Articles tagged with Climate Data
Researchers developed a flexible geostatistical model that captures both types of asymptotic dependence and accurately estimates extremal dependence type. The new model outperforms other typical models in terms of fit to the data and spatial prediction of extreme wind speeds.
Recent study identifies genetic themes of cold adaptation in Nganasan and Yakut populations, showing adaptation to high-fat animal diets. This led to higher basal metabolic rates and lower blood lipid levels in Siberians.
A grant-funded project has mapped soil erosion intensity across 2.5 million square kilometers of agricultural land in European Russia. Researchers found that ravine erosion is receding, likely due to reduced thawed flow and increased absorption by soil.
A new Concordia University study uses NASA data to predict Montreal's future climate, showing increased spatial variability and intensity of climate impacts. The research highlights the need for local design and management approaches to address climate change, rather than relying on one-size-fits-all solutions.
A new study predicts that rising ocean temperatures will exclude sardines from the Galápagos Islands' ecosystem, leading to a decline in Nazca booby populations. The bird's reproductive success has already been affected by the absence of sardines, which were replaced by flying fish over 30 years ago.
Scientists are searching for Edwards' pheasant, a critically endangered bird species endemic to central Vietnam. Researchers have identified two potential locations where the bird may still exist, using data compiled from known sightings and recordings dating back to the late 1800s.
A global analysis of rainfall and rivers reveals more intense flooding in cities and smaller catchments, coupled with a drier countryside. This is attributed to rising local temperatures causing more evaporation from moist soils, leading to reduced water flows in rural areas.
Researchers analyzed climatological and sorghum yield data from Kansas, finding that temperatures above 33°C result in declining yields. Moderate and high temperature increases of 2°C and 4°C led to significant yield losses, with an average reduction of 10% per 1°C from 1-5°C.
A new study suggests that drought recovery times will increase due to climate change, potentially leading to widespread tree deaths and ecosystem disruption. The factors contributing to this increase include temperature extremes, precipitation, and carbon dioxide concentrations.
A new study by scientists at Portland State University and the National Snow and Ice Data Center found that the effects of climate change on glaciers in the western Ross Sea coast of Antarctica have not yet been observed. The research team examined glacier activity along over 700 kilometers of coastline using historic maps and satellit...
Research by University of Montana postdoctoral fellow Shane Campbell-Staton found significant increases in cold tolerance at the species' southern limit. Gene expression in southern survivors shifted toward patterns characteristic of northern populations, revealing rapid phenotypic, regulatory and genomic shifts.
A new public database, Genomic Observatories Metadatabase (GeOMe), provides contextual information for genetic data, enabling researchers to track biodiversity across time and location. The database aids in comparing biodiversity worldwide and tracking its impact on the planet.
New research by Dick Startz suggests that achieving the global temperature goals laid out in the Paris Climate Agreement is unlikely, with a 95% chance of temperatures increasing by more than 2 degrees Celsius by 2100.
Researchers found that trend-based methods identified high-risk species with declining populations, while trait-based methods showed little pattern. The study highlights the importance of long-term monitoring and caution when using historical data for climate change risk assessments.
Satellite data can optimize fertilizer use, protect groundwater, and monitor agricultural areas more efficiently. The DEMMIN soil measurement and validation site is a key player in this initiative.
Researchers are studying two lesser-studied primate species in a temperate environment, using thermal imaging cameras and high-tech methods. Preliminary data show human-induced threats, such as temperature fluctuations, affecting the primates' health and conservation status.
Researchers from King Abdullah University of Science & Technology have modeled the impact of El Niño on rainfall in the Red Sea region. The study found that El Niño strengthens the Red Sea Convergence Zone (RSCZ), leading to increased rainfall and storms along the coast.
Researchers in Oklahoma compared measured soil moisture with the Keetch-Byram Drought index and found that high-quality soil moisture data consistently outperformed KBDI. Soil moisture conditions conducive to large wildfires were more narrowly defined, providing earlier warnings of extreme wildfire potential.
A major stormfront study reveals shifting storms bring unprecedented danger from climate change, damaging waterfront areas once thought safe. The study found 11.5 million cubic metres of sand eroded in just three days, equivalent to filling the Melbourne Cricket Ground seven times.
A new Stanford study reveals that as super-giant oilfields age, the energy required to operate them increases, leading to higher greenhouse gas emissions. The researchers developed a software tool to accurately calculate these emissions, finding that some oilfields see a doubling of emissions per barrel over a 25-year operating period.
A new web application provides historical climate data to farmers, allowing them to compare current year's conditions with past ten years. The app covers the Texas region and offers information on soil temperature, growing degree days, and precipitation.
The PAGES 2k Consortium has upgraded its global temperature database, adding nearly 200 new records and improving accuracy to track global warming. The updated database confirms that the Earth is warming at an unprecedented rate in recent geological history.
A new study from University of Arizona scientists has analyzed Greenland's past temperatures to better understand the island's vast ice sheet melting. The research found that current temperatures are warmer than the 1930s, with a long-term trend for ever-higher surface temperatures.
Scientists developed a method to compare climate model sensitivities with historical data, showing good agreement. Accounting for slow mode feedback, the temperature range of climate sensitivity from historical data is consistent with climate models, implying a higher sensitivity to carbon dioxide emissions.
A study led by Lindsey Rich demonstrates that camera traps are an effective method for collecting data on species populations. The research found that prey availability can determine carnivore distributions, while human development and influence also impact population sizes.
A new study by AAAS predicts climate change will have a devastating impact on certain US counties, with losses exceeding 20% of gross county product in some areas. Southern and midwestern populations are projected to suffer the largest economic damage due to increased cyclone intensification and sea level rise.
A new Rutgers University study projects that climate change will make the US poorer and more unequal, with severe costs for poor regions. The poorest counties could lose up to 20% of their income if warming proceeds unabated.
Researchers are developing a method to forecast volcanic eruptions by analyzing satellite measurements and ground deformation data. By applying data assimilation techniques, they aim to improve predictions of magma movement and pressure buildup beneath volcanoes.
A new global map offers detailed insights into certified forest areas, enabling policymakers and users to make informed decisions on sustainable resource use. The map combines country-level statistics with remote sensing products and crowdsourcing, providing a basis for a global pathway towards sustainability.
A recent joint statement highlights the critical lack of knowledge on the worldwide distribution of disease-causing organisms, including viruses, bacteria, and parasites. Macroecologists propose creating a data network to close these gaps and predict future outbreaks.
A new analysis of urban agriculture in the northeastern US found that it provides limited environmental benefits, with a 1.1-2.9% reduction in food-related carbon emissions. Minimizing meat and dairy purchases is recommended for consumers seeking to lower their footprint.
A 55-year series of Tibetan Plateau tree-ring data shows that the start of growing season advanced by 0.28 days/year, while end of growing season delayed by 0.33 days/year between 1960-2014. April-June and August-September minimum temperatures drive these changes.
A new study reveals that increasing temperatures are eroding the natural buffer against malaria transmission in Ethiopia's highlands. As temperatures rise above 18°C and 15°C, conditions become favorable for the disease to spread, posing a significant threat to the country's population.
The journal published two ultraviolet radiation datasets covering China, providing long-term measurements from 1961 to 2014. This move aims to promote translational applications for the general public by making atmospheric and physical oceanographic data traceable and citable.
Researchers developed an inexpensive acoustic listening system to monitor bees in flight, allowing farmers to track pollination and increase food production. The technology, published in PLOS ONE, could also engage global 'citizen scientists' in monitoring bee activity in their backyards.
A recent study finds that large areas of the Amazon forest are less susceptible to a tipping point into savannah, contrary to previous research. The key factor was controlling for seasonality and removing data points from human-influenced areas, revealing a more resilient ecosystem.
A new study found that warmer nights due to climate change can lead to increased instances of insufficient sleep, with the poor and elderly being most affected. The research shows that a single month of nightly temperatures averaging 1 degree Celsius higher than normal could result in 9 million more nights of insufficient sleep.
A Dartmouth-led study finds that the increase in extreme Northeast storms occurred as an abrupt shift in 1996, particularly in the spring and fall. The region experienced a 53% increase in extreme precipitation from 1996 to 2014, with tropical cyclones and nor'easters being key drivers.
The Ocean Health Index (OHI) researchers adopted collaborative research tools to enhance reproducibility and streamline workflow, making their methods more transparent and efficient. This new approach enables the team to produce better science in less time, sharing their story to encourage others to adopt similar practices.
Scientists discovered a sharp increase in moss growth on Antarctica's Antarctic Peninsula, indicating major changes in ecosystems. The study found clear evidence of 'changepoints' over the past half century, suggesting that plants and soils will alter substantially even with modest further warming.
Researchers warn that rising ocean temperatures and human impacts will lead to the decline of Yellow-eyed penguin populations on New Zealand's Otago Peninsula. Urgent coordinated conservation action is needed to build penguins' resilience against climate change.
A Hokkaido University researcher found a correlation between high tropical Pacific seawater temperatures and increased ice breakup in East Antarctica. The study suggests that warmer seawater triggers atmospheric waves, leading to large ice breakups at Syowa Station.
The melting of glacial ice contributes to sea-level rise, displacing millions of people, while glaciers also serve as a source of fresh water. However, researchers like Twila Moon warn that glaciers are shrinking at an alarming rate, with devastating consequences for the planet's weather and climate systems.
Researchers found transmission of dengue, chikungunya and Zika is highest at around 84 degrees Fahrenheit, a temperature previously considered peak-transmission. Climate change causes temperatures to climb, potentially impacting more northern regions.
PortHadoop reader enables seamless data transfer between Hadoop and parallel file systems, accelerating big data analytics. The NSF-funded Chameleon cloud testbed facilitates the development of PortHadoop reader for NASA Cloud library applications.
The CARAFE airborne campaign will gather data on greenhouse gas levels and vertical wind speeds over a range of vegetation types in the Mid-Atlantic region. This will help improve computer models that predict Earth's carbon sinks and inform greenhouse gas policy decisions.
A new high-quality barley genome sequence has been created, allowing for detailed analysis of agronomically important gene families. This breakthrough could significantly accelerate the development of new varieties resistant to pathogens and climate fluctuations.
Global weather events, particularly droughts, significantly impact wheat prices, research suggests. Trade policies, including hoarding and export bans, can exacerbate these effects.
A new study reveals that species' geographic ranges are systematically overestimated by the International Union for Conservation of Nature (IUCN), leading to an underestimation of extinction risk. The research provides a formula to estimate more accurate species ranges, suggesting that at least 10 out of 18 bird species should have the...
The next generation TimeTree web combines molecular sequencing data with geological timelines and environmental information. Users can now explore the history of life on Earth in detail, tracing species evolution through time and comparing divergence times between species.
A study by Penn State economists found that a combination of college graduates and high-quality-of-life amenities significantly contributes to economic growth. Rural counties, which often struggle with growth, may particularly benefit from this approach.
Researchers found that forests cool the surface in temperate and tropical regions but warm high-latitude areas through mechanisms like water and heat transfer, evapotranspiration, and convection. This new insight highlights the importance of forest conservation in mitigating climate change.
A recent study suggests that human-made climate change is likely influencing giant planetary waves, which can transport heat and moisture around the globe. These waves can stall, causing droughts or floods. The research found that warming caused by greenhouse-gases from fossil fuels creates favorable conditions for such events.
A new study by the University of New Hampshire shows that warmer winters with less snow result in a longer lag time between spring events, leading to a more protracted vernal window. This may have ecological, social, and economic consequences, including impacts on agriculture, fisheries, and outdoor recreation.
Physicists developed a simple mathematical model to predict turbulent flows and verified it physically in a lab. They identified exact coherent structures (ECSs) that provide entry points for computing predictions about future turbulence behavior.
Climate scientist Michael Rawlins will study the impacts of climate change on coastal lagoons and rivers in northern Alaska. The five-year project aims to understand changes in carbon and nutrient content and their effects on ecosystem dynamics.
Researchers found that Republicans are less likely to conform to the scientific consensus on global warming when temperatures are extreme, while Democrats are more likely to attribute it to human activity. Temperature anomalies exacerbate existing political polarization and partisan differences over global warming beliefs.
Researchers warn that rising temperatures in US deserts will put songbirds at greater risk of dehydration and mass die-offs. The study found that smaller species are particularly susceptible to lethal dehydration, with the lesser goldfinch facing a 25-day-per-year risk by the end of the century.
Scientists call for transparent and credible data to track the real mitigation potential of forests. Forests are expected to contribute up to 25% of global greenhouse gas emissions reductions by 2030.
A new set of maps shows that spring is arriving ahead of schedule across the US, with areas such as California, Kansas, and Ohio seeing early blooms. The study highlights the challenges posed by earlier springs for planning and managing issues affecting the economy and society.