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New study uncovers the dynamics of extreme climate events in Guangdong using satellite data

Researchers successfully mapped intricate patterns of extreme drought and wetness in Guangdong, China employing a novel approach integrating Global Navigation Satellite System (GNSS) data with precipitation records. The study revealed a clear seasonal pattern in precipitation efficiency, with fluctuations between 10 to 25% annually.

Chapman University’s environmental scientist, Dr. Joshua Fisher contributes to milestone study on OpenET’s precision in monitoring water use

A new study co-authored by Dr. Joshua Fisher assesses the accuracy of OpenET, an advanced satellite-based system for monitoring water use by crops and ecosystems. The study demonstrates high accuracy in assessing evapotranspiration in agricultural settings, especially in arid regions like California and the Southwest.

SourceChapman University·JournalNature Water·TypeExperimental study·DateJan 17, 2024

Stalagmites as climate archive

By combining stalagmite analysis with tree-ring records, researchers have gained new insights into short-term climate fluctuations over centuries. The study reveals regional as well as global environmental events, including the Little Ice Age and the 'Year Without a Summer', providing valuable information on long-term climate patterns.

SourceHeidelberg University·JournalEarth and Planetary Science Letters·DateJan 17, 2024

A new, rigorous assessment of OpenET accuracy for supporting satellite-based water management

A new study provides a comprehensive assessment of OpenET accuracy for various crops and natural land cover types, with high accuracy found for agricultural settings. OpenET data has an average error rate of approximately 10-20% for annual crops, making it useful for water management in arid regions like California and the Southwest.

SourceDesert Research Institute·JournalNature Water·DateJan 16, 2024

Climate change threatens global forest carbon sequestration, study finds

A new analysis reveals a pronounced regional imbalance in forest productivity, with the Western U.S. experiencing a notable slowdown and the Eastern U.S. seeing slightly accelerated growth. This study highlights the urgent need for reduced global greenhouse gas emissions to restore the global carbon balance.

SourceUniversity of Florida·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateJan 15, 2024

Navigating climate challenges: UVA engineers and environmental scientists aid Virginia’s eastern shore

A team of UVA civil and environmental engineers and environmental scientists have developed a web-based decision-support tool, called the Climate Equity Atlas, to help residents deal with the challenges caused by climate change. The tool combines historical environmental data and socioeconomic data to create a sophisticated predictive ...

Beef farming that keeps cattle on lifelong grass diets may have higher carbon footprint

A recent study found that beef operations with lifelong grass-based diets may produce a 42% higher carbon footprint when considering soil carbon sequestration and carbon opportunity costs. This is in contrast to grain-finished operations, which have been previously shown to have a lower environmental impact. The study's findings emphas...

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateDec 13, 2023

Study overturns conventional wisdom about wild turkey nesting survival

A new study has overturned conventional wisdom on wild turkey nesting survival, revealing that precipitation levels during nesting season are not related to reproductive success. The researchers found that temperatures above historical averages were associated with higher rates of daily nest survival during incubation.

SourceNorth Carolina State University·JournalJournal of Wildlife Management·TypeObservational study·DateDec 13, 2023

How mountains affect El Niño-induced winter precipitation

A new study reveals that mountains amplify and obstruct winter precipitation during El Niño events, with increased rainfall on the western side of mountains. This analysis enables more accurate water predictions for the Colorado River in western North America, helping cities, farmers, and water managers prepare for droughts.

SourceOhio State University·JournalNature Water·TypeData/statistical analysis·DateDec 4, 2023

Fossil CO2 emissions at record high in 2023

Fossil CO2 emissions from global carbon budgets have reached a record high in 2023, with global warming exceeding 1.5°C target becoming increasingly likely within seven years. The study projects that total global CO2 emissions will be 40.9 billion tonnes, far from the reductions needed to meet climate targets.

SourceUniversity of Exeter·JournalEarth System Science Data·DateDec 4, 2023

Wind of (climate) change

Researchers discovered that rising temperatures trigger katabatic winds in Himalayan glaciers, cooling the air and preserving surrounding ecosystems. The team used climate models to demonstrate this phenomenon across the Himalayan range, suggesting that some glaciers may have a chance to 'save' themselves by reacting to global warming.

SourceInstitute of Science and Technology Austria·JournalNature Geoscience·TypeObservational study·DateDec 4, 2023

“Not dead yet” - Oxford experts identify interventions that could rescue 1.5°C

A new paper from climate economists at the University of Oxford identifies sensitive intervention points that could unlock significant progress towards the Paris Agreement with the least risk and highest impact. These include critical tipping points in renewable energy, networks of powerful political figures, and windows of opportunity...

SourceUniversity of Oxford·JournalOxford Review of Economic Policy·TypeData/statistical analysis·DateNov 22, 2023

How mega-floods can be predicted

A new research project uses data from over 8,000 gauging stations across Europe to predict mega-floods, reducing the surprise factor of their occurrence. By considering hydrologically similar areas, flood disasters can be anticipated and mitigated, saving lives.

SourceVienna University of Technology·JournalNature Geoscience·TypeMeta-analysis·DateNov 10, 2023

For 20,000 years, polar bears have been retreating due to rising sea temperatures

A new study reveals that polar bear populations have been declining over the past 20,000 years due to rising sea temperatures, with a 20-40% reduction in population size. The researchers found that even small changes in sea temperature have a significant impact on polar bears.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalScience Advances·TypeData/statistical analysis·DateNov 8, 2023

Energy transition: A super-model to guide policy makers

A UNIGE team has developed a super-model to simulate the spread of three green technologies in Swiss municipalities by 2050. The results show that Switzerland is unlikely to achieve zero net carbon emissions by 2050 without significant policy changes, highlighting the need for increased efforts and updated policies.

SourceUniversité de Genève·JournalPNAS Nexus·TypeNews article·DateNov 6, 2023

New study sheds light on Adélie penguins' reliance on declining sea ice during molt

Researchers have discovered a potential bottleneck in Adélie penguins' annual cycle, which could be exacerbated as the climate continues to change. The study found that seasonal Antarctic sea ice plays a crucial role in the penguins' molting periods, with low sea ice concentration signaling extended gaps in post-breeding diving activity.

SourcePoint Blue Conservation Science·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateNov 6, 2023

Video technology could transform how scientists monitor changes in species evolution and development

Researchers have made a breakthrough in studying species evolution by using robotic video microscopes and computer vision to measure embryo characteristics. The study found huge changes in an embryo's observable traits before and after developmental events, suggesting that measuring timings of development is just the tip of the iceberg.

SourceUniversity of Plymouth·JournalFrontiers in Physiology·TypeObservational study·DateNov 6, 2023

Seismology records growing rumble of climate change

A new study by Colorado State University reveals that seismic signals show a growing intensity in ocean waves since the late 20th century, attributed to global warming. The research indicates that storms are becoming more intense and wave energy is increasing globally, posing a serious threat to coastal ecosystems and infrastructure.

SourceColorado State University·JournalNature Communications·TypeData/statistical analysis·DateNov 1, 2023

Amazon deforestation linked to long distance climate warming

A new study by researchers at the University of Leeds found that Amazon deforestation causes land surfaces up to 100km away to get warmer. The study analyzed satellite data from 2001 to 2020 and found that regions with more local and regional deforestation warmed by an average of 4.4°C.

SourceUniversity of Leeds·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateOct 30, 2023

New study finds hidden trees across Europe: A billion tons of biomass is overlooked today

A new AI-driven mapping study from the University of Copenhagen has discovered a billion tons of hidden biomass in Europe, including trees outside forested areas. The research found that countries like Denmark, Netherlands, and UK have significant tree cover outside forests, which can impact biodiversity and climate models.

Scientists discover deepest known evidence of coral reef bleaching

Researchers from the University of Plymouth discovered coral reef bleaching at depths previously thought to be resilient, highlighting the vulnerability of mesophotic coral ecosystems to thermal stress. The study suggests that climate change is causing a deepening of the thermocline, leading to increased bleaching in the deeper ocean.

SourceUniversity of Plymouth·JournalNature Communications·TypeObservational study·DateOct 19, 2023

How to build greener data centers? Scientists say crank up the heat

Scientists propose new temperature guidelines for data centers that may help reduce energy consumption and save money. Researchers found that raising the temperature to around 41°C could lead to significant savings, with some areas able to rely entirely on free-cooling, reducing energy costs by up to 56%.

SourceCell Press·JournalCell Reports Physical Science·TypeComputational simulation/modeling·DateOct 18, 2023

Climate network analysis helps pinpoint regions at higher risk of extreme weather

Researchers developed a climate network analysis method to explore teleconnections, which describe how climate events in one part affect others worldwide. The study found areas like southeastern Australia and South Africa are significantly affected by these interconnected events, with stronger connections over time.

SourceAmerican Institute of Physics·JournalChaos An Interdisciplinary Journal of Nonlinear Science·DateOct 17, 2023