate in a manner that is spatially explicit and at a spatial resolution of relevance [...]

TIRS telescope
Apr 12, 2016USGS TIRS Update

Toward the end of April, reprocessing efforts will begin for Landsat 8 OLI/TIRS scenes acquired from January 1 to March 31, along with data acquired during April, to create nominal Level-1 products containing valid TIRS data. 

Landsat ground stations
Apr 7, 2016USGS Fact Sheet: Landsat International Cooperators and Global Archive Consolidation

Landsat missions have always been an important component of U.S. foreign policy, as well as science and technology policy. The program’s longstanding network of International Cooperators (ICs), which operate numerous International Ground [...]

WELD data product; Collyer, Kansas
Mar 31, 2016WELD View: Using the Big Picture to See the Finer Details

A first of its kind, the WELD data products were designed with the purpose of providing scienctific quality Landat data consistent in both temporal resolution and quality at a continental scale with limited clouds. WELD products are available at [...]

Latest USGS Landsat Update
Mar 25, 2016Latest USGS Landsat Update

The latest Landsat Update (Volume 10 Issue 2 2016) is now available from USGS.

Sentinel-2A
Mar 15, 2016USGS Partners with European Space Agency to Deliver Copernicus Earth Data

USGS and ESA have established an innovative partnership to enable USGS storage and redistribution of Earth observation data acquired by Copernicus program satellites.

TIRS diagram
Feb 12, 2016Landsat 8 TIRS Updates from USGS

As of Feb. 12, 2016, many of the Landsat 8 scenes acquired from October to December 2015 have been reprocessed into nominal Level-1 products containing valid TIRS data and are available for download, and can also be submitted for higher-level [...]

in the field
Feb 2, 2016A New Observation Method That Sees the Forest for the Trees

A marriage in the remote forests of China promises to unite two important forces to better inform the health and future of biodiversity. The union is reported in this week’s journal Ecological Indicators by Michigan State University researchers.

TIRS diagram
Jan 13, 2016Landsat 8 Thermal Data Update

Landsat 8 Thermal Infrared Sensor (TIRS) data continue to be collected with the scene select mirror encoder electronics disabled (mode 0). While in this mode, the TIRS line of sight model (LOS) will be regularly updated and modifications are [...]

Clopper Lake
Dec 18, 2015Tracking Global Surface Water Dynamics with Landsat

At #AGU15, Amy Hudson, from the University of Maryland College Park, presented a poster about her work to develop a global surface water dynamics map for the years 2000–2014 using data from three Landsat satellites. We spoke with her about this [...]

2015 Antarctica velocity map
Dec 18, 2015Measuring Movement at the Bottom of the Earth

Alex Gardner, a Research Scientist at NASA's Jet Propulsion Laboratory, has used 30 years of Landsat data—some 3 million scenes—to measure the velocity of Antarctica's ice sheet. He spoke with us about the work he is presenting at #AGU15.

houses in nepal
Dec 17, 2015Detecting Landslides in Nepal with Landsat

Justin Roberts-Pierel from the Joint Center for Earth Systems Technology, uses Landsat 8 to detect landslides in the Himalayas. He provided information about his studies at #AGU15. We talked with him about his work.

Antarctic rock outcrop map
Dec 17, 2015Mapping Antarctic Rock Outcrops with Landsat 8

Alex Burton-Johnson, Martin Black, and Peter Fretwell from the British Antarctic Survey have used Landsat 8 data to create a new rock outcrop map for Antarctica, which will become part of the Antarctic Digital Database. The team presented their [...]

Prairie Pothole Region
Dec 14, 2015Finding Land Surface Change with Landsat: An Automation

Jennifer Rover, a Geographer with the U.S. Geological Survey, gave a talk on an automated method she developed to assess long-term change to Earth's surface using Landsat at #AGU15.

TIRS telescope
Dec 8, 2015TIRS Anomaly

On Nov. 1, 2015 the TIRS instrument experienced an anomalous condition related to the instrument's ability to accurately measure the location of the Scene Select Mirror.

56 Landsat Images Provided to International Charter in November 2015
Nov 30, 201556 Landsat Images Provided to International Charter in November 2015

The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a person who can activate the charter. Once activated, a project manager takes charge. The project manager knows what satellite [...]

Panmah and Choktoi glacier movement
Nov 27, 2015Animating the “Karakoram Anomaly” with Landsat

Capitalizing on the long Landsat data record and the human brain’s capacity to recognize movement, Frank Paul from the University of Zurich has created glacier animations that enable viewers to witness the complex flow of glaciers.

graphic from World Bank Group's remote sensing introduction
Nov 16, 2015A Remote Sensing Tutorial from World Bank Group

In a effort to help sustainable development professionals learn more about Earth observation resources that can help with their work, the World Bank Group released an informational website focused on remote sensing.

DOI/Mexico signing MOU
Nov 13, 2015DOI & Mexico Sign Agreement to Share Landsat Data

U.S. Secretary of the Interior Sally Jewell, leading the U.S. delegation to the 2015 Ministerial Summit of the Group on Earth Observations (GEO), today signed an agreement with Mexico serving as a regional milestone for international cooperation [...]

Global Forest Change Map
Nov 13, 2015Free Data Proves Its Worth for Observing Earth

Since late 2008, when Landsat earth observation images were made available to all users free of charge, nearly 30 million Landsat scenes have been downloaded through the U.S. Geological Survey portal – and the rate of downloads is still increasing.

Landsat on AWS
Nov 12, 2015Half a Year, Half a Billion Landsat Data Requests

On March 19, 2015 Amazon Web Services (AWS) announced that it was hosting Landsat 8 imagery. With the help of USGS and the White House Office of Science and Technology Policy, AWS started with a collection of over 85,000 Landsat 8 scenes.

Great Plains photo
Nov 9, 2015Picture This: Newly Released Photo Catalog Puts U.S. Landscapes On Exhibit

The U.S. Geological Survey announced today that it has made part of a huge national repository of geographically referenced USGS field photographs publicly available. USGS geographers developed a simple, easy-to-use mapping portal called the [...]

14 Landsat Images Provided to the International Charter in October 2015
Oct 31, 201514 Landsat Images Provided to the International Charter in October 2015

The International Charter is a system that supplies free satellite imagery to emergency responders anywhere in the world.

2M Landsat 7 scene
Oct 28, 2015Landsat 7 Captures Two-Millionth Scene

Landsat 7, which launched on April 15, 1999, has been continuing to acquire land images worldwide for 16 years. Landsat 5 may hold the Guinness World Record for longest Earth-observing satellite at 28+ years, but Landsat 7 also has an impressive [...]

Matt Hansen
Oct 21, 2015Visualizing Data—Landsat at the World Economic Forum

The World Economic Forum has published a talk given by Illah Nourbakhsh, professor of robotics from Carnegie Mellon and Matthew Hansen, a remote sensing specialist at the University of Maryland, that demonstrates how visualizing big data can [...]

signing of agreement
Oct 19, 2015United States and European Union Sign Cooperation Arrangement on Copernicus Earth Observation Data

The European Commission and the United States signed the “Copernicus Cooperation Arrangement” which will facilitate data sharing from the Copernicus constellation of Sentinel Earth Observation satellites among a broad spectrum of users on both [...]

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 [...]

Data processing, TOA, SR of Mt. Vesuvius image
Apr 20, 2015USGS Fact Sheet on Landsat Surface Reflectance Data Available

In support of the guidelines established through the Global Climate Observing System, the U.S. Geological Survey has embarked on production of higher-level Landsat data products to support land surface change studies. One such product is Landsat [...]

Landsat mosaic of Australia
Mar 31, 2015Holding the Key—Australia Unlocks Its Landsat Archive

In Australia, the Unlocking the Landsat Archive (ULA) project has created a "living and accessible" archive of Landsat 5 and 7 data, for years 1998–2012.

Server farm at Google
Mar 26, 2015Big Data Helps Scientists Dig Deeper

In 2008, the U.S. Geological Survey took 3.6 million images acquired by Landsat satellites and made them free and openly available on the Internet.

Earth data
Mar 26, 2015More Ways to Get Landsat Data

Last Thursday, Amazon Web Services (AWS) announced that it is now hosting Landsat 8 imagery on its publicly accessible Simple Storage Service (S3).

vicarious calibration
Mar 25, 2015Landsat and the Private Tech Sector: Direct and Complementary Uses of Imagery

Landsat is a key data input for many products developed and used in water resources, agricultural monitoring, land use and land cover monitoring, forest management, and development planning.

TIRS
Mar 16, 2015L8 TIRS Data Processing Resumed

On March 13, 2015 at 4:00 pm CT, processing of Landsat 8 Thermal Infrared Sensor (TIRS) data resumed. The newly processed data includes the revised Calibration Parameter Files established after the mechanism control electronics (MCE) swap on [...]

TIRS
Mar 6, 2015TIRS Resumes Nominal Operations

The Landsat 8 Thermal Infrared Sensor (TIRS) resumed normal imaging operations.

The LDCM Thermal Infrared Sensor
Feb 26, 2015Landsat 8 Thermal Sensor Update

After extensive investigation and testing, the decision has been made to switch the TIRS Mechanism Control Electronics from the primary to redundant side on Monday, March 2, 2015.

energy reaching TIRS
Feb 19, 2015Landsat 8 Remote Sensing Special Issue

A trio of Landsat calibration scientists—Brian Markham (NASA Goddard Space Flight Center), Jim Storey (Stinger Ghaffarian Technologies for USGS EROS) and Ron Morfitt (USGS Earth Resources Observation and Science Center) Landsat 8 Special Issue [...]

Previous NLCD (2001) Alaska land cover product
Feb 18, 2015A Decade of Change in America’s Arctic: New Land Cover Data Released for Alaska

The latest edition of the National Land Cover Dataset (NLCD 2011) for Alaska is now publicly available. The extensive NLCD database continues to add to our understanding of where land cover change has occurred across the Nation over time. [...]

Elephant Foot Glacier
Feb 18, 2015Landsat Goes Over The Top: A Long View of the Arctic

On February 11, 2013, the Landsat 8 satellite rocketed into space to extend a four-decade legacy of Earth observations. A few months after launch, we published a composite of images that spanned 9,000 kilometers of land from Russia to South [...]

Landsat 8 Beauty Shot
Feb 11, 2015Landsat 8 at 2 years

Two years ago today, Landsat 8 blasted off from Vandenberg Air Force Base!