Articles tagged with Geography
A comprehensive analysis of 383 US cities found common patterns of isolation and segregation, with wealthy suburban areas and poorer downtown zones often having limited interactions between residents. Researchers recommend zoning incentives and strategic development to encourage greater diversity and social mixing.
A new study estimates that the Amazon rainforest could lose up to 38% of its area by the end of the 21st century due to land use changes and climate change. The research, published in PNAS, suggests that abrupt transitions from dense forest coverage to savannah-like landscapes pose a significant risk to the ecosystem.
Five LMU researchers have been awarded Consolidator Grants by the European Research Council to tackle various research challenges. Professor Sophia Stoecklein's project CONNECT aims to develop a functional connectivity MRI tool for cancer diagnostics, while Professor Matthias Garschagen's GOALT project focuses on establishing a theoret...
Over half of global coastal settlements have retreated from the coast over the past 30 years in response to intensifying climate hazards. Coastal regions in Africa and Oceania lead the retreat, while poorer regions often expand shoreline settlements due to economic needs.
The study found that sand mining in the Mekong River is causing a decline in the reverse flow system that feeds water into Tonlé Sap Lake. The lake is home to 885 species and provides livelihoods for almost two million fishers, but its future is at risk due to the increased extraction rates.
A new report from the University of Liverpool highlights the uneven progress toward achieving UN SDG11, a goal to make cities more inclusive, safe, and sustainable. To meet this goal by 2030, planners must translate global awareness into local action.
Heat- and cold-related mortality burden in the US increased significantly between 2000 and 2020, with temperature extremes contributing to excess deaths. The study found that geographic location, cause of death, and demographic factors played a crucial role in differential vulnerability to temperature-related health risks.
Tulane researchers discovered that an area of the African tectonic plate, previously thought to be weak, is now resisting deformation due to dehydration 80 million years ago. This process strengthened the plate and made it more resistant to future breakup.
Research reveals heavy metal concentrations were higher than global averages, especially for Zinc, Chromium, and Nickel, posing ecological risks in the region's waters and sediments. Cadmium was found to be a significant contributor to sediment pollution, with an 'extremely high' potential ecological risk index.
A landmark study by Swansea University reveals the Hektoria Glacier lost nearly half its length in two months during 2023, a pace similar to the end of the last ice age. The rapid retreat was boosted by the shape of the land beneath it, leading scientists to identify vulnerable glaciers and prioritize their monitoring.
Researchers found that brain mechanisms for spatial attention differ when processing mental images from memory versus visuals on a screen. When recalling imagery, frontal areas are more active, suggesting distinct mechanisms for spatial attention in mental imaging.
Plant functional diversity varies greatly depending on seasonal cycles and wet-dry periods, according to a new study that analyzed 4,000 satellite images. The researchers used AI algorithms to derive plant traits from the images and calculated quantitative measures of functional diversity.
The study establishes the earliest occupation at Karnak as around 2520 BCE, coinciding with the Old Kingdom period. Researchers also found a link between the temple's location and an Ancient Egyptian creation myth, where the high ground on which Karnak was built may have been seen as a manifestation of the creator god Ra-Amun.
George Mason University's Ruixin Yang receives $15,000 funding from the International Food Policy Research Institute to develop a welfare and poverty mapping project utilizing satellite-derived data. The project will provide technical support to the spatial analytics team and strengthen geospatial research outputs.
The WMO report reveals that 2024 was marked by severe drought in the Amazon basin and Southern Africa, while Central Europe experienced excessive rainfall, leading to devastating floods. Glaciers globally lost 450 billion metric tons of ice, accelerating climate change impacts.
A study found that Lake Michigan shoreline armoring has increased fivefold in response to high-water levels, posing threats to coastal ecosystems. The increase in structures like seawalls and groins raises concerns about their long-term effects on the environment.
Researchers found that targeted snow monitoring at hotspots can improve water supply predictions in most basins, with typical gains of 11-14% compared to 4%. This approach is more cost-effective than basin-wide surveys and has potential for more accurate forecasts.
A new approach to urban delineation uses human behavioral patterns to determine urban areas and land use. The study analyzed Points of Interest data using Kernel Density Estimation and identified five hotspots of urban activity in Pekanbaru, revealing that traditional methods often obscure the true dynamics of urban life.
A new study reveals bacteria can survive inside dust particles transported through desert storms, carrying new genes that may affect human health. The research team identified a beneficial bacterium from the Bacillus subtilis family, which could enhance applications in agriculture, construction, and medicine.
A Norwegian University of Science and Technology expert analyzes national curricula for geography in upper secondary school, revealing shortcomings in teaching geographical thinking and place concepts. The study emphasizes the importance of connecting topics within nature and society, enabling students to analyze world situations and i...
A new study published in Science Advances predicts a significant increase in supercell thunderstorms across Europe, with the Alpine region and northern side of the Alps expected to see up to 50% more storms. The simulations show that temperature increases of 3 degrees Celsius will concentrate these storms in the region.
A new Finnish study reveals that nature experiences play a significant role in people's long-term well-being, particularly in boosting self-acceptance and purpose in life. The research found that younger and older participants alike valued the sense of connection with nature, which helped them tap into their own values and agency.
Researchers warn of declining access to safe and reliable water in the US, urging better tracking tools and policy reforms. A new tool, Household Water Insecurity Experiences (HWISE), measures water insecurity in over 1,000 households across the country.
A new study reveals that human influence has reduced global natural land carbon stocks by 24%, equivalent to 344 billion metric tons of carbon, mainly due to expanded pasture and croplands, as well as forest management.
A critical water source for the Northern Territory is experiencing significant losses since 2014, with groundwater levels reaching their lowest recorded storage level in 2021. The study, published in Ecological Informatics, uses satellite data to track groundwater depletion and highlights the need for improved water regulation.
The MISSION Act implementation led to significant decreases in travel times for eligible veterans seeking non-VA care. However, this shift was linked to a rise in major adverse cardiovascular events within 30 days of procedures like percutaneous coronary intervention and coronary artery bypass grafting.
Researchers discovered an 85m-deep crater and 90 million cubic metres of water flooded out of a subglacial lake, fracturing the ice above and creating a massive flood. The study highlights the need to better understand how often subglacial lakes drain and their impact on the surrounding ice sheet.
Researchers have found extensive, previously unmapped flat surfaces beneath a 3,500 km stretch of the East Antarctic coastline, which were formed by large rivers after East Antarctica and Australia broke apart. These surfaces may currently be regulating the rate of ice loss from the East Antarctic Ice Sheet.
A new tool helps understand original landscape functioning and supports current land use strategies by generating realistic drone footage of past landscapes. The study uses AI to create photorealistic depictions of the Great Hungarian Plain before water regulations.
A new framework identifies key causes of changes affecting river deltas, including climate change, sea level rise, and human activities. The framework provides a basis for prioritizing timely, locally grounded action to address the complex challenges facing these critical ecosystems.
A new study from ICTA-UAB reveals that urban growth can be unsustainable if not managed carefully, with environmental consequences including increased consumption and emissions. The research provides a comparative framework for understanding different approaches to urban growth, highlighting the need for evidence-based solutions.
A new online platform, SMRT-Flames, estimates the health impacts of wildfire smoke and provides fire managers with tools to assess potential smoke exposure. The app uses a Harvard-developed computer model to predict how fires would behave across regions and how smoke would pool and disperse.
A new study finds that environments suitable for palsa mires will disappear almost entirely from the northern permafrost region unless climate change is mitigated. The occurrence of palsas in the Northern Hemisphere is best explained by soil moisture and climatic factors.
Researchers developed a new deep learning framework to predict extreme water levels during hurricanes, enabling smarter decisions and potentially saving lives. The framework, LSTM-SAM, analyzes patterns from past storms to make accurate predictions in areas with limited data, using transfer learning techniques.
A PSU study found that fires can cause trees to die in subsequent years, affecting forest regeneration. The researchers mapped annual changes in live tree cover and found that older conifer trees and sensitive species were most likely to die later.
University of Missouri researchers create digital sentiment map using AI to analyze public Instagram posts, linking emotional tone to real-life features. The tool aims to improve city services, identify areas of concern, and inform emergency response decisions.
A new study suggests that limiting global temperature increase to 1.5°C may not be enough to save the world's ice sheets, which could lead to significant losses and extensive displacement of coastal populations. The researchers argue that a target of around 1°C would be more effective in preventing rapid sea level rise.
A team of scientists has studied the evolutionary history of the bacterial circadian clock, tracing its origins back to ancient cyanobacteria that emerged 3 billion years ago. They discovered that the oldest KaiC proteins lacked the necessary function for rhythmic qualities, but acquired it over time through molecular evolution.
The 'Isle of Fire' video series, developed by Time for Geography, provides a 50-year perspective on the 1973 Heimaey eruption and its impact on volcanic hazard management. The series features cutting-edge techniques in eruption reconstruction and forecasting, as well as modern management strategies.
A meta-analysis reveals significant racial and ethnic disparities in the reporting of race and ethnicity in clinical trials for pharmacotherapy of mental disorders. The study underscores the importance of equitable recruitment and reporting in clinical trials to ensure inclusive representation of diverse populations.
A Roman treasure hoard found in Thetford Forest indicates the town was a pagan cult centre until the 5th century. The hoard's diverse origins from across the Roman empire support this new chronology.
Researchers found that ancient Homo sapiens used tailored clothing and ochre-based sunscreens to protect themselves from harmful UV light during the Laschamps excursion. This period of reduced magnetic field strength allowed more cosmic radiation to reach Earth's surface, potentially contributing to the decline of Neanderthals.
The event brought together over 300 participants, including educators and students, to raise awareness about climate change and its effects. Participants engaged in DIY workshops and keynotes from experts in meteorology and education, highlighting the importance of cross-disciplinary cooperation and youth empowerment.
A study by Kyoto University researchers found that captive otters in Japan are coming from Thailand, highlighting the country's role in illegal trade. The discovery sheds light on the risks posed by otter demand and aims to protect vulnerable species.
The US opioid epidemic has shifted its epicenter from the Northwest to the East, with a significant increase in fentanyl-related deaths. The study found that populations affected by substance use disorder have changed over time, with Black communities now disproportionately affected.
A study by HKU professor Bo Huang's team reveals fundamental principles governing population dynamics across cities. The research demonstrates that population movements scale predictably with urban density and distance from central hubs.
Researchers mapped China's wetlands from 1980 to 2020, revealing a net loss of ~60.9 × 10^3 km^2 due to climate change and human impacts. Meanwhile, the study highlights the importance of sustainable management and conservation strategies to mitigate these losses.
A study published in Chronobiology International found that people who start work earlier express more discomfort with seasonal time changes. The researchers analyzed data from the European Commission's 2018 public consultation and discovered a correlation between the start of work activity and responses against daylight saving time.
Researchers studied Aurora Subglacial Basin's subglacial hydrology, finding dynamic rivers that change over time. This new insight may alter predictions of rising sea levels and the role of subglacial water in ice dynamics.
A new genomic analysis suggests that human language capacity emerged at least 135,000 years ago, with regional groups spreading across the globe around 100,000 years after that. The study, which examined 15 genetic studies, provides increasingly converging evidence about the timing of geographic splits among early human populations.
This cohort study found that geographic access to cancer care is associated with guideline-recommended treatment for early-stage non–small cell lung cancer. Socially marginalized patients benefited from improved treatment outcomes and prognosis when accessing care in their local area.
Researchers used discrete element numerical simulations to resolve debates about the Qiyueshan Fault's origin and its control over regional deformation patterns. The study found that pre-existing faults localize strain, dictating fault activation sequences and deformation propagation.
Researchers at West Virginia University found that babies born to teen mothers weigh less and are smaller for their gestational age. The study highlights the role of social, geographical, and educational factors in teen pregnancy prevention.
A comprehensive analysis of butterfly data in the US found that butterfly abundance fell by 22% between 2000 and 2020. The study, led by Eliza Grames at Binghamton University, examined data from over 12.6 million butterflies across the continental US.
A study of over 97 citizen scientists found that coastal areas have significantly more litter than inland locations, with urban areas consistently exhibiting more litter than rural areas. The research highlights the need for tailored waste management strategies to address regional differences in litter patterns.
A new study by University of Exeter researchers finds that Chinese contractors win significantly more contracts in authoritarian countries with similar economic profiles to China. In contrast, democratic countries with strong institutions limit business opportunities for Chinese firms.
Researchers from Cornell and Tel Aviv University developed ProtoSnap to copy cuneiform characters from photos of tablets. The approach allows for accurate reproduction of characters and whole tablets, making it easier for experts to analyze and compare ancient texts.
The research proposes a new framework for Geographic Intelligent Agents, integrating embodied intelligence and self-supervised learning. This framework enables GIS to achieve bidirectional interaction between physical and informational spaces, significantly enhancing its decision-making capabilities.
The low-altitude economy is emerging as a new engine for economic growth in China, with significant impacts on urban transportation, logistics, and environmental monitoring. Geographic information science and technology are vital for refined airspace resource utilization, drone operation, and regulatory oversight.
A study by the University of the Basque Country found that dam removal increased pebble mobilization in terms of number and distance. The researchers monitored 1,800 stones for seven years, revealing significant sediment transport increases along stretches under dam influence.