A new study found that people's mobility declined sharply in March and April but quickly recovered to pre-pandemic levels from April through June. However, during the second wave, there was very little change in mobility despite the pandemic becoming more severe.
Researchers warn that AI-manipulated satellite images can be a severe national security threat. A study by the University of Washington identified new ways to detect fake satellite photos and called for geographic fact-checking.
The number of rural students applying to medical school has decreased over the past 15 years, raising concerns about access to primary care providers in these areas. The study found that socioeconomic factors, such as limited educational opportunities and financial constraints, contribute to this trend.
Multi-ethnic neighborhoods in England have grown from 0.5% to over 4% of all neighborhoods between 1991 and 2011, while retaining high diversity and stability rates. This contrasts with racially diverse neighborhoods in the U.S., which are often transitional.
New research reveals that deforestation in the U.S. does not always cause planetary warming; instead, in some places, it actually cools the planet due to the albedo effect. The study found that forest loss east of the Mississippi River and in Pacific Coast states causes planetary warming.
Researchers introduce metacoupling, an integrated approach that considers local and global scales to tackle environmental crises. The framework allows scientists to view the world as it truly is, with human actions influencing nature across space and time.
A new study finds that people's willingness to share personal location information to reduce COVID-19 transmission is influenced by cultural context. Researchers found that South Koreans are more accepting of COVID-19 mitigation efforts involving data sharing due to their collectivist culture and lower privacy concerns.
In a study of local rivers, researchers discovered that litter provides the largest and most stable habitat for invertebrates, supporting diverse communities. The findings have important implications for river management, including clean-up events and introducing alternative habitats.
A new carbon budget framework has been developed by researchers led by Damon Matthews, providing a more comprehensive method of calculating the remaining carbon budget. The framework estimates that between 230 and 440 billion tonnes of CO2 can be emitted before meeting the Paris Agreement target of limiting global warming to 1.5°C.
Rutgers scientists found that bacteria cause sunlight-absorbing sediment to clump together and accumulate in meltwater streams on the Greenland ice sheet. This process can be incorporated into climate models for more accurate melting predictions.
A team of researchers analyzed 648 DFT1 tumors collected between 2003 and 2018, revealing that early on in the spread of the tumor, five clades emerged, with two dying out while three continued to spread. The study highlights the importance of geography in influencing the movements of devils and their disease.
The study found that cities in the South and Midwest had less decline in public transit demand due to essential workers who couldn't work from home. Key factors included occupation, with physical jobs leading to higher transit use among Hispanic communities.
Researchers developed a groundbreaking model that defines new geographical scales from mobile tracking data, bringing geography back to understanding of mobility. The model identifies typical distances and choices corresponding to geographical boundaries, varying by individual characteristics.
A study mapping forced migrant deaths reveals 12 spatial-temporal clusters, often near national borders or conflict zones. Deaths at sea top the list, accounting for over 5,800 fatalities, while U.S.-Mexico border crossings are also deadly, with over 1,400 deaths.
A new research project explores how counter-terrorism affects public perceptions and urban atmospheres in Europe's cities. It assesses the impact of terror threats on everyday life through a large-scale international survey and in-depth studies of five European cities.
A virtual reality forest created by geographers can let people walk through a simulated forest of today and see potential future scenarios. The researchers used data on a typical Wisconsin forest to create a more organic, natural feel, allowing visitors to experience the changes brought on by climate change.
Researchers found that calls about code violations, public health issues, and street lighting were the best indicators of opioid use in Columbus communities. The study suggests that data from 311 calls can be an effective opioid overdose surveillance indicator to direct outreach and resources to where they are needed.
A new study examines 12,000 years of sea-level rise and finds that changes in land area and human cultures happened at variable rates, out of step with the prevailing rate of sea-level rise. Researchers warn that future sea-level rise will not always be simple and that human responses will be equally localized.
Researchers at Princeton University developed a tool to uncover potential biases in visual data sets, such as stereotypical images and underrepresentation. The tool, REVISE, uses statistical methods to inspect data sets for object-based, gender-based, and geography-based biases.
A study by Tufts University researchers estimates that some but not all US metro areas could grow all the food they need locally, based on population, geography, and diet. The modeling study suggests that reducing animal products in the diet can increase the potential to produce sufficient food for a metro area.
A new study maps changes in homicide rates across Brazil from 2000 to 2014, showing success in major urban areas but an explosion of homicides in northeastern regions. The research highlights the need for policies addressing spatial spillover and poverty rates as violence appears to move to neighboring areas.
Researchers investigate dynamic water storage in the critical zone, exploring its role in forest ecology, rock chemistry, and water quality. The team aims to predict how climate change affects these interactions, ultimately improving our understanding of the complex relationships within Western ecosystems.
A new study published in Earth System Dynamics reveals that only a minority of the world's large aquifers are depleting, with most experiencing non-linear and irregular trends in groundwater storage. Extreme rainfall events play a crucial role in replenishing groundwater resources in dry environments.
The article reports on a research paper comparing onsite server setups and virtualized cloud setups for teaching GIS courses online. The authors share user feedback and discuss resource metrics needed to support student computing needs, highlighting the growing need for fast computers.
A machine learning study conducted at Princeton University found that the meaning of words is shaped by culture, history, and geography. The researchers analyzed over 1,000 words in 41 languages and discovered that many everyday words have varying meanings across cultures.
A study led by Virginia Tech researchers explores the effects of mobile phones on Maasai women's lives, revealing that technology both empowers and hinders gender dynamics. The findings highlight the importance of understanding context-specific empowerment in rural communities.
A recent study published in Papers in Applied Geography found that just a few negative online reviews can determine early on how many reviews a restaurant receives long-term. The study also discovered that restaurants with a smaller number of reviews had a higher likelihood of low ratings, while those with more reviews were more likely...
A study by Hong Kong Baptist University found that slow-moving tropical cyclones bring about 20% more rainfall, resulting in increased flood risks in the region. The research also identified a correlation between slower moving speeds and higher rainfall volumes.
Recent record-high water levels have caused significant impacts on Great Lakes state parks, including shoreline erosion and flooding. The study found that 50% of the surveyed parks were affected, with total damage costs ranging from $50,000 to extensive repairs.
Research highlights human activity and climate change as major stressors to river systems, compromising their resilience and vulnerability to extreme events. The study emphasizes the need for urgent governance at local and international levels to address these issues.
Studies found that migratory bird species shifted their breeding ranges northward, while resident species expanded their ranges in response to climate change. This suggests that some species may be resilient to future changes, but others may face greater vulnerability.
A new global mapping method provides accurate estimates of human mobility at a fine-grained resolution, capturing movements of 300 million mobile phone users. The study reveals patterns influenced by local geography, infrastructure, and income, with implications for disease propagation and disaster response.
A UCL study reveals that moths transport pollen from a wide range of plants, including those rarely visited by bees and butterflies, contributing to crop yields and plant diversity. Moth pollen transport networks are larger and more complex than daytime pollinators.
Experts advise governments to use segmented, age-, culture- and geography-specific messaging to curb Covid-19 infection spread. Clear, specific guidance and 'protect each other' principles are key to achieving desired outcomes.
The discovery of Adalatherium, a bizarre mammal from Madagascar, sheds light on the evolution of mammals during the time of dinosaurs. Its unique characteristics and preserved 3D structure offer valuable insights into the geography and fauna of the region.
Nathan Burtch is creating an open laboratory manual for quantitative methods courses in geography, addressing a long-standing need for resources. The manual will utilize statistics to solve real-world geographical problems and be available to instructors across Virginia and beyond.
Research highlights increased cardiovascular disease risk among people with HIV worldwide, particularly in sub-Saharan Africa. The study explores how geographic location and income level influence the distribution of cardiovascular risk factors, shedding light on potential differences between lower- and higher-income countries.
Researchers found that white men between 30 and 39 are most at risk of fatal overdoses, followed by black men ages 30 to 39. The study identified 12 clusters or hot zones across Ohio where opiate-related mortalities are highest.
A study found that childhood vaccine responses are shaped by geography, age, and anemia status. Children with anemia showed weaker immune responses to malaria vaccines in Tanzania and Mozambique.
The 2018 Four Corners drought in the US was exacerbated by human-induced warming, with temperatures rising 2 degrees Celsius. The region's vegetation turned brown due to increased evaporation, resulting in economic losses of over $3 billion and impacts on Native American communities.
Geographers at University of Cincinnati found a tipping point in deforestation where forests disappear quickly after being cut in half. The study used satellite images to analyze landscape changes across the globe and discovered that nature abhors mixed landscapes, favoring homogeneous blocks over time.
A recent study found that exposure to air pollutants from power plants varies significantly by race, income, and geography in the US. The researchers estimated that in 2014, approximately 16,700 premature deaths were caused by power plant emissions, with African Americans facing the highest mortality rates.
Researchers at the University of Arizona found that changes in rainfall patterns over the past 40 years have been insignificant in most places, with only some local areas showing significant changes. This suggests that scale matters and that climate change may not be the primary driver of migration from Central America.
Researchers Karen Culcasi and Cynthia Gorman examine how international laws formed after WWI contributed to today's hostile climate for refugees. They found that the creation of new countries, nationalism, and the establishment of international governance entities like the League of Nations shaped refugee law.
A new study challenges the long-held assumption that climate change will make the world wetter due to plant responses. Plants are expected to consume more water in the future, leading to less water availability for people in mid-latitudes.
The study found that the monsoon system's development was more sensitive to changes in geography than carbon dioxide levels. The monsoon peaked around five million years ago, with 'super-monsoons' stronger than today. Understanding its behavior is crucial for agriculture and industrial development of over 1.5 billion people.
A $1.6 million grant from NSF will study linkages between urban food security and rural agricultural production, focusing on small-sized urban areas in sub-Saharan Africa. The project aims to translate scientific knowledge into data for policymakers to mitigate food security challenges.
A new study by Concordia researchers finds that extreme heat days caused by CO2 emissions lead to lost labor productivity, with lower-income countries experiencing stronger economic impacts. The research estimates that every trillion tonnes of CO2 emitted could cause global GDP losses of about half a percent.
A recent study reveals that nearly half of routes analyzed exceeded an individual's annual mobility carbon budget, with direct routes generally producing lower emissions. The researchers suggest selecting nonstop routes whenever possible to mitigate carbon footprint.
A four-year study will examine the impacts of autonomous vehicles on the future workforce, focusing on how driving jobs will change and what new skills are required. Researchers will also investigate the anticipated downstream impacts on drivers' employment trends and income inequality.
A new statistical modeling tool uses features of a weed species and geography to predict high-risk areas where weeds are likely to spread first. Land management authorities can use the tool to identify at-risk areas that require careful monitoring, improving early detection and effective containment of invasive weeds.
A study published in the Annals of Family Medicine found that family physicians overestimated their patients' geographic footprint by 112% on average. Integrating geography into practice data and community-oriented approaches can improve patient health outcomes.
A new study found that rising temperatures due to climate change will increase the number of days with high concentrations of ozone in the Mid-Atlantic region, posing significant health risks. The study, led by Cristina Archer, analyzed nearly 50 years' worth of data and found that near-ground ozone levels can exacerbate respiratory co...
Researchers collected continuous time series of water temperatures near glaciers in Svalbard, revealing subsurface temperatures exert the greatest influence on mass loss. The study provides valuable data to improve numerical models estimating future sea level rise.
According to a study published in Nature Climate Change, most fishing communities from Maine to North Carolina will face declining fishing options unless they adapt to climate change. Communities like Portland, Maine, are at greatest risk of losing their current fishing options due to ocean warming.
The study reveals that self-driving cars will collect highly contextual data on passengers' habits, routines, movements, and preferences. This data can be monetized by companies to target customers through personalized advertising and marketing.
A UTSA political scientist analyzes the UN's Twitter feed to understand its potential as a diplomacy tool. The researcher found that tweets from the UN and its member states are often self-referential and lack substantial debate on global issues, resulting in limited engagement.
By 2060, rural Northeast counties will experience record-breaking heat for three weeks a year, with those in low-income areas most affected. The study finds that vulnerable counties will see a decline in population while the poor population grows, highlighting the need for heat adaptation strategies.
A new tool connects environmental impact of shipping industry to geography, economics and policy choices. Policies such as carbon tax, maintenance regulations and compact urban development could save up to 4,000 lives per year by reducing warming contributions.
A recent geography study by the University of Cincinnati found that hot temperatures are a better predictor of western wildfires than other factors. The researchers identified other risk factors, including vegetation cover and proximity to roads and population centers, which can increase the likelihood of wildfires.