Core Science Systems


Our multimedia gallery represents a collection of high-quality images, videos, webcams, posters, presentations, and documents produced by Core Science Systems.

Filter Total Items: 710
July 12, 2021

Earth as Art 2 - AD

The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance. Earth As Art shows not only what satellites capture in the visible wavelengths of light you and I can see, but also what’s hiding in the invisible wavelengths that Landsat sensors can detect in the infrared

color image of Jon Dewitz with the graphic for the USGS EROS podcast Eyes On Earth
July 11, 2021

Eyes on Earth Episode 54 - National Land Cover Database 2019

The National Land Cover Database, or NLCD, was the first and remains the most well-known set of satellite-based land cover mapping products released by EROS. It sorts the each 30-by-30-meter plot of land in the United States into a land cover class, such as cropland, pasture, high-intensity developed, deciduous forest, and the like. It also includes information on

June 21, 2021

Hydropower in Ethiopia

A 1.1 mile long 509 foot tall concrete dam spanning the Blue Nile River is set to become the largest hydropower plant in Africa. Under construction since 2011, the Grand Ethiopian Renaissance Dam is expected to produce around 16,000 gigawatt-hours of electricity annually when fully complete in 2023 providing power to 60% of Ethiopia's estimated 115 million people.

Ellen Whitman and Rob Skakun of Natural Resources Canada with the graphic for the USGS EROS podcast "Eyes on Earth"
June 1, 2021

Eyes on Earth Episode 53 - Remapping Canada's Fire History

Mapping fire perimeters is important work. It guides post-fire restoration efforts, fire mitigation strategies, and helps track of trends in burn severity over time. In the past, many of Canada’s fire agencies relied heavily on techniques like sketch mapping, which estimate burned area without exact measurements. In the pre-satellite era, pilots would sometimes fly over

May 27, 2021

LANDFIRE 2019 Limited Update

The LANDFIRE (LF) program is working to increase the frequency of product releases and to reduce the latency of the LF products by producing annual version releases that reflect data less than one year behind current conditions and represent data conditions homologous to the growth that one would expect in areas of change/disturbances up to the year when the products are

May 27, 2021

Image of the Week - 3 Decades of Lithium in Chile

If you're watching this video, you're probably using a lithium battery. Smartphones, tablets and laptops all rely on lithium metal to store energy. It comes from surface mines or brine ponds, found in places like Australia, China and the United States. One of the leading sources for this increasingly valuable resource is the South American nation of Chile.

On the

Landsat 8 Collection 2 image of the Menindee Lakes in Australia
May 14, 2021

Landsat 8 Collection 2 image of the Menindee Lakes in Australia

The Menindee Lakes in the Far West of New South Wales, Australia, are seen in this Landsat 8 Collection 2 image from May 14, 2021, and is shown as a natural color composite using the red, green, and blue bands (Bands 4,3,2).

Located along the Darling-Baaka River, the series of naturally occurring shallow, ephemeral lakes were modified with regulating structures for

Terry Sohl and Jordan Dornbierer with the logo for the USGS EROS podcast "Eyes on Earth"
May 6, 2021

Eyes on Earth Episode 50 – Delaware River Basin

About 15 million people rely on the Delaware River Basin for drinking water, including residents of Philadelphia, PA, Camden, NJ, and Wilmington, DE. What might happen to the water supply if climate change and population growth continue unabated? How might that impact land cover and land use patterns? Those are the kinds of questions scientists at EROS looked to answer in

May 4, 2021

Landsat in the Cloud: COGs and Notebooks

In the past, users spent 80% of their time downloading and preparing Landsat data to be processed. With Landsat in the cloud, you can get direct access to stream the Landsat archive without the need to download large amounts of files, by leveraging the Cloud Optimized Geotiff, or "COG". COGs are just like the Geotiff that you're used to only unpackaged and internally tiled

May 4, 2021

Image of the Week - Wildfires Burn in the Shadow of Mount Rushmore

In late March of 2021, just four miles from the edge of South Dakota's second-largest city, two wildfires sparked by human activity burned through a section of the Black Hills.

The Schroeder fire began on March 29. It was fueled by high winds and dry conditions, spreading rapidly across more than 2000 acres, forcing the evacuation of neighborhoods and businesses.

Krishna Bhattarai with the logo for the USGS EROS podcast Eyes on Earth
May 3, 2021

Eyes on Earth Episode 49 – Fire Atlas

Teams at the USGS EROS Center have completed fire atlases for nine National Parks across the U.S. Each atlas defines the size and severity of each fire in each park since 1984, including fires too small to be mapped by other programs. Yellowstone National Park has had nearly 100 fires, for example, ranging from a few acres to thousands of acres. The project used data from

Color photo of Kori Blankenship with the logo for the USGS EROS podcast "Eyes on Earth"
April 29, 2021

Eyes on Earth Episode 56 - Modeling the Past to Plan for the Future

Mapping land cover in the United States in the present isn’t a simple job, but satellites like Landsat make it possible. Mapping conditions in the pre-satellite era, which the LANDFIRE program does through its Biophysical Settings (BpS) GIS data products, is a far trickier proposition. BpS essentially offer a spatially-explicit map of pre-Colonial land cover in the U.S.,