Articles tagged with Lidar
Researchers have released high-resolution maps of Antarctica's McMurdo Dry Valleys, allowing scientists to compare present-day conditions with lower-resolution surveys conducted 13 years ago. The data provide detailed topography and insights into landscape changes, including rapid erosion along streams.
NASA's Satellite Servicing Projects Division tested three rendezvous and proximity operations sensors in a simulated environment. The testing confirmed improved performance for light intensity and range measurements, and will help build flight cameras and Lidar systems for satellite servicing.
Researchers from the Naval Research Laboratory have created a new LiDAR system that can survey obscured ground using gated digital holography methods. This technology allows for 3D topography surveys through foliage or other obstacles, with potential applications in disaster relief and self-driving cars.
Scientists at NASA's Goddard Space Flight Center are developing a space-based sodium lidar to study the complex relationship between the chemistry and dynamics of the mesosphere, which lies 40-100 miles above Earth's surface. The instrument aims to provide higher-resolution data on small-scale dynamics in the upper atmosphere.
Researchers uncover sophisticated irrigation and water-management techniques used by ancient Puebloans in the American Southwest, including the use of corn as a water-intensive crop. The team's findings shed light on how past societies managed their environment and survive in dry deserts, informing modern sustainability strategies.
Matthew McGill, a NASA Goddard researcher, has made significant contributions to understanding climate change impacts through the application of lidar technology. His work on the Cloud Aerosol Transport System (CATS) instrument has been successfully operating on the International Space Station for two years.
A space-based sensor has provided a continuous look at phytoplankton boom-bust cycles, revealing they are more tied to the push-pull relationship between predators and prey. The study suggests blooms start when growth rates are slow, not when rates reach a threshold rate.
A new instrument prototype, BILI, uses fluorescence-based lidar to search for organic bio-signatures on Mars and other targets in the solar system. The instrument can scan terrain from a distance of several hundred meters, detecting small levels of complex organic materials in real-time.
A recent study from the University of Eastern Finland developed methods to obtain indicators for tree size inequality using lidar technology. The researchers created maps of several study areas in Finland and Spain, identifying various structural properties of forests and evaluating different types of forest management regimes. These f...
A new NASA study finds that the carbon content of temperate US forests is likely overestimated by 70%, due to a sampling bias in measuring tree height and biomass. Researchers used lidar technology to analyze millions of trees, providing more accurate estimates of forest carbon storage.
A new approach uses light to move mirrors, reducing the need for external controls in LIDAR and OCT devices. This could lead to compact and lightweight components suitable for smartphones or small UAVs.
The collaboration uses G-LiHT to measure signs and symptoms of forest health, detecting changes in leaf pigments and spotting infested trees with thermal infrared cameras. This technology helps track emerald ash borer and southern pine beetle populations, informing post-infestation control measures.
The American Geophysical Union awards top honors to journalists Andrew Revkin, Douglas Fox, and Sandi Doughton for their exceptional science reporting. Revkin receives the Robert C. Cowen Award for his climate change coverage, while Fox wins the Walter Sullivan Award for his story on dust's impact on drought in the US West.
A new nanophotonic coherent imager (NCI) developed at Caltech uses an inexpensive silicon chip to provide the highest depth-measurement accuracy of any such device. The NCI produces high-resolution 3D images with micron-level resolution, enabling applications in 3D scanning and printing, driverless cars, and human machine interfaces.
The study uses LiDAR and remote sensing to create detailed maps of vegetation cover that provide concealment for prey, helping researchers understand the impact of human activities on wildlife habitats. The findings have implications for land management decisions and restoration of landscapes.
The Cloud-Aerosol Transport System (CATS) instrument on the International Space Station measures aerosols and cloud layers, providing data to improve air quality forecasts and track hazardous events like wildfires. This information will also feed into climate models to better understand Earth's energy balance.
A recent study using LiDAR technology has uncovered the ancient Roman goldmines in Spain, including channels, reservoirs, and a double river diversion. The findings provide new insights into the labour-intensive extraction process and highlight the importance of geo-archaeology in understanding Roman mining techniques.
Researchers developed a non-subjective technology to analyze and classify landslide risks on a landscape scale, revealing some areas have landslides from one time or another in history. The new system can identify risks common to broad areas, potentially leading to increased awareness and informed land use decisions.
The team used LiDAR technology to create a detailed map of the site, capturing structures that were previously inaccessible due to dense jungle canopy. By exploring these uncharted areas, researchers gained a better understanding of ancient Maya city-states and their interactions.
Scientists use LiDAR to create detailed topographical models of the Haiyuan fault zone, providing new insights into tectonic geomorphic features and displacement measurements. The high-resolution digital models enable accurate identification of fault traces and improved site-specific fault activity studies.
A new laser sensing technology developed by researchers at the University of California, Berkeley, can remotely sense objects across distances up to 30 feet, 10 times farther than current systems. This breakthrough technology has potential applications in self-driving cars, smartphones and interactive video games.
Researchers at USC have validated the quantum nature of D-Wave processors using elaborate tests on its functional qubits. The results consistently agree with quantum models but contradict classical models, indicating the presence of quantum effects.
Scientists measure pollen's optical properties using laser technology, finding it can be a significant natural source of aerosol particles. The study reveals pollen's vertical distribution in the atmosphere, highlighting its impact on air quality and temperature.
New publications in Geosphere examine the Colorado River system, sea-level change, and Grenville geology. Researchers used LiDAR technologies to study lava flows and deformation of the Reelfoot rift, providing insights into regional structure and geological processes.
Researchers used high-resolution imaging technology to locate the 1906 fault trace, resolving decades of confusion caused by human error. The primary rupture occurred along a single western trace of the San Andreas Fault, with no step-over within the town.
Researchers have developed a high-fidelity national carbon map of Panama using field data, satellite imagery, and LiDAR measurements. The maps provide unprecedented accuracy in estimating carbon stocks at the national level, with an uncertainty of around 10% per hectare.
A team of scientists from the University of Houston and a filmmaker will share their discoveries about remnants of an ancient city in the Honduran rainforest, using light detection and ranging (lidar) technology. They will also showcase previously undisclosed images of apparent archeological sites.
Researchers utilized various geoscience technologies, including LiDAR, to study geological formations and processes. The study of the Sakhalin-Hokkaido Shear Zone revealed insights into strike-slip plate boundaries, highlighting the differences between the Russian island's boundary and the San Andreas fault in California.
Mobile LIDAR promises to change the way we see, study, and record the world around us, providing highly detailed and precise maps of landscapes. The technology has vast potential in various fields, including surveying, transportation engineering, and virtual tourism.
A new Department of Energy research facility will test new technologies for offshore wind and ocean power development. The Reference Facility for Offshore Renewable Energy will help verify the accuracy of data from new measurement technologies, providing confidence for potential investors.
Recent studies in Lithosphere magazine reveal that vertical-axis rotations can significantly impact shortening estimates with potential errors of up to 14%. Additionally, researchers investigate non-Pratt component of oceanic isostasy, finding a dynamic response within the Earth's mantle necessary for equilibrium. Meanwhile, pulsed def...
Researchers at USC have demonstrated that quantum computing can potentially speed up web page ranking calculations, making it easier for search engines to keep up with the ever-expanding Internet. The study showed that a quantum computer could return the ranking of the most important pages in the web faster than traditional computers.
A new USGS study using LiDAR technology confirms the existence of previously suspected faults west of Lake Tahoe, increasing seismic hazard assessment for the region. The study also identifies an earthquake-induced landslide hazard along the fault-formed range front.
Researchers used LIDAR technology to track the volcanic ash cloud's movement and composition, revealing a mix of fine and thick particles. The study aimed to improve air navigation safety and provide valuable data for crisis management.
Researchers have mapped past ruptures consistent with very large earthquakes along the Clark Fault, an individual strand associated with the San Jacinto Fault system. LiDAR technology was used to analyze terrain and identify three large seismic events at evenly spaced intervals.
Researchers create comprehensive 3-D map of earthquake zone using LiDAR technology, revealing details of fault ruptures and deformation. The study provides insights into how earthquakes change the landscape, shedding light on minor faults that contribute to major earthquakes.
A team of scientists used LiDAR to create a detailed 3-D map of the earthquake zone, revealing deformation around small faults that caused the quake. The study provides insight into how multi-fault earthquakes occur and sheds light on the behavior of earthquake faults.
Recent geosphere research interprets Eocene–Early Miocene paleotopography in Nevada and examines the origin of the Colorado Mineral Belt. The study also investigates Miocene magmatism in the Bodie Hills volcanic field, California and Nevada, and compares mountain building processes in Alaska.
Researchers at Oregon State University have developed a new computer program that enables highway construction engineers to analyze soil movements caused by active landslides and erosion in real-time. This technology uses LIDAR to better assess and deal with these issues, ultimately improving construction quality and safety.
Researchers found that a buried mangrove layer in the Caribbean dampens seismic waves, reducing liquefaction risk. A new active fault was also identified near Lake Tahoe using LiDAR technology, potentially threatening the area with a magnitude 6.4-6.9 earthquake.
Researchers used LIDAR technology to measure changes in coastal morphology following a catastrophic series of landslides in Matata, New Zealand. The study found that debris flows sourced from the Awatarariki stream transported over 350,000 cubic meters of debris, and mapped sediment flow paths with high accuracy.
Scientists have created a first-of-its-kind map detailing the height of the world's forests using satellite data. The map provides insights into how much carbon the world's forests store and how it cycles through ecosystems, helping to explain the 'missing' 2 billion tons of carbon annually.
Researchers from the University of Central Florida used LiDAR technology to map the ancient Maya city of Caracol, detecting over 11,000 new structures and confirming its size. The technology revealed extensive agricultural terracing, showing the Maya were adept at 'building green' long before modern terminology.
The SPALINET lidar network aims to improve aerosol measurement quality in the Iberian Peninsula and Canary Islands. By combining satellite and ground-based data, researchers can better understand aerosol transport and impact on global radiation balance.
The Rochester Institute of Technology is using a high-tech imaging system to map the damage in Haiti and provide critical insight for recovery efforts. The system, which combines thermal imaging and LIDAR technology, is being used to detect fires, chemical spills, and surface contamination.
The San Diego Supercomputer Center (SDSC) at UC San Diego and Arizona State University will operate an internet-based national data facility for high-resolution topographic data acquired with LiDAR technology. The facility, funded by the NSF, will provide online processing tools and act as a community repository for information.
A Spanish research team characterized the climatic impact of desert dust using a new Lidar technique. The scientists, led by Professor Lucas Alados Arboledas and Juan Luis Guerrero Rascado, found that atmospheric aerosol influences Earth's radioactive balance, potentially leading to warming or cooling.
Researchers at NIST have developed a laser ranging system that can pinpoint objects with nanometer precision over distances up to 100 kilometers. The novel LIDAR system combines the best of two approaches and features rapid updates from multiple reference points simultaneously every 200 microseconds.
A new study reveals that airborne laser elevation (lidar) surveys provide a 10-fold improvement in topographical feature measurement precision. This technology adds greater clarity to mapping streams and rivers, allowing for better habitat analysis and restoration. The results have significant implications for various fields such as fo...
A new LIDAR system developed by EPFL will provide continuous data on atmospheric humidity for Western Switzerland's weather forecasting headquarters. The system offers excellent spatial and temporal resolution, outperforming traditional LIDAR systems in stability and reliability.
Researchers have developed a mobile lidar station that can measure wind fields more accurately, which could help world-class athletes compete in international competitions. The technology is being tested in conjunction with the XXIX Olympic Games and Paralympic Games in Qingdao.
Two Montana State University graduate students, David Hoffman and Amin Nehrir, have been awarded prestigious $30,000 NASA fellowships for their research on lidar technology. They will work with top scientists at NASA's Langley Research Center, developing instruments to study the climate and atmospheric science.
The European research project EARLINET-ASOS is analyzing the effects of atmospheric aerosol particles on climate change. By monitoring aerosol concentrations and origins across Europe, scientists aim to improve predictions of climate systems.
Researchers at RIT's RIDL create a new type of LIDAR detector that can build high-resolution topography and atmospheric property measurements. The device will extend NASA science capabilities for planetary applications, enabling robots and astronauts to navigate and explore celestial bodies with greater accuracy.
A University of Houston geologist has found over 300 surface faults in Harris County, posing a risk to buildings and infrastructure. The faults could move up to 1 inch a year, causing damage over several years and potentially leading to flooding on the subsiding side.
Researchers are developing a new method for measuring forest carbon stores on a large scale using the ECHIDNA instrument. The technique combines ground-based LiDAR data with airborne and spaceborne sensors to provide accurate estimates of forest biomass.
Recent advancements in remote sensing technologies, such as lidar and high fidelity imaging spectroscopy, enable researchers to study ecological systems at multiple levels. These tools provide essential information for characterizing landscape dynamics and quantifying ecosystem functions related to biogeochemical cycling.
Researchers at Woods Hole Research Center are using laser remote sensing (lidar) to study biological diversity and predict bird species richness. Lidar data provides unique measurements of vegetation structure, which is linked to habitat complexity and animal species richness.
The U.S. Geological Survey's Coastal and Marine Geology Program investigates the extent and causes of coastal impacts of hurricanes and extreme storms on U.S. coasts. NASA technology provides rapid assessment of coastal conditions, supporting USGS research programs and emergency response agencies.
Researchers have completed the most meticulous survey ever made of the San Andreas Fault, revealing detailed features that were previously unseen. The 'B4' Project used ultra-high-resolution global positioning system (GPS) technology and a radar-like system called lidar to map the fault with 5-centimeter vertical resolution.