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Kristi Sayler (Former Employee)

Science and Products

Image of Land Cover Trends map for conterminous U.S.

Land Cover Trends and Assessments

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change.
By
Earth Resources Observation and Science (EROS) Center
Land Cover Trends and Assessments

Land Cover Trends and Assessments

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change.
Learn More
National Land Cover Database

Land Cover Trends

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change. The project spanned from 1999 to 2011. The research was supported by the Climate and Land Use Change Research and Development Program of the U.S. Geological Survey (USGS) and was a collaborative effort with the U.S. Environmental...
By
Western Geographic Science Center
Land Cover Trends

Land Cover Trends

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change. The project spanned from 1999 to 2011. The research was supported by the Climate and Land Use Change Research and Development Program of the U.S. Geological Survey (USGS) and was a collaborative effort with the U.S. Environmental...
Learn More

Developing an annual land surface temperature from 1985 to present for select international sites: First Outputs Developing an annual land surface temperature from 1985 to present for select international sites: First Outputs

Surface Urban Heat Island (SUHI) land surface temperature (LST) data is derived from Landsat thermal band. The LST including annual mean LST (MeanLST) and annual maximum LST (AVEMaxLST). The annual mean LST (MeanLST) therefore represents the average of all clear observations in a specific year. The seasonal maximum temperatures were then averaged to represent the annual mean maximum LST...
By
Earth Resources Observation and Science (EROS) Center

Land surface thermal feature change monitoring in urban and non-urban interface from 1985 to present (ver. 6.0, July 2025) Land surface thermal feature change monitoring in urban and non-urban interface from 1985 to present (ver. 6.0, July 2025)

Surface Urban Heat Island (SUHI) extent, intensity, and hotspots data of land surface temperature (LST) are provided across 50 regions throughout the Continental U.S. The annual land surface temperature (LST) were derived from Landsat U.S. Analysis Ready Data (ARD). The time series land surface Temperature (LST) and land cover change products were used to produce SUHI intensity and...
By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center, Landsat Missions

Modeled 2030 land cover for the Northern Glaciated Plains ecoregion Modeled 2030 land cover for the Northern Glaciated Plains ecoregion

Land use and land cover (LULC) change occurs at a local level within contiguous ownership and management units (parcels), yet LULC models primarily use pixel-based spatial frameworks. The few parcel-based models being used overwhelmingly focus on small geographic areas, limiting the ability to assess LULC change impacts at regional to national scales. We developed a modified version of...
By
Earth Resources Observation and Science (EROS) Center

Land Cover Trends Dataset, 2000-2011 Land Cover Trends Dataset, 2000-2011

U.S. Geological Survey scientists, funded by the Climate and Land Use Change Research and Development Program, developed a dataset of 2006 and 2011 land use and land cover (LULC) information for selected 100-km2 sample blocks within 29 EPA Level 3 ecoregions across the conterminous United States. The data was collected for validation of new and existing national scale LULC datasets...
By
Earth Resources Observation and Science (EROS) Center
EarthNow! Viewer
EarthNow! Viewer
EarthNow! Viewer
EarthNow! Viewer

EarthNow! Viewer

EarthNow! Viewer

The EarthNow! Landsat Image Viewer displays imagery in near real-time as Landsat satellites orbit the Earth. Along with the near real-time video stream, EarthNow! also replays acquisition recordings from previous Landsat overpasses. When Landsat satellites are out of viewing range of a ground station, the most recent overpass is displayed.

By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Landsat Missions
EarthNow! Viewer

EarthNow! Viewer

EarthNow! Viewer

The EarthNow! Landsat Image Viewer displays imagery in near real-time as Landsat satellites orbit the Earth. Along with the near real-time video stream, EarthNow! also replays acquisition recordings from previous Landsat overpasses. When Landsat satellites are out of viewing range of a ground station, the most recent overpass is displayed.

By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Landsat Missions
Filter Total Items: 35

Monitoring changes in Landsat thermal features in urban and non-urban interfaces from 1986 to 2023 in two international urban centers: Implications for climate and global issues Monitoring changes in Landsat thermal features in urban and non-urban interfaces from 1986 to 2023 in two international urban centers: Implications for climate and global issues

Rapid urbanization is reshaping thermal environments worldwide, with the strongest impacts occurring at the interface between urban and non-urban areas. Impervious surfaces, as key indicators of urban expansion, are critical for monitoring urban growth and assessing surface urban heat island (SUHI) effects. Land use and land cover change (LULCC) provides an essential link between urban...
Authors
Hua Shi, Christopher P. Barber, Kristi L. Sayler, Kelcy Smith, Reza Hussain
By
Earth Resources Observation and Science (EROS) Center, Landsat Missions

Monitoring long-term changes of urban surface temperature using time-series land cover and remote sensing data across 50 major cities in the United States Monitoring long-term changes of urban surface temperature using time-series land cover and remote sensing data across 50 major cities in the United States

The increase of developed land changes the Earth’s ecosystems and, in doing so, impacts the natural environment and further affects the services it provides to humans. Urban growth and associated land cover transitions alter the thermal and physical properties of the land surface, resulting in surface temperature change in urban areas. In this study, we integrated both land cover and...
Authors
George Z. Xian, Hua Shi, Chase William Mueller, Reza A Hussain, Kristi L. Sayler, Daniel Howard
By
Earth Resources Observation and Science (EROS) Center

The 50-year Landsat collection 2 archive The 50-year Landsat collection 2 archive

The Landsat global consolidated data archive now exceeds 50 years. In recognition of the need for consistently processed data across the Landsat satellite series, the U.S. Geological Survey (USGS) initiated collection-based processing of the entire archive that was processed as Collection 1 in 2016. In preparation for the data from the now successfully launched Landsat 9, the USGS...
Authors
Christopher J. Crawford, David P. Roy, Saeed Arab, Christopher Barnes, Eric Vermote, Glynn Hulley, Aaron Gerace, Michael J. Choate, Christopher Engebretson, Esad Micijevic, Gail L. Schmidt, Cody Anderson, Martha Anderson, Michelle Bouchard, Bruce D. Cook, Ray Dittmeier, Danny Howard, Calli Jenkerson, Minsu Kim, Tania Kleyians, Tom Maiersperger, Chase Mueller, Christopher Neigh, Linda Owen, Benjamin Page, Nima Pahelvan, Rajagopalan Rengarajan, Jean-Claude Roger, Kristi L. Sayler, Pat L Scaramuzza, Sergii Skakun, Lin Yan, Hankui K. Zhang, Zhe Zhu, Stephen G. Zahn
By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center, EROS CalVal Center of Excellence (ECCOE), Landsat Missions

Improving temporal frequency of Landsat surface temperature products using the gap-filling algorithm Improving temporal frequency of Landsat surface temperature products using the gap-filling algorithm

Remotely sensed surface temperature (ST) has been widely used to monitor and assess landscape thermal conditions, hydrologic modeling, and surface energy balance. Landsat thermal sensors have continuously measured the Earth surface thermal radiance since August 1982. The thermal radiance measurements are atmospherically compensated and converted to Landsat STs and delivered as part of...
Authors
George Z. Xian, Hua Shi, Saeed Arab, Chase Mueller, Reza Hussain, Kristi L. Sayler, Danny Howard
By
Earth Resources Observation and Science (EROS) Center, Landsat Missions

Conterminous United States land-cover change (1985-2016): New insights from annual time series Conterminous United States land-cover change (1985-2016): New insights from annual time series

Sample-based estimates augmented by complete coverage land-cover maps were used to estimate area and describe patterns of annual land-cover change across the conterminous United States (CONUS) between 1985 and 2016. Most of the CONUS land cover remained stable in terms of net class change over this time, but a substantial gross change dynamic was captured by the annual and cumulative...
Authors
Roger F. Auch, Danika Fay Wellington, Janis L. Taylor, Stephen V. Stehman, Heather J. Tollerud, Jesslyn F. Brown, Thomas Loveland, Bruce Pengra, Josephine Horton, Zhe Zhu, Alemayehu Midekisa, Kristi L. Sayler, George Z. Xian, Christopher Barnes, Ryan R. Reker
By
Core Science Systems Mission Area, National Land Imaging Program, Earth Resources Observation and Science (EROS) Center, Land Change Monitoring, Assessment, and Projection

Land change monitoring, assessment, and projection Land change monitoring, assessment, and projection

There is a pressing need to monitor and understand the rapid land change happening around the world. The U.S. Geological Survey is developing a new capability, called Land Change Monitoring, Assessment, and Projection (LCMAP), to innovate the understanding of land change. This capability is the Earth Resources Observation and Science Center's foundation for an integrated U.S. Geological...
Authors
Jennifer Rover, Jesslyn F. Brown, Roger F. Auch, Kristi L. Sayler, Terry L. Sohl, Heather J. Tollerud, George Z. Xian
By
Core Science Systems Mission Area, Earth Resources Observation and Science (EROS) Center, Land Change Monitoring, Assessment, and Projection

Science and Products

Image of Land Cover Trends map for conterminous U.S.

Land Cover Trends and Assessments

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change.
By
Earth Resources Observation and Science (EROS) Center
Land Cover Trends and Assessments

Land Cover Trends and Assessments

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change.
Learn More
National Land Cover Database

Land Cover Trends

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change. The project spanned from 1999 to 2011. The research was supported by the Climate and Land Use Change Research and Development Program of the U.S. Geological Survey (USGS) and was a collaborative effort with the U.S. Environmental...
By
Western Geographic Science Center
Land Cover Trends

Land Cover Trends

Land Cover Trends was a research project focused on understanding the rates, trends, causes, and consequences of contemporary U.S. land use and land cover change. The project spanned from 1999 to 2011. The research was supported by the Climate and Land Use Change Research and Development Program of the U.S. Geological Survey (USGS) and was a collaborative effort with the U.S. Environmental...
Learn More

Developing an annual land surface temperature from 1985 to present for select international sites: First Outputs Developing an annual land surface temperature from 1985 to present for select international sites: First Outputs

Surface Urban Heat Island (SUHI) land surface temperature (LST) data is derived from Landsat thermal band. The LST including annual mean LST (MeanLST) and annual maximum LST (AVEMaxLST). The annual mean LST (MeanLST) therefore represents the average of all clear observations in a specific year. The seasonal maximum temperatures were then averaged to represent the annual mean maximum LST...
By
Earth Resources Observation and Science (EROS) Center

Land surface thermal feature change monitoring in urban and non-urban interface from 1985 to present (ver. 6.0, July 2025) Land surface thermal feature change monitoring in urban and non-urban interface from 1985 to present (ver. 6.0, July 2025)

Surface Urban Heat Island (SUHI) extent, intensity, and hotspots data of land surface temperature (LST) are provided across 50 regions throughout the Continental U.S. The annual land surface temperature (LST) were derived from Landsat U.S. Analysis Ready Data (ARD). The time series land surface Temperature (LST) and land cover change products were used to produce SUHI intensity and...
By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center, Landsat Missions

Modeled 2030 land cover for the Northern Glaciated Plains ecoregion Modeled 2030 land cover for the Northern Glaciated Plains ecoregion

Land use and land cover (LULC) change occurs at a local level within contiguous ownership and management units (parcels), yet LULC models primarily use pixel-based spatial frameworks. The few parcel-based models being used overwhelmingly focus on small geographic areas, limiting the ability to assess LULC change impacts at regional to national scales. We developed a modified version of...
By
Earth Resources Observation and Science (EROS) Center

Land Cover Trends Dataset, 2000-2011 Land Cover Trends Dataset, 2000-2011

U.S. Geological Survey scientists, funded by the Climate and Land Use Change Research and Development Program, developed a dataset of 2006 and 2011 land use and land cover (LULC) information for selected 100-km2 sample blocks within 29 EPA Level 3 ecoregions across the conterminous United States. The data was collected for validation of new and existing national scale LULC datasets...
By
Earth Resources Observation and Science (EROS) Center
EarthNow! Viewer
EarthNow! Viewer
EarthNow! Viewer
EarthNow! Viewer

EarthNow! Viewer

EarthNow! Viewer

The EarthNow! Landsat Image Viewer displays imagery in near real-time as Landsat satellites orbit the Earth. Along with the near real-time video stream, EarthNow! also replays acquisition recordings from previous Landsat overpasses. When Landsat satellites are out of viewing range of a ground station, the most recent overpass is displayed.

By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Landsat Missions
EarthNow! Viewer

EarthNow! Viewer

EarthNow! Viewer

The EarthNow! Landsat Image Viewer displays imagery in near real-time as Landsat satellites orbit the Earth. Along with the near real-time video stream, EarthNow! also replays acquisition recordings from previous Landsat overpasses. When Landsat satellites are out of viewing range of a ground station, the most recent overpass is displayed.

By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center , Landsat Missions
Filter Total Items: 35

Monitoring changes in Landsat thermal features in urban and non-urban interfaces from 1986 to 2023 in two international urban centers: Implications for climate and global issues Monitoring changes in Landsat thermal features in urban and non-urban interfaces from 1986 to 2023 in two international urban centers: Implications for climate and global issues

Rapid urbanization is reshaping thermal environments worldwide, with the strongest impacts occurring at the interface between urban and non-urban areas. Impervious surfaces, as key indicators of urban expansion, are critical for monitoring urban growth and assessing surface urban heat island (SUHI) effects. Land use and land cover change (LULCC) provides an essential link between urban...
Authors
Hua Shi, Christopher P. Barber, Kristi L. Sayler, Kelcy Smith, Reza Hussain
By
Earth Resources Observation and Science (EROS) Center, Landsat Missions

Monitoring long-term changes of urban surface temperature using time-series land cover and remote sensing data across 50 major cities in the United States Monitoring long-term changes of urban surface temperature using time-series land cover and remote sensing data across 50 major cities in the United States

The increase of developed land changes the Earth’s ecosystems and, in doing so, impacts the natural environment and further affects the services it provides to humans. Urban growth and associated land cover transitions alter the thermal and physical properties of the land surface, resulting in surface temperature change in urban areas. In this study, we integrated both land cover and...
Authors
George Z. Xian, Hua Shi, Chase William Mueller, Reza A Hussain, Kristi L. Sayler, Daniel Howard
By
Earth Resources Observation and Science (EROS) Center

The 50-year Landsat collection 2 archive The 50-year Landsat collection 2 archive

The Landsat global consolidated data archive now exceeds 50 years. In recognition of the need for consistently processed data across the Landsat satellite series, the U.S. Geological Survey (USGS) initiated collection-based processing of the entire archive that was processed as Collection 1 in 2016. In preparation for the data from the now successfully launched Landsat 9, the USGS...
Authors
Christopher J. Crawford, David P. Roy, Saeed Arab, Christopher Barnes, Eric Vermote, Glynn Hulley, Aaron Gerace, Michael J. Choate, Christopher Engebretson, Esad Micijevic, Gail L. Schmidt, Cody Anderson, Martha Anderson, Michelle Bouchard, Bruce D. Cook, Ray Dittmeier, Danny Howard, Calli Jenkerson, Minsu Kim, Tania Kleyians, Tom Maiersperger, Chase Mueller, Christopher Neigh, Linda Owen, Benjamin Page, Nima Pahelvan, Rajagopalan Rengarajan, Jean-Claude Roger, Kristi L. Sayler, Pat L Scaramuzza, Sergii Skakun, Lin Yan, Hankui K. Zhang, Zhe Zhu, Stephen G. Zahn
By
National Land Imaging Program, Earth Resources Observation and Science (EROS) Center, EROS CalVal Center of Excellence (ECCOE), Landsat Missions

Improving temporal frequency of Landsat surface temperature products using the gap-filling algorithm Improving temporal frequency of Landsat surface temperature products using the gap-filling algorithm

Remotely sensed surface temperature (ST) has been widely used to monitor and assess landscape thermal conditions, hydrologic modeling, and surface energy balance. Landsat thermal sensors have continuously measured the Earth surface thermal radiance since August 1982. The thermal radiance measurements are atmospherically compensated and converted to Landsat STs and delivered as part of...
Authors
George Z. Xian, Hua Shi, Saeed Arab, Chase Mueller, Reza Hussain, Kristi L. Sayler, Danny Howard
By
Earth Resources Observation and Science (EROS) Center, Landsat Missions

Conterminous United States land-cover change (1985-2016): New insights from annual time series Conterminous United States land-cover change (1985-2016): New insights from annual time series

Sample-based estimates augmented by complete coverage land-cover maps were used to estimate area and describe patterns of annual land-cover change across the conterminous United States (CONUS) between 1985 and 2016. Most of the CONUS land cover remained stable in terms of net class change over this time, but a substantial gross change dynamic was captured by the annual and cumulative...
Authors
Roger F. Auch, Danika Fay Wellington, Janis L. Taylor, Stephen V. Stehman, Heather J. Tollerud, Jesslyn F. Brown, Thomas Loveland, Bruce Pengra, Josephine Horton, Zhe Zhu, Alemayehu Midekisa, Kristi L. Sayler, George Z. Xian, Christopher Barnes, Ryan R. Reker
By
Core Science Systems Mission Area, National Land Imaging Program, Earth Resources Observation and Science (EROS) Center, Land Change Monitoring, Assessment, and Projection

Land change monitoring, assessment, and projection Land change monitoring, assessment, and projection

There is a pressing need to monitor and understand the rapid land change happening around the world. The U.S. Geological Survey is developing a new capability, called Land Change Monitoring, Assessment, and Projection (LCMAP), to innovate the understanding of land change. This capability is the Earth Resources Observation and Science Center's foundation for an integrated U.S. Geological...
Authors
Jennifer Rover, Jesslyn F. Brown, Roger F. Auch, Kristi L. Sayler, Terry L. Sohl, Heather J. Tollerud, George Z. Xian
By
Core Science Systems Mission Area, Earth Resources Observation and Science (EROS) Center, Land Change Monitoring, Assessment, and Projection
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