PODCAST · science
Eyes on Earth
by USGS
Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center.
Episodes
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Eyes on Earth Episode 137 – Landsat Takes Yellowstone’s Temperature
The Yellowstone National Park area has more than 10,000 thermal features. And while Old Faithful is a pretty predictable geyser, some thermal features can change quite a bit. New ones can even pop up! Remote sensing provides a tool for monitoring them—especially the thermal infrared sensors…
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Eyes on Earth Episode 136 – The EROS Test Site
Landsat has been accurate and reliable for over 50 years because of the diligent calibration and validation work done by the team at EROS. One of the ways the team validates what they have so carefully calibrated is to take measurements on the ground while Landsat passes by overhead. For this…
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Eyes on Earth Episode 135 – Exotic Annual Grasses and Sheep Grazing
Exotic annual grasses, or EAGs, are invasive species. They outcompete native grasses. They are extremely flammable. And they are expanding into higher elevations. Targeted sheep grazing is one way to combat these invasive grasses, manage fire risk, and help restore native sagebrush in western...
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Eyes on Earth Episode 134 – Data Accuracy: The Calibration and Validation of Landsat
Landsat is the longest-running, continuously operating record of Earth observations, and it’s the gold standard reference point that other civil and commercial satellite programs trust. If a researcher is studying multiple Landsat images of the same spot on Earth, and there is something in those...
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Eyes on Earth Episode 133 – Vietnam War Bomb Craters
Declassified spy satellite imagery, distributed by the USGS EROS Center, is finding fascinating uses since being made available to the public starting in the 1990s. In this episode of Eyes on Earth, we talk with Philipp Barthelme from the University of Edinburgh, who used imagery from the...
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Eyes on Earth Episode 132 - Moving Forward with AI at EROS
Eyes on Earth tackles artificial intelligence (AI) in a 2-part episode. AI is quickly becoming a necessary part of geospatial work at EROS, helping us efficiently do science to better manage our world. In Part 1, we talked about AI’s current and upcoming impact on our work at EROS and clarified...
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Eyes on Earth Episode 131 – Using AI in Geospatial Work
Eyes on Earth tackles artificial intelligence (AI) in a 2-part episode. AI is quickly becoming a necessary part of geospatial work at EROS, helping us efficiently do science to better manage our world. In Part 1, EROS Director Pete Doucette discusses AI and its current and upcoming impact on our...
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Eyes on Earth Episode 130 – NLCD Accuracy
Every pixel has a story. At least that’s how land remote sensing scientist Jo Horton sees it. The new Annual National Land Cover Database (NLCD) was just released in October 2024. NLCD is widely used for land cover and change research in the U.S. That’s why the Reference and Validation team...
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Eyes on Earth Episode 129 – What Happens During a Landsat Pass?
In this episode of Eyes on Earth, we talk to ground station technicians to find out how Landsat satellite data gets from the spacecraft to EROS and then to the archive. We see what it’s like in EROS’s Landsat operations room and what the technicians do before, during, and after a Landsat pass.…
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Eyes on Earth Episode 128 – 2024 EROS Fall Poster Session
In this episode of Eyes on Earth, we mingle at the 2024 EROS Fall Poster Session. A poster session is essentially a way for scientists to share their work with their colleagues in a public forum. About 30 posters were on display in the EROS atrium from EROS staff and several students from South...
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Eyes on Earth Episode 127 – The Historic Landsat 7 Mission
In this episode of Eyes on Earth, we talk about the incredible career of Landsat 7, which collected science imagery of the Earth for nearly 25 years. The Flight Operations Team at NASA Goddard Space Flight Center and engineers at EROS work together to collect imagery, send commands to the...
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Eyes on Earth Episode 126 – Annual NLCD
In this episode of Eyes on Earth, we talk about the latest release of the National Land Cover Database (NLCD). More than just a map, NLCD is a stack of maps—a database. It has long been the foundational land cover source for scientists, resource managers, and decision-makers across the United...
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Eyes on Earth Episode 125 – The LANDFIRE Program at 20
In this episode of Eyes on Earth, we talk about the Landscape Fire and Resource Management Planning Tools (LANDFIRE) project, which is commemorating its 20th year of providing geospatial data to support natural resource management and wildland fire planning. LANDFIRE brings a lot of data…
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Eyes on Earth Episode 124 – Mapping Fires in Utah
In this episode of Eyes on Earth, we talk to forest ecologist Jim Lutz about the effort to map fires in Utah. Fire research in the West is dominated by the study of large fires, but the forests in Utah are different. Utah typically does not have a lot of large fires as other western states do. So...
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Eyes on Earth Episode 123 – Bathymetry Mapping
This Eyes on Earth episode is the third in our series on using Landsat for coastal studies. We talk to physical geographer Jeff Danielson about bathymetry and how it is critical for coastal modeling. Bathymetry captures the shape of underwater topography, and satellite-derived bathymetry helps…
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Eyes on Earth Episode 122 – EROS Interns, 2024
In this episode of Eyes on Earth, we talked with some of the interns who worked at EROS this summer. They shared their experiences learning about the cloud, AI, wildland fire research, terrestrial lidar scanning, and more. The common theme among them was recognizing the value of the EROS mission...
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Eyes on Earth Episode 121 – Mapping the Australia Coastline
This episode of Eyes on Earth is the second in a series about how Landsat is helping researchers study coastal changes. The first one was about mapping changes to beaches in California and using Landsat to create models to predict how the coastline may change in the future because of sea level…
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Eyes on Earth Episode 120 – Mapping the California Coastline
In this episode of Eyes on Earth, we begin a series on Landsat’s usefulness in coastal studies. First, we talk with Sean Vitousek, a USGS research oceanographer, about changes to beaches in California and how he is using Landsat and other data to create models that can predict how the coastline…
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Eyes on Earth Episode 119 – Kristi Kline: EROS Career Reflections
In this episode of Eyes on Earth, we talk with Kristi Kline about the constant changes and innovations that have been needed at EROS to keep up with changes in computer tech and data processing. Kline has been a part of helping to implement these changes over the past 27 years and is now retiring...
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Eyes on Earth Episode 116 – Landsat Images the Twilight Zone
Landsat has documented changes all over the world for over 50 years. Changes in polar regions are happening especially rapidly. But it’s dark in polar regions much of the time. Therefore, a new acquisition scheme is adding more imagery of these dark, polar regions so these changes can be studied…
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Eyes on Earth Episode 115 – EROS Women in Science
Women have been crucial to the EROS workforce from the very beginning in a variety of areas, from customer service and computers to film processing and administration. In this episode of Eyes on Earth, we’re highlighting the science work that women have been part of, which includes plenty of...
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Eyes on Earth Episode 114 – The Color of Water with Landsat
Typically, we use Landsat data to study changes on the land—you know, Landsat. In this episode of Eyes on Earth, we learn how satellite images and pixels of water, along with actual water samples, are helpful in determining the productivity of lakes across the United States. We talk with…
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Eyes on Earth Episode 113 – EROS Science Leader’s Vision
Terry Sohl helped develop the National Land Cover Database, NLCD, when he first arrived, and now he’s overseeing significant improvements to the widely used product. But that’s just one part of his new role. In this episode of Eyes on Earth, Sohl provides an overview of the science efforts at…
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Eyes on Earth Episode 112 - Landsat in Popular Media
In this episode of Eyes on Earth, we aim to separate science fiction from science fact when it comes to how Landsat satellites and the EROS Center are portrayed in popular media. To do that, we consulted experts on a range of potential uses, including military, heat signatures, paleontology, and...
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Eyes on Earth Episode 111 – Mendenhall Fellow’s Drought Forecasting
In this episode of Eyes on Earth, we spoke with Mikael Hiestand, a Mendenhall Postdoctoral Fellow. Using algorithms developed at EROS, Mikael is working on near-term drought forecasting. With synthetic Landsat data, he found that predicting evapotranspiration could be used as a means of drought...
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Eyes on Earth Episode 110 – Geospatial Information Response Team
First responders need reliable, accurate mapping capabilities as quickly as possible in the wake of a disaster—and they don’t have time to download and organize it. In this episode of Eyes on Earth, we learn how the USGS Geospatial Information Response Team draws data from multiple sources to…
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Eyes on Earth Episode 109 – Fall 2023 EROS Poster Session
In this episode of Eyes on Earth, we hear from several EROS staff members and university graduate students who took part in our Fall Poster Session. Lively conversations filled the EROS atrium during the hour-long event. Participants got to learn from one another as they shared their work. We...
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Eyes on Earth Episode 108 – Landsat 8’s 100th Drag Make-Up Maneuver
The Landsat Program is considered the gold standard for satellite Earth-observation imagery. To keep it that way, the USGS EROS Flight Operations Team continually monitors the flight paths of the Landsat satellites to make sure they stay at a consistent 705-kilometer altitude. That means…
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Eyes on Earth Episode 107 – EROS 50th: Land Cover, Part 2
The National Land Cover Database (NLCD) has a long history as the definitive U.S. land cover product. But the newer Land Change Monitoring, Assessment and Projection (LCMAP) effort takes a longer look back in time. In this episode of Eyes on Earth, we learn how the two projects at EROS, both…
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Eyes on Earth Episode 106 – EROS 50th: Land Cover, Part 1
Several decades ago, USGS EROS employees were pioneers in land cover mapping—turning satellite imagery into a record of what covers the land, from farmland to forest to urban areas. National and global datasets with a variety of uses resulted from these efforts. In this episode of Eyes on Earth…
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Eyes on Earth Episode 105 – Imagery Challenges of Alaska
In this episode of Eyes on Earth, we focus on Alaska. Rich in wildlife and natural resources, not to mention its sheer size, Alaska has long been a source of fascination for remote sensing scientists. But it is also a source of frustration, with frequent cloud and snow cover and months of…
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Eyes on Earth Episode 104 – EROS 50th: Alumni and Friends, Part 2
At the USGS EROS 50th anniversary events on August 17-19, 2023, a special effort was made to include alumni who had worked at the center, especially those from the earliest years of EROS’ existence. This episode of Eyes on Earth is the second to highlight their stories, with emphasis on science,...
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Eyes on Earth Episode 103 - EROS 50th: Alumni and Friends, Part 1
At the USGS EROS 50th anniversary events on August 17-19, 2023, a special effort was made to include alumni who had worked at the center, especially those from the earliest years of EROS’ existence. This episode of Eyes on Earth highlights their stories, with emphasis on EROS’ history and its...
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Eyes on Earth Episode 102 – LANDFIRE 2022 Update
LANDFIRE, short for Landscape Fire and Resource Management Planning Tools, is a key national data source for the management of wildfires, management of the plant materials that fuel fires, and planning for prescribed fires across all 50 states and the U.S. territories. The data products, partly...
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Eyes on Earth Episode 101 – EROS 50th: Director Pete Doucette Looks Ahead
EROS Center Director Pete Doucette has been at EROS for a fairly short stretch of the center’s 50-year history, but his passion for the mission of EROS and its opportunities in the future are clear in this episode of Eyes on Earth. He shares the historic event he would have enjoyed being part of…
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Eyes on Earth Episode 100 – EROS 50th: Our Legacy
As USGS EROS turns 50 this month, our Eyes on Earth podcast also marks a big moment: Episode 100. To celebrate, we bring together some treasured moments from previous episodes in which people inside and outside of EROS share their thoughts on EROS and its role in the world of remote sensing,...
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Eyes on Earth Episode 99 – EROS 50th: Interns Who Stayed
EROS has a long history of reaching out to universities to welcome interns who can both contribute to the center and gain valuable skills and experience. A good number of them went on to spend their careers at EROS, some for more than three decades. In this episode of Eyes on Earth, these interns...
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Eyes on Earth Episode 98 – EROS 50th: Conservation
In this episode of Eyes on Earth, we talk about the 50-year history of EROS efforts to preserve the environment and conserve energy. EROS was born in the ’70s, the same decade as Earth Day, the EPA, and the oil crisis. Environmentally conscious decisions implemented by both the EROS Center and…
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Eyes on Earth Episode 97 – EROS 50th: Earth As Art
Satellites capture an incredible variety of views of Earth. In this episode of Eyes on Earth, we talk with the three engineers at USGS EROS who started the USGS Earth As Art project. The Earth As Art origin story is an example of the initiative and creativity of EROS staff. This stunningly visual...
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Eyes on Earth Episode 96 – Generational Science
In this episode of Eyes on Earth, we talk with Peder Nelson about generational science and the responsibility we have to future generations to study our changing planet. It takes more than just data to make sense of land change. And while remote sensing scientists work with the deep archive of...
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Eyes on Earth Episode 95 – EROS 50th: Landsat Science Team
The members of the five-year Landsat Science Teams, led jointly by the USGS and NASA with a strong tie to EROS, have brought a wide breadth of expertise, backgrounds and geographic locations to the table. In this episode of Eyes on Earth, we learn how members have explored strategies for the...
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Eyes on Earth Episode 94 – EROS 50th: Collaborations with SDSU
South Dakota State University opened its Remote Sensing Institute even before the launch of Landsat 1 and the selection of South Dakota as the location for EROS. In this episode of Eyes on Earth, we talk about some of the collaborations that SDSU and EROS have both benefited from, including...
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Eyes on Earth Episode 93 – EROS 50th: Film Scanning
Working with film has always been part of EROS’ 50-year history. How did EROS end up with an extensive film archive, and how are we making that data available to users? In this episode of Eyes on Earth, we talk about the custom scanners built in-house from discarded parts to digitally capture...
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Eyes on Earth Episode 92 – EROS 50th: The Library and Science Support
The Don Lee Kulow Library has been supporting scientific research at EROS since before the facility opened its doors in 1973. In this episode of Eyes on Earth, librarian Carol Deering explains how, rather than becoming obsolete with the advent of instant access to online journals, libraries are...
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Eyes on Earth Episode 91 – Intro to AmericaView
AmericaView aims to advance Earth observation education through a network of programs based at universities in more than 40 states. In this episode of Eyes on Earth, we talk about AmericaView’s goals and how AmericaView and its member states explain remote sensing efforts to society in a variety…
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Eyes on Earth Episode 90 – Landsat 8 Turns 10
Originally called the Landsat Data Continuity Mission, Landsat 8 launched on February 11, 2013. In this episode of Eyes on Earth, we talk about the 10^th^ anniversary of Landsat 8 being in orbit and its value to the remote sensing community. While we cannot predict the future, it does look...
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Eyes on Earth Episode 89 - EROS Workers and Weather
When the snow gets deep and the wind blows, it can be challenging for workers to travel to the USGS EROS Center, located several miles north of Sioux Falls, SD, on what used to be farmland. Most can telecommute these days, but in this episode of Eyes on Earth, we discover how essential employees...
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Eyes on Earth Episode 88 – Landsat 5’s Significance, Part 2
Designed to last three years, Landsat 5 was launched in 1984 and transmitted data until the launch of Landsat 8 in 2013. In this episode of Eyes on Earth, we learn about some of the challenges—and adrenaline rushes—Landsat 5 gave the flight operations team as it aged, as well as the fondness our...
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Eyes on Earth Episode 87 - Landsat 5's Significance, Part 1
Designed to last three years, Landsat 5 launched in 1984 and transmitted data until the launch of Landsat 8 in 2013. In this episode of Eyes on Earth, we learn about the significance of this satellite, which set a Guinness World Record for “Longest Operating Earth Observation Satellite.” Our two...
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Eyes on Earth Episode 86 - Tours at EROS
The USGS EROS Center is the home of the Landsat satellite archive. This data center and science center located on a former farm near Sioux Falls, SD, is one of the largest civilian archives of land imaging in the world. In this episode of Eyes on Earth, we discuss what visitors to EROS will learn...
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ABOUT THIS SHOW
Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center.
HOSTED BY
USGS
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Frequently Asked Questions
How many episodes does Eyes on Earth have?
Eyes on Earth currently has 134 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Eyes on Earth about?
Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center.
How often does Eyes on Earth release new episodes?
Eyes on Earth publishes regularly with 134 episodes available. Check the episode list for the typical release schedule.
Where can I listen to Eyes on Earth?
You can listen to Eyes on Earth on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Eyes on Earth?
Eyes on Earth is created and hosted by USGS.
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