A review of current research on Australia's non-perennial rivers highlights the need for a new type of research attention due to emerging threats from climate change and human impacts. The study emphasizes the importance of addressing knowledge gaps to preserve and protect these vital waterways.
Climate change causes melting of ice sheet, resulting in loss of about 5,000 meteorites per year. Researchers call for urgent action to preserve the scientific value of meteorites and reduce greenhouse gas emissions.
The UK's 2022 drought, the worst since 1976, emphasized the importance of early mitigation measures due to its rapid onset and extensive impacts on water resources, wildlife, and people. Improved monitoring and forecasting systems can help prevent similar extreme weather events in the future.
A UK feasibility study suggests that a carbon credit scheme could support private investment in saltmarsh restoration, providing vital habitat for wildlife and addressing the climate crisis. The introduction of a Saltmarsh Code would pave the way for projects with public financing to contribute to restoration efforts.
The Integrating Finance & Biodiversity for a Nature Positive programme aims to build knowledge, tools, and collaboration to support sustainable investments. By incorporating biodiversity impact into financial decision-making, the programme seeks to reduce the global economy's damage and improve sustainability.
Climate change is causing rapid warming of Scotland's lochs, with potential costs of £16.5 million annually due to algal blooms and reduced water quality. Implementing efficient land management practices could reduce phosphorus pollution by 20% under a best-case scenario.
The rapid assessment of the Kakhovka Dam breach has estimated that half a million hectares of protected habitats have been exposed to hazards, including nutrients and pollutants. The study will support international action to restore a biodiversity hotspot in southern Ukraine.
Developed using Landsat imagery and Spectral Mixture Analysis, the NDWFI method improves water detection accuracy, particularly for small and transient bodies. This advancement enhances water resource management and conservation efforts worldwide.
Suprina Shrestha, a UT Arlington graduate student, has been awarded the Marie Sklodowska-Curie Fellowship from the International Atomic Energy Agency. The fellowship aims to support women in studying nuclear-related subjects and will provide financial assistance for her research in isotope hydrology.
Scientists create detailed models of the terrestrial water cycle using high-resolution satellite data to predict floods, droughts, and other extreme events. The Digital Twin Earth Hydrology Platform allows for interactive simulations and visualizations to enhance flood and landslide prediction and optimize water resource management.
Scientists at UKCEH developed a robust method to detect and measure toxic chemical 6PPD in river sediments, which has been linked to salmon and trout deaths. The method uses gas chromatography mass-spectrometry techniques to accurately quantify 6PPD concentrations.
A new study found that potassium deficiency is a significant threat to global food security, affecting 20% of agricultural soils worldwide. The researchers recommend six policies and practices to mitigate the issue, including better management of soil potassium and intergovernmental coordination.
The UK Centre for Multimodal Correlative Microscopy and Spectroscopy (CoreMiS) will enable researchers to analyze environmental samples with unprecedented detail. CoreMiS has already been used to study ancient artifacts, detect pollutants in drinking water, and investigate antimicrobial resistance.
Scientists at the UK Centre for Ecology & Hydrology have produced a comprehensive map of England's hedgerows, revealing over 390,000 km of field boundaries marked by these critical habitats. The new data will guide future habitat restoration efforts and support biodiversity conservation.
Researchers analyzed settlement patterns on the Ordos Plateau from Neolithic to present, finding they clustered in southern and eastern areas less affected by deserts. Settlement sizes varied with fractal characteristics indicating agglomerated pattern, influenced by natural factors and human activities.
Researchers urge shift towards more sustainable forestry practices and policy to manage global growing flood risk. A probabilistic approach can better understand the effects of deforestation on floods, considering multiple factors like climate change, land use, and logging.
Most Earth System Models lack accurate representation of permafrost dynamics, a crucial factor in future climate projections. Funding constraints and limited resources are preventing model development from capturing the full scope of complex permafrost processes.
An international team of scientists found evidence of ancient heavy metal pollution in Antarctic ice cores from early Andean cultures and Spanish Colonial mining dating back to the 13th century. The study, published in Science of the Total Environment, reveals significant lead and other toxic metals were released into the atmosphere as...
A recent study published in Applied Spectroscopy reveals that Lake Tahoe's lakebed is contaminated with high amounts of plastic and other litter. The researchers collected 673 pieces of plastic from just a small fraction of the lake, including food containers, bottles, and toys. This data can help scientists better understand the sourc...
The eLTER PLUS project offers access to 43 long-term research sites in 19 European Countries through the Access Scheme. Researchers can visit sites for in-person visits (TA) or have protocols performed by local staff (RA). The call provides financial support and a set of predefined research questions within thematic categories.
A new study reveals that humans have driven the extinction of 1,430 bird species, with many becoming extinct before written records. The research suggests that major human-driven extinctions occurred in the 14th century and ninth century BC, with ongoing threats including climate change and invasive species.
Researchers found that most US watersheds are too small and lack sufficient sediment to sustain tidal wetlands as sea levels rise. Scientists now recommend allowing wetlands to migrate upslope or restoring natural hydrology to preserve low-lying land, alongside other engineering approaches.
A research team employed deep learning techniques to scrutinize dam operation patterns, achieving remarkable accuracy in forecasting dam water levels. The study demonstrates the potential of an artificial intelligence model trained on extensive big data to surpass conventional physical models.
Reduced water flows and rising atmospheric temperatures will warm rivers during droughts, posing challenges for aquatic life and ecosystems. Intense solar radiation and lower water flows accelerate warming, but certain management interventions can help offset high thermal extremes.
Researchers found that adding a social cost to carbon emissions leads to a significant reduction in fertilizer runoff, resulting in improved water quality and a decrease in the Gulf of Mexico's dead zone. The study suggests that implementing a carbon price can help meet the US commitment to the Paris Accord while improving water quality.
Researchers have developed a new method to measure the duration and severity of hydrological droughts in streams and rivers, which can persist for up to 3.5 years after drought conditions end. The study found that baseflow droughts are strongly tied to groundwater levels and can impact water management and ecosystem services.
A new isotope database has been created to provide a baseline for hydrological, ecological, archeological and paleoclimate studies in Mexico. The database includes 608 monthly rain samples from 21 monitoring stations across the country.
A UK study found a 66% increase in freshwater invertebrates across England's rivers, with sensitive species like mayflies recovering most strongly. The improvement coincides with declines in pollutants and suggests effective water quality management.
Researchers at SLU discovered high concentrations of microplastics in Cliff Cave's water and sediment, with highest levels near the entrance and in sediment. Flooding increases microplastic transport through the cave system, depositing debris in higher abundances near the mouth.
A novel method of analyzing Mars' gravitational force confirms the presence of an extensive northern ocean, providing new insights into the planet's history. The approach differs from traditional methods and can be applied to various disciplines such as geology and hydrology.
Researchers at the University of Melbourne have developed a new simulation model that can predict flooding during an ongoing disaster more quickly and accurately. The Low-Fidelity, Spatial Analysis and Gaussian Process Learning (LSG) model can produce predictions as accurate as advanced models but at speeds 1000 times faster.
A new study found that ozone substantially changes floral odour plumes, reducing honeybees' ability to recognise odours by up to 90%. This degradation affects pollinators' crucial role in the natural environment, with implications for food security and biodiversity.
The University of Miami Rosenstiel School has upgraded its Barbados Atmospheric Chemistry Observatory to collect more accurate data on Saharan dust particles affecting the Caribbean region. The observatory now includes state-of-the-art instruments to study dust's impact on clouds, climate and air quality.
The Colorado River Basin has lost approximately 40 trillion liters of water between 2000 and 2021 due to climate change, equivalent to the entire storage capacity of Lake Mead. The rapid reduction in runoff is largely responsible for this water loss, with warming temperatures leading to a 10.3% decrease in flow rates.
A research team used space geodetic observations to study seasonal and intra-seasonal signal variations in the Earth's surface loads, finding subsidence and uplift in regions of positive and negative mass anomalies. The results indicate that space geodesy offers an effective method for studying surface loads and crustal movements.
Researchers evaluate three drought indices (SPEI, SZI, scPDSI) in the core zone of westerlies-dominated climatic regime. scPDSI is found to be more effective in reproducing drought events and monitoring arid regions due to its sensitivity to potential evapotranspiration changes.
Scientists will use AI-powered monitoring stations to track species populations and assess the effectiveness of agri-environment schemes in improving biodiversity. The study aims to demonstrate how different farming systems and practices affect species populations, providing crucial evidence for sustainable land management policies.
A study led by Dr. Dawen Yang finds that thawing permafrost on the Tibetan Plateau provides a considerable but unsustainable water supply, threatening regional water security. The research suggests that ground ice meltwater contributes significantly to river runoff, particularly in sub-regions with dense populations.
Rapid agricultural expansion in South American plains has led to increased flooding, as shallow groundwater tables and declining evapotranspiration reduce hydrological stability. The findings suggest that the conversion of native vegetation to crops contributes to these changes.
Researchers use artificial intelligence to predict where and why landslides occur, pinpointing key variables contributing to the earth's slip. Their new method improves accuracy and interpretability, making it more valuable for protecting lives and property.
Researchers at Lancaster University demonstrate the viability of tidal power as a predictable renewable energy source. The creation of a tidal barrage could operate for 120 years or more to meet future demand and storage problems, protecting coastal areas from flooding and sea level rise.
The UK is investing £11 million to improve forecast accuracy for extreme weather events like storms, floods and droughts. Scientists are focusing on atmospheric turbulence to create more detailed models.
A team of researchers from Syracuse University and Texas A&M University applied a machine learning model to explore the sources of salinization and alkalinization in U.S. watersheds. The study found that human activities, such as road salt application, were major contributors to salinity, while natural processes dominated alkalinity.
Scientists at the UK Centre for Ecology & Hydrology are trialling crushed rock dust to remove large amounts of carbon dioxide from the atmosphere. The Enhanced Rock Weathering project has the potential to boost crop yield while reducing greenhouse gas emissions.
A University of Leicester-led study suggests that ancient lakes existed in South Africa's interior during the last Ice Age, supporting hunter-gatherer communities. The research provides new insights into human migration patterns and ecosystem sensitivity to global climate change.
Research by DRI researchers found that increased winter temperatures are driving more extreme variations in stream flow across the US. This is impacting floods, droughts, and ecosystems. The study examines over 500 watersheds and finds that snow-dominated watersheds are receiving more precipitation as rain than historically.
A study reveals that climate change will lead to increased flood risks globally, with 1.86 billion people living in areas prone to extreme flooding. The research team developed a new approach to create high-resolution future flood hazard maps using climate change simulations and compared the results with historical maps.
Research finds that flash droughts are becoming more frequent due to human-caused climate change, posing a major challenge for climate adaptation. The transition to flash droughts is predicted to accelerate in a warmer future, with irreversible impacts on ecosystems.
A pioneering study finds that flood risks in the UK can be kept below a 5% increase by 2050 if all countries meet their carbon emission pledges. The research reveals dramatic regional variations in flood hazards, with areas like South East England and London facing significant increases in damage.
A world-first model highlights favourable routes for Neanderthals and modern humans to expand eastwards into Asia during humid periods. The research identifies two pathways, one through the Alborz and Kopet Dagh Mountains and another along the Zagros Mountains towards Pakistan and Afghanistan.
Climate change is disrupting Pakistan's natural system, making it challenging to predict future changes. A recent study found that streamflow timing in the country's four major rivers will decrease significantly, with a range of -5 to -20 days in the near future.
The war in Ukraine may trigger a new global land race, threatening rural livelihoods and the environment. Large-scale land acquisitions could exacerbate conditions of water scarcity and land degradation, prompting concerns about policy implications and long-lasting effects on rural development.
Researchers used a high-performance computer simulation to study the impact of soil subsidence on permafrost thawing in the Arctic tundra. They found that uneven land subsidence leads to a drier landscape, which limits the process's acceleration through the end of the century.
A new study by the University of Exeter found that a small red-eyed damselfly from Europe has established itself in the UK without harming native species. Most native dragonflies and damselflies were either found more often or unchanged in areas colonized by the newcomer.
A recent UK study found that participating in nature-based 'citizen science' projects improves both participants' well-being and their connection to nature. The research involved 500 volunteers who completed a range of activities, including wildlife recording, and showed increased scores in wellbeing and pro-nature behaviour.
New analyses suggest that climate change alters global precipitation and evaporation patterns, leading to increased sensitivity in river water availability. This study revises forecasting models by incorporating local measurement data from over 9,500 catchments worldwide.
A new study shows that midwinter dry spells accelerate snowmelt in burned areas, as wildfires increase sun exposure and reduce the snowpack's ability to reflect sunlight. This can lead to earlier snowmelt, affecting water availability and forecasting, with cascading impacts on hydrology.
A new study predicts which invasive non-native species could pose a future threat to the UK's Overseas Territories, with Gibraltar and Saint Helena most at risk. The list includes species such as green mussels, little fire ants, and brown rats that could outcompete native species and alter unique ecosystems.
A study by University of Reading ecologists suggests that social and economic factors drive the decline of large carnivore species, with habitat loss being less significant. The researchers propose a sustainable model of development to protect carnivores, but note that this may come at the cost of locking people into poverty.
A new study found that protected natural areas of the UK are failing to stop declines in insects and spiders, despite being richer in species. The results suggest that while these areas conserve valuable habitats, they need more assistance to tackle wider threats posed by climate change, pollution, and invasive species.