Articles tagged with Geography
A new study reveals that 69% of the alpine zones in the northern Appalachian region have experienced significant increases in vegetation, representing 88% of the alpine area. The acceleration of growth may be driven by the impact of wind, which causes alpine zones to start lower than they would elsewhere at this latitude.
A new study from Dartmouth College found that droughts in the Northeastern US have decreased due to increased precipitation, outpacing water loss from the surface. The research team analyzed changes in drought frequency, intensity, and duration from 1901 to 2022, comparing their results to the US Drought Monitor.
A recent study by 80 researchers from 16 countries identified significant gaps in knowledge about Antarctic ice thickness and bed topography, leading to inaccurate ice sheet models. The study emphasizes the importance of international coordination and comprehensive data collection to improve sea level projections.
Researchers discovered that prehistoric builders deliberately transported enormous 25-tonne stones from Brimham Rocks 18km away to build Britain's tallest stone row, the Devil's Arrows. The study challenges long-held assumptions about ancient monument construction and highlights the importance of landscape and shared belief systems.
Researchers at Heidelberg University have developed an open-access dataset to map and classify over 9 million kilometers of roads worldwide, capturing changes in road conditions over time. This dataset serves as an important indicator of socioeconomic development, particularly in data-scarce regions, and can be used for humanitarian ap...
A new study of 22 million property listings across 30 European countries reveals that nearly half of people on average income can only afford a one-bedroom apartment or studio flat. The study highlights the emerging crisis over affordable housing, particularly in densely populated areas such as towns and cities.
A UBC-led study finds that insects pose a more immediate threat to North American forests, with over 60% of areas projected to experience 30% more insect pressure by mid-century. Climate change and pests could jeopardize critical carbon sinks and air quality, costing billions of dollars in economic losses.
Human-driven fires have reshaped the Amazonian forest over the last 10,000 years, with a significant impact on vegetation and species composition. The research reveals that fires were almost exclusively human-driven, with a dramatic decline in fire frequency over the last 700 years.
Researchers have mapped Indonesia's seagrass ecosystems, identifying areas of high and low quality, and found that conservation efforts are needed for hotspots, coldspots, and areas with contrasting conditions. The study provides a spatially informed framework for prioritizing conservation and restoration efforts.
Researchers from the University of Hong Kong discovered that fine particulate pollution (PM2.5) weakens plants' ability to efficiently use water and absorb carbon dioxide. PM2.5 pollution reduces photosynthetically active radiation and carboxylation capacity, hindering plants' ability to thrive and capture carbon.
A study by HKU hydrogeologists identified microbial fermentation as the primary pathway for ammonium production in sediments beneath the Pearl River Delta, contributing to the region's exceptionally high natural groundwater ammonium levels. The research found that fermentation-related genes were most abundant across different sediment ...
Scientists propose a colossal cliff across ancient North America may have exposed Grand Canyon's oldest rocks nearly a billion years before it was carved by the Colorado River. The study suggests the 'great escarpment' of steep rocky cliffs formed when the supercontinent Rodinia broke apart 800 million years ago.
A PSU study finds that historically underinvested neighborhoods with lower median incomes and higher racial diversity are most vulnerable to multiple climate hazards. These areas, including East Portland, face the highest risk from landslides, wildfires, flooding, and extreme heat.
A pioneering study will examine the role of human-dog interactions in spreading hydatid disease, a parasite that poses risks to livestock welfare and human health. The research aims to identify practical strategies to reduce zoonotic transmission by analyzing canine movement patterns and diet.
A Virginia Tech team analyzed over 1,000 storm surge events to identify distinct patterns that depend on both storm characteristics and coastal geography. The findings could help engineers design infrastructure to withstand unique flood timelines and support better planning and decision making for coastal communities.
A new study has mapped landslide hazard zones across the US, revealing that 6.5 million Americans live in areas prone to landslides. The research highlights a significant urban-rural divide in disaster preparedness, with rural residents facing greater challenges in recovering from such events.
Pastoral communities in Tiaty, Kenya, are adapting to climate variability by changing livestock patterns, farming practices, and settlement arrangements. These adaptations suggest a selective conversion of land from dense shrubland to mixed areas, with a focus on drought-tolerant crops and climate-resilient livestock species.
A new study reveals widespread damage to Syria's archaeological sites due to looting and bulldozing, particularly in areas occupied by the Turkish military. The researchers used satellite imagery to analyze 200 sites across Syria, finding that 59% were affected since 2015.
A new study by Swansea University reveals upstream river management as the primary driver of the Mesopotamian Marshes' health, not local rainfall. The findings highlight the need for international cooperation to ensure sufficient water reaches the marshes during periods of drought.
A new study proposes a switching-based pervasive augmented reality framework that integrates location-based AR, deep learning, and context-awareness to improve landmark recognition. The framework significantly enhanced detection accuracy compared with conventional LBAR systems, while demonstrating high user satisfaction.
A new study by NTU Singapore reveals that major earthquakes can trigger decades-long land sinking in Southeast Asia, affecting relative sea-level projections. This phenomenon may underestimate coastal flood risks for low-lying regions if not accounted for in sea-level modeling.
A study reviews China's development in seismic risk management, tracing the field's progress from disaster response policies to catastrophe risk management and emergency management. The authors suggest strengthening engineering foundations while prioritizing system recovery and adaptation after earthquakes.
A new catalog centralizes publicly available soil moisture content datasets, streamlining data discovery and comparison. The UB-SMDC portal provides a unified platform for researchers to efficiently access and analyze global soil moisture data.
A magnitude 7.7 earthquake struck Myanmar, causing widespread damage and leaving communities to face years of recovery. Researchers mapped the fault behavior behind the event, finding a 500km surface rupture along the Sagaing Fault.
Researchers found that deformation across the region is dominated by crustal compression, with intense strain concentrated near Siberut Island and the Sumatran Fault Zone. The study provides critical information for updating seismic hazard assessments and long-term disaster planning.
A new process-based model predicts how biochar affects crop yields, soil carbon, and greenhouse gas emissions. The DLEM-Ag-Biochar model performed well against field observations, capturing patterns in agricultural systems across different environmental and management conditions.
A study by University of Kansas researchers found that landback returns of Indigenous lands are occurring rapidly across the country. The findings show that over 75 distinct tribal nations have received lands, with private landowners, nonprofits, and corporations being among the most frequent returners.
A recent study reveals that human-induced sea level rise has significantly increased the frequency of storm surge events, with a fourfold increase in historical 100-year events. This shift is largely attributed to rising sea levels, which now occur every eight years rather than once every century.
A recent study in the Journal of Nutrition Education & Behavior found that geographic differences account for most of the variation in the cost of the USDA's Thrifty Food Plan, with regions like the Northeast and major metropolitan areas like New York having higher costs. The study highlights the importance of considering regional pric...
Global wildfire activity in 2025 resulted in destructive and deadly fire events, with 335 million hectares burned globally - 16% below the long-term average. The fires accounted for 38% of all insured natural hazard losses, with Canada experiencing its third consecutive year of extreme fire activity.
A Virginia Tech study found that AI image generators consistently produce more realistic and recognizable images of larger metropolitan areas than smaller towns. The research raises questions about how generative artificial intelligence tools portray places and whose communities are most visible online.
The study systematically evaluates popular Uncertainty Quantification (UQ) methods and metrics for AI/ML-based geospatial applications. It demonstrates that Deep Ensembles and Bayesian Neural Networks achieved the best performance, while highlighting framework-specific differences between TensorFlow and PyTorch.
Researchers found two distinct growth patterns in river deltas, uniform and composite, which can help engineers estimate land build-up based on channel length. This insight will aid coastal restoration and flood protection efforts by directing limited resources to areas where they can make the most impact.
A study by Dartmouth researchers shows that annual rainfall is increasingly concentrated into bigger and wetter storms with longer dry periods in between. This means less water is available for land, soil can only absorb so much at once, and what's not soaked up evaporates more readily.
A new study reveals Antarctica's sea ice collapse is driven by a triple whammy of climate chaos, resulting in record-breaking lows. The Southern Ocean's transformation led to the loss of vast areas of ice equivalent to Greenland, destabilizing global ocean currents and accelerating global warming.
A new study introduces a free, open-source Web Crop Phenology Metrics Service (WCPMS) for analyzing large Earth observation satellite time series, enabling efficient crop monitoring. The tool calculates phenological metrics from data cubes and validates its effectiveness using soybean sowing dates in Brazil.
A new study published in The Innovation Medicine found that long-term exposure to air pollution significantly increases the risk of cardiovascular disease (CVD) in individuals with cardiovascular-kidney-metabolic (CKM) syndrome. Exposure to fine particulate matter and cooking fuel was linked to a higher risk of CVD.
The University of Michigan study reveals that Napata, an ancient city in Sudan, benefited from the Nile's relatively stable flow and deposits of clay and silt. This landscape feature reduced flood risk while maintaining access to water, allowing for successful settlement and cultural development.
A new study uses a process-based model to predict biochar's effectiveness in various agricultural systems worldwide. The research highlights that biochar can improve soil health and reduce greenhouse gas emissions, but its benefits vary depending on climate, soil conditions, and management practices.
A new study reveals that subsidence is a major driver of coastal flooding along Java Island, with rates of up to 15 centimeters per year. Groundwater withdrawal and agricultural water use are identified as key culprits, highlighting the need for active monitoring and mitigation.
A team of researchers used AI to analyze 289,513 global publications and isolated 4,177 highly relevant studies on China's major basins. The study highlights crucial milestones in Chinese hydrology and aims to guide future research priorities and sustainable water resource strategies worldwide.
The CA-MTransU-Net architecture achieves superior mIoU of 87.00% and faster inference speeds compared to benchmark algorithms, providing a scalable solution for post-fire damage assessment in cloud-prone landscapes.
Researchers found that trematode parasites are more abundant in cooler temperate waters, defying the typical pattern of higher biodiversity near the equator. Temperature and host mobility play a major role in shaping parasite distributions, with certain species thriving in areas where hosts can tolerate infections better.
Researchers developed an AI model to create highly photorealistic 3D reconstructions of ground-level damage after earthquakes. The LoRA-Enhanced Ground-view Generation diffusion model can recognize complex visual patterns and predict where structures may be damaged, even in densely populated urban areas.
Carbonsphere is an open-access, peer-reviewed journal dedicated to carbon science, technology, and policy. The journal aims to foster evidence, tools, and solutions for a just and sustainable net-zero future by linking natural sciences, social sciences, and humanities.
A $1 million Sloan Foundation grant will track and monitor data center development in Tennessee, Georgia, and Virginia, exploring its impact on rural communities. The research aims to understand how different policies and regulations shape data center development and its effects on communities.
A team of researchers has developed a novel method to track the Earth's greenness by calculating its centre of mass. They found that the 'green centre' oscillates between northernmost positions in mid-July and southernmost positions off the coast of Liberia in March, with a consistent northward shift across all seasons.
Scientists warn that synchronised extreme fire weather, characterized by warm and dry conditions, has increased worldwide since 1979, straining international firefighting cooperation. The number of high-risk days with simultaneous fires is more than doubling, making wildfires harder to tackle and increasing air quality issues.
Growing evidence shows water insecurity is an increasing challenge in the US and other high-income countries. Rural areas face unreliable access to safe and affordable water due to aging infrastructure, lack of maintenance, and extreme weather events.
A study analyzing news reports, social media posts, and internet search data during the 2022-2023 South Korea drought found that public views change depending on problem size and distance from people. Public interest, emotions, and behavior also shifted as the disaster scale changed.
Researchers found that many birds don't strictly follow their supposed temperature adaptations, instead moving to efficiently acquire and use energy. This 'energy efficiency' hypothesis suggests that altitudinal migration is a behavioral mechanism allowing birds to optimize their energy budgets in the face of seasonality and competition.
The Big Earth Data journal is launching a special issue to reflect on its decade-long impact and showcase cutting-edge advancements in big data research. The journal focuses on Earth-related big data, emerging as a flagship platform at the intersection of Earth science, space science, information science, and sustainability science.
A new study evaluates the accuracy of ten satellite-based and reanalysis precipitation datasets using in-situ rain gauge measurements across Czechia from 2001 to 2021. The GSMaP dataset showed superior performance for rainy days, while ERA5-Land overestimated annual precipitation by 15–35%.
Researchers discovered that a significant drop in calcium levels in the ocean led to a massive decrease in carbon dioxide, driving global cooling and ending the planet's greenhouse era. The study suggests that changes in seawater chemistry played a key role in shaping climate history.
Researchers recommend shifting Olympic and Paralympic Games to earlier dates to protect fairness and safety for athletes. Snowmaking is also seen as a crucial adaptation strategy to ensure the viability of snow sports.
A comprehensive study from Umeå University reveals that humid lowland forest ecosystems receive disproportionate attention, while colder and drier regions are severely underrepresented. This imbalance can lead to policy decisions based on incomplete or misleading science, affecting climate-vulnerable ecosystems.
A recent study found that nearly every major river delta is experiencing subsidence, with at least some portion sinking faster than the sea level in 18 of the 40 deltas examined. This phenomenon poses a significant threat to the lives of over 236 million people, particularly in regions such as the Mekong and Nile river systems.
New research reveals that land subsidence caused by humans is the main culprit behind delta sinking, posing increased flooding risk to 236 million people. The study identifies groundwater extraction as the dominant cause of subsidence, highlighting the need for urgent local interventions.
The study uses a numerical model to simulate encounters between Neanderthals and modern humans on the Iberian Peninsula. Climate fluctuations significantly influenced population dynamics, with mixing possible in certain regions. The research offers a broader explanatory framework for interpreting archaeological and genomic data.
A new study reveals that Southeast Asia is a significant source of climate-warming gases, with deforestation and fossil fuel use leading the way. The region's natural carbon sinks are being overwhelmed, making it challenging for countries to reach climate neutrality without urgent regional action.