Conference Papers
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Comparing geometric differences between Landsat Collection 1 to Collection 2 level-1 products Comparing geometric differences between Landsat Collection 1 to Collection 2 level-1 products
In late 2020 the U.S. Geological Survey (USGS) began the distribution of Landsat products associated with their collection 2 reprocessing of the archive. Several changes were implemented within the Landsat Product Generation System (LPGS) and the calibration parameters applied to the Landsat imagery for the collection 2 processing. When comparing between collection 1 and collection 2...
Authors
Michael J. Choate, Rajagopalan Rengarajan, Esad Micijevic, Mark Lubke
Preliminary assessment of the geometric improvements to the Landsat Collection-2 archive Preliminary assessment of the geometric improvements to the Landsat Collection-2 archive
The U.S. Geological Survey (USGS) has completed processing of the historical Landsat archive to Collection-2 as of December of 2020 and has released it to the public. As part of Collection-2, several geometric changes have been implemented, including changes to the ground control points (GCPs) and elevation datasets. These datasets are used as a geometric reference for all missions. In...
Authors
Mark Lubke, Rajagopalan Rengarajan, Michael J. Choate
Landsat 9: Ready for Launch Landsat 9: Ready for Launch
Landsat 9 is in its final preparations for launch from Vandenberg Space Force Base on 16 September 2021. It has completed its environmental testing at Northrop Grumman Space (NGSP) in Gilbert, Arizona and has been transported to its California launch site. It will be launched into a 705 km orbit replacing Landsat 7 to provide 8-day Earth land mass coverage in concert with Landsat 8...
Authors
Brian Markham, Cody Anderson, Michael J. Choate, Christopher J. Crawford, Del Jenstrom, Jeff Masek, Jeffery Pedelty, Brian Sauer, Kurtis Thome
Land surface temperature differences between natural and artificial turf sports fields as estimated from satellite: Examples from the United States and Europe Land surface temperature differences between natural and artificial turf sports fields as estimated from satellite: Examples from the United States and Europe
An increasing number of sports fields around the world are equipped with artificial turf. This solution has been endorsed by numerous sports federations, despite concerns about the potential for injuries and higher surface temperatures. In this work we analyzed land surface temperature in 4 pairs of natural and artificial turf sports fields in Europe and the United States using Landsat-8...
Authors
Vasco M. Mantas, George Z. Xian
Geophysical insights into Paleoproterozoic tectonics along the southern margin of the Superior Province, central Upper Peninsula, Michigan Geophysical insights into Paleoproterozoic tectonics along the southern margin of the Superior Province, central Upper Peninsula, Michigan
No abstract available.
Authors
Benjamin J. Drenth, William F. Cannon, Klaus Schulz, Robert A. Ayuso
Mineral Mapping of the Battle Mountain District, Nevada, USA, Using AVIRIS-Classic and SpecTIR Inc. AisaFENIX 1K Imaging Spectrometer Datasets Mineral Mapping of the Battle Mountain District, Nevada, USA, Using AVIRIS-Classic and SpecTIR Inc. AisaFENIX 1K Imaging Spectrometer Datasets
Imaging spectroscopy (hyperspectral imaging) has been used to successfully map minerals at the outcrop, deposit, district, and regional scale. This contribution presents spectral-based mineral maps of the Battle Mountain mining district, Nevada, USA, generated using multi-scale airborne imaging and ground-based point spectrometers. Airborne Visible/Infrared Imaging Spectrometer (AVIRIS)...
Authors
John Michael Meyer, Elizabeth A. Holley, Raymond F. Kokaly, Gregg A. Swayze, Todd M. Hoefen
Strength recovery and sealing under hydrothermal conditions Strength recovery and sealing under hydrothermal conditions
While there is significant evidence for healing in natural faults, geothermal reservoirs, and lab experiments, the thermal, hydraulic, mechanical, and chemical interactions that influence healing are poorly understood. We present preliminary results of triaxial slide-hold-slide experiments to constrain rates and mechanisms of healing. Experiments were conducted on gouge composed of...
Authors
Tamara Nicole Jeppson, David A. Lockner, Brian D. Kilgore, Nicholas M. Beeler, Joshua M. Taron
Further adventures in Mars DTM quality: Smoothing errors, sharpening details Further adventures in Mars DTM quality: Smoothing errors, sharpening details
We have used high-precision, high-resolution digital terrain models (DTMs) of the NASA Mars Science Laboratory (MSL) and Mars 2020 rover landing sites based on mosaicked images from the Mars Reconnaissance Orbiter High Resolution Imaging Science Experiment (MRO HiRISE) camera as a reference data set to evaluate DTMs based on Mars Express High Resolution Stereo Camera (MEX HRSC) images...
Authors
Randolph L. Kirk, David Mayer, Bonnie L. Redding, Donna M. Galuszka, Robin L. Fergason, Trent M. Hare, Klaus Gwinner
Point clouds of bridge generated by terrestrial laser scanner and images via Structure from Motion technique: Comparison study Point clouds of bridge generated by terrestrial laser scanner and images via Structure from Motion technique: Comparison study
A collection of points representing an object in space is commonly called a point cloud. There are several techniques for collecting point clouds. This research is focused on a comparison study of two approaches: (1) collecting point clouds with a surveying grade terrestrial laser scanner (TLS) and (2) generating point clouds from drone-taken still images by utilizing Structure-from...
Authors
Shakzod Takhirov, Robert E. Kayen
Nuclear magnetic resonanance logs of fractured bedrock at the Hidden Lane Landfill site, Culpeper Basin, Virginia Nuclear magnetic resonanance logs of fractured bedrock at the Hidden Lane Landfill site, Culpeper Basin, Virginia
In May 2018, the U.S. Geological Survey (USGS) in cooperation with the U.S. Environmental Protection Agency (EPA) collected borehole nuclear magnetic resonance (bNMR) logs in three boreholes completed in sandstone and siltstone of the Balls Bluff Member of the Bull Run Formation at a Superfund Site in Culpeper Basin, Virginia. The bNMR logs were used to aid in the evaluation of the...
Authors
Carole D. Johnson, Stephanie N. Phillips, Frederick D. Day-Lewis, Claire R. Tiedeman, Bruce Rundell, Edward Gilbert
3-D Modeling of the Duluth Complex from geophysical data 3-D Modeling of the Duluth Complex from geophysical data
The Mesoproterozoic Duluth Complex in northeastern Minnesota is one of the major plutonic components of the Midcontinent Rift System and hosts a variety of copper-nickel sulfide and platinum-group element deposits. The Duluth Complex is composed of a series of individual mafic and felsic intrusions emplaced 1110-1098 Ma within Paleoproterozoic sedimentary rocks of the Animikie basin and...
Authors
Dana E. Peterson, Paul A. Bedrosian, Carol A. Finn
Integration of geophysical evidence suggests that anorthosite composes a significant portion of Grand Marais ridge, an inferred basement high in western Lake Superior Integration of geophysical evidence suggests that anorthosite composes a significant portion of Grand Marais ridge, an inferred basement high in western Lake Superior
The Midcontinent Rift System (MRS) is expressed geophysically by a semi-linear, regional gravity high that trends across the Midcontinent and Great Lakes region of North America. The gravity high is interrupted by two prominent, semi-circular gravity lows, which have been interpreted from modeling and seismic-reflection sections as basement highs of Archean granite (Allen et al., 1997)...
Authors
V. J. Grauch, Samuel J. Heller