Articles tagged with Lakes
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Researchers calculated global potential for low-carbon floating solar arrays on nearly 68,000 lakes and reservoirs worldwide. The study found that five nations could meet their entire electricity needs from FPV, including Papua New Guinea, Ethiopia, and Rwanda.
A new study by Virginia Tech researchers reveals that agricultural demand for water is significantly higher than cities, with crops used for feeding cattle being the largest consumers. The researchers also found that reservoir levels are dropping due to overuse and climate change, highlighting the need for efficient water use strategies.
Climate change projections suggest that land-locked lakes on the Tibetan Plateau will increase in volume fourfold by 2100, leading to significant land loss and related impacts. This could alter the landscape, affect wildlife migration routes, and exacerbate climate change through increased greenhouse gas emissions.
A recent study published in Communications: Earth & Environment found that wildfires covered 70% of California during the largest fire seasons on record. The study measured the impact of wildfire smoke on lakes and found changes in temperature, light, and oxygen levels, affecting lake productivity and health.
Researchers found that young African fish raised in cloudy water developed larger eye structures than those raised in clear water. As the fish age, they lose this ability to adapt. The study also showed that older fish have bigger brains and optic lobes, suggesting different sensory demands at various stages of life.
Researchers found that PFAS are introduced into the Great Lakes through precipitation and accumulate at different rates in each lake. The northern lakes are accumulating PFAS, while Lake Ontario is eliminating them. This study could inform future actions to mitigate PFAS presence in the Great Lakes.
A new study by the University of Plymouth found that saturated soils in upland regions could negatively impact the survival rates of young oak saplings and acorns. The research highlights the importance of considering soil conditions when creating temperate rainforests to combat climate change.
Climate change threatens freshwater habitats, disrupting microbial communities essential for nutrient cycling and water quality maintenance. Many abundant freshwater bacteria with small genomes experience extended periods of adaptive standstill, limiting their ability to adapt to changing environmental conditions.
A new landscape evolution model suggests that the first humans in Australia migrated rapidly across the continent following riverine corridors and coastlines. The study identifies areas of archaeological significance and provides insights into the impact of climate-driven geography on human dispersal.
A study highlights the urgent need for coordinated action to address issues impacting nearly 21 million lakes worldwide. Lakes face various ailments, including thermal, circulatory, and metabolic challenges, posing risks to millions of people reliant on their services.
A new study establishes official climate divisions in Hawaii, improving climate research and forecasting. Chronic pain sufferers who spend time outdoors experience stronger weather-based effects, while lightning-initiated wildfires are responsible for more than half the acres burned in the contiguous United States.
A study published in Nature reveals that oxidative dearomatization is the key mechanism behind this transformation, resulting in millions of diverse molecules with stable structures. This process allows the organic matter to persist for long periods, preventing it from rapidly returning to the atmosphere.
Researchers at Linköping University discovered a specific reaction called oxidative dearomatisation that transforms biomolecules into millions of diverse molecules, making organic matter resistant to degradation. This process explains the substantial organic carbon sinks on our planet, reducing atmospheric carbon dioxide levels.
The Aral Sea's disappearance has led to a significant increase in dust emissions, affecting air quality in Tajikistan and Turkmenistan. The study found that the dust can accelerate water crisis and exacerbate melting of glaciers.
The new centers aim to better understand the interplay between environmental science, climate change, and human health in oceans and Great Lakes. Researchers will study microplastics, algal blooms, and their impact on seafood safety and human health.
Despite rising temperatures in the region, Yellowstone Lake's ice cover has not changed over the past century, according to new research. Increased snowfall has acted as a buffer against warmer weather, delaying ice break-up and protecting the lake's unique ice phenology.
Rising water levels in East Africa's soda lakes are reducing the main food source for lesser flamingos, leading to declining populations. The birds may be pushed into new unprotected areas in search of food, threatening their survival.
A new water quality analysis technique can detect organic chemicals in rivers and lakes, identifying their source and predicting their impact. This method uses high-resolution mass spectrometry to analyze water samples within an hour, providing a comprehensive overview of all organic molecules present.
Zooplankton biomass and behavioral patterns have been altered by human-driven changes in water temperature and food webs. The study found that warming temperatures and invasive species modify the timing of certain events in their life cycles.
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.
Virginia Tech researchers have received a five-year National Science Foundation grant to develop an open-source automated forecasting system for lakes. The system will enable real-time data collection and publishing, allowing researchers to predict water quality in lakes around the globe.
Researchers found that microbial viruses carry special genetic elements for controlling methane processes, called auxiliary metabolic genes (AMGs). The study suggests that viral contributions to methane cycling are underestimated and deserve more attention.
A study reveals that nitrogen plays a crucial role in phytoplankton growth in shallow lakes worldwide, contradicting traditional limnological consensus. The research team analyzed data from 159 lakes and found that 60% exhibit dual-nutrient limitation, where both phosphorus and nitrogen affect phytoplankton growth.
A new study reveals that walleye are struggling to survive in warming waters of the Midwestern United States and Canada. Climate change is disrupting the historical pairing of ice-off and walleye spawning, which threatens the persistence of walleye populations across the Upper Midwest.
A study published in Global Change Biology found that low deep-water oxygen concentrations lead to increased algae growth and further oxygen declines. This positive feedback cycle can result in frequent algal blooms, disrupting lake ecosystems and human health.
A study reveals that annual carbon emissions from Qingzang Plateau lakes have declined, with some shifting from carbon sources to sinks between 1970-2000 and 2000-2020. This finding has implications for global warming and climate change estimates relative to China.
Dust storms enhance phytoplankton tolerance to thermal and pH changes, facilitating algae growth in mountain lakes. This experimental study highlights the impact of atmospheric dust on aquatic ecosystems.
Researchers examined lake partial carbon dioxide pressure variability to improve global estimation accuracy. They found significant seasonal fluctuations and trophic state effects on CO2 emissions, leading to variable emissions across lakes with different characteristics.
Researchers confirm ancient lake sediments at Jezero crater on Mars using radar imaging, revealing eons of environmental changes and potential signs of past life. The discovery supports the search for evidence of life in Perseverance rover's soil and rock samples.
Scientists have found a shallow soda lake in western Canada that meets the conditions required for life to emerge, including high levels of dissolved phosphate. This discovery provides new support for the idea that life could have emerged from lakes on early Earth, around 4 billion years ago.
Researchers from Kumamoto University found that freshwater phytoplankton in Lake Baikal produce DMSP abundantly, which acts as an osmolyte and protects the phytoplankton against osmotic pressure. The study reveals a cryoprotective role of DMSP for the survival of planktons in freshwater ice.
A new study by Cornell University found that only 5% of Adirondack lakes can maintain cold and oxygenated water, making it unlivable for trout and other cold-water species. Climate warming and lake browning have severe consequences for temperate lakes in the region.
A Washington State University study found that living near nature can reduce serious psychological distress and improve general health in older adults. Researchers analyzed data from over 42,000 people aged 65 and older, finding a strong association between access to green spaces and better mental and physical health outcomes.
Researchers have found that Titan's 'magic islands' are likely formed by floating chunks of porous, frozen organic solids, explaining their ephemeral nature. The discovery sheds light on the fate of simple organics on Titan's surface and provides insights into the moon's unique environment.
The UMass Amherst team created a multiscale ecological framework to assess and respond to ecological threats in the Lake Yojoa watershed. The framework focuses on local perception of threats, consequences, and solutions, providing a valuable baseline for conservation and governmental organizations.
Rotifers, microscopic zooplankton found in ocean and freshwater, break down microplastics into nanoplastics. This process creates massive amounts of nanoparticles, posing unknown risks to the environment and human health.
Researchers used sediment DNA to reconstruct a 100-year history of biodiversity, chemical pollution, and climate change levels in a Danish lake. The study found that pollutants like insecticides and increased temperatures had devastating effects on biodiversity, while suggesting some recovery over the last 20 years.
A recent study investigating the thermal response of temperate lakes to atmospheric warming found that local climate, land cover, geomorphology, and water transparency play significant roles in shaping lake responses. Clear, cold, and deep lakes are more responsive to warming, while those with nutrient pollution exhibit lower sensitivity.
A new study finds climate change is increasing the likelihood of toxic blue-green algae blooms in US lakes, which can damage human livers and kill wild and domestic animals. Researchers used EPA data from 2,804 lakes collected between 2007 and 2017 to predict toxin spikes.
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.
Researchers found that genetic recycling enabled the emergence and adaptation of 500 cichlid species in Lake Victoria over just 16,000 years. The study identified unique ancient genes and hybridisation as key drivers of this unprecedented biodiversity explosion.
Researchers detected genetic diversity and population structure of invasive round goby fish using environmental DNA (eDNA) sampling. This technique helps trace the source of new invasive populations and prevent further invasion, enabling natural resource managers to take targeted action.
Research finds that water movement between lakes can transport environmental DNA, making eDNA a promising tool for tracking aquatic species and monitoring biodiversity. The study highlights the importance of considering landscape connectivity when designing eDNA surveys to ensure accurate biodiversity assessments.
Researchers study microhabitats in Lake Tisza and find that diverse macrovegetation supports unique microhabitat diversity for benthic diatoms. Water management planning is crucial for maintaining biodiversity in multipurpose lakes.
Researchers found 27 million cubic meters of sediment moved through Houston waterways, equivalent to 40% of the Mississippi River's annual discharge. The study suggests river straightening can exacerbate sediment bypass, decreasing reservoir holding capacities by up to 1.6%
Researchers from FAU will examine the effects of smoke-related air pollution on social isolation, cognitive function and risk of Alzheimer's disease in rural residents along Lake Okeechobee. The five-year study aims to promote early awareness of the disease and earlier modification of associated risk factors.
Researchers have developed a new method to remove harmful algal blooms by coating a floating sponge in charcoal-like powder. The technique successfully destroyed over 85% of algal cells, including toxin-producing cyanobacteria, without generating unwanted products.
University of Wyoming researchers found that trout in Wind River Mountains lakes have adapted to their environment, showing rapid evolution. The study reveals a change in gill rakers, likely related to food sources, and highlights the importance of eco-evolutionary interactions.
A new study suggests that with careful management, road salt concentrations in US lakes may stabilize below EPA-set thresholds to protect aquatic life. Reducing road salt application rates could yield additional environmental and economic benefits without threatening road safety.
Researchers have developed a new method to estimate river flow rates on Mars and Titan, utilizing satellite observations and mathematical equations. The technique allows for predictions of river flow times, sediment size, and potential support for life, shedding light on these celestial bodies' geological pasts.
A recent study from the University of Helsinki found that fish mercury concentrations are highest in winter and near spring spawning, but lowest in autumn after the growing season. This seasonal pattern is linked to changes in fish metabolism and food availability during colder months.
A new study found that the 2022 snow season had the highest snowpack dust concentrations of any year since observations began in 2009, accelerating snowmelt by 17 days. The dry lakebed of the Great Salt Lake contributed the highest dust emissions per surface area, threatening Utah's water supply.
A Cornell University-led study found that small and shallow ponds emit significant amounts of methane and carbon dioxide, with variability increasing as pond size decreases. The research provides valuable insights into calibrating climate models and informs strategies for mitigating greenhouse gas emissions from inland waterbodies.
Researchers at Duke University have identified a climate feedback loop that could accelerate climate change. Monitoring mixotrophs, tiny organisms with dual metabolism modes, may allow us to anticipate the tipping point before it gets there. However, nutrient pollution poses a challenge to detecting early warning signals.
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.
Researchers at Concordia University have developed a system of floating geotextile filters that efficiently remove suspended solids, algae, and nutrients from shallow lakes. The study shows promising results in lake water remediation, with the potential to scale up and benefit larger bodies of water.
Researchers at UToledo developed a new model to estimate the abundance of rare species like invasive grass carp in freshwater ecosystems. The model helps guide management strategies and provides insight into the effectiveness of control efforts.
A study published in Nature Communications found no evidence for two alternative stable states in shallow lakes, contradicting the accepted theory. The research team recommends reducing nutrient inputs to ensure ecological equilibrium.
A groundbreaking study found that creating shallow water zones enhances fish populations, while coarse wood bundles have positive effects in selected lakes. The approach has stronger long-term effects than narrow species-focused conservation actions.
Researchers argue that polders are an important part of China's water heritage, reflecting the country's long history of water management. Over 2,500 years, polders have evolved in response to changing societal needs, adapting to agricultural modernisation and urban encroachment.