Articles tagged with Climate Data
A study from Harvard University found that COVID-19 transmission tends to be lower in weeks following higher UV exposure, with a 7-percentage point decrease in growth rate on average across the Northern Hemisphere. This effect is modest compared to social distancing measures.
The Harvard Data Science Review special issue addresses the replication crisis in science, discussing reliability and robustness of research findings. The review emphasizes the need for data science skills to design sound replication studies, aiming for substantive understanding.
A new study by MIT researchers reveals that Arctic eddies are driven by ice friction and ocean stratification, leading to a seasonal shift in their activity. The findings suggest that as the Arctic loses summertime ice, waters will become more turbulent, with implications for climate change predictions.
A new permafrost thermal stability map for the Tibetan Plateau has been created with high accuracy, using a combination of ground observation data and remote sensing big data. The map divides the permafrost into five zones, providing critical information for engineering planning and water resource management in the region.
Researchers at Chalmers University of Technology have developed graphene-based heat pipes that can efficiently cool electronics and power systems. The new technology offers a significant energy efficiency contribution to data centres and other applications, reducing greenhouse gas emissions.
Berkeley Lab researchers have developed a machine learning model that can design structures with desired optical properties, speeding up the process by at least two to three orders of magnitude. The CUORE experiment has collected a record-breaking dataset for a 'neutrinoless' experiment, surpassing previous experiments by about 10 times.
A new study by Martin Luther University Halle-Wittenberg reveals that Bavarian groundwater has warmed considerably over the past few decades. The findings show that groundwater temperatures at depths of 20 metres are almost one degree warmer on average than in the 1990s, correlating with a 1.05 degrees Celsius rise in air temperature.
The Digital Atlas of Micronesia provides comprehensive geospatial data for Yap, Chuuk Lagoon, Pohnpei, and Kosrae. The interactive atlas features nearly 500 pre-designed maps and over 400 layers, making it a valuable resource for sustainable development, research, and education.
Researchers analyzed a massive dataset of seasonal events across the former Soviet Union and found that species' activities fail to keep up with their cues due to past evolution. Local adaptation patterns result in a massive imprint on nature's calendar, making geographic variation in seasonal timing more pronounced in spring and less ...
Researchers from Cornell University and NASA's Jet Propulsion Laboratory discovered evidence of massive floods in Gale Crater, suggesting conditions for microbial life. The flooding, likely caused by a meteoritic impact, deposited unique geological structures indicating flowing water and wind on Mars.
A 330-year-old poplar tree has been found to accumulate epigenetic marks that reveal its age, providing a natural epimutation accumulation system. The study's findings suggest that the rate of somatic epimutations is approximately 10,000 times higher than genetic mutations in the same tree.
Scientists found that sex-specific differences in variability depend on individual physical and physiological features in mice, debunking theories about male or female variability. The study suggests including both males and females in studies, with statistical adjustments necessary to account for variation in traits among sexes.
A US study found a decline in water usage for most crops and livestock production due to climate change and shifts in consumer demand. Water use decreased by 8.3% for irrigation, but increased for oilseed crops driven by international supply-chain linkages.
A new high-resolution map of US land value reveals underestimates in existing cost estimates, highlighting the need for higher funding levels for environmental goals. The tool provides policymakers with realistic expectations for conservation funding, enabling more informed decision-making.
A recent meta-analysis of 5,188 studies reveals that crop diversification enhances ecosystem services while maintaining or improving crop yields. This 'win-win' result has significant implications for agriculture and the environment.
A recent study from the University of California, Berkeley, reveals a dramatic 25% drop in regional carbon dioxide emissions after the San Francisco Bay Area implemented its first shelter-in-place mandate. The network of carbon dioxide sensors monitored by UC Berkeley scientists effectively tracked progress toward reduced emissions.
The University of Montana researchers contributed to a global data archive for studies of animal migration in the Arctic and sub-Arctic. The archive contains over 200 projects and movement data of more than 8,000 marine and terrestrial animals from 1991 to the present.
Researchers from Oak Ridge National Laboratory have made groundbreaking discoveries in climate science, providing unprecedented data to improve global environmental models. Additionally, scientists have uncovered a mechanism that disease-causing bacteria use to anchor their protective outer membranes, which could inform strategies to c...
A massive database tracking Arctic animal movements since 1991 reveals significant changes in behavior due to climate change. Golden eagles migrate sooner, caribou give birth earlier, and herbivores struggle to find food as temperatures rise.
A new ecological dataset, AAMA, combines decades-long animal tracking studies across the Arctic to understand rapid climate changes. The open-source archive identifies early signs of local or Arctic-wide changes in animal behavior and biology due to ongoing climate change.
Researchers used a large-scale data archive of animal movement studies to find surprising patterns and associations between climate change and the behavior of golden eagles, bears, caribou, moose, and wolves. The study demonstrates the feasibility and importance of studying animal ecology on extremely large scales.
The Arctic Animal Movement Archive provides a global dataset of animal migration patterns, revealing changes in behavior and ecosystem responses to climate change. Studies have found that golden eagles arrive earlier in spring following mild winters, while caribou herds are giving birth earlier in the north.
Researchers at Imperial College London have developed drones that can deploy sensor-containing darts onto trees and collect data on forest ecosystems. The drones can also perch on tree branches like birds to collect data themselves, acting as mobile sensors.
A new grant will enable scientists to deploy 500 robotic ocean-monitoring floats around the globe, collecting data on ocean chemistry and biology between the surface and 2,000 meters. The project aims to improve computer models of ocean fisheries and climate, and monitor the effects of ocean warming and acidification.
Researchers at Arizona State University have generated a global coral reef extent map using advanced AI, predicting the location of shallow reefs with nearly 90% accuracy. The map was created by analyzing thousands of satellite images and is now available through the Allen Coral Atlas.
A new study found that climate change is driving plant extinctions in the German Black Forest, with two species already extinct and many more declining. The researchers predict that 10 more specialist species will disappear by 2045 if conditions progress as expected.
A new study reveals ocean acidification is a present-day reality on the Great Barrier Reef, with CO2 levels rising 6% over 10 years. This accelerated trend confirms atmospheric CO2's influence on seawater CO2 levels, posing significant threats to coral growth and health.
Researchers are using a new technology to monitor the movement of thawing Arctic permafrost. A 1.5-kilometer fiber-optic cable will be turned into a long line of vibration sensors to collect seismic data and predict future behavior of the thawing permafrost.
The University of Miami is collaborating with Brazilian researchers to share large-scale datasets in real time, improving weather and climate models. This collaboration will test the high-speed FABRIC infrastructure's ability to support fast data exchange.
A novel method for measuring spatial dependencies uses mathematical techniques normally used for time-series analysis to identify influences between geographic phenomena in small data sets. The approach allows for robust inferences of influences and interpolations to intermediate areas or distant regions, even with limited data.
Scientists mapped the location and size of over 1.8 billion trees using powerful supercomputers and machine learning algorithms, discovering billions of trees in arid regions. The study provides vital information for researchers, policymakers, and conservationists, including accurate counts of trees and their carbon storage potential.
Researchers at Penn State used deep learning to clear up noise in radar satellite data, enabling near real-time observation of volcanic movements. The system can build an accurate picture of the land and its movements, spotting potential warning signs like sudden land shifts.
A recent study found that the COVID-19 pandemic led to a significant decrease in global carbon dioxide emissions, with a total drop of 1551 million tonnes. The pandemic resulted in a 16.9% decline in emissions in April, largely due to lockdown measures and reduced transportation sector activity.
A new data set provides high-resolution daily temperatures from around the globe to study human health impacts from heat waves, risks to agriculture, droughts, and food insecurity. The CHIRTS-daily dataset offers accurate estimates of air temperatures for 1983-2016, supporting efforts to monitor, understand, and mitigate climate hazards.
Researchers aim to improve weather and climate prediction by modeling atmospheric gravity waves using Loon LLC's internet-connected balloon data. The project will help scientists better understand the impact of these wave phenomena on jet streams, polar vortex, and extreme weather.
Researchers from TROPOS and Leipzig University contribute to the success of the largest Arctic expedition, collecting valuable climate data and conducting key atmospheric measurements. The team's findings suggest significant changes in the Arctic atmosphere, including increased smoke levels and signs of 'Pyrocene' effects.
Researchers found that repeated droughts generally increase a forest's detrimental effects, making trees more vulnerable to stress. Conifers are particularly affected due to their vascular systems, which sustain more damage in initial droughts and hinder recovery.
Pollinator monitoring schemes offer high-quality scientific data at a much lower cost than traditional research projects. The UK Pollinator Monitoring Scheme provides world-leading evidence to better understand the status of pollinators and inform conservation efforts.
A Siberian Federal University team analyzed international trade data to determine Russia's most competitive forest products. The regions in north-west Russia excel in paper and cellulose production, while Siberia and the Far East have significant advantages in raw wood and timber exports.
A new study found that heat exposure has a stronger effect on health in less developed cities of Brazil, resulting in higher hospitalization rates. The research highlights significant socioeconomic disparities in vulnerability to heat, particularly among children and adolescents.
Researchers at Woods Hole Oceanographic Institution have developed a machine learning-based framework to improve estimates of air-sea heat exchange in the Arctic Ocean. The project leverages remote sensing technologies and data from sensors, saildrone USVs, and satellites to validate satellite-based modeling of the Arctic region.
Researchers developed a new climate model to predict water needs, combining land use projections with future climate data. The model accurately projects hydrological response and identifies dominant pathways for water loss in the Southeast.
Oregon State University (OSU) will take over systems management of Ocean Observatories Initiative's cyberinfrastructure in September 2023. The team will handle data storage and delivery for the OOI, which consists of five instrumented observatories collecting over 800 instruments' data.
A new study published in the Journal of Crime and Justice found that undocumented immigration has no significant effect on violent crime, but a negative impact on property crime. This contradicts popular misconceptions about immigrants being a driver of crime rates.
The University of Wisconsin-Madison has officially confirmed the lowest recorded temperature in the Northern Hemisphere, a chilly -93.2 degrees Fahrenheit. This extreme reading was first detected in Greenland in 1991 and has been verified through rigorous review processes by the World Meteorological Organization.
Climate data from 122 years reveal a shift from precipitation scarcity to excess heat driving concurrent droughts and heatwaves. The findings suggest bolstering risk assessment frameworks for climate adaptation and mitigation efforts.
A new research initiative aims to predict and help rural communities adapt to climate change's impact on biodiversity. The project develops novel approaches for modeling, visualizing, and forecasting spatial and temporal data.
Researchers from Brazil and the US are collecting primary data on COVID-19 responses to create a repository for future studies. The project aims to analyze policy and politics in various countries, including social policies, political regimes, formal institutions, and state capacity.
Researchers are establishing a global volunteer network to track the abundance of dragonflies and damselflies, crucial indicators of environmental changes in freshwater biodiversity. The network aims to fill gaps in knowledge by collecting standardized data over 10-15 years from citizen scientists worldwide.
A new study by UCL researchers reveals that animals in tropical and Mediterranean areas are the most sensitive to climate change and land use pressures. The findings suggest that large declines in tropical biodiversity are likely to occur imminently due to agriculture expansions and temperature extremes.
Wildfires have ravaged western states, with over 3.1 million acres burned in California alone. Climate experts blame drought, heat, and strong winds for the disaster.
An international team publishes a global reference curve in Science, reconstructing the Earth's climate since the last great extinction 66 million years ago. The study provides a detailed understanding of past climate dynamics and recurring patterns, allowing for more accurate dating and correlation of climate events.
Researchers found that tree ring data significantly overestimated climate persistence in Central Europe. The corrected temperature series suggests that medieval climate fluctuations were less pronounced than thought, making the present human-made warming even more extraordinary.
A new paleoclimate record covering the last 66 million years has significantly improved our understanding of climate variability and predictability. The study confirms four distinct climate modes: hothouse, warmhouse, coolhouse, and icehouse.
The NOAA-NASA Suomi NPP satellite captured images of smoke obscuring the US landscape, indicating a significant area of deep red range suggesting hazardous aerosol concentrations. Aerosols from fires can affect climate, visibility, and human health, particularly respiratory and cardiovascular systems.
Regional differences in Russia's alcohol consumption patterns reveal a complex relationship between government measures and unlicensed alcohol sales. Studies have shown that regions with stricter policies exhibit reduced registered alcohol consumption, but unregistered alcohol remains a significant issue.
Global methane concentrations have risen due to increased anthropogenic emissions from the fossil fuel sector and agriculture. Key findings indicate a significant role of methane in climate change, with rapid emission reductions offering substantial benefits.
A study of 109 bird species across eastern North America over a 15-year period found that some birds are more resilient to climate change than others. The research, published in Global Change Biology, suggests that conservation efforts should target vulnerable species and locations predicted to experience extreme weather events.
The Greenland Ice Sheet experienced a new record loss of mass in 2019, with a total loss of 532 billion metric tons, more than the previous record year 2012. The study, published in Communications Earth & Environment, found that the ice sheet is now heading towards increasing mass losses.
Using local producer knowledge helps estimate groundwater use in modelling for mapping sustainable use of scarce resources. Farmers' land use, agricultural practices and water use are key factors in this approach.