Articles tagged with Radar
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A kilometer-wide iron asteroid impact crater has been discovered in Greenland's Hiawatha Glacier, hidden under a half-mile-thick ice sheet. The crater, dated to the end of the Pleistocene era, was identified using radar data collected between 1997 and 2014.
Researchers have identified a large impact crater beneath Hiawatha Glacier in northwest Greenland, measuring 31 kilometers wide and featuring three distinct ice layers. The discovery suggests that the impactor could have been more than a kilometer wide, leading to significant environmental consequences.
The Global Precipitation Measurement mission provided detailed insights into Tropical Cyclone Alcide's heavy rainfall, revealing convective storms dropping rain at rates of over 255 mm/h. The satellite data showed the most powerful storms were located in the western eye wall, reaching heights above 16 km.
Tropical cyclone Alcide formed in the South Indian Ocean northeast of Madagascar, prompting NASA's Global Precipitation Measurement mission to analyze its rainfall. GPM's data revealed strong convective storms dropping rain at a rate of over 44 mm/hour, with measurements of precipitation heights made possible by DPR Ku Band radar.
Tropical Storm Xavier weakened to a remnant low pressure area on Nov 6, 2018, with strong southwesterly vertical wind shear observed. The GPM core satellite analyzed the storm's precipitation structure, revealing powerful convective storms reaching altitudes of up to 11.1 km.
A new study uses ground-penetrating radar to locate a potential mass grave site in Lithuania, shedding light on the Holocaust's dark history. The research aims to amass evidence for federal memorials and honors the victims of the Holocaust.
Hurricane Oscar has transitioned into an extra-tropical low pressure area, characterized by a loss of tropical characteristics and poleward displacement. The storm is expected to bring winds and rain to Ireland over the weekend of Nov. 3 and 4.
Typhoon Yutu's heavy rainfall was revealed by NASA's GPM satellite, affecting an area the size of Luzon. The storm's southwestern eye wall showed extreme precipitation falling at over 178 mm per hour.
A six-week scientific campaign, RELAMPAGO, aims to discover why thunderstorms in a particular region of Argentina are among the most extreme in the world. Researchers will use advanced instruments to study storm formation and behavior, with a focus on improving knowledge and prediction of violent storms.
Hurricane Willa strengthened into a Category 5 hurricane with maximum sustained winds of about 160 mph, producing heavy rainfall over western Mexico, threatening life-threatening flash flooding and landslides.
Ground penetrating radar can accurately estimate soil water content by analyzing the strength of early time signals. This technology allows for quick measurement across large field sites, enabling farmers to optimize water usage and test irrigation system efficiency.
The Global Precipitation Measurement mission analyzed Tropical Storm Sergio's rainfall in the Eastern Pacific Ocean. Rainfall rates of over 2.2 inches per hour were measured north of the storm's eye feature.
The University of Oklahoma is developing the fastest and most advanced radar in the nation with a $3.4 million grant. The HORUS radar can scan the atmosphere in 30 seconds or less and distinguish between snowflakes, raindrops, hail stones or other targets within a storm, critical for forecasting and prediction.
Researchers found that children of radar soldiers who were exposed to high doses of radiation had a higher rate of multisite de novo mutations and chromosomal alterations compared to offspring of non-radiation exposed parents. The results support the idea that accumulation of genotype damage by radiation can occur in the next generation.
The University of Oklahoma Advanced Radar Research Center is developing a mobile radar testbed to address operational missions and increase public safety outcomes. The all-digital polarimetric phased array system will provide multiple radar modes, including weather monitoring and air traffic surveillance and control.
Hurricane Walaka strengthened into a powerful hurricane with intense convective storms and rainfall rates of up to 6.5 inches per hour. The Global Precipitation Measurement mission's data revealed a well-organized storm with rapid intensification forecasted through Tuesday.
Tropical Storm Kirk is regenerating in the Lesser Antilles, bringing intense convective activity and heavy rainfall. The NASA GPM core satellite detected strong radar echoes of over 60 dBZ, indicating intense precipitation falling at rates of over 69 mm/h.
Researchers at the University of Kansas are part of a project using ultra-wideband radar to measure US snowpack depth and density. The goal is to predict snowmelt runoff and flooding potential for managing national water resources.
A new study uses weather forecasts and machine learning to predict bird migration across the United States, explaining 80% of variation in intensity. This tool helps reduce human-made threats during the migration journey, crucial for conserving migratory birds.
GPM analyzed Typhoon Jebi as it approached Japan, revealing intense feeder bands of thunderstorms and powerful downpours. The typhoon is forecast to intensify due to favorable environmental conditions, posing a threat to the Japanese islands.
Tropical cyclones regularly develop in the Eastern Pacific Ocean. NASA's GPM mission observed intense rainfall near Tropical Storm Miriam's center, with rain falling at over 190 mm per hour. The satellite's radar data revealed the 3D structure of precipitation within the storm, providing insights into energy release and fuel formation.
The GPM satellite provided highly accurate information about precipitation within Hurricane Lane, revealing intense feeder bands and eye wall storms. Rainfall rates reached over 89 mm/hour near the hurricane's eye, with some areas dropping rain at a rate of over 143 mm/hour.
A GPM satellite scan revealed Hurricane Lane's strengthening to a Category 2 hurricane, with intense rainfall rates of over 128 mm/hour and towering cloud heights. The storm's formation eye wall was accurately mapped using the satellite's radar data.
Researchers at FAU developed a procedure for detecting and diagnosing heart sounds using radar, with high correlation to traditional methods. The technology has the potential to replace stethoscopes and enable touch-free monitoring of patients' vital functions.
The Global Precipitation Measurement mission provided detailed coverage of hurricane John, revealing heavy rainfall in the eastern half of the hurricane. The satellite's radar data showed extremely heavy rainfall rates of over 2 inches per hour just east of John's eye, with storms reaching altitudes of up to 13.5 km.
The Global Precipitation Measurement mission observed Tropical Storm John's strengthening on August 6, 2018, with intense rainfall in feeder bands. The satellite's radar data revealed storm tops reaching heights above 13.7 km, indicating the storm's potential for intensification into a hurricane.
Researchers developed a more comprehensive method for measuring the Earth's boundary layer depth using radar, which constantly ebbs and flows. This improvement in accuracy can lead to better forecasts for severe weather events, air pollution, and wildfire forecasting.
Tropical Storm Hector is forming in the eastern Pacific Ocean, southwest of Mexico, according to NASA's GPM satellite observations. The storm is expected to strengthen into a hurricane with maximum sustained winds reaching 80 knots (92 mph) early next week.
Typhoon Jongdari is another dangerous storm affecting southern Japan and potentially South Korea, with intense rainfall and extreme wind speeds.
The Upper Guadiato Archaeological Ager Mellariensis project has analyzed 49 km2 of the territory containing ancient Roman city Mellaria using the COSMO-SkyMed constellation. The satellite technology has revealed invisible moist and floodable areas, groundwater flow, and lost medieval roads.
A 20-kilometer-wide lake of liquid water has been detected beneath Mars' southern ice cap using the Mars Advanced Radar for Subsurface and Ionosphere Sounding instrument. The presence of dissolved salts could lower the melting point, allowing the lake to remain liquid
Tropical Storm Ampil showed intense downpour in a band of thunderstorms northeast of its center with precipitation rates over 139 mm/h. The storm's heaviest rainfall shifted from the northern quadrant to the southern quadrant after passing by NASA's GPM and Aqua satellites
NASA's Global Precipitation Measurement mission tracked Tropical Cyclone Son-Tinh's trail of heavy rainfall, revealing intense precipitation rates of over 97 mm/hour. The storm made landfall in northern Vietnam on July 18, bringing strong winds and heavy rain to the region.
The Global Precipitation Measurement mission detected moderate to heavy rainfall from Tropical Cyclone Son-Tinh near the northern Philippines. Extremely heavy precipitation was recorded at a rate of over 6.5 inches per hour in some areas.
The Global Precipitation Measurement mission observed intense bands of precipitation wrapping around the eastern side of intensifying tropical storm Chris. Rainfall rates reached over 123 mm per hour in strong convective storms east of Chris' forming eye.
The Global Precipitation Measurement mission saw Tropical Storm Fabio intensify into a hurricane, with maximum sustained winds reaching near 75 mph. The storm's height of thunderstorms was estimated to be around 16 km, and rainfall measurements showed intense convective storms producing heavy precipitation.
Heavy rainfall was observed in Tropical Storm Prapiroon's southwestern side, with precipitation rates exceeding 192 mm/hour. The storm is expected to intensify into a typhoon and make landfall in South Korea.
The Global Precipitation Measurement mission captured extreme rainfall rates of up to 3.5 inches per hour in the northwestern Gulf of Mexico. Heavy flooding is expected along the coast of Texas into Louisiana, with a high risk of rip currents and minor coastal flooding.
Researchers from the University of Missouri developed a system that improves rainfall forecast accuracy by considering evaporation. This method uses dual-polarization radar to track raindrops and a model assessing atmospheric humidity, resulting in more accurate forecasts for locations 30 miles or more from National Weather Service radar.
NASA observed hurricane Aletta's intense rainfall rates and powerful storms before it weakened due to adverse conditions. The storm produced heavy precipitation, with radar data indicating a rate of over 142 mm per hour.
Tropical Storm Aletta was found to have intense rain bands with rainfall rates over 187 mm, and storm top heights of over 12 km. The Global Precipitation Measurement mission revealed these findings using GPM precipitation measurements.
NASA satellites provided an infrared, night-time and precipitation analysis of Tropical Cyclone Mekun, revealing powerful convective storms southwest of the center. The storm's cloud top temperatures were as cold as -63.1°C, indicating potential for heavy rainfall.
Firat Testik, a UTSA professor, aims to enhance rainfall estimations and climate modeling with his research on microphysics of rainfall. He will focus on understanding raindrop collisions and size distribution to develop more accurate weather radar predictions.
Researchers at Cornell University have combined weather radar and human observations to study bird migration patterns in North America. The study confirms key predictions of migration theory, including the role of body size, wind compensation, and behavioral shifts during migration.
Scientists from CReSIS and the US/UK will deploy radar technology to map Thwaites Glacier's bed topography and measure ocean interaction. This effort aims to predict the glacier's rapid retreat and resulting sea-level rise.
The GPM core satellite analyzed severe weather in the US, predicting a surge of spring tornadoes after a drought. Moisture-laden air from the Gulf of Mexico interacted with dry air, resulting in thunderstorms that spawned rotation and tornadoes.
Tropical Cyclone Fakir is expected to intensify as it moves southeastward, with heavy rainfall rates reaching over 8.6 inches per hour in some areas. The GPM satellite revealed bands of extremely heavy rainfall spiraling into the cyclone's southeastern side, and predicted that the storm could peak in strength on April 24.
The Technical University of Munich (TUM) has developed an adaptive algorithm called ALES+, which can accurately measure sea levels in both open and ice-covered ocean areas. This improvement enables researchers to track changes in sea level and ocean currents, crucial for understanding climate change.
The University of Oklahoma Advanced Radar Research Center is developing new antenna and related technologies for the US Navy's next-generation radar systems. The team aims to improve agility and multi-functionality, enabling future implementation on various surfaces and platforms.
Two newly discovered subglacial lakes beneath the Devon Ice Cap in the Canadian Arctic are thought to be the first isolated hypersaline lakes in the world. The lakes, containing water four to five times saltier than seawater, exist at temperatures below freezing and have the potential to support microbial life.
The Global Precipitation Measurement (GPM) mission observed heavy convective rainfall southeast of Tropical Cyclone Iris' surface center. Heavy precipitation rates were recorded at over 59 mm per hour in that area.
Researchers developed cognitive ground-penetrating radar technology, enabling real-time underground infrastructure mapping and inspection. The technology has been showcased at the National Smart Cities Conference and won a Smart 50 Award, aiming to reduce construction permits from 18 months to hours.
Tropical Cyclone Iris has taken a long and fluctuating trek since its formation in the Coral Sea. The GPM core satellite analyzed heavy rainfall as it lingered near the Queensland coast before weakening and moving away from the coast.
The GPM satellite detected strong convective storms dropping rain at a rate of over 264 mm/hour, with some reaching heights of nearly 18 km. Favorable conditions are expected to aid Jelawat's rapid intensification and make it the first western Pacific Ocean typhoon of 2018.
Researchers from Southern Methodist University used radar satellite imagery to detect significant ground movement across a 4,000-square-mile area in four Texas counties. The study found that the movement is associated with decades of oil activity and its effect on rocks below the surface.
GPM's Dual Frequency Precipitation Radar data revealed intense convective storms in Tropical Cyclone Eliakim's northwest quadrant, dropping rain at over 205 mm/hour. The storm showed improved organization and powerful convective storms on its way to landfall in Madagascar.
Tropical cyclone Eliakim is intensifying in the Indian Ocean, with NASA's GPM satellite monitoring its formation. The storm is expected to bring heavy rainfall and potentially devastating flooding to northern Madagascar, following recent tropical cyclones Ava and Dumazile.
NASA's GPM core satellite detected towering thunderstorms southeast of Tropical Cyclone Linda's center, producing heavy rainfall at rates exceeding 7.1 inches per hour. The storm's convective activity is decreasing due to dry air moving into the system and increasing vertical wind shear.
Tropical Cyclone Hola dropped heavy rainfall on Vanuatu and New Caledonia, with maximum sustained winds of 95 knots (~ 105 mph) reported. The Joint Typhoon Warning Center expects the cyclone to recurve southeastward, avoiding a direct impact with New Caledonia.
Tropical Cyclone Dumazile brought extremely heavy rainfall to Madagascar, with over 210 mm of precipitation reported along the northeastern coast. The GPM satellite detected intense bands of rain and storms dropping rain at rates of up to 160 mm/hour, causing widespread flooding.