Articles tagged with Observational Data
The system gathers detailed info about weather and road conditions from moving vehicles, providing critical alerts to drivers. The goal is to reduce crashes, injuries, and deaths by giving drivers timely warnings about nearby hazards.
After completing the Launch and Early Orbit Phase (LEOP), GOCE's control systems have been confirmed to be operating normally. The Satellite-to-Satellite Tracking Instrument (SSTI) has also been successfully switched on, enabling autonomous orbit determinations.
The NOAA CDR Project aims to address climate change data challenges by stitching together heritage satellite data and incorporating future sources like NPOESS. This project will deliver regular climate information following rigorous scientific standards, enabling understanding of climate variability and change.
Scientists explore relationship between sea surface temperature and seasonal hurricane activity, finding differing interpretations of observational record can imply vastly different futures. The 'relative' SST hypothesis suggests a similar recent past trend with natural climate variability, while the local SST hypothesis predicts highe...
A team led by Livermore scientists has reconciled the differences between simulated and observed temperature trends in the tropics. They applied a modified statistical test to account for uncertainty in observational data and found no fundamental discrepancy between modeled and observed trends. This reconciliation is thanks to the use ...
Recent measurements of the Earth's magnetic field revealed surprisingly fast motions in the fluid at the core, changing over just a few months. This change affects the Planet's magnetic field and is also linked to variations in Length-of-Day.
The UK's proposed TRUTHS satellite mission seeks to settle international debates on climate change by launching a calibration laboratory into space. This will enable more accurate climate data and inform predictive quality of climate models.
Researchers found that pollutants from forest fires in Alaska and Canada significantly increased ozone pollution levels above Houston on July 19-20, 2004. The study highlighted the critical role of imported sources in local air quality, emphasizing the need for improved air quality forecasting and solutions.
The VENUS facility offers a unique window into the world under the sea, with a centralized data management system providing unrestricted access to long-term ocean observations. The observatory has already archived over 35 million measurements and dozens of gigabytes of acoustic and visual data.
A team led by Zhang aims to improve daily weather forecasts by integrating vast amounts of observational data. Ensemble-based data assimilation focuses on incorporating uncertainties surrounding previous forecasts and current observations, using statistics to estimate initial conditions.
Researchers used Hubble data to study Io's mantle, finding similarities with Earth's. The study suggests Io may have undergone differentiation in a process similar to Earth's, indicating a similar oxidation state in the mantle.
New data from an NHLBI pediatric AIDS study show no significant differences in cardiac function between children exposed to AZT and those not exposed. The study provides reassuring evidence that AZT is not associated with any significant negative clinical effects on the heart.
A new review paper by University of Colorado at Boulder researcher Mark Serreze and nine co-authors confirms that Arctic temperatures have warmed to the highest levels in four centuries, largely due to human activity. The study also highlights the degradation of climate data from the region, threatening long-term monitoring efforts.
The Two-Micron All Sky Survey (2MASS) has released a massive dataset of infrared images, containing half a million galaxies and 162 million stars. The images are now available for the general public to view on their home computers, thanks to the collaboration between UMass and NASA.
A University of Iowa researcher and his colleague confirm the validity of scientific theories on ancient marine life by testing library-based databases. They found that up to 70% of entries are inaccurate but randomly distributed, not introducing bias into patterns.
A recent MIT study found that online retailers, such as Amazon.com, charge higher prices than low-cost competitors like Books.com and CD Universe. The study reveals substantial differences in prices across retailers on the Internet, with top brands maintaining price advantages despite lower costs.
Scientists at NASA's Goddard Space Flight Center will present new findings on the impact of urbanization on photosynthetic production, climate change in coastal regions, and Arctic warming. These studies provide valuable insights into the effects of human activity on the environment.
The MAXIMA experiment provides evidence for a flat universe, inflation, and a cosmological constant. The study confirms predictions made before the experiment, supporting the standard cosmology.
The BOOMERANG experiment found a flat universe by analyzing cosmic microwave background radiation data. The team used the NERSC supercomputer to process the large dataset and derive fundamental cosmic parameters with high accuracy.
BioNumerik reports success with its engineered cancer agents, demonstrating reduced toxicity while preserving antitumor activity. The company plans to initiate Phase 3 trials for BNP7787 and expand clinical trials for Karenitecin BNP1350.
Astronomer Alberto Conti and colleagues have developed a new technique to analyze massive galaxy data using computer analysis. By combining theoretical analysis with statistical techniques, they aim to uncover the most important attributes of galaxies that can be observed.
The Landsat 7 spacecraft has acquired over 50,000 scenes of the Earth's surface, providing detailed images of natural disasters, unique weather patterns, and glacial changes. The satellite's data will support global change research and inform decision-making about environmental issues.
Researchers discuss seasonal cycles of air exchange, improved models for water vapor, and aerosol levels rising. They also examine the decay rate of aerosols in models versus satellite observations and their impact on Earth's climate.
Arctic sea ice has been declining at an alarming rate, with a downward trend of 37,000 square kilometers per year over the past 19.4 years. A new study suggests that human-induced global warming may be contributing to this decline.
Scientists have reported a striking decline in Arctic sea ice thickness since the 1960s, with an average reduction of 4.3 feet. The study analyzed data from three autumn cruises and found a perennial ice cover of 1-3 meters, significantly thinner than previous estimates.
Researchers analyzed emissions data from over 2 million vehicles in metro Atlanta, finding that aging vehicles release more pollution as they get older. Fuel-injected vehicles tend to deteriorate slowly, but with people driving longer, catastrophic failures are expected to increase.
Researchers have discovered motion along the southern portion of the boundary between the west African (Nubian) and east African (Somalian) plates. The finding helps geologists understand how the East African rift fits into plate tectonics, improving global models for predicting India-Eurasia collision.
A team of researchers has devised a way to track Antarctic Weddell seals as they hunt using a small video system and data logger attached to their backs. The equipment enables the researchers to compute the three-dimensional path of individual dives, allowing for major advancements in understanding underwater behavior.
The study adds 1998 data to a two-decade global temperature trend, showing significant warming in the troposphere and cooling in the lower stratosphere. The results contradict past claims that the lower tropospheric data show no warming trend.
A new data classification scheme based on human perception is being incorporated into a hand-held chemical sensor system. This method, called VERI, can group real-world objects seen near each other by superimposing an invisible dumbbell shape, allowing for quick and accurate identifications.
The ROSAT Guest Observer Programme was terminated after eight years of successful operations due to irreversible damage to the High Resolution Imager (HRI) caused by an accident on September 20, 1998. The final observation campaign is planned for December, with a focus on observing important astrophysical objects.
Researchers have assembled 20 articles to study interactions at the Antarctic Continental Margin, presenting new techniques and expanding year-round measurements. The volume includes a bathymetric chart of the southern Weddell Sea, providing insights into longer-term cycles.
Researchers create neural network pattern recognition software to predict battery performance and life, providing faster and cheaper data for manufacturers. The software uses only minutes of laboratory test data and can be used to build better batteries.
Researchers use GPS satellites to monitor the movement of an entire continent and record the yearly growth of the Andes Mountains. The study shows that satellite data can help geologists calculate accumulating stresses along fault lines, promising improved earthquake hazard estimation.
Researchers from UD and Denmark confirmed Subramanyan Chandresekhar's theory on the structure of compact stars, including pulsars, black holes, and white dwarf stars. By analyzing distances to a dozen white dwarf stars using HIPPARCOS data, they verified the theory, which predicts the size of white dwarf stars based on their mass.
A NASA instrument package will measure atmospheric conditions on a record-breaking solo balloon flight around the world. The mission aims to simulate planetary missions and educate the public on Earth's lower atmosphere.
Astronomers, led by Professor Patterson, use digital cameras and computers to record binary star variations. This allows for continuous monitoring of stars across the globe, providing valuable data to aid in understanding celestial mechanics.
The BirdSource website enables citizens to share their bird-watching observations, creating a comprehensive database of North American bird distribution, migratory pathways, and population trends. This initiative leverages citizen-science data from programs like FeederWatch and the Christmas Bird Counts.
The USGS has released 30 years of Christmas Bird Count data, showing significant increases in eastern bluebirds, American crows, and American goldfinches, while declines are noted for bobwhites, loggerhead shrikes, field sparrows, and mockingbirds. The data provides valuable insights into bird population trends and patterns over time.